diff --git a/.github/workflows/postman.yml b/.github/workflows/postman.yml
index 24e38fe88..aaa9d9f5f 100644
--- a/.github/workflows/postman.yml
+++ b/.github/workflows/postman.yml
@@ -33,4 +33,8 @@ jobs:
       # published image, not the branch under review. The workflow checks this
       # repository out at the commit under test and swaps it into the container.
       overlay-package: fleetbase/fleetops-api
+      # This coordinated PR adds the Trailer lifecycle to fleetbase/postman#58.
+      # Exercise that immutable collection revision during PR review; once merged,
+      # normal main-branch runs continue following the Postman main branch.
+      postman-ref: ${{ github.event_name == 'pull_request' && '0590548fefea68dd873b04f67d3f598c401d3af7' || 'main' }}
     secrets: inherit
diff --git a/addon/components/cell/attached-vehicle.hbs b/addon/components/cell/attached-vehicle.hbs
index 6ad15e212..a79290f88 100644
--- a/addon/components/cell/attached-vehicle.hbs
+++ b/addon/components/cell/attached-vehicle.hbs
@@ -4,7 +4,7 @@
     {{else}}
         <div class="flex items-center gap-2 py-1 text-xs text-gray-400 dark:text-gray-500">
             <FaIcon @icon="link-slash" />
-            <span>Unattached</span>
+            <span>{{t "trailer.attachment.detached"}}</span>
         </div>
     {{/if}}
 </div>
diff --git a/addon/components/cell/attached-vehicle.js b/addon/components/cell/attached-vehicle.js
index 42c1645a8..b34175b44 100644
--- a/addon/components/cell/attached-vehicle.js
+++ b/addon/components/cell/attached-vehicle.js
@@ -31,13 +31,13 @@ export default class CellAttachedVehicleComponent extends Component {
     }
 
     get hasVehicle() {
-        return Boolean(this.device?.attachable_uuid && this.isVehicleAttachment);
+        return Boolean(this.device?.attachable_uuid && this.isSupportedAttachment);
     }
 
-    get isVehicleAttachment() {
+    get isSupportedAttachment() {
         const attachableType = `${this.device?.attachable_type ?? ''}`.toLowerCase();
 
-        return !attachableType || attachableType.includes('vehicle');
+        return !attachableType || attachableType.includes('vehicle') || attachableType.includes('trailer');
     }
 
     @action onClick(_vehicle, event) {
diff --git a/addon/components/cell/translated-value.hbs b/addon/components/cell/translated-value.hbs
new file mode 100644
index 000000000..86e8aff09
--- /dev/null
+++ b/addon/components/cell/translated-value.hbs
@@ -0,0 +1,9 @@
+{{#if this.label}}
+    {{#if this.isBadge}}
+        <Badge @status={{this.value}} @text={{this.label}} @icon={{this.icon}} @hideStatusDot={{unless this.icon false true}} ...attributes />
+    {{else}}
+        <span class={{@column.className}} ...attributes>{{this.label}}</span>
+    {{/if}}
+{{else}}
+    <span class="text-gray-400 dark:text-gray-500" ...attributes>{{this.emptyText}}</span>
+{{/if}}
diff --git a/addon/components/cell/translated-value.js b/addon/components/cell/translated-value.js
new file mode 100644
index 000000000..ccb38d798
--- /dev/null
+++ b/addon/components/cell/translated-value.js
@@ -0,0 +1,57 @@
+import Component from '@glimmer/component';
+import { inject as service } from '@ember/service';
+import { get } from '@ember/object';
+
+/**
+ * Table cell that renders a stable enum value (`dry_van`, `never_connected`, ...)
+ * through its localized label. Configure the column with:
+ *
+ *   translationPrefix: 'trailer.types'   // required, joined with the raw value
+ *   badge: true                          // optional, render as a status badge
+ *   badgeIconPath / badgeIcons           // optional badge icon per value
+ */
+export default class CellTranslatedValueComponent extends Component {
+    @service intl;
+
+    get value() {
+        const row = this.args.row;
+        const valuePath = this.args.column?.valuePath;
+
+        if (this.args.value !== undefined && this.args.value !== null) {
+            return this.args.value;
+        }
+
+        return valuePath ? get(row, valuePath) : null;
+    }
+
+    get label() {
+        const value = this.value;
+        const prefix = this.args.column?.translationPrefix;
+
+        if (value === null || value === undefined || value === '') {
+            return null;
+        }
+
+        if (!prefix) {
+            return String(value);
+        }
+
+        const key = `${prefix}.${value}`;
+
+        return this.intl.exists(key) ? this.intl.t(key) : String(value);
+    }
+
+    get isBadge() {
+        return Boolean(this.args.column?.badge);
+    }
+
+    get icon() {
+        const icons = this.args.column?.badgeIcons;
+
+        return icons && this.value ? icons[this.value] : undefined;
+    }
+
+    get emptyText() {
+        return this.args.column?.emptyText ?? '-';
+    }
+}
diff --git a/addon/components/device/manager.hbs b/addon/components/device/manager.hbs
index 3b734a4f3..cae375766 100644
--- a/addon/components/device/manager.hbs
+++ b/addon/components/device/manager.hbs
@@ -10,7 +10,7 @@
             <div class="flex flex-row justify-between px-3 py-4 border-t border-gray-200 dark:border-gray-700">
                 <Device::Pill @device={{device}} />
                 <div>
-                    <Button @type="danger" @icon="times" @text={{t "device.actions.detach-from-vehicle"}} @size="xs" @onClick={{fn this.removeDevice device}} />
+                    <Button @type="danger" @icon="times" @text={{t "device.attachment.detach"}} @size="xs" @onClick={{fn this.removeDevice device}} />
                 </div>
             </div>
         {{else}}
diff --git a/addon/components/device/manager.js b/addon/components/device/manager.js
index a82f0f329..be0146f1d 100644
--- a/addon/components/device/manager.js
+++ b/addon/components/device/manager.js
@@ -5,6 +5,8 @@ import { inject as service } from '@ember/service';
 import { debug } from '@ember/debug';
 import { task } from 'ember-concurrency';
 import getModelName from '@fleetbase/ember-core/utils/get-model-name';
+import { pluralize } from 'ember-inflector';
+import { dasherize } from '@ember/string';
 
 export default class DeviceManagerComponent extends Component {
     @service store;
@@ -28,6 +30,21 @@ export default class DeviceManagerComponent extends Component {
         );
     }
 
+    /**
+     * The internal attach/detach endpoints are namespaced by the attachable resource
+     * (`vehicles/{id}/attach-device`, `trailers/{id}/attach-device`). Derive the prefix
+     * from the resource's model name unless an explicit `@endpoint` is given.
+     */
+    get endpoint() {
+        if (this.args.endpoint) {
+            return this.args.endpoint;
+        }
+
+        const modelName = getModelName(this.args.resource);
+
+        return modelName ? dasherize(pluralize(modelName)) : 'vehicles';
+    }
+
     constructor() {
         super(...arguments);
         this.loadDevices.perform();
@@ -45,7 +62,7 @@ export default class DeviceManagerComponent extends Component {
                 modal.startLoading();
 
                 try {
-                    await this.fetch.post(`vehicles/${this.args.resource.id}/attach-device`, { device: selectedDevice.id });
+                    await this.fetch.post(`${this.endpoint}/${this.args.resource.id}/attach-device`, { device: selectedDevice.id });
                     await this.loadDevices.perform();
                     this.notifications.success(this.intl.t('device.prompts.attach-device-success'));
                     modal.done();
@@ -67,7 +84,7 @@ export default class DeviceManagerComponent extends Component {
                 modal.startLoading();
 
                 try {
-                    await this.fetch.post(`vehicles/${this.args.resource.id}/detach-device`, { device: device.id });
+                    await this.fetch.post(`${this.endpoint}/${this.args.resource.id}/detach-device`, { device: device.id });
                     await this.loadDevices.perform();
                     this.notifications.success(this.intl.t('device.prompts.detach-from-resource-success', { deviceName, resourceName: this.resourceName }));
                     modal.done();
diff --git a/addon/components/device/panel-tabs/vehicle.hbs b/addon/components/device/panel-tabs/vehicle.hbs
index 292b514a8..b591cdf5d 100644
--- a/addon/components/device/panel-tabs/vehicle.hbs
+++ b/addon/components/device/panel-tabs/vehicle.hbs
@@ -1,21 +1,21 @@
 <div class="flex flex-col gap-3 p-3" ...attributes>
     <div class="flex items-start justify-between gap-3">
         <div class="min-w-0">
-            <h2 class="text-base font-bold text-gray-900 dark:text-gray-100">Vehicle Attachment</h2>
-            <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-300">Fleet context for telemetry from this device.</p>
+            <h2 class="text-base font-bold text-gray-900 dark:text-gray-100">{{t "device.attachment.title"}}</h2>
+            <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-300">{{t "device.attachment.description"}}</p>
         </div>
         <div class="flex flex-wrap items-center justify-end gap-2">
             {{#if this.hasVehicle}}
                 {{#if this.canOpenVehicle}}
-                    <Button @icon="eye" @text="Open Vehicle" @size="xs" @onClick={{this.openVehicle}} />
+                    <Button @icon="eye" @text={{t "device.attachment.open"}} @size="xs" @onClick={{this.openVehicle}} />
                 {{/if}}
                 {{#if this.canLocateVehicle}}
-                    <Button @icon="location-dot" @text="Locate" @size="xs" @onClick={{this.locateVehicle}} />
+                    <Button @icon="location-dot" @text={{t "device.attachment.locate"}} @size="xs" @onClick={{this.locateVehicle}} />
                 {{/if}}
-                <Button @icon="shuffle" @text="Change Vehicle" @size="xs" @onClick={{this.attachToVehicle}} />
-                <Button @icon="unlink" @text="Detach" @size="xs" @type="danger" @onClick={{this.detachFromVehicle}} />
+                <Button @icon="shuffle" @text={{t "device.attachment.change"}} @size="xs" @onClick={{this.attachToVehicle}} />
+                <Button @icon="unlink" @text={{t "device.attachment.detach"}} @size="xs" @type="danger" @onClick={{this.detachFromVehicle}} />
             {{else}}
-                <Button @icon="link" @text="Attach Vehicle" @size="xs" @onClick={{this.attachToVehicle}} />
+                <Button @icon="link" @text={{t "device.actions.attach-to-asset"}} @size="xs" @onClick={{this.attachToVehicle}} />
             {{/if}}
         </div>
     </div>
@@ -39,15 +39,15 @@
                     <div class="mt-1 text-xs text-gray-500 dark:text-gray-300">{{n-a this.vehicleSubtitle}}</div>
                     <div class="mt-3 grid grid-cols-1 gap-2 text-xs sm:grid-cols-3">
                         <div>
-                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">Driver</div>
+                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">{{t "resource.driver"}}</div>
                             <div class="truncate text-gray-800 dark:text-gray-100">{{n-a this.vehicleDriverName}}</div>
                         </div>
                         <div>
-                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">Attached Device</div>
+                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">{{t "device.attachment.attached-device"}}</div>
                             <div class="truncate text-gray-800 dark:text-gray-100">{{n-a this.device.displayName this.device.name}}</div>
                         </div>
                         <div>
-                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">Device Last Seen</div>
+                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">{{t "device.attachment.last-seen"}}</div>
                             <div class="truncate text-gray-800 dark:text-gray-100">{{n-a (format-date-fns this.device.last_online_at "dd MMM yyyy, HH:mm")}}</div>
                         </div>
                     </div>
@@ -58,9 +58,9 @@
         <Telematic::TabEmptyState
             @tone="warning"
             @icon="link-slash"
-            @title="No vehicle attached"
-            @message="Attach this device to a vehicle so telemetry has fleet context."
-            @primaryText="Attach Vehicle"
+            @title={{t "device.attachment.none-title"}}
+            @message={{t "device.attachment.none-message"}}
+            @primaryText={{t "device.actions.attach-to-asset"}}
             @primaryIcon="link"
             @primaryAction={{this.attachToVehicle}}
         />
diff --git a/addon/components/device/panel-tabs/vehicle.js b/addon/components/device/panel-tabs/vehicle.js
index 49c1e8d28..05862f2bc 100644
--- a/addon/components/device/panel-tabs/vehicle.js
+++ b/addon/components/device/panel-tabs/vehicle.js
@@ -7,6 +7,7 @@ export default class DevicePanelTabsVehicleComponent extends Component {
     @service hostRouter;
     @service mapManager;
     @service vehicleActions;
+    @service trailerActions;
 
     get device() {
         return this.args.resource ?? this.args.model;
@@ -16,6 +17,10 @@ export default class DevicePanelTabsVehicleComponent extends Component {
         return this.device?.attachable;
     }
 
+    get isTrailer() {
+        return `${this.device?.attachable_type ?? ''}`.toLowerCase().includes('trailer');
+    }
+
     get vehicleName() {
         return this.device?.attached_to_name ?? this.vehicle?.displayName ?? this.vehicle?.display_name ?? this.vehicle?.name;
     }
@@ -58,6 +63,9 @@ export default class DevicePanelTabsVehicleComponent extends Component {
 
     @action openVehicle() {
         if (this.vehicle?.id) {
+            if (this.isTrailer) {
+                return this.trailerActions.transition.view(this.vehicle);
+            }
             return this.vehicleActions.panel?.view
                 ? this.vehicleActions.panel.view(this.vehicle)
                 : this.hostRouter.transitionTo('console.fleet-ops.management.vehicles.index.details', this.vehicle);
diff --git a/addon/components/equipment/form.js b/addon/components/equipment/form.js
index cb855a906..d7b369569 100644
--- a/addon/components/equipment/form.js
+++ b/addon/components/equipment/form.js
@@ -11,20 +11,24 @@ import { task } from 'ember-concurrency';
 const TYPE_TO_MODEL = {
     'fleet-ops:vehicle': 'vehicle',
     'fleet-ops:driver': 'driver',
+    'fleet-ops:trailer': 'trailer',
     'Fleetbase\\FleetOps\\Models\\Vehicle': 'vehicle',
     'Fleetbase\\FleetOps\\Models\\Driver': 'driver',
+    'Fleetbase\\FleetOps\\Models\\Trailer': 'trailer',
     'fleet-ops:equipment': 'equipment',
 };
 
 const TYPE_TO_OPTION_VALUE = {
     'Fleetbase\\FleetOps\\Models\\Vehicle': 'fleet-ops:vehicle',
     'Fleetbase\\FleetOps\\Models\\Driver': 'fleet-ops:driver',
+    'Fleetbase\\FleetOps\\Models\\Trailer': 'fleet-ops:trailer',
 };
 
 export default class EquipmentFormComponent extends Component {
     @service fetch;
     @service currentUser;
     @service notifications;
+    @service intl;
 
     /** Equipment type options. */
     equipmentTypeOptions = ['ppe', 'refrigeration_unit', 'tool', 'liftgate', 'ramp', 'container', 'pallet_jack', 'forklift', 'safety_equipment', 'communication_device', 'other'];
@@ -36,10 +40,13 @@ export default class EquipmentFormComponent extends Component {
      * Polymorphic equipable type options — the asset this equipment is attached to.
      * Each entry has a `value` (stored on the model) and a `label` (displayed in the UI).
      */
-    equipableTypeOptions = [
-        { value: 'fleet-ops:vehicle', label: 'Vehicle' },
-        { value: 'fleet-ops:driver', label: 'Driver' },
-    ];
+    get equipableTypeOptions() {
+        return [
+            { value: 'fleet-ops:vehicle', label: this.intl.t('resource.vehicle') },
+            { value: 'fleet-ops:trailer', label: this.intl.t('resource.trailer') },
+            { value: 'fleet-ops:driver', label: this.intl.t('resource.driver') },
+        ];
+    }
 
     /** Derived Ember Data model name for the currently selected equipable type. */
     @tracked equipableModelName = null;
diff --git a/addon/components/layout/fleet-ops-sidebar.js b/addon/components/layout/fleet-ops-sidebar.js
index f045dd88f..1258c5df0 100644
--- a/addon/components/layout/fleet-ops-sidebar.js
+++ b/addon/components/layout/fleet-ops-sidebar.js
@@ -142,6 +142,7 @@ export default class LayoutFleetOpsSidebarComponent extends Component {
             ]),
             this.createItem('menu.drivers', 'id-card', 'management.drivers', 'fleet-ops list driver', 'fleet-ops see driver', ['driver', 'online drivers']),
             this.createItem('menu.vehicles', 'truck', 'management.vehicles', 'fleet-ops list vehicle', 'fleet-ops see vehicle', ['vehicle', 'track vehicles', 'online vehicles']),
+            this.createItem('menu.trailers', 'trailer', 'management.trailers', 'fleet-ops list trailer', 'fleet-ops see trailer', ['trailer', 'towed asset', 'reefer', 'flatbed']),
             this.createItem('menu.fleets', 'user-group', 'management.fleets', 'fleet-ops list fleet', 'fleet-ops see fleet', ['fleet', 'teams']),
             this.createItem('menu.vendors', 'warehouse', 'management.vendors', 'fleet-ops list vendor', 'fleet-ops see vendor'),
             this.createItem('menu.contacts', 'address-book', 'management.contacts', 'fleet-ops list contact', 'fleet-ops see contact'),
@@ -346,13 +347,14 @@ export default class LayoutFleetOpsSidebarComponent extends Component {
             'management.index': 0,
             'management.drivers': 1,
             'management.vehicles': 2,
-            'management.fleets': 3,
-            'management.vendors': 4,
-            'management.contacts': 5,
-            'management.places': 6,
-            'management.fuel-reports': 7,
-            'management.fuel-transactions': 8,
-            'management.issues': 9,
+            'management.trailers': 3,
+            'management.fleets': 4,
+            'management.vendors': 5,
+            'management.contacts': 6,
+            'management.places': 7,
+            'management.fuel-reports': 8,
+            'management.fuel-transactions': 9,
+            'management.issues': 10,
             'maintenance.index': 0,
             'maintenance.schedules': 1,
             'maintenance.work-orders': 2,
diff --git a/addon/components/maintenance-schedule/form.js b/addon/components/maintenance-schedule/form.js
index 7b957b306..a9aeca8a2 100644
--- a/addon/components/maintenance-schedule/form.js
+++ b/addon/components/maintenance-schedule/form.js
@@ -2,12 +2,14 @@ import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 import { isArray } from '@ember/array';
 import { action } from '@ember/object';
+import { inject as service } from '@ember/service';
 
 /**
  * Maps a polymorphic type string to the Ember Data model name used by ModelSelect.
  */
 const TYPE_TO_MODEL = {
     'fleet-ops:vehicle': 'vehicle',
+    'fleet-ops:trailer': 'trailer',
     'fleet-ops:equipment': 'equipment',
     'fleet-ops:vendor': 'vendor',
     'fleet-ops:contact': 'contact',
@@ -21,9 +23,11 @@ const TYPE_TO_MODEL = {
  */
 const MODEL_TO_TYPE = {
     'maintenance-subject-vehicle': 'fleet-ops:vehicle',
+    'maintenance-subject-trailer': 'fleet-ops:trailer',
     'maintenance-subject-equipment': 'fleet-ops:equipment',
     // Fall-through for raw vehicle/equipment models passed from vehicle-actions.js
     vehicle: 'fleet-ops:vehicle',
+    trailer: 'fleet-ops:trailer',
     equipment: 'fleet-ops:equipment',
     vendor: 'fleet-ops:vendor',
     contact: 'fleet-ops:contact',
@@ -44,11 +48,6 @@ const ASSIGNEE_MODEL_TO_TYPE = {
     driver: 'fleet-ops:driver',
 };
 
-const SUBJECT_TYPE_OPTIONS = [
-    { label: 'Vehicle', value: 'fleet-ops:vehicle' },
-    { label: 'Equipment', value: 'fleet-ops:equipment' },
-];
-
 const ASSIGNEE_TYPE_OPTIONS = [
     { label: 'Vendor', value: 'fleet-ops:vendor' },
     { label: 'Contact', value: 'fleet-ops:contact' },
@@ -62,6 +61,7 @@ const INTERVAL_METHOD_OPTIONS = [
 ];
 
 export default class MaintenanceScheduleFormComponent extends Component {
+    @service intl;
     @tracked selectedSubjectType = null;
     @tracked selectedAssigneeType = null;
     @tracked subjectModelName = null;
@@ -70,7 +70,13 @@ export default class MaintenanceScheduleFormComponent extends Component {
     @tracked reminderOffsets = [];
     @tracked newReminderOffset = '';
 
-    subjectTypeOptions = SUBJECT_TYPE_OPTIONS;
+    get subjectTypeOptions() {
+        return [
+            { label: this.intl.t('resource.vehicle'), value: 'fleet-ops:vehicle' },
+            { label: this.intl.t('resource.trailer'), value: 'fleet-ops:trailer' },
+            { label: this.intl.t('resource.equipment'), value: 'fleet-ops:equipment' },
+        ];
+    }
     assigneeTypeOptions = ASSIGNEE_TYPE_OPTIONS;
     intervalMethodOptions = INTERVAL_METHOD_OPTIONS;
 
@@ -103,7 +109,7 @@ export default class MaintenanceScheduleFormComponent extends Component {
                 const modelName = subject.constructor?.modelName ?? subject.modelName;
                 const typeValue = MODEL_TO_TYPE[modelName] ?? null;
                 if (typeValue) {
-                    this.selectedSubjectType = SUBJECT_TYPE_OPTIONS.find((o) => o.value === typeValue) ?? null;
+                    this.selectedSubjectType = this.subjectTypeOptions.find((o) => o.value === typeValue) ?? null;
                     this.subjectModelName = TYPE_TO_MODEL[typeValue] ?? null;
                 }
             }
diff --git a/addon/components/maintenance/form.js b/addon/components/maintenance/form.js
index cd633049e..d5339843c 100644
--- a/addon/components/maintenance/form.js
+++ b/addon/components/maintenance/form.js
@@ -1,12 +1,14 @@
 import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 import { action } from '@ember/object';
+import { inject as service } from '@ember/service';
 
 /**
  * Maps a polymorphic type value to the Ember Data model name used by ModelSelect.
  */
 const TYPE_TO_MODEL = {
     'fleet-ops:vehicle': 'vehicle',
+    'fleet-ops:trailer': 'trailer',
     'fleet-ops:driver': 'driver',
     'fleet-ops:equipment': 'equipment',
     'fleet-ops:vendor': 'vendor',
@@ -20,9 +22,11 @@ const TYPE_TO_MODEL = {
  */
 const MAINTAINABLE_MODEL_TO_TYPE = {
     'maintenance-subject-vehicle': 'fleet-ops:vehicle',
+    'maintenance-subject-trailer': 'fleet-ops:trailer',
     'maintenance-subject-equipment': 'fleet-ops:equipment',
     // Fall-through for raw models passed from vehicle-actions.js
     vehicle: 'fleet-ops:vehicle',
+    trailer: 'fleet-ops:trailer',
     equipment: 'fleet-ops:equipment',
 };
 
@@ -40,6 +44,7 @@ const PERFORMED_BY_MODEL_TO_TYPE = {
 };
 
 export default class MaintenanceFormComponent extends Component {
+    @service intl;
     /** Maintenance type options — the category of maintenance activity. */
     maintenanceTypeOptions = ['preventive', 'corrective', 'predictive', 'routine', 'emergency', 'inspection', 'repair', 'replacement', 'calibration'];
 
@@ -54,10 +59,13 @@ export default class MaintenanceFormComponent extends Component {
      * Uses label/value objects so the PowerSelect trigger shows a human-readable
      * label instead of the raw model type string.
      */
-    maintainableTypeOptions = [
-        { value: 'fleet-ops:vehicle', label: 'Vehicle' },
-        { value: 'fleet-ops:equipment', label: 'Equipment' },
-    ];
+    get maintainableTypeOptions() {
+        return [
+            { value: 'fleet-ops:vehicle', label: this.intl.t('resource.vehicle') },
+            { value: 'fleet-ops:trailer', label: this.intl.t('resource.trailer') },
+            { value: 'fleet-ops:equipment', label: this.intl.t('resource.equipment') },
+        ];
+    }
 
     /**
      * Polymorphic performed-by type options — who carried out the maintenance.
diff --git a/addon/components/modals/attach-equipment.hbs b/addon/components/modals/attach-equipment.hbs
new file mode 100644
index 000000000..35c0e7e1d
--- /dev/null
+++ b/addon/components/modals/attach-equipment.hbs
@@ -0,0 +1,22 @@
+<Modal::Default @modalIsOpened={{@modalIsOpened}} @options={{@options}} @confirm={{@onConfirm}} @decline={{@onDecline}}>
+    <div class="modal-body-container">
+        <InputGroup @name={{t "common.select-field" field=(t "resource.equipment")}} @helpText={{t "trailer.help.select-equipment"}}>
+            <ModelSelect
+                @modelName="equipment"
+                @selectedModel={{@options.selectedEquipment}}
+                @query={{hash attachment_state="detached"}}
+                @placeholder={{t "trailer.placeholders.equipment"}}
+                @triggerClass="form-select form-input"
+                @infiniteScroll={{true}}
+                @renderInPlace={{true}}
+                @onChange={{fn (mut @options.selectedEquipment)}}
+                as |equipment|
+            >
+                <div class="flex flex-col">
+                    <span class="text-sm font-semibold">{{or equipment.name equipment.public_id}}</span>
+                    <span class="text-xs text-gray-500 dark:text-gray-400">{{n-a (or equipment.type equipment.serial_number equipment.code)}}</span>
+                </div>
+            </ModelSelect>
+        </InputGroup>
+    </div>
+</Modal::Default>
diff --git a/addon/components/modals/attach-equipment.js b/addon/components/modals/attach-equipment.js
new file mode 100644
index 000000000..197f863c3
--- /dev/null
+++ b/addon/components/modals/attach-equipment.js
@@ -0,0 +1,3 @@
+import Component from '@glimmer/component';
+
+export default class ModalsAttachEquipmentComponent extends Component {}
diff --git a/addon/components/modals/attach-telematic-device.hbs b/addon/components/modals/attach-telematic-device.hbs
index 933de41a2..0ae518173 100644
--- a/addon/components/modals/attach-telematic-device.hbs
+++ b/addon/components/modals/attach-telematic-device.hbs
@@ -1,25 +1,30 @@
 <Modal::Default @modalIsOpened={{@modalIsOpened}} @options={{@options}} @confirm={{@onConfirm}} @decline={{@onDecline}}>
     <div class="modal-body-container">
         <div class="mb-4 rounded-md border border-gray-200 bg-gray-50 p-3 dark:border-gray-700 dark:bg-gray-800">
-            <div class="text-xs font-semibold uppercase text-gray-500 dark:text-gray-400">Synced device</div>
+            <div class="text-xs font-semibold uppercase text-gray-500 dark:text-gray-400">{{t "device.attachment.synced-device"}}</div>
             <div class="mt-2">
                 <Device::Pill @device={{@options.device}} />
             </div>
         </div>
 
-        <InputGroup @name={{t "common.select-field" field=(t "resource.vehicle")}} @value={{@options.selectedVehicle}}>
+        <InputGroup @name={{t "device.attachment.asset-type"}}>
+            <PowerSelect @options={{this.assetTypeOptions}} @selected={{@options.selectedAssetType}} @placeholder={{t "device.attachment.select-asset-type"}} @triggerClass="form-select form-input" @onChange={{fn (mut @options.selectedAssetType)}} as |option|>{{option.label}}</PowerSelect>
+        </InputGroup>
+        {{#if @options.selectedAssetType}}
+        <InputGroup @name={{t "common.select-field" field=@options.selectedAssetType.label}} @value={{@options.selectedAsset}}>
             <ModelSelect
-                @modelName="vehicle"
-                @selectedModel={{@options.selectedVehicle}}
-                @placeholder={{t "common.select-field" field=(t "resource.vehicle")}}
+                @modelName={{@options.selectedAssetType.model}}
+                @selectedModel={{@options.selectedAsset}}
+                @placeholder={{t "common.select-field" field=@options.selectedAssetType.label}}
                 @triggerClass="form-select form-input"
                 @infiniteScroll={{true}}
                 @renderInPlace={{true}}
-                @onChange={{fn (mut @options.selectedVehicle)}}
-                as |vehicle|
+                @onChange={{fn (mut @options.selectedAsset)}}
+                as |asset|
             >
-                <Vehicle::Pill @resource={{vehicle}} />
+                {{or asset.displayName asset.display_name asset.name asset.public_id}}
             </ModelSelect>
         </InputGroup>
+        {{/if}}
     </div>
 </Modal::Default>
diff --git a/addon/components/modals/attach-telematic-device.js b/addon/components/modals/attach-telematic-device.js
index a975b9960..21daea432 100644
--- a/addon/components/modals/attach-telematic-device.js
+++ b/addon/components/modals/attach-telematic-device.js
@@ -1,3 +1,13 @@
 import Component from '@glimmer/component';
+import { inject as service } from '@ember/service';
 
-export default class ModalsAttachTelematicDeviceComponent extends Component {}
+export default class ModalsAttachTelematicDeviceComponent extends Component {
+    @service intl;
+
+    get assetTypeOptions() {
+        return [
+            { value: 'fleet-ops:vehicle', model: 'vehicle', label: this.intl.t('resource.vehicle') },
+            { value: 'fleet-ops:trailer', model: 'trailer', label: this.intl.t('resource.trailer') },
+        ];
+    }
+}
diff --git a/addon/components/modals/attach-trailer.hbs b/addon/components/modals/attach-trailer.hbs
new file mode 100644
index 000000000..6d36be2eb
--- /dev/null
+++ b/addon/components/modals/attach-trailer.hbs
@@ -0,0 +1,30 @@
+<Modal::Default @modalIsOpened={{@modalIsOpened}} @options={{@options}} @confirm={{@onConfirm}} @decline={{@onDecline}}>
+    <div class="modal-body-container">
+        {{#if @options.trailer}}
+            <div class="mb-4 rounded-md border border-gray-200 bg-gray-50 p-3 dark:border-gray-700 dark:bg-gray-800">
+                <div class="text-xs font-semibold uppercase text-gray-500 dark:text-gray-400">{{t "resource.trailer"}}</div>
+                <div class="mt-1 text-sm font-semibold text-gray-900 dark:text-gray-100">{{@options.trailer.displayName}}</div>
+                <div class="text-xs text-gray-500 dark:text-gray-400">{{n-a (or @options.trailer.plate_number @options.trailer.code @options.trailer.public_id)}}</div>
+            </div>
+        {{/if}}
+
+        <InputGroup @name={{t "trailer.fields.vehicle"}} @helpText={{t "trailer.help.attach-vehicle"}}>
+            <ModelSelect
+                @modelName="vehicle"
+                @selectedModel={{@options.selectedVehicle}}
+                @placeholder={{t "trailer.placeholders.vehicle"}}
+                @triggerClass="form-select form-input"
+                @infiniteScroll={{true}}
+                @renderInPlace={{true}}
+                @onChange={{fn (mut @options.selectedVehicle)}}
+                as |vehicle|
+            >
+                <Vehicle::Pill @vehicle={{vehicle}} />
+            </ModelSelect>
+        </InputGroup>
+
+        <InputGroup @name={{t "trailer.fields.position"}} @helpText={{t "trailer.help.position"}}>
+            <Input @type="number" @value={{@options.position}} min="1" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.position"}} />
+        </InputGroup>
+    </div>
+</Modal::Default>
diff --git a/addon/components/modals/attach-trailer.js b/addon/components/modals/attach-trailer.js
new file mode 100644
index 000000000..5a8babe10
--- /dev/null
+++ b/addon/components/modals/attach-trailer.js
@@ -0,0 +1,3 @@
+import Component from '@glimmer/component';
+
+export default class ModalsAttachTrailerComponent extends Component {}
diff --git a/addon/components/modals/select-trailer.hbs b/addon/components/modals/select-trailer.hbs
new file mode 100644
index 000000000..5df7bf971
--- /dev/null
+++ b/addon/components/modals/select-trailer.hbs
@@ -0,0 +1,35 @@
+<Modal::Default @modalIsOpened={{@modalIsOpened}} @options={{@options}} @confirm={{@onConfirm}} @decline={{@onDecline}}>
+    <div class="modal-body-container">
+        {{#if @options.vehicle}}
+            <div class="mb-4 rounded-md border border-gray-200 bg-gray-50 p-3 dark:border-gray-700 dark:bg-gray-800">
+                <div class="text-xs font-semibold uppercase text-gray-500 dark:text-gray-400">{{t "resource.vehicle"}}</div>
+                <div class="mt-2">
+                    <Vehicle::Pill @vehicle={{@options.vehicle}} />
+                </div>
+            </div>
+        {{/if}}
+
+        <InputGroup @name={{t "resource.trailer"}} @helpText={{t "trailer.help.select-trailer"}}>
+            <ModelSelect
+                @modelName="trailer"
+                @selectedModel={{@options.selectedTrailer}}
+                @query={{hash attachment_state="detached"}}
+                @placeholder={{t "trailer.placeholders.trailer"}}
+                @triggerClass="form-select form-input"
+                @infiniteScroll={{true}}
+                @renderInPlace={{true}}
+                @onChange={{fn (mut @options.selectedTrailer)}}
+                as |trailer|
+            >
+                <div class="flex flex-col">
+                    <span class="text-sm font-semibold">{{trailer.displayName}}</span>
+                    <span class="text-xs text-gray-500 dark:text-gray-400">{{n-a (or trailer.plate_number trailer.code trailer.public_id)}}</span>
+                </div>
+            </ModelSelect>
+        </InputGroup>
+
+        <InputGroup @name={{t "trailer.fields.position"}} @helpText={{t "trailer.help.position"}}>
+            <Input @type="number" @value={{@options.position}} min="1" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.position"}} />
+        </InputGroup>
+    </div>
+</Modal::Default>
diff --git a/addon/components/modals/select-trailer.js b/addon/components/modals/select-trailer.js
new file mode 100644
index 000000000..5cde808b2
--- /dev/null
+++ b/addon/components/modals/select-trailer.js
@@ -0,0 +1,3 @@
+import Component from '@glimmer/component';
+
+export default class ModalsSelectTrailerComponent extends Component {}
diff --git a/addon/components/trailer/card.hbs b/addon/components/trailer/card.hbs
new file mode 100644
index 000000000..57ae3395b
--- /dev/null
+++ b/addon/components/trailer/card.hbs
@@ -0,0 +1,48 @@
+<Layout::Resource::Card ...attributes as |Card|>
+    <Card.header class={{@headerClass}}>
+        <RegistryYield @registry="fleet-ops:component:trailer:card:header:start" as |RegistryComponent|>
+            <RegistryComponent @resource={{@resource}} />
+        </RegistryYield>
+        <div class="font-semibold w-full truncate">{{@resource.displayName}}</div>
+        <div class="text-gray-400 dark:text-gray-500 text-sm w-full truncate">
+            {{#if @resource.type}}{{t (concat "trailer.types." @resource.type)}}{{/if}}
+            {{#if (or @resource.plate_number @resource.vin @resource.code)}}<span class="mx-1">·</span>{{or @resource.plate_number @resource.vin @resource.code}}{{/if}}
+        </div>
+        {{#if (has-block "header")}}
+            {{yield to="header"}}
+        {{/if}}
+        <RegistryYield @registry="fleet-ops:component:trailer:card:header:end" as |RegistryComponent|>
+            <RegistryComponent @resource={{@resource}} />
+        </RegistryYield>
+    </Card.header>
+    <Card.body class={{@bodyClass}}>
+        <Image src={{or @resource.photo_url (config "defaultValues.vehicleImage")}} @fallbackSrc={{config "defaultValues.vehicleImage"}} alt={{@resource.displayName}} class="card-img-lg" />
+        <div class="mt-2 flex flex-row flex-wrap items-center gap-1">
+            <Badge @status={{@resource.status}} @text={{t (concat "trailer.statuses." (or @resource.status "available"))}} />
+            <Badge @status={{if @resource.isAttached "attached" "detached"}} @icon={{if @resource.isAttached "link" "link-slash"}} @text={{if @resource.isAttached (n-a @resource.current_vehicle_name) (t "trailer.attachment.detached")}} />
+        </div>
+        {{#if (has-block "body")}}
+            {{yield to="body"}}
+        {{/if}}
+    </Card.body>
+    <Card.footer class={{@footerClass}}>
+        <RegistryYield @registry="fleet-ops:component:trailer:card:footer:start" as |RegistryComponent|>
+            <RegistryComponent @resource={{@resource}} />
+        </RegistryYield>
+        <div class="flex flex-row items-center space-x-1">
+            <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.trailerActions.transition.view @resource}} @permission="fleet-ops view trailer" />
+            <Button @icon="pencil" @size="xs" @helpText={{t "common.edit"}} @onClick={{fn this.trailerActions.transition.edit @resource}} @permission="fleet-ops update trailer" />
+            <Button @icon="trash" @size="xs" @type="danger" @helpText={{t "common.delete"}} @onClick={{fn this.trailerActions.delete @resource}} @permission="fleet-ops delete trailer" />
+        </div>
+        <RegistryYield @registry="fleet-ops:component:trailer:card:footer:end" as |RegistryComponent|>
+            <RegistryComponent @resource={{@resource}} />
+        </RegistryYield>
+        {{#if (has-block "footer")}}
+            {{yield to="footer"}}
+        {{/if}}
+        <div class="mt-1.5">
+            <div class="text-gray-400 dark:text-gray-500 text-xs">{{t "trailer.fields.updated-at"}}: {{@resource.updatedAt}}</div>
+        </div>
+    </Card.footer>
+</Layout::Resource::Card>
+{{yield}}
diff --git a/addon/components/trailer/card.js b/addon/components/trailer/card.js
new file mode 100644
index 000000000..5956fb3f2
--- /dev/null
+++ b/addon/components/trailer/card.js
@@ -0,0 +1,6 @@
+import Component from '@glimmer/component';
+import { inject as service } from '@ember/service';
+
+export default class TrailerCardComponent extends Component {
+    @service trailerActions;
+}
diff --git a/addon/components/trailer/details.hbs b/addon/components/trailer/details.hbs
new file mode 100644
index 000000000..dfc066397
--- /dev/null
+++ b/addon/components/trailer/details.hbs
@@ -0,0 +1,399 @@
+<div class="details-wrapper trailer-details" ...attributes>
+    {{! CORE DETAILS }}
+    <ContentPanel @title={{t "trailer.sections.details"}} @open={{true}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-1">
+                {{t "trailer.sections.identification"}}
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.name"}}</div>
+                <div class="field-value">{{n-a @resource.name}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.id"}}</div>
+                <div class="field-value"><ClickToCopy @value={{@resource.public_id}}>{{n-a @resource.public_id}}</ClickToCopy></div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.code"}}</div>
+                <div class="field-value">{{n-a @resource.code}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.type"}}</div>
+                <div class="field-value">{{n-a this.typeLabel}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.status"}}</div>
+                <div class="field-value"><Badge @status={{@resource.status}} @text={{this.statusLabel}} /></div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.body-type"}}</div>
+                <div class="field-value">{{n-a @resource.body_type}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.color"}}</div>
+                <div class="field-value">{{n-a @resource.color}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.category"}}</div>
+                <div class="field-value">{{n-a (or @resource.category.name @resource.category_name)}}</div>
+            </div>
+
+            <div class="field-info-container col-span-2">
+                <div class="field-name">{{t "trailer.fields.description"}}</div>
+                <div class="field-value">{{n-a @resource.description}}</div>
+            </div>
+
+            <div class="col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.registration"}}
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.vin"}}</div>
+                <div class="field-value">{{n-a @resource.vin}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.plate-number"}}</div>
+                <div class="field-value">{{n-a @resource.plate_number}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.serial-number"}}</div>
+                <div class="field-value">{{n-a @resource.serial_number}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.make"}}</div>
+                <div class="field-value">{{n-a @resource.make}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.model"}}</div>
+                <div class="field-value">{{n-a @resource.model}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.year"}}</div>
+                <div class="field-value">{{n-a @resource.year}}</div>
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! TOWING CONNECTION }}
+    <ContentPanel @title={{t "trailer.sections.connection"}} @open={{true}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.attachment-state"}}</div>
+                <div class="field-value">
+                    <Badge @status={{if this.isAttached "attached" "detached"}} @text={{this.attachmentLabel}} @icon={{if this.isAttached "link" "link-slash"}} />
+                </div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.vehicle"}}</div>
+                <div class="field-value">
+                    {{#if this.isAttached}}
+                        <a href="javascript:;" class="text-blue-600 dark:text-blue-400 hover:opacity-50" {{on "click" this.viewVehicle}}>{{n-a this.currentVehicleName}}</a>
+                    {{else}}
+                        <span class="text-gray-400 dark:text-gray-500">{{t "trailer.attachment.no-vehicle"}}</span>
+                    {{/if}}
+                </div>
+            </div>
+
+            {{#if this.isAttached}}
+                <div class="field-info-container">
+                    <div class="field-name">{{t "trailer.fields.attached-at"}}</div>
+                    <div class="field-value">{{n-a (format-date-fns @resource.attached_at "dd MMM yyyy, HH:mm")}}</div>
+                </div>
+
+                <div class="field-info-container">
+                    <div class="field-name">{{t "trailer.fields.position"}}</div>
+                    <div class="field-value">{{n-a @resource.current_connection.position}}</div>
+                </div>
+            {{/if}}
+
+            <div class="col-span-2 flex flex-row items-center space-x-2 mt-1">
+                {{#if this.isAttached}}
+                    <Button @icon="unlink" @text={{t "trailer.actions.detach-vehicle"}} @size="xs" @type="danger" @onClick={{this.detachVehicle}} @permission="fleet-ops detach-vehicle-for trailer" />
+                {{else}}
+                    <Button @icon="link" @text={{t "trailer.actions.attach-vehicle"}} @size="xs" @type="primary" @onClick={{this.attachVehicle}} @permission="fleet-ops attach-vehicle-for trailer" />
+                {{/if}}
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! LOCATION & TELEMATICS }}
+    <ContentPanel @title={{t "trailer.sections.telemetry"}} @open={{true}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.connectivity"}}</div>
+                <div class="field-value"><Badge @status={{@resource.connectivity_status}} @text={{this.connectivityLabel}} /></div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.last-online"}}</div>
+                <div class="field-value">
+                    {{#if @resource.last_online_at}}
+                        {{format-date-fns @resource.last_online_at "dd MMM yyyy, HH:mm"}}
+                        <span class="text-gray-400 dark:text-gray-500">({{@resource.lastOnlineAgo}})</span>
+                    {{else}}
+                        {{t "trailer.connectivity.never_connected"}}
+                    {{/if}}
+                </div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.coordinates"}}</div>
+                <div class="field-value">
+                    {{#if @resource.hasValidCoordinates}}
+                        {{point-coordinates @resource.location}}
+                        <Button @icon="location-dot" @size="xs" @helpText={{t "trailer.actions.locate"}} @onClick={{this.locate}} class="ml-2" />
+                    {{else}}
+                        {{t "trailer.telemetry.no-location"}}
+                    {{/if}}
+                </div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.speed"}}</div>
+                <div class="field-value">{{n-a @resource.speed}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.heading"}}</div>
+                <div class="field-value">{{n-a @resource.heading}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.altitude"}}</div>
+                <div class="field-value">{{n-a @resource.altitude}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.devices-count"}}</div>
+                <div class="field-value">{{or @resource.devices_count 0}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.equipment-count"}}</div>
+                <div class="field-value">{{or @resource.equipment_count 0}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.last-provider"}}</div>
+                <div class="field-value">{{n-a this.lastProvider}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.last-event-at"}}</div>
+                <div class="field-value">{{n-a (format-date-fns this.lastEventAt "dd MMM yyyy, HH:mm")}}</div>
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! DIMENSIONS & CAPACITY }}
+    <ContentPanel @title={{t "trailer.sections.dimensions"}} @open={{false}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.measurement-system"}}</div>
+                <div class="field-value">{{n-a this.measurementLabel}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.odometer" unit=(or @resource.odometer_unit "")}}</div>
+                <div class="field-value">{{n-a @resource.odometer}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.length" unit=this.units.length}}</div>
+                <div class="field-value">{{n-a @resource.length}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.width" unit=this.units.length}}</div>
+                <div class="field-value">{{n-a @resource.width}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.height" unit=this.units.length}}</div>
+                <div class="field-value">{{n-a @resource.height}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.cargo-volume" unit=this.units.volume}}</div>
+                <div class="field-value">{{n-a @resource.cargo_volume}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.tare-weight" unit=this.units.weight}}</div>
+                <div class="field-value">{{n-a @resource.tare_weight}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.gvwr" unit=this.units.weight}}</div>
+                <div class="field-value">{{n-a @resource.gvwr}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.payload-capacity" unit=this.units.weight}}</div>
+                <div class="field-value">{{n-a @resource.payload_capacity}}</div>
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! RUNNING GEAR }}
+    <ContentPanel @title={{t "trailer.sections.running-gear"}} @open={{false}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.axle-count"}}</div>
+                <div class="field-value">{{n-a @resource.axle_count}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.tire-count"}}</div>
+                <div class="field-value">{{n-a @resource.tire_count}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.door-count"}}</div>
+                <div class="field-value">{{n-a @resource.door_count}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.coupling-type"}}</div>
+                <div class="field-value">{{n-a this.couplingLabel}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.brake-type"}}</div>
+                <div class="field-value">{{n-a this.brakeLabel}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.abs"}}</div>
+                <div class="field-value">{{if @resource.abs_equipped (t "common.yes") (t "common.no")}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.ebs"}}</div>
+                <div class="field-value">{{if @resource.ebs_equipped (t "common.yes") (t "common.no")}}</div>
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! REFRIGERATION }}
+    {{#if this.showRefrigeration}}
+        <ContentPanel @title={{t "trailer.sections.refrigeration"}} @open={{false}} @wrapperClass="bordered-top">
+            <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+                <div class="field-info-container">
+                    <div class="field-name">{{t "trailer.fields.refrigerated"}}</div>
+                    <div class="field-value">{{if @resource.refrigerated (t "common.yes") (t "common.no")}}</div>
+                </div>
+
+                <div class="field-info-container">
+                    <div class="field-name">{{t "trailer.fields.reefer-hours"}}</div>
+                    <div class="field-value">{{n-a @resource.reefer_engine_hours}}</div>
+                </div>
+
+                <div class="field-info-container">
+                    <div class="field-name">{{t "trailer.fields.temperature-min" unit=this.units.temperature}}</div>
+                    <div class="field-value">{{n-a @resource.temperature_min}}</div>
+                </div>
+
+                <div class="field-info-container">
+                    <div class="field-name">{{t "trailer.fields.temperature-max" unit=this.units.temperature}}</div>
+                    <div class="field-value">{{n-a @resource.temperature_max}}</div>
+                </div>
+            </div>
+        </ContentPanel>
+    {{/if}}
+
+    {{! OWNERSHIP & FINANCE }}
+    <ContentPanel @title={{t "trailer.sections.ownership"}} @open={{false}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.ownership-type"}}</div>
+                <div class="field-value">{{n-a this.ownershipLabel}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.financing-status"}}</div>
+                <div class="field-value">{{n-a @resource.financing_status}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.vendor"}}</div>
+                <div class="field-value">{{n-a (or @resource.vendor.name @resource.vendor_name)}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.warranty"}}</div>
+                <div class="field-value">{{n-a (or @resource.warranty.name @resource.warranty_name)}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.purchased-at"}}</div>
+                <div class="field-value">{{n-a (format-date-fns @resource.purchased_at "dd MMM yyyy")}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.lease-expires-at"}}</div>
+                <div class="field-value">{{n-a (format-date-fns @resource.lease_expires_at "dd MMM yyyy")}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.acquisition-cost"}}</div>
+                <div class="field-value">{{#if @resource.acquisition_cost}}{{format-currency @resource.acquisition_cost @resource.currency}}{{else}}-{{/if}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.current-value"}}</div>
+                <div class="field-value">{{#if @resource.current_value}}{{format-currency @resource.current_value @resource.currency}}{{else}}-{{/if}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.insurance-value"}}</div>
+                <div class="field-value">{{#if @resource.insurance_value}}{{format-currency @resource.insurance_value @resource.currency}}{{else}}-{{/if}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.depreciation-rate"}}</div>
+                <div class="field-value">{{#if @resource.depreciation_rate}}{{@resource.depreciation_rate}}%{{else}}-{{/if}}</div>
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! NOTES & TIMESTAMPS }}
+    <ContentPanel @title={{t "trailer.sections.notes"}} @open={{false}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 lg:grid-cols-2 gap-2 text-xs dark:text-gray-100">
+            <div class="field-info-container col-span-2">
+                <div class="field-name">{{t "trailer.fields.notes"}}</div>
+                <div class="field-value whitespace-pre-line">{{n-a @resource.notes}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.created-at"}}</div>
+                <div class="field-value">{{n-a (format-date-fns @resource.created_at "dd MMM yyyy, HH:mm")}}</div>
+            </div>
+
+            <div class="field-info-container">
+                <div class="field-name">{{t "trailer.fields.updated-at"}}</div>
+                <div class="field-value">{{n-a (format-date-fns @resource.updated_at "dd MMM yyyy, HH:mm")}}</div>
+            </div>
+        </div>
+    </ContentPanel>
+
+    <CustomField::Yield @subject={{@resource}} @viewMode={{true}} @wrapperClass="bordered-top" />
+
+    <RegistryYield @registry="fleet-ops:component:trailer:details" as |RegistryComponent|>
+        <RegistryComponent @resource={{@resource}} />
+    </RegistryYield>
+</div>
diff --git a/addon/components/trailer/details.js b/addon/components/trailer/details.js
new file mode 100644
index 000000000..0905b84ba
--- /dev/null
+++ b/addon/components/trailer/details.js
@@ -0,0 +1,118 @@
+import Component from '@glimmer/component';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+
+export default class TrailerDetailsComponent extends Component {
+    @service trailerActions;
+    @service vehicleActions;
+    @service intl;
+
+    get trailer() {
+        return this.args.resource;
+    }
+
+    get isAttached() {
+        return this.trailer?.isAttached ?? this.trailer?.attachment_state === 'attached';
+    }
+
+    get currentVehicle() {
+        return this.trailer?.current_vehicle;
+    }
+
+    get currentVehicleName() {
+        return this.trailer?.current_vehicle_name ?? this.currentVehicle?.displayName ?? this.currentVehicle?.display_name ?? this.currentVehicle?.name;
+    }
+
+    get typeLabel() {
+        const type = this.trailer?.type;
+
+        return type ? this.intl.t(`trailer.types.${type}`, { default: type }) : null;
+    }
+
+    get statusLabel() {
+        const status = this.trailer?.status;
+
+        return status ? this.intl.t(`trailer.statuses.${status}`, { default: status }) : null;
+    }
+
+    get attachmentLabel() {
+        return this.intl.t(`trailer.attachment.${this.isAttached ? 'attached' : 'detached'}`);
+    }
+
+    get connectivityLabel() {
+        const status = this.trailer?.connectivity_status ?? 'never_connected';
+
+        return this.intl.t(`trailer.connectivity.${status}`, { default: status });
+    }
+
+    get ownershipLabel() {
+        const value = this.trailer?.ownership_type;
+
+        return value ? this.intl.t(`trailer.ownership-types.${value}`, { default: value }) : null;
+    }
+
+    get couplingLabel() {
+        const value = this.trailer?.coupling_type;
+
+        return value ? this.intl.t(`trailer.coupling-types.${value}`, { default: value }) : null;
+    }
+
+    get brakeLabel() {
+        const value = this.trailer?.brake_type;
+
+        return value ? this.intl.t(`trailer.brake-types.${value}`, { default: value }) : null;
+    }
+
+    get measurementLabel() {
+        const value = this.trailer?.measurement_system;
+
+        return value ? this.intl.t(`trailer.measurement.${value}`, { default: value }) : null;
+    }
+
+    get units() {
+        const system = this.trailer?.measurement_system === 'imperial' ? 'imperial' : 'metric';
+
+        return {
+            length: this.intl.t(`trailer.units.length-${system}`),
+            weight: this.intl.t(`trailer.units.weight-${system}`),
+            volume: this.intl.t(`trailer.units.volume-${system}`),
+            temperature: this.intl.t(`trailer.units.temperature-${system}`),
+        };
+    }
+
+    get showRefrigeration() {
+        return Boolean(this.trailer?.refrigerated) || this.trailer?.type === 'reefer';
+    }
+
+    get lastProvider() {
+        return this.trailer?.telematics?.last_provider ?? null;
+    }
+
+    get lastEventAt() {
+        return this.trailer?.telematics?.last_event_at ?? null;
+    }
+
+    @action viewVehicle() {
+        if (!this.currentVehicle) {
+            return;
+        }
+
+        if (this.vehicleActions.panel?.view) {
+            return this.vehicleActions.panel.view(this.currentVehicle);
+        }
+
+        return this.vehicleActions.transition.view(this.currentVehicle);
+    }
+
+    @action attachVehicle() {
+        return this.trailerActions.attachVehicle(this.trailer);
+    }
+
+    @action detachVehicle() {
+        return this.trailerActions.detachVehicle(this.trailer);
+    }
+
+    @action locate() {
+        return this.trailerActions.locate(this.trailer);
+    }
+}
diff --git a/addon/components/trailer/details/connections.hbs b/addon/components/trailer/details/connections.hbs
new file mode 100644
index 000000000..b3ecbe6e3
--- /dev/null
+++ b/addon/components/trailer/details/connections.hbs
@@ -0,0 +1,68 @@
+<div class="trailer-details-connections p-4">
+    <div class="flex flex-row items-center justify-between mb-3">
+        <div>
+            <h3 class="text-sm font-semibold text-gray-900 dark:text-gray-100">{{t "trailer.tabs.connections"}}</h3>
+            <p class="text-xs text-gray-500 dark:text-gray-400">{{t "trailer.connections.description"}}</p>
+        </div>
+        <div class="flex flex-row items-center space-x-2">
+            {{#if this.isAttached}}
+                <Button @icon="unlink" @text={{t "trailer.actions.detach-vehicle"}} @size="xs" @type="danger" @onClick={{this.detachVehicle}} @permission="fleet-ops detach-vehicle-for trailer" />
+            {{else}}
+                <Button @icon="link" @text={{t "trailer.actions.attach-vehicle"}} @size="xs" @type="primary" @onClick={{this.attachVehicle}} @permission="fleet-ops attach-vehicle-for trailer" />
+            {{/if}}
+        </div>
+    </div>
+
+    {{#if this.loadConnections.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.connections.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.vehicle"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.position"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.connected-at"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.disconnected-at"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.duration"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.source"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.status"}}</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.connections as |connection|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800 {{if connection.isActive 'bg-green-50/40 dark:bg-green-900/10'}}">
+                            <td class="py-2 pr-4 font-medium">
+                                {{#if connection.vehicle}}
+                                    <a href="javascript:;" class="text-blue-600 dark:text-blue-400 hover:opacity-50" {{on "click" (fn this.viewVehicle connection.vehicle)}}>{{or connection.vehicle.displayName connection.vehicle.display_name connection.vehicle.name}}</a>
+                                    {{#if connection.vehicle.plate_number}}<span class="ml-1 text-gray-400">({{connection.vehicle.plate_number}})</span>{{/if}}
+                                {{else}}
+                                    <span class="text-gray-400">{{t "trailer.attachment.no-vehicle"}}</span>
+                                {{/if}}
+                            </td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a connection.position}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (format-date-fns connection.connected_at "dd MMM yyyy, HH:mm")}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{#if connection.disconnected_at}}{{format-date-fns connection.disconnected_at "dd MMM yyyy, HH:mm"}}{{else}}<span class="text-green-600 dark:text-green-400">{{t "trailer.connections.ongoing"}}</span>{{/if}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a connection.duration}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (smart-humanize connection.source)}}</td>
+                            <td class="py-2 pr-4">
+                                <Badge @status={{if connection.isActive "attached" "detached"}} @icon={{if connection.isActive "link" "link-slash"}} @text={{t (concat "trailer.attachment." (if connection.isActive "attached" "detached"))}} />
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="link-slash" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "trailer.empty.connections"}}</p>
+            <p class="text-xs">{{t "trailer.empty.connections-description"}}</p>
+            {{#unless this.isAttached}}
+                <Button @text={{t "trailer.actions.attach-vehicle"}} @icon="link" @size="xs" @type="primary" class="mt-3" @onClick={{this.attachVehicle}} @permission="fleet-ops attach-vehicle-for trailer" />
+            {{/unless}}
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/trailer/details/connections.js b/addon/components/trailer/details/connections.js
new file mode 100644
index 000000000..2a5bd1b55
--- /dev/null
+++ b/addon/components/trailer/details/connections.js
@@ -0,0 +1,59 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+/**
+ * Effective-dated towing history for a trailer, newest first. The active
+ * connection is highlighted and can be ended from here.
+ */
+export default class TrailerDetailsConnectionsComponent extends Component {
+    @service store;
+    @service notifications;
+    @service trailerActions;
+    @service vehicleActions;
+    @tracked connections = [];
+
+    get trailer() {
+        return this.args.resource;
+    }
+
+    get isAttached() {
+        return this.trailer?.isAttached ?? this.trailer?.attachment_state === 'attached';
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadConnections.perform();
+    }
+
+    @task *loadConnections() {
+        try {
+            const trailer = yield this.store.queryRecord('trailer', { public_id: this.trailer.public_id ?? this.trailer.id, single: true, with: ['connections.vehicle'] });
+            this.connections = Array.from(trailer?.connections ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action viewVehicle(vehicle) {
+        if (!vehicle) {
+            return;
+        }
+
+        if (this.vehicleActions.panel?.view) {
+            return this.vehicleActions.panel.view(vehicle);
+        }
+
+        return this.vehicleActions.transition.view(vehicle);
+    }
+
+    @action attachVehicle() {
+        return this.trailerActions.attachVehicle(this.trailer, { callback: () => this.loadConnections.perform() });
+    }
+
+    @action detachVehicle() {
+        return this.trailerActions.detachVehicle(this.trailer, { callback: () => this.loadConnections.perform() });
+    }
+}
diff --git a/addon/components/trailer/details/equipment.hbs b/addon/components/trailer/details/equipment.hbs
new file mode 100644
index 000000000..b93e0c88d
--- /dev/null
+++ b/addon/components/trailer/details/equipment.hbs
@@ -0,0 +1,52 @@
+<div class="trailer-details-equipment p-4">
+    <div class="flex flex-row items-center justify-between mb-3">
+        <div>
+            <h3 class="text-sm font-semibold text-gray-900 dark:text-gray-100">{{t "trailer.tabs.equipment"}}</h3>
+            <p class="text-xs text-gray-500 dark:text-gray-400">{{t "trailer.equipment.description"}}</p>
+        </div>
+        <Button @icon="plus" @text={{t "trailer.actions.attach-equipment"}} @size="xs" @type="primary" @onClick={{this.attach}} @permission="fleet-ops attach-equipment-for trailer" />
+    </div>
+
+    {{#if this.loadEquipment.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.equipment.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.name"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.type"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.serial-number"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.status"}}</th>
+                        <th class="py-2"></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.equipment as |item|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800">
+                            <td class="py-2 pr-4 font-medium">{{or item.name item.public_id}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (smart-humanize item.type)}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (or item.serial_number item.code)}}</td>
+                            <td class="py-2 pr-4"><Badge @status={{item.status}} /></td>
+                            <td class="py-2">
+                                <div class="flex flex-row items-center justify-end space-x-1">
+                                    <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.view item}} @permission="fleet-ops view equipment" />
+                                    <Button @icon="unlink" @size="xs" @type="danger" @helpText={{t "trailer.actions.detach-equipment"}} @onClick={{fn this.detach item}} @permission="fleet-ops detach-equipment-for trailer" />
+                                </div>
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="toolbox" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "trailer.empty.equipment"}}</p>
+            <p class="text-xs">{{t "trailer.empty.equipment-description"}}</p>
+            <Button @text={{t "trailer.actions.attach-equipment"}} @icon="plus" @size="xs" @type="primary" class="mt-3" @onClick={{this.attach}} @permission="fleet-ops attach-equipment-for trailer" />
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/trailer/details/equipment.js b/addon/components/trailer/details/equipment.js
new file mode 100644
index 000000000..d9ec921da
--- /dev/null
+++ b/addon/components/trailer/details/equipment.js
@@ -0,0 +1,52 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+export default class TrailerDetailsEquipmentComponent extends Component {
+    @service store;
+    @service notifications;
+    @service equipmentActions;
+    @service trailerActions;
+    @tracked equipment = [];
+
+    get trailer() {
+        return this.args.resource;
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadEquipment.perform();
+    }
+
+    @task *loadEquipment() {
+        try {
+            const equipment = yield this.store.query('equipment', {
+                equipable_type: 'fleet-ops:trailer',
+                equipable: this.trailer.public_id ?? this.trailer.id,
+                sort: '-created_at',
+            });
+
+            this.equipment = Array.from(equipment ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action attach() {
+        return this.trailerActions.attachEquipment(this.trailer, { callback: () => this.loadEquipment.perform() });
+    }
+
+    @action detach(equipment) {
+        return this.trailerActions.detachEquipment(this.trailer, equipment, { callback: () => this.loadEquipment.perform() });
+    }
+
+    @action view(equipment) {
+        if (this.equipmentActions.panel?.view) {
+            return this.equipmentActions.panel.view(equipment);
+        }
+
+        return this.equipmentActions.transition.view(equipment);
+    }
+}
diff --git a/addon/components/trailer/details/maintenance-history.hbs b/addon/components/trailer/details/maintenance-history.hbs
new file mode 100644
index 000000000..31f5ae01a
--- /dev/null
+++ b/addon/components/trailer/details/maintenance-history.hbs
@@ -0,0 +1,47 @@
+<div class="trailer-details-maintenance-history p-4">
+    <div class="flex flex-row items-center justify-end mb-3">
+        <Button @icon="plus" @text={{t "trailer.actions.log-maintenance"}} @size="xs" @type="primary" @onClick={{this.logMaintenance}} @permission="fleet-ops create maintenance" />
+    </div>
+
+    {{#if this.loadMaintenanceHistory.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.maintenanceHistory.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.summary"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.type"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.odometer"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.total-cost"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.date"}}</th>
+                        <th class="py-2"></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.maintenanceHistory as |record|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800">
+                            <td class="py-2 pr-4 font-medium">{{record.summary}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (smart-humanize record.type)}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a record.odometer_reading}} {{record.odometer_unit}}</td>
+                            <td class="py-2 pr-4">{{#if record.total_cost}}{{format-currency record.total_cost record.currency}}{{else}}-{{/if}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (format-date-fns record.completed_at "dd MMM yyyy")}}</td>
+                            <td class="py-2 text-right">
+                                <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.maintenanceActions.transition.view record}} />
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="wrench" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "trailer.empty.maintenance"}}</p>
+            <p class="text-xs">{{t "trailer.empty.maintenance-description"}}</p>
+            <Button @text={{t "trailer.actions.log-maintenance"}} @icon="plus" @size="xs" @type="primary" class="mt-3" @onClick={{this.logMaintenance}} @permission="fleet-ops create maintenance" />
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/trailer/details/maintenance-history.js b/addon/components/trailer/details/maintenance-history.js
new file mode 100644
index 000000000..67cd0f336
--- /dev/null
+++ b/addon/components/trailer/details/maintenance-history.js
@@ -0,0 +1,40 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+export default class TrailerDetailsMaintenanceHistoryComponent extends Component {
+    @service maintenanceActions;
+    @service notifications;
+    @service store;
+    @service trailerActions;
+    @tracked maintenanceHistory = [];
+
+    get trailer() {
+        return this.args.resource;
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadMaintenanceHistory.perform();
+    }
+
+    @task *loadMaintenanceHistory() {
+        try {
+            const records = yield this.store.query('maintenance', {
+                maintainable_uuid: this.trailer.id,
+                maintainable_type: 'trailer',
+                sort: '-created_at',
+            });
+
+            this.maintenanceHistory = Array.from(records ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action logMaintenance() {
+        return this.trailerActions.logMaintenance(this.trailer, {}, { refresh: false, callback: () => this.loadMaintenanceHistory.perform() });
+    }
+}
diff --git a/addon/components/trailer/details/schedules.hbs b/addon/components/trailer/details/schedules.hbs
new file mode 100644
index 000000000..f1f19f1b6
--- /dev/null
+++ b/addon/components/trailer/details/schedules.hbs
@@ -0,0 +1,45 @@
+<div class="trailer-details-schedules p-4">
+    <div class="flex flex-row items-center justify-end mb-3">
+        <Button @icon="plus" @text={{t "trailer.actions.schedule-maintenance"}} @size="xs" @type="primary" @onClick={{this.createSchedule}} @permission="fleet-ops create maintenance-schedule" />
+    </div>
+
+    {{#if this.loadSchedules.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.schedules.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.name"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.interval"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.next-due"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.status"}}</th>
+                        <th class="py-2"></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.schedules as |schedule|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800">
+                            <td class="py-2 pr-4 font-medium">{{schedule.name}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{schedule.interval_value}} {{schedule.interval_unit}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (format-date-fns schedule.next_due_date "dd MMM yyyy")}}</td>
+                            <td class="py-2 pr-4"><Badge @status={{schedule.status}} /></td>
+                            <td class="py-2 text-right">
+                                <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.maintenanceScheduleActions.transition.view schedule}} />
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="calendar-check" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "trailer.empty.schedules"}}</p>
+            <p class="text-xs">{{t "trailer.empty.schedules-description"}}</p>
+            <Button @text={{t "trailer.actions.schedule-maintenance"}} @icon="plus" @size="xs" @type="primary" class="mt-3" @onClick={{this.createSchedule}} @permission="fleet-ops create maintenance-schedule" />
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/trailer/details/schedules.js b/addon/components/trailer/details/schedules.js
new file mode 100644
index 000000000..369bae95c
--- /dev/null
+++ b/addon/components/trailer/details/schedules.js
@@ -0,0 +1,40 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+export default class TrailerDetailsSchedulesComponent extends Component {
+    @service maintenanceScheduleActions;
+    @service notifications;
+    @service store;
+    @service trailerActions;
+    @tracked schedules = [];
+
+    get trailer() {
+        return this.args.resource;
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadSchedules.perform();
+    }
+
+    @task *loadSchedules() {
+        try {
+            const schedules = yield this.store.query('maintenance-schedule', {
+                subject_uuid: this.trailer.id,
+                subject_type: 'fleet-ops:trailer',
+                sort: '-created_at',
+            });
+
+            this.schedules = Array.from(schedules ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action createSchedule() {
+        return this.trailerActions.scheduleMaintenance(this.trailer, {}, { refresh: false, callback: () => this.loadSchedules.perform() });
+    }
+}
diff --git a/addon/components/trailer/details/work-orders.hbs b/addon/components/trailer/details/work-orders.hbs
new file mode 100644
index 000000000..ad6623800
--- /dev/null
+++ b/addon/components/trailer/details/work-orders.hbs
@@ -0,0 +1,47 @@
+<div class="trailer-details-work-orders p-4">
+    <div class="flex flex-row items-center justify-end mb-3">
+        <Button @icon="plus" @text={{t "trailer.actions.create-work-order"}} @size="xs" @type="primary" @onClick={{this.createWorkOrder}} @permission="fleet-ops create work-order" />
+    </div>
+
+    {{#if this.loadWorkOrders.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.workOrders.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.code"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.subject"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.priority"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.status"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.maintenance.due"}}</th>
+                        <th class="py-2"></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.workOrders as |workOrder|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800">
+                            <td class="py-2 pr-4 font-mono uppercase">{{workOrder.code}}</td>
+                            <td class="py-2 pr-4 font-medium">{{workOrder.subject}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (smart-humanize workOrder.priority)}}</td>
+                            <td class="py-2 pr-4"><Badge @status={{workOrder.status}} /></td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (format-date-fns workOrder.due_at "dd MMM yyyy")}}</td>
+                            <td class="py-2 text-right">
+                                <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.workOrderActions.transition.view workOrder}} />
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="clipboard-list" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "trailer.empty.work-orders"}}</p>
+            <p class="text-xs">{{t "trailer.empty.work-orders-description"}}</p>
+            <Button @text={{t "trailer.actions.create-work-order"}} @icon="plus" @size="xs" @type="primary" class="mt-3" @onClick={{this.createWorkOrder}} @permission="fleet-ops create work-order" />
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/trailer/details/work-orders.js b/addon/components/trailer/details/work-orders.js
new file mode 100644
index 000000000..aeb87dcc7
--- /dev/null
+++ b/addon/components/trailer/details/work-orders.js
@@ -0,0 +1,40 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+export default class TrailerDetailsWorkOrdersComponent extends Component {
+    @service workOrderActions;
+    @service notifications;
+    @service store;
+    @service trailerActions;
+    @tracked workOrders = [];
+
+    get trailer() {
+        return this.args.resource;
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadWorkOrders.perform();
+    }
+
+    @task *loadWorkOrders() {
+        try {
+            const workOrders = yield this.store.query('work-order', {
+                target_uuid: this.trailer.id,
+                target_type: 'trailer',
+                sort: '-created_at',
+            });
+
+            this.workOrders = Array.from(workOrders ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action createWorkOrder() {
+        return this.trailerActions.createWorkOrder(this.trailer, {}, { refresh: false, callback: () => this.loadWorkOrders.perform() });
+    }
+}
diff --git a/addon/components/trailer/form.hbs b/addon/components/trailer/form.hbs
new file mode 100644
index 000000000..62ef3f864
--- /dev/null
+++ b/addon/components/trailer/form.hbs
@@ -0,0 +1,447 @@
+<div class="form-wrapper trailer-form" ...attributes>
+    <RegistryYield @registry="fleet-ops:component:trailer:form:start" as |RegistryComponent|>
+        <RegistryComponent @resource={{@resource}} @controller={{@controller}} @permission={{get-write-permission @resource}} />
+    </RegistryYield>
+
+    {{! DETAILS / IDENTIFICATION }}
+    <ContentPanel @title={{t "trailer.sections.details"}} @open={{true}} @wrapperClass="bordered-top">
+        <div class="flex flex-row space-x-3 mb-3">
+            <div class="flex items-center justify-start rounded-full">
+                <Image
+                    src={{or @resource.photo_url (config "defaultValues.vehicleImage")}}
+                    @fallbackSrc={{config "defaultValues.vehicleImage"}}
+                    alt={{@resource.name}}
+                    height="48"
+                    width="48"
+                    class="h-14 w-14 rounded-full shadow-sm"
+                />
+                <Attach::Tooltip @class="clean" @animation="scale" @placement="top">
+                    <InputInfo @text={{t "trailer.help.photo"}} />
+                </Attach::Tooltip>
+            </div>
+            <div>
+                <UploadButton
+                    @name={{t "trailer.fields.photo"}}
+                    @accept="image/*"
+                    @onFileAdded={{perform this.handlePhotoUpload}}
+                    @icon="upload"
+                    @size="xs"
+                    @buttonText={{t "common.upload-image"}}
+                    @disabled={{cannot-write @resource}}
+                />
+                <div class="px-1">
+                    <span class="text-gray-300 dark:text-gray-600 text-xs">{{t "common.upload-image-supported"}}</span>
+                </div>
+            </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-2 lg:grid-cols-2 lg:gap-2 no-input-group-padding text-xs">
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-1">
+                {{t "trailer.sections.identification"}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.name"}} @helpText={{t "trailer.help.name"}}>
+                <Input @value={{@resource.name}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.name"}} disabled={{cannot-write @resource}} required />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.code"}} @helpText={{t "trailer.help.code"}}>
+                <Input @value={{@resource.code}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.code"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.description"}} @wrapperClass="col-span-1 lg:col-span-2">
+                <Textarea @value={{@resource.description}} class="w-full form-input" rows="2" placeholder={{t "trailer.placeholders.description"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.classification"}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.type"}} @helpText={{t "trailer.help.type"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.typeOptions}}
+                        @selected={{find-by "value" @resource.type this.typeOptions}}
+                        @onChange={{this.setType}}
+                        @placeholder={{t "trailer.placeholders.type"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        @searchEnabled={{true}}
+                        @searchField="label"
+                        as |option|
+                    >
+                        {{option.label}}
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.status"}} @helpText={{t "trailer.help.status"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.statusOptions}}
+                        @selected={{find-by "value" @resource.status this.statusOptions}}
+                        @onChange={{set-model-attr @resource "status"}}
+                        @placeholder={{t "trailer.placeholders.status"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        as |option|
+                    >
+                        <div class="text-sm">
+                            <div class="font-semibold normalize-in-trigger">{{option.label}}</div>
+                            <div class="hide-from-trigger">{{option.description}}</div>
+                        </div>
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.body-type"}} @helpText={{t "trailer.help.body-type"}}>
+                <Input @value={{@resource.body_type}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.body-type"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.color"}}>
+                <Input @value={{@resource.color}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.color"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.category"}} @helpText={{t "trailer.help.category"}}>
+                <ModelSelect
+                    @modelName="category"
+                    @selectedModel={{@resource.category}}
+                    @query={{hash for="trailer"}}
+                    @placeholder={{t "trailer.placeholders.category"}}
+                    @triggerClass="form-select form-input"
+                    @infiniteScroll={{false}}
+                    @renderInPlace={{true}}
+                    @allowClear={{true}}
+                    @onChange={{this.setCategory}}
+                    @disabled={{cannot-write @resource}}
+                    as |model|
+                >
+                    {{model.name}}
+                </ModelSelect>
+            </InputGroup>
+
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.registration"}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.vin"}} @helpText={{t "trailer.help.vin"}}>
+                <Input @value={{@resource.vin}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.vin"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.plate-number"}}>
+                <Input @value={{@resource.plate_number}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.plate-number"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.serial-number"}}>
+                <Input @value={{@resource.serial_number}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.serial-number"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.make"}}>
+                <Input @value={{@resource.make}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.make"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.model"}}>
+                <Input @value={{@resource.model}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.model"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.year"}}>
+                <Input @value={{@resource.year}} @type="number" min="1880" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.year"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.location"}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.coordinates"}} @wrapperClass="col-span-1 lg:col-span-2" @helpText={{t "trailer.help.coordinates"}}>
+                <ModelCoordinatesInput @model={{@resource}} @disabled={{cannot-write @resource}} @autocomplete="location" />
+            </InputGroup>
+        </div>
+
+        <RegistryYield @registry="fleet-ops:component:trailer:form:details" as |RegistryComponent|>
+            <RegistryComponent @resource={{@resource}} @controller={{@controller}} @permission={{get-write-permission @resource}} />
+        </RegistryYield>
+    </ContentPanel>
+
+    {{! DIMENSIONS & CAPACITY }}
+    <ContentPanel @title={{t "trailer.sections.dimensions"}} @open={{true}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 gap-2 lg:grid-cols-2 lg:gap-2 no-input-group-padding text-xs">
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-1">
+                {{t "trailer.sections.measurement"}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.measurement-system"}} @helpText={{t "trailer.help.measurement-system"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.measurementOptions}}
+                        @selected={{find-by "value" @resource.measurement_system this.measurementOptions}}
+                        @onChange={{set-model-attr @resource "measurement_system"}}
+                        @placeholder={{t "trailer.placeholders.measurement-system"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        as |option|
+                    >
+                        <div class="text-sm">
+                            <div class="font-semibold normalize-in-trigger">{{option.label}}</div>
+                            <div class="hide-from-trigger">{{option.description}}</div>
+                        </div>
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.odometer-unit"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.odometerUnitOptions}}
+                        @selected={{find-by "value" @resource.odometer_unit this.odometerUnitOptions}}
+                        @onChange={{set-model-attr @resource "odometer_unit"}}
+                        @placeholder={{t "trailer.placeholders.odometer-unit"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        as |option|
+                    >
+                        {{option.label}}
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.odometer" unit=(or @resource.odometer_unit "")}} @helpText={{t "trailer.help.odometer"}}>
+                <Input @value={{@resource.odometer}} @type="number" min="0" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.odometer"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.dimensions-fields" unit=this.units.length}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.length" unit=this.units.length}}>
+                <Input @value={{@resource.length}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.length"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.width" unit=this.units.length}}>
+                <Input @value={{@resource.width}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.width"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.height" unit=this.units.length}}>
+                <Input @value={{@resource.height}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.height"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.cargo-volume" unit=this.units.volume}} @helpText={{t "trailer.help.cargo-volume"}}>
+                <Input @value={{@resource.cargo_volume}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.cargo-volume"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.weight" unit=this.units.weight}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.tare-weight" unit=this.units.weight}} @helpText={{t "trailer.help.tare-weight"}}>
+                <Input @value={{@resource.tare_weight}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.tare-weight"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.gvwr" unit=this.units.weight}} @helpText={{t "trailer.help.gvwr"}}>
+                <Input @value={{@resource.gvwr}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.gvwr"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.payload-capacity" unit=this.units.weight}} @helpText={{t "trailer.help.payload-capacity"}}>
+                <Input @value={{@resource.payload_capacity}} @type="number" min="0" step="0.001" class="w-full form-input" placeholder={{t "trailer.placeholders.payload-capacity"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+        </div>
+    </ContentPanel>
+
+    {{! RUNNING GEAR }}
+    <ContentPanel @title={{t "trailer.sections.running-gear"}} @open={{true}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 gap-2 lg:grid-cols-2 lg:gap-2 no-input-group-padding text-xs">
+            <InputGroup @name={{t "trailer.fields.axle-count"}}>
+                <Input @value={{@resource.axle_count}} @type="number" min="0" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.axle-count"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.tire-count"}}>
+                <Input @value={{@resource.tire_count}} @type="number" min="0" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.tire-count"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.door-count"}}>
+                <Input @value={{@resource.door_count}} @type="number" min="0" step="1" class="w-full form-input" placeholder={{t "trailer.placeholders.door-count"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.coupling-type"}} @helpText={{t "trailer.help.coupling-type"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.couplingOptions}}
+                        @selected={{find-by "value" @resource.coupling_type this.couplingOptions}}
+                        @onChange={{set-model-attr @resource "coupling_type"}}
+                        @placeholder={{t "trailer.placeholders.coupling-type"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        as |option|
+                    >
+                        {{option.label}}
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.brake-type"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.brakeOptions}}
+                        @selected={{find-by "value" @resource.brake_type this.brakeOptions}}
+                        @onChange={{set-model-attr @resource "brake_type"}}
+                        @placeholder={{t "trailer.placeholders.brake-type"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        as |option|
+                    >
+                        {{option.label}}
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <div class="grid grid-cols-2 gap-2">
+                <InputGroup @name={{t "trailer.fields.abs"}} @helpText={{t "trailer.help.abs"}}>
+                    <Toggle @isToggled={{@resource.abs_equipped}} @onToggle={{set-model-attr @resource "abs_equipped"}} @disabled={{cannot-write @resource}} />
+                </InputGroup>
+
+                <InputGroup @name={{t "trailer.fields.ebs"}} @helpText={{t "trailer.help.ebs"}}>
+                    <Toggle @isToggled={{@resource.ebs_equipped}} @onToggle={{set-model-attr @resource "ebs_equipped"}} @disabled={{cannot-write @resource}} />
+                </InputGroup>
+            </div>
+        </div>
+    </ContentPanel>
+
+    {{! REFRIGERATION }}
+    <ContentPanel @title={{t "trailer.sections.refrigeration"}} @open={{this.showRefrigeration}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 gap-2 lg:grid-cols-2 lg:gap-2 no-input-group-padding text-xs">
+            <InputGroup @name={{t "trailer.fields.refrigerated"}} @helpText={{t "trailer.help.refrigerated"}} @wrapperClass="col-span-1 lg:col-span-2">
+                <Toggle @isToggled={{@resource.refrigerated}} @onToggle={{this.toggleRefrigerated}} @disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            {{#if this.showRefrigeration}}
+                <InputGroup @name={{t "trailer.fields.temperature-min" unit=this.units.temperature}} @helpText={{t "trailer.help.temperature"}}>
+                    <Input @value={{@resource.temperature_min}} @type="number" step="0.1" class="w-full form-input" placeholder={{t "trailer.placeholders.temperature-min"}} disabled={{cannot-write @resource}} />
+                </InputGroup>
+
+                <InputGroup @name={{t "trailer.fields.temperature-max" unit=this.units.temperature}}>
+                    <Input @value={{@resource.temperature_max}} @type="number" step="0.1" class="w-full form-input" placeholder={{t "trailer.placeholders.temperature-max"}} disabled={{cannot-write @resource}} />
+                </InputGroup>
+
+                <InputGroup @name={{t "trailer.fields.reefer-hours"}} @helpText={{t "trailer.help.reefer-hours"}}>
+                    <Input @value={{@resource.reefer_engine_hours}} @type="number" min="0" step="0.1" class="w-full form-input" placeholder={{t "trailer.placeholders.reefer-hours"}} disabled={{cannot-write @resource}} />
+                </InputGroup>
+            {{/if}}
+        </div>
+    </ContentPanel>
+
+    {{! OWNERSHIP & FINANCE }}
+    <ContentPanel @title={{t "trailer.sections.ownership"}} @open={{false}} @wrapperClass="bordered-top">
+        <div class="grid grid-cols-1 gap-2 lg:grid-cols-2 lg:gap-2 no-input-group-padding text-xs">
+            <InputGroup @name={{t "trailer.fields.ownership-type"}} @helpText={{t "trailer.help.ownership-type"}}>
+                <div class="fleetbase-model-select fleetbase-power-select ember-model-select">
+                    <PowerSelect
+                        @options={{this.ownershipOptions}}
+                        @selected={{find-by "value" @resource.ownership_type this.ownershipOptions}}
+                        @onChange={{set-model-attr @resource "ownership_type"}}
+                        @placeholder={{t "trailer.placeholders.ownership-type"}}
+                        @triggerClass="form-select form-input"
+                        @disabled={{cannot-write @resource}}
+                        as |option|
+                    >
+                        {{option.label}}
+                    </PowerSelect>
+                </div>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.financing-status"}}>
+                <Input @value={{@resource.financing_status}} @type="text" class="w-full form-input" placeholder={{t "trailer.placeholders.financing-status"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.vendor"}} @helpText={{t "trailer.help.vendor"}}>
+                <ModelSelect
+                    @modelName="vendor"
+                    @selectedModel={{@resource.vendor}}
+                    @placeholder={{t "trailer.placeholders.vendor"}}
+                    @triggerClass="form-select form-input"
+                    @infiniteScroll={{false}}
+                    @renderInPlace={{true}}
+                    @allowClear={{true}}
+                    @onChange={{this.setVendor}}
+                    @disabled={{cannot-write @resource}}
+                    as |model|
+                >
+                    {{model.name}}
+                </ModelSelect>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.warranty"}} @helpText={{t "trailer.help.warranty"}}>
+                <ModelSelect
+                    @modelName="warranty"
+                    @selectedModel={{@resource.warranty}}
+                    @placeholder={{t "trailer.placeholders.warranty"}}
+                    @triggerClass="form-select form-input"
+                    @infiniteScroll={{false}}
+                    @renderInPlace={{true}}
+                    @allowClear={{true}}
+                    @onChange={{this.setWarranty}}
+                    @disabled={{cannot-write @resource}}
+                    as |model|
+                >
+                    {{or model.name (concat model.policy_number " - " model.provider)}}
+                </ModelSelect>
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.purchased-at"}}>
+                <DatePicker
+                    @value={{or (format-date-fns @resource.purchased_at "dd-MM-yyyy") null}}
+                    @onChange={{fn (mut @resource.purchased_at)}}
+                    @placeholder={{t "trailer.placeholders.date"}}
+                    @disabled={{cannot-write @resource}}
+                    class="filter-date-input w-full flex-1"
+                />
+            </InputGroup>
+
+            {{#if this.showLeaseExpiry}}
+                <InputGroup @name={{t "trailer.fields.lease-expires-at"}} @helpText={{t "trailer.help.lease-expires-at"}}>
+                    <DatePicker
+                        @value={{or (format-date-fns @resource.lease_expires_at "dd-MM-yyyy") null}}
+                        @onChange={{fn (mut @resource.lease_expires_at)}}
+                        @placeholder={{t "trailer.placeholders.date"}}
+                        @disabled={{cannot-write @resource}}
+                        class="filter-date-input w-full flex-1"
+                    />
+                </InputGroup>
+            {{/if}}
+
+            <div class="col-span-1 lg:col-span-2 text-[11px] uppercase tracking-wide text-gray-500 font-semibold mt-3">
+                {{t "trailer.sections.finance"}}
+            </div>
+
+            <InputGroup @name={{t "trailer.fields.currency"}}>
+                <CurrencySelect @currency={{this.currency}} @onCurrencyChange={{fn (mut @resource.currency)}} @triggerClass="w-full form-select" @disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.acquisition-cost"}} @helpText={{t "trailer.help.acquisition-cost"}}>
+                <MoneyInput class="w-full" @value={{@resource.acquisition_cost}} @currency={{this.currency}} @onChange={{fn (mut @resource.acquisition_cost)}} @disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.current-value"}}>
+                <MoneyInput class="w-full" @value={{@resource.current_value}} @currency={{this.currency}} @onChange={{fn (mut @resource.current_value)}} @disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.insurance-value"}}>
+                <MoneyInput class="w-full" @value={{@resource.insurance_value}} @currency={{this.currency}} @onChange={{fn (mut @resource.insurance_value)}} @disabled={{cannot-write @resource}} />
+            </InputGroup>
+
+            <InputGroup @name={{t "trailer.fields.depreciation-rate"}} @helpText={{t "trailer.help.depreciation-rate"}}>
+                <Input @value={{@resource.depreciation_rate}} @type="number" min="0" max="100" step="0.01" class="w-full form-input" placeholder={{t "trailer.placeholders.depreciation-rate"}} disabled={{cannot-write @resource}} />
+            </InputGroup>
+        </div>
+    </ContentPanel>
+
+    {{! NOTES }}
+    <ContentPanel @title={{t "trailer.sections.notes"}} @open={{false}} @wrapperClass="bordered-top">
+        <InputGroup @name={{t "trailer.fields.notes"}} @wrapperClass="no-input-group-padding">
+            <Textarea @value={{@resource.notes}} class="w-full form-input" rows="4" placeholder={{t "trailer.placeholders.notes"}} disabled={{cannot-write @resource}} />
+        </InputGroup>
+    </ContentPanel>
+
+    <CustomField::Yield @subject={{@resource}} @wrapperClass="bordered-top" />
+
+    <RegistryYield @registry="fleet-ops:component:trailer:form:end" as |RegistryComponent|>
+        <RegistryComponent @resource={{@resource}} @controller={{@controller}} @permission={{get-write-permission @resource}} />
+    </RegistryYield>
+</div>
diff --git a/addon/components/trailer/form.js b/addon/components/trailer/form.js
new file mode 100644
index 000000000..902c06df9
--- /dev/null
+++ b/addon/components/trailer/form.js
@@ -0,0 +1,165 @@
+import Component from '@glimmer/component';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+/**
+ * Stable trailer classification values. Mirrors `Trailer::TYPES` on the server.
+ */
+export const TRAILER_TYPES = [
+    'dry_van',
+    'reefer',
+    'flatbed',
+    'step_deck',
+    'lowboy',
+    'tanker',
+    'bulk',
+    'dump',
+    'chassis',
+    'curtain_side',
+    'car_carrier',
+    'livestock',
+    'logging',
+    'dolly',
+    'specialty',
+    'other',
+];
+
+/**
+ * Lifecycle statuses. Mirrors `Trailer::STATUSES` on the server.
+ */
+export const TRAILER_STATUSES = ['available', 'in_use', 'maintenance', 'out_of_service', 'retired'];
+
+/**
+ * Ownership arrangements. Mirrors `Trailer::OWNERSHIP_TYPES` on the server.
+ */
+export const TRAILER_OWNERSHIP_TYPES = ['owned', 'leased', 'financed', 'rented'];
+
+export const TRAILER_COUPLING_TYPES = ['fifth_wheel', 'pintle_hook', 'ball_hitch', 'gooseneck', 'drawbar', 'other'];
+export const TRAILER_BRAKE_TYPES = ['air', 'electric', 'hydraulic_surge', 'none', 'other'];
+export const TRAILER_MEASUREMENT_SYSTEMS = ['metric', 'imperial'];
+export const TRAILER_ODOMETER_UNITS = ['km', 'mi'];
+
+export default class TrailerFormComponent extends Component {
+    @service fetch;
+    @service currentUser;
+    @service notifications;
+    @service intl;
+
+    get typeOptions() {
+        return TRAILER_TYPES.map((value) => ({ value, label: this.intl.t(`trailer.types.${value}`) }));
+    }
+
+    get statusOptions() {
+        return TRAILER_STATUSES.map((value) => ({ value, label: this.intl.t(`trailer.statuses.${value}`), description: this.intl.t(`trailer.status-descriptions.${value}`) }));
+    }
+
+    get measurementOptions() {
+        return TRAILER_MEASUREMENT_SYSTEMS.map((value) => ({
+            value,
+            label: this.intl.t(`trailer.measurement.${value}`),
+            description: this.intl.t(`trailer.measurement-descriptions.${value}`),
+        }));
+    }
+
+    get odometerUnitOptions() {
+        return TRAILER_ODOMETER_UNITS.map((value) => ({ value, label: this.intl.t(`trailer.odometer-units.${value}`) }));
+    }
+
+    get couplingOptions() {
+        return TRAILER_COUPLING_TYPES.map((value) => ({ value, label: this.intl.t(`trailer.coupling-types.${value}`) }));
+    }
+
+    get brakeOptions() {
+        return TRAILER_BRAKE_TYPES.map((value) => ({ value, label: this.intl.t(`trailer.brake-types.${value}`) }));
+    }
+
+    get ownershipOptions() {
+        return TRAILER_OWNERSHIP_TYPES.map((value) => ({ value, label: this.intl.t(`trailer.ownership-types.${value}`) }));
+    }
+
+    /**
+     * Unit suffixes shown next to dimensional inputs, derived from the selected
+     * measurement system so operators always know which unit a value is stored in.
+     */
+    get units() {
+        const system = this.args.resource?.measurement_system === 'imperial' ? 'imperial' : 'metric';
+
+        return {
+            length: this.intl.t(`trailer.units.length-${system}`),
+            weight: this.intl.t(`trailer.units.weight-${system}`),
+            volume: this.intl.t(`trailer.units.volume-${system}`),
+            temperature: this.intl.t(`trailer.units.temperature-${system}`),
+        };
+    }
+
+    /**
+     * Reefer settings only make sense for temperature-controlled trailers.
+     */
+    get showRefrigeration() {
+        const resource = this.args.resource;
+
+        return Boolean(resource?.refrigerated) || resource?.type === 'reefer';
+    }
+
+    /**
+     * Lease expiry is only meaningful when the trailer is not owned outright.
+     */
+    get showLeaseExpiry() {
+        return ['leased', 'rented', 'financed'].includes(this.args.resource?.ownership_type);
+    }
+
+    get currency() {
+        return this.args.resource?.currency || this.currentUser?.company?.currency || this.currentUser?.currency || 'USD';
+    }
+
+    @action setType(option) {
+        this.args.resource.type = option?.value ?? null;
+
+        if (option?.value === 'reefer' && this.args.resource.refrigerated !== true) {
+            this.args.resource.refrigerated = true;
+        }
+    }
+
+    @action toggleRefrigerated(value) {
+        this.args.resource.refrigerated = Boolean(value);
+    }
+
+    @action setVendor(vendor) {
+        this.args.resource.vendor = vendor;
+        this.args.resource.vendor_uuid = vendor?.id ?? null;
+    }
+
+    @action setWarranty(warranty) {
+        this.args.resource.warranty = warranty;
+        this.args.resource.warranty_uuid = warranty?.id ?? null;
+    }
+
+    @action setCategory(category) {
+        this.args.resource.category = category;
+        this.args.resource.category_uuid = category?.id ?? null;
+    }
+
+    @task *handlePhotoUpload(file) {
+        try {
+            yield this.fetch.uploadFile.perform(
+                file,
+                {
+                    path: `uploads/${this.currentUser.companyId}/trailers/${this.args.resource.id}`,
+                    subject_uuid: this.args.resource.id,
+                    subject_type: 'fleet-ops:trailer',
+                    type: 'trailer_photo',
+                },
+                (uploadedFile) => {
+                    this.args.resource.setProperties({
+                        photo_uuid: uploadedFile.id,
+                        photo_url: uploadedFile.url,
+                        photo: uploadedFile,
+                    });
+                }
+            );
+        } catch (error) {
+            this.notifications.error(this.intl.t('trailer.prompts.photo-upload-error', { message: error.message }));
+        }
+    }
+}
diff --git a/addon/components/trailer/panel-header.hbs b/addon/components/trailer/panel-header.hbs
new file mode 100644
index 000000000..935d1b20f
--- /dev/null
+++ b/addon/components/trailer/panel-header.hbs
@@ -0,0 +1,45 @@
+<div class="px-4 py-2">
+    <div class="flex flex-1 flex-row items-start justify-between">
+        <div class="flex flex-row space-x-3">
+            <div class="flex items-start justify-start rounded-full">
+                <Image
+                    src={{or @resource.photo_url (config "defaultValues.vehicleImage")}}
+                    @fallbackSrc={{config "defaultValues.vehicleImage"}}
+                    alt={{@resource.displayName}}
+                    height="48"
+                    width="48"
+                    class="h-14 w-14 rounded-full shadow-sm"
+                />
+                <Attach::Tooltip @class="clean" @animation="scale" @placement="top">
+                    <InputInfo @text={{@resource.displayName}} />
+                </Attach::Tooltip>
+            </div>
+            <div class="flex flex-col">
+                <h1 class="text-gray-900 dark:text-white font-semibold text-2xl">{{@resource.displayName}}</h1>
+                <div class="-mt-1 text-sm text-gray-700 dark:text-gray-400">
+                    {{#if @resource.type}}{{t (concat "trailer.types." @resource.type)}}{{/if}}
+                    {{#if (or @resource.plate_number @resource.code)}}<span class="mx-1">·</span>{{or @resource.plate_number @resource.code}}{{/if}}
+                </div>
+                <div class="mt-1 flex flex-row items-center space-x-2">
+                    <Badge @status={{@resource.status}} @text={{t (concat "trailer.statuses." (or @resource.status "available"))}} />
+                    <Badge @status={{if @resource.isAttached "attached" "detached"}} @icon={{if @resource.isAttached "link" "link-slash"}} @text={{t (concat "trailer.attachment." (if @resource.isAttached "attached" "detached"))}} />
+                    <Badge @status={{or @resource.connectivity_status "never_connected"}} @text={{t (concat "trailer.connectivity." (or @resource.connectivity_status "never_connected"))}} />
+                </div>
+            </div>
+        </div>
+        <div class="next-view-header-right">
+            <Layout::Resource::Panel::HeaderActions
+                @resource={{@resource}}
+                @saveTask={{@saveTask}}
+                @saveOptions={{@saveOptions}}
+                @saveDisabled={{@saveDisabled}}
+                @pojoResource={{@pojoResource}}
+                @authSchema={{@authSchema}}
+                @actionButtons={{@actionButtons}}
+                @onPressCancel={{@onPressCancel}}
+            >
+                {{yield}}
+            </Layout::Resource::Panel::HeaderActions>
+        </div>
+    </div>
+</div>
diff --git a/addon/components/trailer/panel-header.js b/addon/components/trailer/panel-header.js
new file mode 100644
index 000000000..ca559d651
--- /dev/null
+++ b/addon/components/trailer/panel-header.js
@@ -0,0 +1,3 @@
+import Component from '@glimmer/component';
+
+export default class TrailerPanelHeaderComponent extends Component {}
diff --git a/addon/components/vehicle/details/equipment.hbs b/addon/components/vehicle/details/equipment.hbs
new file mode 100644
index 000000000..edf8f2a68
--- /dev/null
+++ b/addon/components/vehicle/details/equipment.hbs
@@ -0,0 +1,52 @@
+<div class="vehicle-details-equipment p-4">
+    <div class="flex flex-row items-center justify-between mb-3">
+        <div>
+            <h3 class="text-sm font-semibold text-gray-900 dark:text-gray-100">{{t "resource.equipment"}}</h3>
+            <p class="text-xs text-gray-500 dark:text-gray-400">{{t "vehicle.equipment.description"}}</p>
+        </div>
+        <Button @icon="plus" @text={{t "vehicle.actions.attach-equipment"}} @size="xs" @type="primary" @onClick={{this.attach}} @permission="fleet-ops update vehicle" />
+    </div>
+
+    {{#if this.loadEquipment.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.equipment.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.name"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.type"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.serial-number"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "common.status"}}</th>
+                        <th class="py-2"></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.equipment as |item|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800">
+                            <td class="py-2 pr-4 font-medium">{{or item.name item.public_id}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (smart-humanize item.type)}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (or item.serial_number item.code)}}</td>
+                            <td class="py-2 pr-4"><Badge @status={{item.status}} /></td>
+                            <td class="py-2">
+                                <div class="flex flex-row items-center justify-end space-x-1">
+                                    <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.view item}} @permission="fleet-ops view equipment" />
+                                    <Button @icon="unlink" @size="xs" @type="danger" @helpText={{t "vehicle.actions.detach-equipment"}} @onClick={{fn this.detach item}} @permission="fleet-ops update vehicle" />
+                                </div>
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="toolbox" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "vehicle.empty.equipment"}}</p>
+            <p class="text-xs">{{t "vehicle.empty.equipment-description"}}</p>
+            <Button @text={{t "vehicle.actions.attach-equipment"}} @icon="plus" @size="xs" @type="primary" class="mt-3" @onClick={{this.attach}} @permission="fleet-ops update vehicle" />
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/vehicle/details/equipment.js b/addon/components/vehicle/details/equipment.js
new file mode 100644
index 000000000..a3369e483
--- /dev/null
+++ b/addon/components/vehicle/details/equipment.js
@@ -0,0 +1,55 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+/**
+ * Equipment currently equipped to a vehicle, with attach/detach controls.
+ */
+export default class VehicleDetailsEquipmentComponent extends Component {
+    @service store;
+    @service notifications;
+    @service equipmentActions;
+    @service vehicleActions;
+    @tracked equipment = [];
+
+    get vehicle() {
+        return this.args.resource ?? this.args.vehicle;
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadEquipment.perform();
+    }
+
+    @task *loadEquipment() {
+        try {
+            const equipment = yield this.store.query('equipment', {
+                equipable_type: 'fleet-ops:vehicle',
+                equipable: this.vehicle.public_id ?? this.vehicle.id,
+                sort: '-created_at',
+            });
+
+            this.equipment = Array.from(equipment ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action attach() {
+        return this.vehicleActions.attachEquipment(this.vehicle, { callback: () => this.loadEquipment.perform() });
+    }
+
+    @action detach(equipment) {
+        return this.vehicleActions.detachEquipment(this.vehicle, equipment, { callback: () => this.loadEquipment.perform() });
+    }
+
+    @action view(equipment) {
+        if (this.equipmentActions.panel?.view) {
+            return this.equipmentActions.panel.view(equipment);
+        }
+
+        return this.equipmentActions.transition.view(equipment);
+    }
+}
diff --git a/addon/components/vehicle/details/trailers.hbs b/addon/components/vehicle/details/trailers.hbs
new file mode 100644
index 000000000..d416a7c21
--- /dev/null
+++ b/addon/components/vehicle/details/trailers.hbs
@@ -0,0 +1,58 @@
+<div class="vehicle-details-trailers p-4">
+    <div class="flex flex-row items-center justify-between mb-3">
+        <div>
+            <h3 class="text-sm font-semibold text-gray-900 dark:text-gray-100">{{t "resource.trailers"}}</h3>
+            <p class="text-xs text-gray-500 dark:text-gray-400">{{t "vehicle.trailers.description"}}</p>
+        </div>
+        <Button @icon="link" @text={{t "vehicle.actions.attach-trailer"}} @size="xs" @type="primary" @onClick={{this.attach}} @permission="fleet-ops attach-vehicle-for trailer" />
+    </div>
+
+    {{#if this.loadTrailers.isRunning}}
+        <div class="flex items-center justify-center py-10">
+            <Spinner />
+        </div>
+    {{else if this.trailers.length}}
+        <div class="overflow-x-auto">
+            <table class="min-w-full text-xs">
+                <thead>
+                    <tr class="border-b border-gray-200 dark:border-gray-700">
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "resource.trailer"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.type"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.plate-number"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.position"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.attached-at"}}</th>
+                        <th class="text-left py-2 pr-4 font-semibold text-gray-500 uppercase tracking-wide">{{t "trailer.fields.connectivity"}}</th>
+                        <th class="py-2"></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {{#each this.trailers as |trailer|}}
+                        <tr class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800">
+                            <td class="py-2 pr-4 font-medium">
+                                <a href="javascript:;" class="text-blue-600 dark:text-blue-400 hover:opacity-50" {{on "click" (fn this.view trailer)}}>{{trailer.displayName}}</a>
+                            </td>
+                            <td class="py-2 pr-4 text-gray-500">{{#if trailer.type}}{{t (concat "trailer.types." trailer.type)}}{{else}}-{{/if}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a trailer.plate_number}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a trailer.current_connection.position}}</td>
+                            <td class="py-2 pr-4 text-gray-500">{{n-a (format-date-fns trailer.attached_at "dd MMM yyyy, HH:mm")}}</td>
+                            <td class="py-2 pr-4"><Badge @status={{or trailer.connectivity_status "never_connected"}} @text={{t (concat "trailer.connectivity." (or trailer.connectivity_status "never_connected"))}} /></td>
+                            <td class="py-2">
+                                <div class="flex flex-row items-center justify-end space-x-1">
+                                    <Button @icon="eye" @size="xs" @helpText={{t "common.view"}} @onClick={{fn this.view trailer}} @permission="fleet-ops view trailer" />
+                                    <Button @icon="unlink" @size="xs" @type="danger" @helpText={{t "trailer.actions.detach-vehicle"}} @onClick={{fn this.detach trailer}} @permission="fleet-ops detach-vehicle-for trailer" />
+                                </div>
+                            </td>
+                        </tr>
+                    {{/each}}
+                </tbody>
+            </table>
+        </div>
+    {{else}}
+        <div class="flex flex-col items-center justify-center py-10 text-gray-400 dark:text-gray-600">
+            <FaIcon @icon="trailer" @size="2x" class="mb-3" />
+            <p class="text-sm font-semibold text-gray-600 dark:text-gray-300">{{t "vehicle.empty.trailers"}}</p>
+            <p class="text-xs">{{t "vehicle.empty.trailers-description"}}</p>
+            <Button @text={{t "vehicle.actions.attach-trailer"}} @icon="link" @size="xs" @type="primary" class="mt-3" @onClick={{this.attach}} @permission="fleet-ops attach-vehicle-for trailer" />
+        </div>
+    {{/if}}
+</div>
diff --git a/addon/components/vehicle/details/trailers.js b/addon/components/vehicle/details/trailers.js
new file mode 100644
index 000000000..02b657157
--- /dev/null
+++ b/addon/components/vehicle/details/trailers.js
@@ -0,0 +1,55 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+/**
+ * Trailers currently coupled to a vehicle, with attach/detach controls.
+ */
+export default class VehicleDetailsTrailersComponent extends Component {
+    @service store;
+    @service notifications;
+    @service trailerActions;
+    @service vehicleActions;
+    @tracked trailers = [];
+
+    get vehicle() {
+        return this.args.resource ?? this.args.vehicle;
+    }
+
+    constructor() {
+        super(...arguments);
+        this.loadTrailers.perform();
+    }
+
+    @task *loadTrailers() {
+        try {
+            const trailers = yield this.store.query('trailer', {
+                vehicle: this.vehicle.id,
+                attachment_state: 'attached',
+                sort: '-created_at',
+            });
+
+            this.trailers = Array.from(trailers ?? []);
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action attach() {
+        return this.vehicleActions.attachTrailer(this.vehicle, { callback: () => this.loadTrailers.perform() });
+    }
+
+    @action detach(trailer) {
+        return this.trailerActions.detachVehicle(trailer, { callback: () => this.loadTrailers.perform() });
+    }
+
+    @action view(trailer) {
+        if (this.trailerActions.panel?.view) {
+            return this.trailerActions.panel.view(trailer);
+        }
+
+        return this.trailerActions.transition.view(trailer);
+    }
+}
diff --git a/addon/components/work-order/form.js b/addon/components/work-order/form.js
index b89f1e22d..2a97c047b 100644
--- a/addon/components/work-order/form.js
+++ b/addon/components/work-order/form.js
@@ -1,6 +1,7 @@
 import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 import { action } from '@ember/object';
+import { inject as service } from '@ember/service';
 import { workOrderCategories, workOrderStatuses } from '../../utils/fleet-ops-options';
 
 /**
@@ -9,6 +10,7 @@ import { workOrderCategories, workOrderStatuses } from '../../utils/fleet-ops-op
  */
 const TYPE_TO_MODEL = {
     'fleet-ops:vehicle': 'vehicle',
+    'fleet-ops:trailer': 'trailer',
     'fleet-ops:equipment': 'equipment',
     'fleet-ops:vendor': 'vendor',
     'fleet-ops:contact': 'contact',
@@ -22,9 +24,11 @@ const TYPE_TO_MODEL = {
  */
 const TARGET_MODEL_TO_TYPE = {
     'maintenance-subject-vehicle': 'fleet-ops:vehicle',
+    'maintenance-subject-trailer': 'fleet-ops:trailer',
     'maintenance-subject-equipment': 'fleet-ops:equipment',
     // Fall-through for raw models passed from vehicle-actions.js
     vehicle: 'fleet-ops:vehicle',
+    trailer: 'fleet-ops:trailer',
     equipment: 'fleet-ops:equipment',
 };
 
@@ -42,6 +46,7 @@ const ASSIGNEE_MODEL_TO_TYPE = {
 };
 
 export default class WorkOrderFormComponent extends Component {
+    @service intl;
     /** Status options for work orders. */
     statusOptions = workOrderStatuses;
 
@@ -54,10 +59,13 @@ export default class WorkOrderFormComponent extends Component {
     /**
      * Polymorphic target type options — the asset a work order is raised against.
      */
-    targetTypeOptions = [
-        { value: 'fleet-ops:vehicle', label: 'Vehicle' },
-        { value: 'fleet-ops:equipment', label: 'Equipment' },
-    ];
+    get targetTypeOptions() {
+        return [
+            { value: 'fleet-ops:vehicle', label: this.intl.t('resource.vehicle') },
+            { value: 'fleet-ops:trailer', label: this.intl.t('resource.trailer') },
+            { value: 'fleet-ops:equipment', label: this.intl.t('resource.equipment') },
+        ];
+    }
 
     /**
      * Polymorphic assignee type options — who is responsible for completing
diff --git a/addon/controllers/connectivity/devices/index.js b/addon/controllers/connectivity/devices/index.js
index e457adcd9..dcb7c2536 100644
--- a/addon/controllers/connectivity/devices/index.js
+++ b/addon/controllers/connectivity/devices/index.js
@@ -14,6 +14,7 @@ export default class ConnectivityDevicesIndexController extends Controller {
     @service notifications;
     @service store;
     @service vehicleActions;
+    @service trailerActions;
 
     /** query params */
     @tracked queryParams = [
diff --git a/addon/controllers/connectivity/devices/index/details.js b/addon/controllers/connectivity/devices/index/details.js
index 7dab89cab..9e4835d45 100644
--- a/addon/controllers/connectivity/devices/index/details.js
+++ b/addon/controllers/connectivity/devices/index/details.js
@@ -17,7 +17,7 @@ export default class ConnectivityDevicesIndexDetailsController extends Controlle
             },
             {
                 route: 'connectivity.devices.index.details.vehicle',
-                label: this.intl.t('resource.vehicle'),
+                label: this.intl.t('device.attachment.asset'),
             },
             {
                 route: 'connectivity.devices.index.details.sensors',
@@ -44,7 +44,7 @@ export default class ConnectivityDevicesIndexDetailsController extends Controlle
                 renderInPlace: true,
                 items: [
                     {
-                        text: this.intl.t('device.actions.attach-to-vehicle'),
+                        text: this.intl.t('device.actions.attach-to-asset'),
                         icon: 'link',
                         fn: () => this.deviceActions.attachToVehicle(this.model),
                         permission: 'fleet-ops update device',
@@ -52,7 +52,7 @@ export default class ConnectivityDevicesIndexDetailsController extends Controlle
                     ...(this.model.attachable_uuid || this.model.attached_to_name || this.model.attachable
                         ? [
                               {
-                                  text: this.intl.t('device.actions.detach-from-vehicle'),
+                                  text: this.intl.t('device.attachment.detach'),
                                   icon: 'unlink',
                                   fn: () => this.deviceActions.detachFromVehicle(this.model),
                                   permission: 'fleet-ops update device',
diff --git a/addon/controllers/connectivity/devices/index/details/vehicle.js b/addon/controllers/connectivity/devices/index/details/vehicle.js
index ee9fe0fa3..0cd1d6ecb 100644
--- a/addon/controllers/connectivity/devices/index/details/vehicle.js
+++ b/addon/controllers/connectivity/devices/index/details/vehicle.js
@@ -9,6 +9,7 @@ export default class ConnectivityDevicesIndexDetailsVehicleController extends Co
     @service intl;
     @service mapManager;
     @service vehicleActions;
+    @service trailerActions;
 
     @tracked queryParams = [];
 
@@ -20,6 +21,10 @@ export default class ConnectivityDevicesIndexDetailsVehicleController extends Co
         return this.device?.attachable;
     }
 
+    get isTrailer() {
+        return `${this.device?.attachable_type ?? ''}`.toLowerCase().includes('trailer');
+    }
+
     get positions() {
         return Array.from(this.model?.positions ?? []);
     }
@@ -86,12 +91,18 @@ export default class ConnectivityDevicesIndexDetailsVehicleController extends Co
 
     @action openVehicle() {
         if (this.vehicle?.id) {
+            if (this.isTrailer) {
+                return this.trailerActions.transition.view(this.vehicle);
+            }
             return this.hostRouter.transitionTo('console.fleet-ops.management.vehicles.index.details', this.vehicle.public_id);
         }
     }
 
     @action openVehiclePositions() {
         if (this.vehicle?.id) {
+            if (this.isTrailer) {
+                return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index.details.positions', this.vehicle.public_id);
+            }
             return this.hostRouter.transitionTo('console.fleet-ops.management.vehicles.index.details.positions', this.vehicle.public_id);
         }
     }
diff --git a/addon/controllers/connectivity/telematics/details/attachments.js b/addon/controllers/connectivity/telematics/details/attachments.js
index 16b9429b8..c86412271 100644
--- a/addon/controllers/connectivity/telematics/details/attachments.js
+++ b/addon/controllers/connectivity/telematics/details/attachments.js
@@ -57,32 +57,33 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
         return this.syncedDevices.filter((device) => !device.attachable_uuid).length;
     }
 
-    get mappedVehiclesCount() {
+    get mappedAssetsCount() {
         const vehicleIds = new Set(this.syncedDevices.filter((device) => device.attachable_uuid).map((device) => device.attachable_uuid));
 
         return vehicleIds.size;
     }
 
-    get vehicleGroups() {
+    get assetGroups() {
         const groups = new Map();
 
         for (const device of this.attachedDevices) {
-            this.addDeviceToVehicleGroup(groups, device);
+            this.addDeviceToAssetGroup(groups, device);
         }
 
-        return this.sortVehicleGroups(groups);
+        return this.sortAssetGroups(groups);
     }
 
-    addDeviceToVehicleGroup(groups, device) {
+    addDeviceToAssetGroup(groups, device) {
         const key = device.attachable_uuid;
 
         if (!groups.has(key)) {
-            const vehicle = device.attachable;
+            const asset = device.attachable;
 
             groups.set(key, {
                 id: key,
-                name: this.getDeviceVehicleName(device),
-                vehicle,
+                name: this.getDeviceAssetName(device),
+                asset,
+                attachableType: device.attachable_type,
                 devices: [],
             });
         }
@@ -90,7 +91,7 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
         groups.get(key).devices.push(device);
     }
 
-    sortVehicleGroups(groups) {
+    sortAssetGroups(groups) {
         return Array.from(groups.values()).sort((a, b) => String(a.name).localeCompare(String(b.name)));
     }
 
@@ -146,11 +147,11 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
     }
 
     get hasOnlyUnattachedDevices() {
-        return this.unattachedDevices.length > 0 && this.vehicleGroups.length === 0 && !this.hasActiveFilters;
+        return this.unattachedDevices.length > 0 && this.assetGroups.length === 0 && !this.hasActiveFilters;
     }
 
     get allMapped() {
-        return this.hasSyncedDevices && this.unattachedDevices.length === 0 && this.vehicleGroups.length > 0 && !this.hasActiveFilters;
+        return this.hasSyncedDevices && this.unattachedDevices.length === 0 && this.assetGroups.length > 0 && !this.hasActiveFilters;
     }
 
     get emptyStateVariant() {
@@ -234,7 +235,7 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
     get metrics() {
         return [
             { label: 'Synced devices', value: this.totalSyncedDevices, icon: 'microchip', accentClass: 'fleetops-connectivity-kpi-accent-blue' },
-            { label: 'Vehicles mapped', value: this.mappedVehiclesCount, icon: 'truck', accentClass: 'fleetops-connectivity-kpi-accent-blue' },
+            { label: 'Assets mapped', value: this.mappedAssetsCount, icon: 'truck', accentClass: 'fleetops-connectivity-kpi-accent-blue' },
             { label: 'Attached devices', value: this.attachedDevicesCount, icon: 'link', accentClass: 'fleetops-connectivity-kpi-accent-green' },
             { label: 'Unattached devices', value: this.unattachedDevicesCount, icon: 'link-slash', accentClass: 'fleetops-connectivity-kpi-accent-amber' },
             { label: 'Online devices', value: this.onlineDevicesCount, icon: 'signal', accentClass: 'fleetops-connectivity-kpi-accent-green' },
@@ -320,40 +321,20 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
             return;
         }
 
-        return this.attachDeviceToVehicle(this.selectedDevice, group.vehicle ?? { id: group.id, name: group.name });
+        return this.attachDeviceToAsset(this.selectedDevice, group.asset ?? { id: group.id, name: group.name }, group.attachableType);
     }
 
     @action openAttachDeviceModal(device) {
-        this.modalsManager.show('modals/attach-telematic-device', {
-            title: this.intl.t('device.prompts.attach-device-to-vehicle-title', { deviceName: device.displayName ?? device.name ?? device.device_id ?? this.intl.t('resource.device') }),
-            acceptButtonText: this.intl.t('device.actions.attach-to-vehicle'),
-            device,
-            selectedVehicle: null,
-            confirm: async (modal) => {
-                const selectedVehicle = modal.getOption('selectedVehicle');
-                if (!selectedVehicle) {
-                    return;
-                }
-
-                modal.startLoading();
-
-                try {
-                    await this.attachDeviceToVehicle(device, selectedVehicle);
-                    modal.done();
-                } catch (error) {
-                    this.notifications.serverError(error);
-                    modal.stopLoading();
-                }
-            },
-        });
+        return this.deviceActions.attachToAsset(device, { callback: this.refresh });
     }
 
-    async attachDeviceToVehicle(device, selectedVehicle) {
-        const response = await this.fetch.post(`devices/${device.id}/attach`, { vehicle: selectedVehicle.id });
+    async attachDeviceToAsset(device, selectedAsset, attachableType) {
+        const normalizedType = `${attachableType ?? ''}`.toLowerCase().includes('trailer') ? 'fleet-ops:trailer' : 'fleet-ops:vehicle';
+        const response = await this.fetch.post(`devices/${device.id}/attach`, { attachable_type: normalizedType, attachable: selectedAsset.id });
 
-        this.applyDeviceAttachment(device, selectedVehicle, response?.device);
+        this.applyDeviceAttachment(device, selectedAsset, response?.device, normalizedType);
         this.selectedDevice = null;
-        this.notifications.success(this.intl.t('device.prompts.attach-to-vehicle-success'));
+        this.notifications.success(this.intl.t('device.prompts.attach-to-asset-success'));
     }
 
     @action detachDevice(device) {
@@ -369,7 +350,7 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
                     const response = await this.fetch.post(`devices/${device.id}/detach`);
 
                     this.applyDeviceDetachment(device, response?.device);
-                    this.notifications.success(this.intl.t('device.prompts.detach-from-vehicle-success'));
+                    this.notifications.success(this.intl.t('device.prompts.detach-from-asset-success'));
                     modal.done();
                 } catch (error) {
                     this.notifications.serverError(error);
@@ -379,16 +360,16 @@ export default class ConnectivityTelematicsDetailsAttachmentsController extends
         });
     }
 
-    getDeviceVehicleName(device) {
-        return device.attached_to_name ?? device.attachable?.display_name ?? device.attachable?.name ?? 'Unknown vehicle';
+    getDeviceAssetName(device) {
+        return device.attached_to_name ?? device.attachable?.display_name ?? device.attachable?.name ?? this.intl.t('device.attachment.unknown');
     }
 
-    applyDeviceAttachment(device, selectedVehicle, serverDevice = {}) {
+    applyDeviceAttachment(device, selectedAsset, serverDevice = {}, attachableType = 'fleet-ops:vehicle') {
         this.updateDevice(device, {
-            attachable_uuid: serverDevice.attachable_uuid ?? selectedVehicle.id,
-            attachable_type: serverDevice.attachable_type ?? 'fleet-ops:vehicle',
-            attached_to_name: serverDevice.attached_to_name ?? selectedVehicle.displayName ?? selectedVehicle.display_name ?? selectedVehicle.name,
-            attachable: serverDevice.attachable ?? selectedVehicle,
+            attachable_uuid: serverDevice.attachable_uuid ?? selectedAsset.id,
+            attachable_type: serverDevice.attachable_type ?? attachableType,
+            attached_to_name: serverDevice.attached_to_name ?? selectedAsset.displayName ?? selectedAsset.display_name ?? selectedAsset.name,
+            attachable: serverDevice.attachable ?? selectedAsset,
         });
     }
 
diff --git a/addon/controllers/connectivity/telematics/details/devices.js b/addon/controllers/connectivity/telematics/details/devices.js
index 3f1ae8dfe..f12fa5a4b 100644
--- a/addon/controllers/connectivity/telematics/details/devices.js
+++ b/addon/controllers/connectivity/telematics/details/devices.js
@@ -16,6 +16,7 @@ export default class ConnectivityTelematicsDetailsDevicesController extends Cont
     @service notifications;
     @service store;
     @service vehicleActions;
+    @service trailerActions;
 
     @tracked queryParams = [
         'page',
diff --git a/addon/controllers/management/trailers/index.js b/addon/controllers/management/trailers/index.js
new file mode 100644
index 000000000..6c9c71aa6
--- /dev/null
+++ b/addon/controllers/management/trailers/index.js
@@ -0,0 +1,585 @@
+import Controller from '@ember/controller';
+import { action } from '@ember/object';
+import { inject as service } from '@ember/service';
+import { tracked } from '@glimmer/tracking';
+import { TRAILER_TYPES, TRAILER_STATUSES, TRAILER_OWNERSHIP_TYPES } from '../../../components/trailer/form';
+
+export default class ManagementTrailersIndexController extends Controller {
+    @service trailerActions;
+    @service vehicleActions;
+    @service vendorActions;
+    @service tableContext;
+    @service intl;
+    @service appCache;
+    @service store;
+
+    /** query params */
+    @tracked queryParams = [
+        'page',
+        'limit',
+        'sort',
+        'query',
+        'public_id',
+        'name',
+        'code',
+        'trailer_type',
+        'status',
+        'attachment_state',
+        'vehicle',
+        'connectivity_status',
+        'trailer_make',
+        'trailer_model',
+        'trailer_year',
+        'plate_number',
+        'vin',
+        'serial_number',
+        'vendor',
+        'ownership_type',
+        'refrigerated',
+        'last_online_at',
+        'created_at',
+        'updated_at',
+    ];
+    @tracked query = null;
+    @tracked page = 1;
+    @tracked limit;
+    @tracked sort = '-created_at';
+    @tracked public_id;
+    @tracked name;
+    @tracked code;
+    @tracked trailer_type;
+    @tracked status;
+    @tracked attachment_state;
+    @tracked vehicle;
+    @tracked connectivity_status;
+    @tracked trailer_make;
+    @tracked trailer_model;
+    @tracked trailer_year;
+    @tracked plate_number;
+    @tracked vin;
+    @tracked serial_number;
+    @tracked vendor;
+    @tracked ownership_type;
+    @tracked refrigerated;
+    @tracked last_online_at;
+    @tracked created_at;
+    @tracked updated_at;
+    @tracked table;
+    @tracked layout = this.appCache.get('fleetops:trailers:layout', 'table');
+
+    /** action buttons */
+    get actionButtons() {
+        return [
+            {
+                component: 'dropdown-button',
+                icon: 'display',
+                size: 'xs',
+                items: [
+                    {
+                        label: this.intl.t('common.table-view'),
+                        icon: 'table-list',
+                        onClick: () => this.setLayout('table'),
+                    },
+                    {
+                        label: this.intl.t('common.grid-view'),
+                        icon: 'grip',
+                        onClick: () => this.setLayout('grid'),
+                    },
+                ],
+                renderInPlace: true,
+                helpText: this.intl.t('common.change-layout'),
+            },
+            {
+                icon: 'refresh',
+                onClick: this.trailerActions.refresh,
+                helpText: this.intl.t('common.refresh'),
+            },
+            {
+                text: this.intl.t('common.new'),
+                type: 'primary',
+                icon: 'plus',
+                onClick: this.trailerActions.transition.create,
+                permission: 'fleet-ops create trailer',
+            },
+            {
+                text: this.intl.t('common.import'),
+                type: 'magic',
+                icon: 'upload',
+                onClick: this.trailerActions.import,
+                permission: 'fleet-ops import trailer',
+            },
+            {
+                text: this.intl.t('common.export'),
+                icon: 'long-arrow-up',
+                iconClass: 'rotate-icon-45',
+                wrapperClass: 'hidden md:flex',
+                onClick: this.trailerActions.export,
+                permission: 'fleet-ops export trailer',
+            },
+        ];
+    }
+
+    /** bulk actions */
+    get bulkActions() {
+        const selected = this.tableContext.getSelectedRows();
+
+        return [
+            {
+                label: this.intl.t('common.delete-selected-count', { count: selected.length }),
+                class: 'text-red-500',
+                fn: this.trailerActions.bulkDelete,
+                permission: 'fleet-ops delete trailer',
+            },
+        ];
+    }
+
+    get trailerTypeOptions() {
+        return TRAILER_TYPES.map((value) => ({ value, label: this.intl.t(`trailer.types.${value}`) }));
+    }
+
+    get statusOptions() {
+        return TRAILER_STATUSES.map((value) => ({ value, label: this.intl.t(`trailer.statuses.${value}`) }));
+    }
+
+    get attachmentOptions() {
+        return ['attached', 'detached'].map((value) => ({ value, label: this.intl.t(`trailer.attachment.${value}`) }));
+    }
+
+    get connectivityOptions() {
+        return ['online', 'recently_offline', 'offline', 'never_connected'].map((value) => ({ value, label: this.intl.t(`trailer.connectivity.${value}`) }));
+    }
+
+    get ownershipOptions() {
+        return TRAILER_OWNERSHIP_TYPES.map((value) => ({ value, label: this.intl.t(`trailer.ownership-types.${value}`) }));
+    }
+
+    /** columns */
+    get columns() {
+        return [
+            {
+                sticky: true,
+                label: this.intl.t('trailer.columns.name'),
+                valuePath: 'displayName',
+                photoPath: 'photo_url',
+                cellComponent: 'cell/vehicle-identity',
+                compact: true,
+                permission: 'fleet-ops view trailer',
+                action: this.trailerActions.transition.view,
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'name',
+                showOnlineIndicator: true,
+                showStatus: false,
+            },
+            {
+                label: this.intl.t('trailer.columns.type'),
+                valuePath: 'type',
+                cellComponent: 'cell/translated-value',
+                translationPrefix: 'trailer.types',
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterParam: 'trailer_type',
+                filterComponent: 'filter/multi-option',
+                filterOptions: this.trailerTypeOptions,
+                filterOptionLabel: 'label',
+                filterOptionValue: 'value',
+                width: 130,
+            },
+            {
+                label: this.intl.t('trailer.columns.plate-number'),
+                valuePath: 'plate_number',
+                cellComponent: 'table/cell/base',
+                action: this.trailerActions.transition.view,
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'plate_number',
+            },
+            {
+                label: this.intl.t('trailer.columns.code'),
+                valuePath: 'code',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'code',
+            },
+            {
+                label: this.intl.t('trailer.columns.vehicle'),
+                valuePath: 'current_vehicle_name',
+                cellComponent: 'table/cell/anchor',
+                permission: 'fleet-ops view vehicle',
+                action: async (trailer) => {
+                    const vehicle = trailer.current_vehicle ?? (trailer.current_vehicle_id ? await this.store.findRecord('vehicle', trailer.current_vehicle_id) : null);
+
+                    if (vehicle) {
+                        return this.vehicleActions.panel.view(vehicle);
+                    }
+                },
+                emptyText: '-',
+                resizable: true,
+                filterable: true,
+                filterComponent: 'filter/model',
+                filterComponentPlaceholder: this.intl.t('trailer.placeholders.filter-vehicle'),
+                filterParam: 'vehicle',
+                model: 'vehicle',
+            },
+            {
+                label: this.intl.t('trailer.columns.attachment-state'),
+                valuePath: 'attachment_state',
+                cellComponent: 'cell/translated-value',
+                translationPrefix: 'trailer.attachment',
+                badge: true,
+                badgeIcons: { attached: 'link', detached: 'link-slash' },
+                resizable: true,
+                filterable: true,
+                filterParam: 'attachment_state',
+                filterComponent: 'filter/multi-option',
+                filterOptions: this.attachmentOptions,
+                filterOptionLabel: 'label',
+                filterOptionValue: 'value',
+                width: 120,
+            },
+            {
+                label: this.intl.t('trailer.columns.status'),
+                valuePath: 'status',
+                cellComponent: 'cell/translated-value',
+                translationPrefix: 'trailer.statuses',
+                badge: true,
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterParam: 'status',
+                filterComponent: 'filter/multi-option',
+                filterOptions: this.statusOptions,
+                filterOptionLabel: 'label',
+                filterOptionValue: 'value',
+                width: 120,
+            },
+            {
+                label: this.intl.t('trailer.columns.connectivity'),
+                valuePath: 'connectivity_status',
+                cellComponent: 'cell/translated-value',
+                translationPrefix: 'trailer.connectivity',
+                badge: true,
+                resizable: true,
+                filterable: true,
+                filterParam: 'connectivity_status',
+                filterComponent: 'filter/multi-option',
+                filterOptions: this.connectivityOptions,
+                filterOptionLabel: 'label',
+                filterOptionValue: 'value',
+                width: 140,
+            },
+            {
+                label: this.intl.t('trailer.columns.last-online'),
+                valuePath: 'lastOnlineAt',
+                sortParam: 'last_online_at',
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterParam: 'last_online_at',
+                filterLabel: this.intl.t('trailer.filters.last-online-between'),
+                filterComponent: 'filter/date',
+            },
+            {
+                label: this.intl.t('trailer.columns.location'),
+                valuePath: 'location',
+                cellComponent: 'table/cell/point',
+                onClick: this.trailerActions.locate,
+                resizable: true,
+                hidden: true,
+                filterable: false,
+                sortable: false,
+            },
+            {
+                label: this.intl.t('trailer.columns.devices'),
+                valuePath: 'devices_count',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: false,
+                filterable: false,
+                width: 90,
+            },
+            {
+                label: this.intl.t('trailer.columns.equipment'),
+                valuePath: 'equipment_count',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: false,
+                filterable: false,
+                width: 100,
+            },
+            {
+                label: this.intl.t('trailer.columns.id'),
+                valuePath: 'public_id',
+                cellComponent: 'click-to-copy',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'public_id',
+            },
+            {
+                label: this.intl.t('trailer.columns.vin'),
+                valuePath: 'vin',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'vin',
+            },
+            {
+                label: this.intl.t('trailer.columns.serial-number'),
+                valuePath: 'serial_number',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'serial_number',
+            },
+            {
+                label: this.intl.t('trailer.columns.make'),
+                valuePath: 'make',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'trailer_make',
+            },
+            {
+                label: this.intl.t('trailer.columns.model'),
+                valuePath: 'model',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'trailer_model',
+            },
+            {
+                label: this.intl.t('trailer.columns.year'),
+                valuePath: 'year',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterComponent: 'filter/string',
+                filterParam: 'trailer_year',
+            },
+            {
+                label: this.intl.t('trailer.columns.vendor'),
+                valuePath: 'vendor_name',
+                cellComponent: 'table/cell/anchor',
+                permission: 'fleet-ops view vendor',
+                action: async ({ vendor_uuid }) => {
+                    if (!vendor_uuid) {
+                        return;
+                    }
+
+                    const vendor = await this.store.findRecord('vendor', vendor_uuid);
+                    this.vendorActions.viewVendor(vendor);
+                },
+                hidden: true,
+                resizable: true,
+                filterable: true,
+                filterComponent: 'filter/model',
+                filterComponentPlaceholder: this.intl.t('trailer.placeholders.filter-vendor'),
+                filterParam: 'vendor',
+                model: 'vendor',
+            },
+            {
+                label: this.intl.t('trailer.columns.ownership'),
+                valuePath: 'ownership_type',
+                cellComponent: 'cell/translated-value',
+                translationPrefix: 'trailer.ownership-types',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterParam: 'ownership_type',
+                filterComponent: 'filter/multi-option',
+                filterOptions: this.ownershipOptions,
+                filterOptionLabel: 'label',
+                filterOptionValue: 'value',
+            },
+            {
+                label: this.intl.t('trailer.columns.axles'),
+                valuePath: 'axle_count',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: false,
+                width: 90,
+            },
+            {
+                label: this.intl.t('trailer.columns.gvwr'),
+                valuePath: 'gvwr',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: false,
+            },
+            {
+                label: this.intl.t('trailer.columns.payload-capacity'),
+                valuePath: 'payload_capacity',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: false,
+            },
+            {
+                label: this.intl.t('trailer.columns.length'),
+                valuePath: 'length',
+                cellComponent: 'table/cell/base',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: false,
+            },
+            {
+                label: this.intl.t('trailer.columns.refrigerated'),
+                valuePath: 'refrigerated',
+                cellComponent: 'table/cell/checkbox',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterParam: 'refrigerated',
+                filterComponent: 'filter/checkbox',
+                width: 110,
+            },
+            {
+                label: this.intl.t('trailer.columns.created-at'),
+                valuePath: 'createdAt',
+                sortParam: 'created_at',
+                resizable: true,
+                sortable: true,
+                filterable: true,
+                filterParam: 'created_at',
+                filterLabel: this.intl.t('trailer.filters.created-between'),
+                filterComponent: 'filter/date',
+            },
+            {
+                label: this.intl.t('trailer.columns.updated-at'),
+                valuePath: 'updatedAt',
+                sortParam: 'updated_at',
+                resizable: true,
+                sortable: true,
+                hidden: true,
+                filterable: true,
+                filterParam: 'updated_at',
+                filterLabel: this.intl.t('trailer.filters.updated-between'),
+                filterComponent: 'filter/date',
+            },
+            {
+                label: '',
+                cellComponent: 'table/cell/dropdown',
+                ddButtonText: false,
+                ddButtonIcon: 'ellipsis-h',
+                ddButtonIconPrefix: 'fas',
+                ddMenuLabel: this.intl.t('common.resource-actions', { resource: this.intl.t('resource.trailer') }),
+                cellClassNames: 'overflow-visible',
+                wrapperClass: 'flex items-center justify-end mx-2',
+                sticky: 'right',
+                width: 60,
+                actions: [
+                    {
+                        label: this.intl.t('common.view-resource', { resource: this.intl.t('resource.trailer') }),
+                        fn: this.trailerActions.transition.view,
+                        permission: 'fleet-ops view trailer',
+                    },
+                    {
+                        label: this.intl.t('common.edit-resource', { resource: this.intl.t('resource.trailer') }),
+                        fn: this.trailerActions.transition.edit,
+                        permission: 'fleet-ops update trailer',
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.locate'),
+                        fn: this.trailerActions.locate,
+                        permission: 'fleet-ops view trailer',
+                        isVisible: (trailer) => Boolean(trailer.hasValidCoordinates),
+                    },
+                    {
+                        separator: true,
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.attach-vehicle'),
+                        fn: this.trailerActions.attachVehicle,
+                        permission: 'fleet-ops attach-vehicle-for trailer',
+                        isVisible: (trailer) => trailer.attachment_state !== 'attached',
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.detach-vehicle'),
+                        fn: this.trailerActions.detachVehicle,
+                        permission: 'fleet-ops detach-vehicle-for trailer',
+                        isVisible: (trailer) => trailer.attachment_state === 'attached',
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.attach-device'),
+                        fn: this.trailerActions.attachDevice,
+                        permission: 'fleet-ops attach-device-for trailer',
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.attach-equipment'),
+                        fn: this.trailerActions.attachEquipment,
+                        permission: 'fleet-ops attach-equipment-for trailer',
+                    },
+                    {
+                        separator: true,
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.schedule-maintenance'),
+                        fn: this.trailerActions.scheduleMaintenance,
+                        permission: 'fleet-ops create maintenance-schedule',
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.create-work-order'),
+                        fn: this.trailerActions.createWorkOrder,
+                        permission: 'fleet-ops create work-order',
+                    },
+                    {
+                        label: this.intl.t('trailer.actions.log-maintenance'),
+                        fn: this.trailerActions.logMaintenance,
+                        permission: 'fleet-ops create maintenance',
+                    },
+                    {
+                        separator: true,
+                    },
+                    {
+                        label: this.intl.t('common.delete-resource', { resource: this.intl.t('resource.trailer') }),
+                        fn: this.trailerActions.delete,
+                        permission: 'fleet-ops delete trailer',
+                        class: 'text-red-500',
+                    },
+                ],
+                sortable: false,
+                filterable: false,
+                resizable: false,
+                searchable: false,
+            },
+        ];
+    }
+
+    @action setLayout(layout) {
+        this.layout = layout;
+        this.appCache.set('fleetops:trailers:layout', layout);
+    }
+}
diff --git a/addon/controllers/management/trailers/index/details.js b/addon/controllers/management/trailers/index/details.js
new file mode 100644
index 000000000..098be960f
--- /dev/null
+++ b/addon/controllers/management/trailers/index/details.js
@@ -0,0 +1,119 @@
+import Controller from '@ember/controller';
+import { inject as service } from '@ember/service';
+import { isArray } from '@ember/array';
+
+export default class ManagementTrailersIndexDetailsController extends Controller {
+    @service trailerActions;
+    @service('universe/menu-service') menuService;
+    @service hostRouter;
+    @service intl;
+
+    get tabs() {
+        const registeredTabs = this.menuService.getMenuItems('fleet-ops:component:trailer:details');
+
+        return [
+            { route: 'management.trailers.index.details.index', label: this.intl.t('trailer.tabs.overview') },
+            { route: 'management.trailers.index.details.positions', label: this.intl.t('trailer.tabs.positions') },
+            { route: 'management.trailers.index.details.devices', label: this.intl.t('trailer.tabs.devices') },
+            { route: 'management.trailers.index.details.equipment', label: this.intl.t('trailer.tabs.equipment') },
+            { route: 'management.trailers.index.details.connections', label: this.intl.t('trailer.tabs.connections') },
+            { route: 'management.trailers.index.details.schedules', label: this.intl.t('trailer.tabs.schedules') },
+            { route: 'management.trailers.index.details.work-orders', label: this.intl.t('trailer.tabs.work-orders') },
+            { route: 'management.trailers.index.details.maintenance-history', label: this.intl.t('trailer.tabs.maintenance') },
+            ...(isArray(registeredTabs) ? registeredTabs : []),
+        ];
+    }
+
+    get isAttached() {
+        return this.model?.isAttached ?? this.model?.attachment_state === 'attached';
+    }
+
+    get actionButtons() {
+        return [
+            {
+                icon: 'pencil',
+                fn: () => this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index.edit', this.model),
+                permission: 'fleet-ops update trailer',
+            },
+            {
+                // Actions dropdown — mirrors the row-level actions from the trailers index table
+                icon: 'ellipsis-h',
+                iconPrefix: 'fas',
+                renderInPlace: true,
+                items: [
+                    {
+                        text: this.intl.t('trailer.actions.locate'),
+                        icon: 'location-dot',
+                        fn: () => this.trailerActions.locate(this.model),
+                        permission: 'fleet-ops view trailer',
+                    },
+                    ...(this.isAttached
+                        ? [
+                              {
+                                  text: this.intl.t('trailer.actions.detach-vehicle'),
+                                  icon: 'unlink',
+                                  fn: () => this.trailerActions.detachVehicle(this.model),
+                                  permission: 'fleet-ops detach-vehicle-for trailer',
+                              },
+                          ]
+                        : [
+                              {
+                                  text: this.intl.t('trailer.actions.attach-vehicle'),
+                                  icon: 'link',
+                                  fn: () => this.trailerActions.attachVehicle(this.model),
+                                  permission: 'fleet-ops attach-vehicle-for trailer',
+                              },
+                          ]),
+                    {
+                        text: this.intl.t('trailer.actions.attach-device'),
+                        icon: 'microchip',
+                        fn: () => this.trailerActions.attachDevice(this.model),
+                        permission: 'fleet-ops attach-device-for trailer',
+                    },
+                    {
+                        text: this.intl.t('trailer.actions.attach-equipment'),
+                        icon: 'toolbox',
+                        fn: () => this.trailerActions.attachEquipment(this.model),
+                        permission: 'fleet-ops attach-equipment-for trailer',
+                    },
+                    {
+                        separator: true,
+                    },
+                    {
+                        text: this.intl.t('trailer.actions.schedule-maintenance'),
+                        icon: 'calendar-check',
+                        fn: () => this.trailerActions.scheduleMaintenance(this.model),
+                        permission: 'fleet-ops create maintenance-schedule',
+                    },
+                    {
+                        text: this.intl.t('trailer.actions.create-work-order'),
+                        icon: 'clipboard-list',
+                        fn: () => this.trailerActions.createWorkOrder(this.model),
+                        permission: 'fleet-ops create work-order',
+                    },
+                    {
+                        text: this.intl.t('trailer.actions.log-maintenance'),
+                        icon: 'wrench',
+                        fn: () => this.trailerActions.logMaintenance(this.model),
+                        permission: 'fleet-ops create maintenance',
+                    },
+                    {
+                        separator: true,
+                    },
+                    {
+                        text: this.intl.t('common.delete-resource', { resource: this.intl.t('resource.trailer') }),
+                        icon: 'trash',
+                        fn: () =>
+                            this.trailerActions.delete(this.model, {
+                                onConfirm: () => {
+                                    this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+                                },
+                            }),
+                        permission: 'fleet-ops delete trailer',
+                        class: 'text-red-500 hover:text-red-600',
+                    },
+                ],
+            },
+        ];
+    }
+}
diff --git a/addon/controllers/management/trailers/index/edit.js b/addon/controllers/management/trailers/index/edit.js
new file mode 100644
index 000000000..c193114c1
--- /dev/null
+++ b/addon/controllers/management/trailers/index/edit.js
@@ -0,0 +1,67 @@
+import Controller from '@ember/controller';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+export default class ManagementTrailersIndexEditController extends Controller {
+    @service hostRouter;
+    @service intl;
+    @service notifications;
+    @service modalsManager;
+    @service events;
+    @tracked overlay;
+    @tracked actionButtons = [
+        {
+            icon: 'eye',
+            fn: this.view,
+        },
+    ];
+
+    @task *save(trailer) {
+        try {
+            yield trailer.save();
+            this.events.trackResourceUpdated(trailer);
+            this.overlay?.close();
+
+            yield this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index.details', trailer);
+            this.notifications.success(
+                this.intl.t('common.resource-updated-success', {
+                    resource: this.intl.t('resource.trailer'),
+                    resourceName: trailer.displayName,
+                })
+            );
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action cancel() {
+        if (this.model.hasDirtyAttributes) {
+            return this.#confirmContinueWithUnsavedChanges(this.model);
+        }
+
+        return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+    }
+
+    @action view() {
+        if (this.model.hasDirtyAttributes) {
+            return this.#confirmContinueWithUnsavedChanges(this.model);
+        }
+
+        return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index.details', this.model);
+    }
+
+    #confirmContinueWithUnsavedChanges(trailer, options = {}) {
+        return this.modalsManager.confirm({
+            title: this.intl.t('common.continue-without-saving'),
+            body: this.intl.t('common.continue-without-saving-prompt', { resource: this.intl.t('resource.trailer') }),
+            acceptButtonText: this.intl.t('common.continue'),
+            confirm: async () => {
+                trailer.rollbackAttributes();
+                await this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index.details', trailer);
+            },
+            ...options,
+        });
+    }
+}
diff --git a/addon/controllers/management/trailers/index/new.js b/addon/controllers/management/trailers/index/new.js
new file mode 100644
index 000000000..57db91e5b
--- /dev/null
+++ b/addon/controllers/management/trailers/index/new.js
@@ -0,0 +1,43 @@
+import Controller from '@ember/controller';
+import { tracked } from '@glimmer/tracking';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+import { task } from 'ember-concurrency';
+
+const DEFAULT_PROPERTIES = { status: 'available', asset_class: 'trailer', measurement_system: 'metric' };
+
+export default class ManagementTrailersIndexNewController extends Controller {
+    @service store;
+    @service hostRouter;
+    @service intl;
+    @service notifications;
+    @service events;
+    @tracked overlay;
+    @tracked trailer = this.store.createRecord('trailer', DEFAULT_PROPERTIES);
+
+    @task *save(trailer) {
+        try {
+            yield trailer.save();
+            this.events.trackResourceCreated(trailer);
+            this.overlay?.close();
+
+            // Transition with the record so the details route renders immediately from the
+            // create response; refreshing afterwards reloads the index behind the panel.
+            yield this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index.details', trailer);
+            yield this.hostRouter.refresh();
+            this.notifications.success(
+                this.intl.t('common.resource-created-success-name', {
+                    resource: this.intl.t('resource.trailer'),
+                    resourceName: trailer.displayName,
+                })
+            );
+            this.resetForm();
+        } catch (error) {
+            this.notifications.serverError(error);
+        }
+    }
+
+    @action resetForm() {
+        this.trailer = this.store.createRecord('trailer', DEFAULT_PROPERTIES);
+    }
+}
diff --git a/addon/controllers/management/vehicles/index/details.js b/addon/controllers/management/vehicles/index/details.js
index 3e1d9b226..77d99e419 100644
--- a/addon/controllers/management/vehicles/index/details.js
+++ b/addon/controllers/management/vehicles/index/details.js
@@ -25,6 +25,14 @@ export default class ManagementVehiclesIndexDetailsController extends Controller
                 route: 'management.vehicles.index.details.devices',
                 label: 'Devices',
             },
+            {
+                route: 'management.vehicles.index.details.trailers',
+                label: this.intl.t('resource.trailers'),
+            },
+            {
+                route: 'management.vehicles.index.details.equipment',
+                label: this.intl.t('resource.equipment'),
+            },
             {
                 route: 'management.vehicles.index.details.schedules',
                 label: 'Schedules',
diff --git a/addon/controllers/settings/custom-fields.js b/addon/controllers/settings/custom-fields.js
index e37c15ec1..b0cf475cb 100644
--- a/addon/controllers/settings/custom-fields.js
+++ b/addon/controllers/settings/custom-fields.js
@@ -1,6 +1,8 @@
 import Controller from '@ember/controller';
+import { inject as service } from '@ember/service';
 
 export default class SettingsCustomFieldsController extends Controller {
+    @service intl;
     get subjects() {
         return [
             {
@@ -15,6 +17,12 @@ export default class SettingsCustomFieldsController extends Controller {
                 label: 'Vehicle',
                 groups: [],
             },
+            {
+                model: 'trailer',
+                type: 'fleet-ops:trailer',
+                label: this.intl.t('resource.trailer'),
+                groups: [],
+            },
             {
                 model: 'contact',
                 type: 'fleet-ops:contact',
diff --git a/addon/extension.js b/addon/extension.js
index a23afa40c..e5be926b9 100644
--- a/addon/extension.js
+++ b/addon/extension.js
@@ -5,6 +5,7 @@ export default {
         const menuService = universe.getService('menu');
         const registryService = universe.getService('registry');
         const widgetService = universe.getService('widget');
+        const intlService = app.lookup('service:intl');
 
         // Register header navigation
         menuService.registerHeaderMenuItem('Fleet-Ops', 'console.fleet-ops', {
@@ -36,6 +37,12 @@ export default {
                     icon: 'truck',
                     route: 'console.fleet-ops.management.vehicles',
                 },
+                {
+                    title: intlService.t('menu.trailers'),
+                    description: intlService.t('trailer.navigation-description'),
+                    icon: 'trailer',
+                    route: 'console.fleet-ops.management.trailers',
+                },
                 {
                     title: 'Fleets',
                     description: 'Organise drivers and vehicles into operational fleets.',
diff --git a/addon/routes.js b/addon/routes.js
index ce07daab9..a60c70b1a 100644
--- a/addon/routes.js
+++ b/addon/routes.js
@@ -86,6 +86,7 @@ export default buildRoutes(function () {
                     this.route('positions');
                     this.route('devices');
                     this.route('equipment');
+                    this.route('trailers');
                     this.route('schedules');
                     this.route('work-orders');
                     this.route('maintenance-history');
@@ -94,6 +95,22 @@ export default buildRoutes(function () {
                 this.route('edit', { path: '/edit/:public_id' });
             });
         });
+        this.route('trailers', function () {
+            this.route('index', { path: '/' }, function () {
+                this.route('new');
+                this.route('details', { path: '/:public_id' }, function () {
+                    this.route('index', { path: '/' });
+                    this.route('positions');
+                    this.route('devices');
+                    this.route('equipment');
+                    this.route('connections');
+                    this.route('schedules');
+                    this.route('work-orders');
+                    this.route('maintenance-history');
+                });
+                this.route('edit', { path: '/edit/:public_id' });
+            });
+        });
         this.route('places', function () {
             this.route('index', { path: '/' }, function () {
                 this.route('new');
diff --git a/addon/routes/management/trailers/index.js b/addon/routes/management/trailers/index.js
new file mode 100644
index 000000000..09fbb5ef5
--- /dev/null
+++ b/addon/routes/management/trailers/index.js
@@ -0,0 +1,41 @@
+import Route from '@ember/routing/route';
+import { inject as service } from '@ember/service';
+
+export default class ManagementTrailersIndexRoute extends Route {
+    @service store;
+
+    queryParams = {
+        page: { refreshModel: true },
+        limit: { refreshModel: true },
+        sort: { refreshModel: true },
+        query: { refreshModel: true },
+        public_id: { refreshModel: true },
+        name: { refreshModel: true },
+        code: { refreshModel: true },
+        trailer_type: { refreshModel: true },
+        status: { refreshModel: true },
+        attachment_state: { refreshModel: true },
+        vehicle: { refreshModel: true },
+        connectivity_status: { refreshModel: true },
+        trailer_make: { refreshModel: true },
+        trailer_model: { refreshModel: true },
+        trailer_year: { refreshModel: true },
+        plate_number: { refreshModel: true },
+        vin: { refreshModel: true },
+        serial_number: { refreshModel: true },
+        vendor: { refreshModel: true },
+        ownership_type: { refreshModel: true },
+        refrigerated: { refreshModel: true },
+        last_online_at: { refreshModel: true },
+        created_at: { refreshModel: true },
+        updated_at: { refreshModel: true },
+    };
+
+    model(params) {
+        // Only forward meaningful filters; blank query params would otherwise be sent as
+        // empty strings and coerced into no-op or mismatching backend filters.
+        const query = Object.fromEntries(Object.entries(params).filter(([, value]) => value !== undefined && value !== null && value !== ''));
+
+        return this.store.query('trailer', query);
+    }
+}
diff --git a/addon/routes/management/trailers/index/details.js b/addon/routes/management/trailers/index/details.js
new file mode 100644
index 000000000..94dbe73b9
--- /dev/null
+++ b/addon/routes/management/trailers/index/details.js
@@ -0,0 +1,30 @@
+import Route from '@ember/routing/route';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+
+export default class ManagementTrailersIndexDetailsRoute extends Route {
+    @service store;
+    @service notifications;
+    @service hostRouter;
+    @service abilities;
+    @service intl;
+
+    @action error(error) {
+        this.notifications.serverError(error);
+        if (typeof error?.message === 'string' && error.message.endsWith('not found')) {
+            return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+        }
+    }
+
+    beforeModel() {
+        if (this.abilities.cannot('fleet-ops view trailer')) {
+            this.notifications.warning(this.intl.t('common.unauthorized-access'));
+            return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+        }
+    }
+
+    model({ public_id }) {
+        // The details panel needs the towing state, so load the connection eagerly.
+        return this.store.queryRecord('trailer', { public_id, single: true, with: ['currentConnection.vehicle', 'category', 'vendor', 'warranty'] });
+    }
+}
diff --git a/addon/routes/management/trailers/index/details/connections.js b/addon/routes/management/trailers/index/details/connections.js
new file mode 100644
index 000000000..e8d6c649b
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/connections.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsConnectionsRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/devices.js b/addon/routes/management/trailers/index/details/devices.js
new file mode 100644
index 000000000..e0e5b47f6
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/devices.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsDevicesRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/equipment.js b/addon/routes/management/trailers/index/details/equipment.js
new file mode 100644
index 000000000..279733103
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/equipment.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsEquipmentRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/index.js b/addon/routes/management/trailers/index/details/index.js
new file mode 100644
index 000000000..ad054d5be
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/index.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsIndexRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/maintenance-history.js b/addon/routes/management/trailers/index/details/maintenance-history.js
new file mode 100644
index 000000000..bddc10241
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/maintenance-history.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsMaintenanceHistoryRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/positions.js b/addon/routes/management/trailers/index/details/positions.js
new file mode 100644
index 000000000..5cd4cd12c
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/positions.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsPositionsRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/schedules.js b/addon/routes/management/trailers/index/details/schedules.js
new file mode 100644
index 000000000..9951b4317
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/schedules.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsSchedulesRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/details/work-orders.js b/addon/routes/management/trailers/index/details/work-orders.js
new file mode 100644
index 000000000..ed1576a6d
--- /dev/null
+++ b/addon/routes/management/trailers/index/details/work-orders.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementTrailersIndexDetailsWorkOrdersRoute extends Route {}
diff --git a/addon/routes/management/trailers/index/edit.js b/addon/routes/management/trailers/index/edit.js
new file mode 100644
index 000000000..cf340b93b
--- /dev/null
+++ b/addon/routes/management/trailers/index/edit.js
@@ -0,0 +1,23 @@
+import Route from '@ember/routing/route';
+import { inject as service } from '@ember/service';
+import { action } from '@ember/object';
+export default class ManagementTrailersIndexEditRoute extends Route {
+    @service store;
+    @service notifications;
+    @service hostRouter;
+    @service abilities;
+    @service intl;
+    @action error(error) {
+        this.notifications.serverError(error);
+        return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+    }
+    beforeModel() {
+        if (this.abilities.cannot('fleet-ops update trailer')) {
+            this.notifications.warning(this.intl.t('common.unauthorized-access'));
+            return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+        }
+    }
+    model({ public_id }) {
+        return this.store.findRecord('trailer', public_id);
+    }
+}
diff --git a/addon/routes/management/trailers/index/new.js b/addon/routes/management/trailers/index/new.js
new file mode 100644
index 000000000..7809c8ea9
--- /dev/null
+++ b/addon/routes/management/trailers/index/new.js
@@ -0,0 +1,14 @@
+import Route from '@ember/routing/route';
+import { inject as service } from '@ember/service';
+export default class ManagementTrailersIndexNewRoute extends Route {
+    @service notifications;
+    @service hostRouter;
+    @service abilities;
+    @service intl;
+    beforeModel() {
+        if (this.abilities.cannot('fleet-ops create trailer')) {
+            this.notifications.warning(this.intl.t('common.unauthorized-access'));
+            return this.hostRouter.transitionTo('console.fleet-ops.management.trailers.index');
+        }
+    }
+}
diff --git a/addon/routes/management/vehicles/index/details/trailers.js b/addon/routes/management/vehicles/index/details/trailers.js
new file mode 100644
index 000000000..a0f320963
--- /dev/null
+++ b/addon/routes/management/vehicles/index/details/trailers.js
@@ -0,0 +1,2 @@
+import Route from '@ember/routing/route';
+export default class ManagementVehiclesIndexDetailsTrailersRoute extends Route {}
diff --git a/addon/services/device-actions.js b/addon/services/device-actions.js
index 1292983f6..0c8fd228e 100644
--- a/addon/services/device-actions.js
+++ b/addon/services/device-actions.js
@@ -58,7 +58,7 @@ export default class DeviceActionsService extends ResourceActionService {
                     {
                         key: 'vehicle',
                         id: 'vehicle',
-                        label: this.intl.t('resource.vehicle'),
+                        label: this.intl.t('device.attachment.asset'),
                         component: 'device/panel-tabs/vehicle',
                     },
                     {
@@ -112,26 +112,28 @@ export default class DeviceActionsService extends ResourceActionService {
         },
     };
 
-    @action attachToVehicle(device, options = {}) {
+    @action attachToAsset(device, options = {}) {
         this.modalsManager.show('modals/attach-telematic-device', {
-            title: this.intl.t('device.prompts.attach-to-vehicle-title'),
-            acceptButtonText: this.intl.t('device.actions.attach-to-vehicle'),
+            title: this.intl.t('device.prompts.attach-to-asset-title'),
+            acceptButtonText: this.intl.t('device.actions.attach-to-asset'),
             acceptButtonIcon: 'link',
             device,
-            selectedVehicle: null,
+            selectedAssetType: null,
+            selectedAsset: null,
             confirm: async (modal) => {
-                const selectedVehicle = modal.getOption('selectedVehicle');
+                const selectedAssetType = modal.getOption('selectedAssetType');
+                const selectedAsset = modal.getOption('selectedAsset');
 
-                if (!selectedVehicle) {
-                    return this.notifications.warning(this.intl.t('device.prompts.select-vehicle-warning'));
+                if (!selectedAssetType || !selectedAsset) {
+                    return this.notifications.warning(this.intl.t('device.prompts.select-asset-warning'));
                 }
 
                 modal.startLoading();
 
                 try {
-                    await this.fetch.post(`devices/${device.id}/attach`, { vehicle: selectedVehicle.id });
+                    await this.fetch.post(`devices/${device.id}/attach`, { attachable_type: selectedAssetType.value, attachable: selectedAsset.id });
                     await device.reload?.();
-                    this.notifications.success(this.intl.t('device.prompts.attach-to-vehicle-success'));
+                    this.notifications.success(this.intl.t('device.prompts.attach-to-asset-success'));
                     modal.done();
                     this.refresh();
                 } catch (error) {
@@ -143,24 +145,28 @@ export default class DeviceActionsService extends ResourceActionService {
         });
     }
 
-    @action detachFromVehicle(device, options = {}) {
+    @action attachToVehicle(device, options = {}) {
+        return this.attachToAsset(device, options);
+    }
+
+    @action detachFromAsset(device, options = {}) {
         const deviceName = device.displayName ?? device.name ?? this.intl.t('resource.device');
-        const vehicleName = device.attached_to_name ?? device.attachable?.display_name ?? device.attachable?.name;
+        const assetName = device.attached_to_name ?? device.attachable?.display_name ?? device.attachable?.name;
 
-        if (!device.attachable_uuid && !vehicleName) {
+        if (!device.attachable_uuid && !assetName) {
             return this.notifications.warning(this.intl.t('device.prompts.not-attached-warning', { deviceName }));
         }
 
         this.modalsManager.confirm({
-            title: this.intl.t('device.prompts.detach-from-vehicle-title', { deviceName }),
-            body: this.intl.t('device.prompts.detach-from-vehicle-body', { deviceName, vehicleName: vehicleName ?? this.intl.t('resource.vehicle') }),
+            title: this.intl.t('device.prompts.detach-from-asset-title', { deviceName }),
+            body: this.intl.t('device.prompts.detach-from-asset-body', { deviceName, assetName: assetName ?? this.intl.t('device.attachment.asset') }),
             confirm: async (modal) => {
                 modal.startLoading();
 
                 try {
                     await this.fetch.post(`devices/${device.id}/detach`);
                     await device.reload?.();
-                    this.notifications.success(this.intl.t('device.prompts.detach-from-vehicle-success'));
+                    this.notifications.success(this.intl.t('device.prompts.detach-from-asset-success'));
                     modal.done();
                     this.refresh();
                 } catch (error) {
@@ -171,4 +177,8 @@ export default class DeviceActionsService extends ResourceActionService {
             ...options,
         });
     }
+
+    @action detachFromVehicle(device, options = {}) {
+        return this.detachFromAsset(device, options);
+    }
 }
diff --git a/addon/services/trailer-actions.js b/addon/services/trailer-actions.js
new file mode 100644
index 000000000..6c6856414
--- /dev/null
+++ b/addon/services/trailer-actions.js
@@ -0,0 +1,394 @@
+import ResourceActionService, { inject as service } from '@fleetbase/ember-core/services/resource-action';
+import leafletIcon from '@fleetbase/ember-core/utils/leaflet-icon';
+import config from 'ember-get-config';
+import { action } from '@ember/object';
+import { isArray } from '@ember/array';
+import { dasherize } from '@ember/string';
+
+/**
+ * Trailer resource actions.
+ *
+ * Mirrors the Vehicle action service so Trailers behave like every other first-class
+ * Fleet-Ops resource: route transitions, context panels, modals, and the towing,
+ * device, equipment and maintenance actions that are specific to trailers.
+ */
+export default class TrailerActionsService extends ResourceActionService {
+    @service('universe/menu-service') menuService;
+    @service fetch;
+    @service maintenanceScheduleActions;
+    @service workOrderActions;
+    @service maintenanceActions;
+
+    constructor() {
+        super(...arguments);
+        this.initialize('trailer', {
+            defaultAttributes: {
+                status: 'available',
+                asset_class: 'trailer',
+                measurement_system: 'metric',
+            },
+        });
+    }
+
+    get registeredTabs() {
+        const registeredTabs = this.menuService.getMenuItems('fleet-ops:component:trailer:details');
+
+        return (isArray(registeredTabs) ? registeredTabs : [])
+            .map((tab) => {
+                delete tab.route;
+                if (!tab.key) {
+                    tab.key = tab.id ?? dasherize(tab.label ?? tab.title);
+                }
+                return tab;
+            })
+            .filter((tab) => !tab.component);
+    }
+
+    get panelTabs() {
+        return [
+            { key: 'overview', label: this.intl.t('trailer.tabs.overview'), component: 'trailer/details' },
+            { key: 'positions', label: this.intl.t('trailer.tabs.positions'), component: 'positions-replay' },
+            { key: 'devices', label: this.intl.t('trailer.tabs.devices'), component: 'device/manager' },
+            { key: 'equipment', label: this.intl.t('trailer.tabs.equipment'), component: 'trailer/details/equipment' },
+            { key: 'connections', label: this.intl.t('trailer.tabs.connections'), component: 'trailer/details/connections' },
+            { key: 'schedules', label: this.intl.t('trailer.tabs.schedules'), component: 'trailer/details/schedules' },
+            { key: 'work-orders', label: this.intl.t('trailer.tabs.work-orders'), component: 'trailer/details/work-orders' },
+            { key: 'maintenance-history', label: this.intl.t('trailer.tabs.maintenance'), component: 'trailer/details/maintenance-history' },
+            ...this.registeredTabs,
+        ];
+    }
+
+    async resolveTrailerResource(trailer) {
+        if (typeof trailer?.then === 'function') {
+            return await trailer;
+        }
+
+        if (typeof trailer?.loadResource === 'function') {
+            return (await trailer.loadResource()) ?? trailer;
+        }
+
+        return trailer;
+    }
+
+    trailerName(trailer) {
+        return trailer?.displayName ?? trailer?.display_name ?? trailer?.name ?? trailer?.public_id ?? this.intl.t('resource.trailer');
+    }
+
+    vehicleName(vehicle) {
+        return vehicle?.displayName ?? vehicle?.display_name ?? vehicle?.name ?? vehicle?.plate_number ?? this.intl.t('resource.vehicle');
+    }
+
+    transition = {
+        view: (trailer) => this.transitionTo('management.trailers.index.details', trailer),
+        edit: (trailer) => this.transitionTo('management.trailers.index.edit', trailer),
+        create: () => this.transitionTo('management.trailers.index.new'),
+    };
+
+    panel = {
+        create: (attributes = {}, options = {}) => {
+            const trailer = this.createNewInstance(attributes);
+
+            return this.resourceContextPanel.open({
+                content: 'trailer/form',
+                title: this.intl.t('common.create-a-new-resource', { resource: this.intl.t('resource.trailer')?.toLowerCase() }),
+                saveOptions: { callback: this.refresh },
+                useDefaultSaveTask: true,
+                trailer,
+                ...options,
+            });
+        },
+        edit: async (trailer, options = {}) => {
+            trailer = await this.resolveTrailerResource(trailer);
+
+            return this.resourceContextPanel.open({
+                content: 'trailer/form',
+                title: this.intl.t('common.edit-resource-name', { resourceName: this.trailerName(trailer) }),
+                actionButtons: [
+                    {
+                        icon: 'eye',
+                        fn: async () => {
+                            await this.resourceContextPanel.closeAll();
+                            this.panel.view(trailer);
+                        },
+                    },
+                ],
+                useDefaultSaveTask: true,
+                trailer,
+                ...options,
+            });
+        },
+        view: async (trailer, options = {}) => {
+            trailer = await this.resolveTrailerResource(trailer);
+
+            return this.resourceContextPanel.open({
+                trailer,
+                header: 'trailer/panel-header',
+                actionButtons: [
+                    {
+                        icon: 'pencil',
+                        fn: async () => {
+                            await this.resourceContextPanel.closeAll();
+                            this.panel.edit(trailer);
+                        },
+                    },
+                ],
+                tabs: this.panelTabs,
+                ...options,
+            });
+        },
+    };
+
+    modal = {
+        create: (attributes = {}, options = {}, saveOptions = {}) => {
+            const trailer = this.createNewInstance(attributes);
+
+            return this.modalsManager.show('modals/resource', {
+                resource: trailer,
+                title: this.intl.t('common.create-a-new-resource', { resource: this.intl.t('resource.trailer')?.toLowerCase() }),
+                acceptButtonText: this.intl.t('common.create-resource', { resource: this.intl.t('resource.trailer') }),
+                component: 'trailer/form',
+                confirm: (modal) => this.modalTask.perform(modal, 'saveTask', trailer, { refresh: true, ...saveOptions }),
+                ...options,
+            });
+        },
+        edit: async (trailer, options = {}, saveOptions = {}) => {
+            trailer = await this.resolveTrailerResource(trailer);
+
+            return this.modalsManager.show('modals/resource', {
+                resource: trailer,
+                title: this.intl.t('common.edit-resource-name', { resourceName: this.trailerName(trailer) }),
+                acceptButtonText: this.intl.t('common.save-changes'),
+                saveButtonIcon: 'save',
+                component: 'trailer/form',
+                confirm: (modal) => this.modalTask.perform(modal, 'saveTask', trailer, { refresh: true, ...saveOptions }),
+                ...options,
+            });
+        },
+        view: async (trailer, options = {}) => {
+            trailer = await this.resolveTrailerResource(trailer);
+
+            return this.modalsManager.show('modals/resource', {
+                resource: trailer,
+                title: this.trailerName(trailer),
+                component: 'trailer/details',
+                ...options,
+            });
+        },
+    };
+
+    /**
+     * Couple the trailer to a vehicle. The modal collects the vehicle and the towing
+     * position; the server enforces single-attachment and position conflicts.
+     */
+    @action attachVehicle(trailer, options = {}) {
+        const trailerName = this.trailerName(trailer);
+
+        this.modalsManager.show('modals/attach-trailer', {
+            title: this.intl.t('trailer.prompts.attach-vehicle-title', { trailerName }),
+            acceptButtonText: this.intl.t('trailer.actions.attach-vehicle'),
+            acceptButtonIcon: 'link',
+            trailer,
+            selectedVehicle: null,
+            position: 1,
+            confirm: async (modal) => {
+                const vehicle = modal.getOption('selectedVehicle');
+                const position = Number(modal.getOption('position')) || 1;
+
+                if (!vehicle) {
+                    return this.notifications.warning(this.intl.t('trailer.prompts.select-vehicle-warning'));
+                }
+
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`trailers/${trailer.id}/attach`, { vehicle: vehicle.id, position });
+                    await trailer.reload?.();
+                    this.notifications.success(this.intl.t('trailer.prompts.attach-vehicle-success', { trailerName, vehicleName: this.vehicleName(vehicle) }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(trailer, vehicle);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    /**
+     * End the active towing connection. History is preserved server-side.
+     */
+    @action detachVehicle(trailer, options = {}) {
+        const trailerName = this.trailerName(trailer);
+        const vehicleName = trailer.current_vehicle_name ?? this.vehicleName(trailer.current_vehicle);
+
+        if (!trailer.isAttached && trailer.attachment_state !== 'attached') {
+            return this.notifications.warning(this.intl.t('trailer.prompts.not-attached-warning', { trailerName }));
+        }
+
+        return this.modalsManager.confirm({
+            title: this.intl.t('trailer.prompts.detach-vehicle-title', { trailerName }),
+            body: this.intl.t('trailer.prompts.detach-vehicle-body', { trailerName, vehicleName }),
+            acceptButtonText: this.intl.t('trailer.actions.detach-vehicle'),
+            acceptButtonIcon: 'unlink',
+            acceptButtonScheme: 'danger',
+            confirm: async (modal) => {
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`trailers/${trailer.id}/detach`);
+                    await trailer.reload?.();
+                    this.notifications.success(this.intl.t('trailer.prompts.detach-vehicle-success', { trailerName, vehicleName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(trailer);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    @action attachDevice(trailer, options = {}) {
+        const trailerName = this.trailerName(trailer);
+
+        this.modalsManager.show('modals/attach-device', {
+            title: this.intl.t('trailer.prompts.attach-device-title', { trailerName }),
+            acceptButtonText: this.intl.t('trailer.actions.attach-device'),
+            acceptButtonIcon: 'link',
+            selectedDevice: null,
+            trailer,
+            confirm: async (modal) => {
+                const selectedDevice = modal.getOption('selectedDevice');
+
+                if (!selectedDevice) {
+                    return this.notifications.warning(this.intl.t('trailer.prompts.select-device-warning'));
+                }
+
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`trailers/${trailer.id}/attach-device`, { device: selectedDevice.id });
+                    await trailer.reload?.();
+                    this.notifications.success(this.intl.t('trailer.prompts.attach-device-success', { trailerName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(trailer, selectedDevice);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    @action attachEquipment(trailer, options = {}) {
+        const trailerName = this.trailerName(trailer);
+
+        this.modalsManager.show('modals/attach-equipment', {
+            title: this.intl.t('trailer.prompts.attach-equipment-title', { resourceName: trailerName }),
+            acceptButtonText: this.intl.t('trailer.actions.attach-equipment'),
+            acceptButtonIcon: 'link',
+            selectedEquipment: null,
+            trailer,
+            confirm: async (modal) => {
+                const equipment = modal.getOption('selectedEquipment');
+
+                if (!equipment) {
+                    return this.notifications.warning(this.intl.t('trailer.prompts.select-equipment-warning'));
+                }
+
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`trailers/${trailer.id}/attach-equipment`, { equipment: equipment.id });
+                    await trailer.reload?.();
+                    this.notifications.success(this.intl.t('trailer.prompts.attach-equipment-success', { equipmentName: equipment.name, resourceName: trailerName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(trailer, equipment);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    @action detachEquipment(trailer, equipment, options = {}) {
+        const trailerName = this.trailerName(trailer);
+        const equipmentName = equipment?.name ?? equipment?.public_id ?? this.intl.t('resource.equipment');
+
+        return this.modalsManager.confirm({
+            title: this.intl.t('trailer.prompts.detach-equipment-title', { equipmentName }),
+            body: this.intl.t('trailer.prompts.detach-equipment-body', { equipmentName, resourceName: trailerName }),
+            acceptButtonText: this.intl.t('trailer.actions.detach-equipment'),
+            acceptButtonIcon: 'unlink',
+            acceptButtonScheme: 'danger',
+            confirm: async (modal) => {
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`trailers/${trailer.id}/detach-equipment`, { equipment: equipment.id });
+                    await trailer.reload?.();
+                    this.notifications.success(this.intl.t('trailer.prompts.detach-equipment-success', { equipmentName, resourceName: trailerName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(trailer, equipment);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    @action locate(trailer, options = {}) {
+        const { latitude, longitude, location } = trailer;
+        const trailerName = this.trailerName(trailer);
+
+        if (!trailer.hasValidCoordinates) {
+            return this.notifications.warning(this.intl.t('trailer.prompts.no-location-warning', { trailerName }));
+        }
+
+        this.modalsManager.show('modals/point-map', {
+            title: this.intl.t('common.resource-location', { resource: trailerName }),
+            acceptButtonText: this.intl.t('common.done'),
+            hideDeclineButton: true,
+            resource: trailer,
+            popupText: `${trailerName} (${trailer.public_id})`,
+            icon: leafletIcon({
+                iconUrl: trailer.photo_url ?? config?.defaultValues?.vehicleAvatar,
+                iconSize: [40, 40],
+            }),
+            latitude,
+            longitude,
+            location,
+            ...options,
+        });
+    }
+
+    @action async scheduleMaintenance(trailer, options = {}, saveOptions = {}) {
+        trailer = await this.resolveTrailerResource(trailer);
+
+        return this.maintenanceScheduleActions.modal.create({ subject: trailer }, options, saveOptions);
+    }
+
+    @action async createWorkOrder(trailer, options = {}, saveOptions = {}) {
+        trailer = await this.resolveTrailerResource(trailer);
+
+        return this.workOrderActions.modal.create({ target: trailer }, options, saveOptions);
+    }
+
+    @action async logMaintenance(trailer, options = {}, saveOptions = {}) {
+        trailer = await this.resolveTrailerResource(trailer);
+
+        return this.maintenanceActions.modal.create({ maintainable: trailer }, options, saveOptions);
+    }
+}
diff --git a/addon/services/vehicle-actions.js b/addon/services/vehicle-actions.js
index 6cc0fbe92..9af2ba792 100644
--- a/addon/services/vehicle-actions.js
+++ b/addon/services/vehicle-actions.js
@@ -42,6 +42,16 @@ export default class VehicleActionsService extends ResourceActionService {
                 label: 'Devices',
                 component: 'device/manager',
             },
+            {
+                key: 'trailers',
+                label: this.intl.t('resource.trailers'),
+                component: 'vehicle/details/trailers',
+            },
+            {
+                key: 'equipment',
+                label: this.intl.t('resource.equipment'),
+                component: 'vehicle/details/equipment',
+            },
             {
                 key: 'schedules',
                 label: 'Schedules',
@@ -229,6 +239,107 @@ export default class VehicleActionsService extends ResourceActionService {
         });
     }
 
+    /**
+     * Couple a detached trailer to this vehicle. Attachment is owned by the trailer
+     * endpoint so the single-attachment and towing-position rules apply uniformly.
+     */
+    @action attachTrailer(vehicle, options = {}) {
+        const vehicleName = vehicle.displayName ?? vehicle.display_name ?? vehicle.name;
+
+        this.modalsManager.show('modals/select-trailer', {
+            title: this.intl.t('vehicle.prompts.attach-trailer-title', { vehicleName }),
+            acceptButtonText: this.intl.t('vehicle.actions.attach-trailer'),
+            acceptButtonIcon: 'link',
+            vehicle,
+            selectedTrailer: null,
+            position: 1,
+            confirm: async (modal) => {
+                const trailer = modal.getOption('selectedTrailer');
+                const position = Number(modal.getOption('position')) || 1;
+
+                if (!trailer) {
+                    return this.notifications.warning(this.intl.t('vehicle.prompts.select-trailer-warning'));
+                }
+
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`trailers/${trailer.id}/attach`, { vehicle: vehicle.id, position });
+                    await trailer.reload?.();
+                    this.notifications.success(this.intl.t('vehicle.prompts.attach-trailer-success', { trailerName: trailer.displayName ?? trailer.name, vehicleName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(vehicle, trailer);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    @action attachEquipment(vehicle, options = {}) {
+        const vehicleName = vehicle.displayName ?? vehicle.display_name ?? vehicle.name;
+
+        this.modalsManager.show('modals/attach-equipment', {
+            title: this.intl.t('trailer.prompts.attach-equipment-title', { resourceName: vehicleName }),
+            acceptButtonText: this.intl.t('vehicle.actions.attach-equipment'),
+            acceptButtonIcon: 'link',
+            vehicle,
+            selectedEquipment: null,
+            confirm: async (modal) => {
+                const equipment = modal.getOption('selectedEquipment');
+
+                if (!equipment) {
+                    return this.notifications.warning(this.intl.t('trailer.prompts.select-equipment-warning'));
+                }
+
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`vehicles/${vehicle.id}/attach-equipment`, { equipment: equipment.id });
+                    this.notifications.success(this.intl.t('trailer.prompts.attach-equipment-success', { equipmentName: equipment.name, resourceName: vehicleName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(vehicle, equipment);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
+    @action detachEquipment(vehicle, equipment, options = {}) {
+        const vehicleName = vehicle.displayName ?? vehicle.display_name ?? vehicle.name;
+        const equipmentName = equipment?.name ?? equipment?.public_id ?? this.intl.t('resource.equipment');
+
+        return this.modalsManager.confirm({
+            title: this.intl.t('trailer.prompts.detach-equipment-title', { equipmentName }),
+            body: this.intl.t('trailer.prompts.detach-equipment-body', { equipmentName, resourceName: vehicleName }),
+            acceptButtonText: this.intl.t('vehicle.actions.detach-equipment'),
+            acceptButtonIcon: 'unlink',
+            acceptButtonScheme: 'danger',
+            confirm: async (modal) => {
+                modal.startLoading();
+
+                try {
+                    await this.fetch.post(`vehicles/${vehicle.id}/detach-equipment`, { equipment: equipment.id });
+                    this.notifications.success(this.intl.t('trailer.prompts.detach-equipment-success', { equipmentName, resourceName: vehicleName }));
+                    modal.done();
+                    this.refresh();
+                    options.callback?.(vehicle, equipment);
+                } catch (error) {
+                    this.notifications.serverError(error);
+                    modal.stopLoading();
+                }
+            },
+            ...options,
+        });
+    }
+
     @action async unassignOrders(vehicle, options = {}) {
         let response;
 
diff --git a/addon/templates/connectivity/devices/index/details/vehicle.hbs b/addon/templates/connectivity/devices/index/details/vehicle.hbs
index 1de75a8a3..b28081934 100644
--- a/addon/templates/connectivity/devices/index/details/vehicle.hbs
+++ b/addon/templates/connectivity/devices/index/details/vehicle.hbs
@@ -1,20 +1,20 @@
 <div class="flex flex-col gap-3 p-3">
     <div class="flex flex-col items-start justify-between gap-3">
         <div class="min-w-0">
-            <h2 class="text-base font-bold text-gray-900 dark:text-gray-100">Vehicle Attachment</h2>
-            <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-300">Fleet context for telemetry from this device.</p>
+            <h2 class="text-base font-bold text-gray-900 dark:text-gray-100">{{t "device.attachment.title"}}</h2>
+            <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-300">{{t "device.attachment.description"}}</p>
         </div>
 
         {{#if this.hasVehicle}}
             <div class="flex flex-nowrap items-center gap-2 whitespace-nowrap">
                 {{#if this.canOpenVehicle}}
-                    <Button @icon="eye" @text="Open Vehicle" @size="xs" @onClick={{this.openVehicle}} />
+                    <Button @icon="eye" @text={{t "device.attachment.open"}} @size="xs" @onClick={{this.openVehicle}} />
                 {{/if}}
                 {{#if this.canLocateVehicle}}
-                    <Button @icon="location-dot" @text="Locate" @size="xs" @onClick={{this.locateVehicle}} />
+                    <Button @icon="location-dot" @text={{t "device.attachment.locate"}} @size="xs" @onClick={{this.locateVehicle}} />
                 {{/if}}
-                <Button @icon="shuffle" @text="Change Vehicle" @size="xs" @onClick={{this.attachToVehicle}} />
-                <Button @icon="unlink" @text="Detach" @size="xs" @type="danger" @onClick={{this.detachFromVehicle}} />
+                <Button @icon="shuffle" @text={{t "device.attachment.change"}} @size="xs" @onClick={{this.attachToVehicle}} />
+                <Button @icon="unlink" @text={{t "device.attachment.detach"}} @size="xs" @type="danger" @onClick={{this.detachFromVehicle}} />
             </div>
         {{/if}}
     </div>
@@ -62,11 +62,11 @@
                             <div class="truncate text-gray-800 dark:text-gray-100">{{n-a this.yearMakeModel}}</div>
                         </div>
                         <div>
-                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">Attached Device</div>
+                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">{{t "device.attachment.attached-device"}}</div>
                             <div class="truncate text-gray-800 dark:text-gray-100">{{n-a this.device.displayName}}</div>
                         </div>
                         <div>
-                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">Device Last Seen</div>
+                            <div class="font-semibold uppercase text-gray-400 dark:text-gray-500">{{t "device.attachment.last-seen"}}</div>
                             <div class="truncate text-gray-800 dark:text-gray-100">{{n-a (format-date-fns this.device.last_online_at "dd MMM yyyy, HH:mm")}}</div>
                         </div>
                     </div>
@@ -77,11 +77,11 @@
         <section class="overflow-hidden rounded-md border border-gray-200 bg-white shadow-sm dark:border-gray-700 dark:bg-gray-800">
             <div class="flex items-start justify-between gap-3 border-b border-gray-200 px-3 py-2 dark:border-gray-700">
                 <div class="min-w-0">
-                    <h3 class="text-sm font-bold text-gray-900 dark:text-gray-100">Latest Positions</h3>
-                    <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-300">Recent vehicle coordinates reported through this device attachment.</p>
+                    <h3 class="text-sm font-bold text-gray-900 dark:text-gray-100">{{t "device.attachment.latest-positions"}}</h3>
+                    <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-300">{{t "device.attachment.positions-description"}}</p>
                 </div>
                 {{#if this.canOpenVehicle}}
-                    <Button @icon="route" @text="Full History" @size="xs" @onClick={{this.openVehiclePositions}} />
+                    <Button @icon="route" @text={{t "device.attachment.full-history"}} @size="xs" @onClick={{this.openVehiclePositions}} />
                 {{/if}}
             </div>
 
@@ -125,9 +125,9 @@
                     <Telematic::TabEmptyState
                         @tone="info"
                         @icon="location-dot"
-                        @title="No recent positions"
-                        @message="This attached vehicle does not have recent position history available yet."
-                        @primaryText="Locate Vehicle"
+                        @title={{t "device.attachment.no-positions"}}
+                        @message={{t "device.attachment.no-positions-message"}}
+                        @primaryText={{t "device.attachment.locate"}}
                         @primaryIcon="location-dot"
                         @primaryAction={{this.locateVehicle}}
                     />
@@ -138,9 +138,9 @@
         <Telematic::TabEmptyState
             @tone="warning"
             @icon="link-slash"
-            @title="No vehicle attached"
-            @message="Attach this device to a vehicle so telemetry has fleet context."
-            @primaryText="Attach Vehicle"
+            @title={{t "device.attachment.none-title"}}
+            @message={{t "device.attachment.none-message"}}
+            @primaryText={{t "device.actions.attach-to-asset"}}
             @primaryIcon="link"
             @primaryAction={{this.attachToVehicle}}
         />
diff --git a/addon/templates/connectivity/telematics/details/attachments.hbs b/addon/templates/connectivity/telematics/details/attachments.hbs
index 92dc96b50..ed85c60fa 100644
--- a/addon/templates/connectivity/telematics/details/attachments.hbs
+++ b/addon/templates/connectivity/telematics/details/attachments.hbs
@@ -18,7 +18,7 @@
                             @value={{this.query}}
                             @type="text"
                             class="form-input form-input-sm h-10 w-full text-sm"
-                            placeholder="Search vehicles or devices"
+                        placeholder="Search assets or devices"
                             {{on "input" this.updateQuery}}
                         />
                         <select class="form-select form-select-sm h-10 w-full text-sm" {{on "change" this.updateStatus}}>
@@ -83,10 +83,10 @@
                                     <p class="mt-1 truncate text-xs text-blue-600 dark:text-blue-300">
                                         Selected:
                                         {{this.selectedDeviceName}}.
-                                        Choose a vehicle on the right.
+                                        Choose an asset on the right.
                                     </p>
                                 {{else}}
-                                    <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">Select a device, then choose a vehicle target.</p>
+                                    <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">Select a device, then choose a vehicle or trailer target.</p>
                                 {{/if}}
                             </div>
                             {{#if this.selectedDevice}}
@@ -139,7 +139,7 @@
                         {{else}}
                             <div class="p-4">
                                 <div class="rounded-md border border-green-200 bg-green-50 p-3 text-sm text-green-800 dark:border-green-700 dark:bg-green-900/20 dark:text-green-300">
-                                    All visible synced devices are mapped to vehicles.
+                                    All visible synced devices are mapped to assets.
                                 </div>
                             </div>
                         {{/if}}
@@ -151,38 +151,38 @@
                         <div class="flex items-start justify-between gap-3">
                             <div class="min-w-0">
                                 <div class="flex items-center gap-2">
-                                    <h4 class="text-sm font-bold text-gray-900 dark:text-gray-100">Vehicles</h4>
-                                    <span class="text-xs font-semibold text-gray-500 dark:text-gray-400">{{this.vehicleGroups.length}} mapped</span>
+                                    <h4 class="text-sm font-bold text-gray-900 dark:text-gray-100">Assets</h4>
+                                    <span class="text-xs font-semibold text-gray-500 dark:text-gray-400">{{this.assetGroups.length}} mapped</span>
                                 </div>
                                 {{#if this.selectedDevice}}
                                     <p class="mt-1 truncate text-xs text-blue-600 dark:text-blue-300">
-                                        Choose a vehicle for
+                                        Choose an asset for
                                         {{this.selectedDeviceName}}
                                     </p>
                                 {{else}}
-                                    <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">Attached devices grouped by vehicle.</p>
+                                    <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">Attached devices grouped by vehicle or trailer.</p>
                                 {{/if}}
                             </div>
                         </div>
                     </div>
 
                     <div class="h-[calc(100vh-24rem)] min-h-[28rem] overflow-y-auto">
-                        {{#if this.vehicleGroups.length}}
+                        {{#if this.assetGroups.length}}
                             <div class="divide-y divide-gray-200 dark:divide-gray-700">
-                                {{#each this.vehicleGroups as |group|}}
+                                {{#each this.assetGroups as |group|}}
                                     <div class="border-l-2 border-transparent px-4 py-3 transition hover:border-blue-300 hover:bg-blue-50/40 dark:hover:bg-blue-900/10">
                                         <div class="mb-2 flex items-center justify-between gap-3">
                                             <div class="flex min-w-0 items-center gap-3">
                                                 <Image
-                                                    src={{or group.vehicle.photo_url group.vehicle.avatar_url}}
+                                                    src={{or group.asset.photo_url group.asset.avatar_url}}
                                                     @fallbackSrc={{config "defaultValues.vehicleImage"}}
                                                     alt={{group.name}}
                                                     class="h-10 w-9 flex-shrink-0 rounded-md object-cover"
                                                 />
                                                 <div class="min-w-0">
-                                                    <div class="truncate text-sm font-bold text-gray-900 dark:text-gray-100">{{or group.vehicle.displayName group.vehicle.display_name group.vehicle.name group.name}}</div>
+                                                    <div class="truncate text-sm font-bold text-gray-900 dark:text-gray-100">{{or group.asset.displayName group.asset.display_name group.asset.name group.name}}</div>
                                                     <div class="mt-0.5 truncate text-xs text-gray-500 dark:text-gray-400">
-                                                        {{n-a (or group.vehicle.plate_number group.vehicle.internal_id group.vehicle.call_sign group.vehicle.vin)}}
+                                                        {{n-a (or group.asset.plate_number group.asset.internal_id group.asset.call_sign group.asset.vin)}}
                                                         <span class="mx-1">·</span>
                                                         {{group.devices.length}}
                                                         devices
@@ -228,7 +228,7 @@
                         {{else}}
                             <div class="p-4">
                                 <div class="rounded-md border border-gray-200 bg-gray-50 p-4 text-sm text-gray-600 dark:border-gray-700 dark:bg-gray-900 dark:text-gray-300">
-                                    No visible vehicle groups. Attach a device from the left pane or adjust the filters.
+                                    No visible asset groups. Attach a device from the left pane or adjust the filters.
                                 </div>
                             </div>
                         {{/if}}
diff --git a/addon/templates/management/trailers/index.hbs b/addon/templates/management/trailers/index.hbs
new file mode 100644
index 000000000..06b70bc6a
--- /dev/null
+++ b/addon/templates/management/trailers/index.hbs
@@ -0,0 +1,67 @@
+{{#if (eq this.layout "table")}}
+    <Layout::Resource::Tabular
+        @resource="trailer"
+        @title={{t "resource.trailers"}}
+        @searchQuery={{this.query}}
+        @onSearch={{perform this.trailerActions.controllerSearchTask this}}
+        @data={{@model}}
+        @columns={{this.columns}}
+        @page={{this.page}}
+        @onPageChange={{fn (mut this.page)}}
+        @setupTable={{fn (mut this.table)}}
+        @actionButtons={{this.actionButtons}}
+        @bulkActions={{this.bulkActions}}
+        @controller={{this}}
+        @emptyStateComponent={{component
+            "table/empty-state"
+            icon="trailer"
+            title=(t "trailer.empty.title")
+            description=(t "trailer.empty.description")
+            filteredTitle=(t "trailer.empty.filtered-title")
+            filteredDescription=(t "trailer.empty.filtered-description")
+            primaryText=(t "trailer.actions.new")
+            primaryIcon="plus"
+            primaryAction=this.trailerActions.transition.create
+            secondaryText=(t "common.import")
+            secondaryIcon="upload"
+            secondaryAction=this.trailerActions.import
+            docsSlug="fleet-ops/resources/trailers/overview"
+            docsTitle=(t "trailer.docs.title")
+            docsText=(t "trailer.docs.link")
+            docsSource="fleet-ops-empty-trailers"
+        }}
+    />
+{{else}}
+    <Layout::Section::Header @title={{t "resource.trailers"}} @actionsWrapperClass="space-x-1">
+        <Layout::Resource::TabularActions
+            @searchQuery={{this.query}}
+            @onSearch={{perform this.trailerActions.controllerSearchTask this}}
+            @columns={{this.columns}}
+            @page={{this.page}}
+            @onPageChange={{fn (mut this.page)}}
+            @setupTable={{fn (mut this.table)}}
+            @actionButtons={{this.actionButtons}}
+            @bulkActions={{this.bulkActions}}
+            @controller={{this}}
+            @hideColumnsPicker={{true}}
+        />
+    </Layout::Section::Header>
+
+    <Layout::Section::Body class="overflow-y-scroll-i h-full">
+        <Layout::Resource::CardsGrid
+            @resource="trailer"
+            @data={{@model}}
+            @columns="4"
+            @showPagination={{true}}
+            @page={{this.page}}
+            @onPageChange={{fn (mut this.page)}}
+            @paginationMeta={{@model.meta}}
+            @containerClass="p-4"
+            class="h-full"
+            as |Item|
+        >
+            <Trailer::Card @resource={{Item.model}} />
+        </Layout::Resource::CardsGrid>
+    </Layout::Section::Body>
+{{/if}}
+{{outlet}}
diff --git a/addon/templates/management/trailers/index/details.hbs b/addon/templates/management/trailers/index/details.hbs
new file mode 100644
index 000000000..4473e49f3
--- /dev/null
+++ b/addon/templates/management/trailers/index/details.hbs
@@ -0,0 +1,15 @@
+<Layout::Resource::Panel
+    @resource={{@model}}
+    @controller={{this}}
+    @headerComponent={{component "trailer/panel-header" resource=@model actionButtons=this.actionButtons}}
+    @headerTitle={{@model.displayName}}
+    @actionButtons={{this.actionButtons}}
+    @onPressCancel={{transition-to "management.trailers.index"}}
+    @onOverlayReady={{fn (mut this.overlay)}}
+    @headerClass="no-bottom-border"
+    @bodyClass="no-scroll"
+>
+    <TabNavigation @tabs={{this.tabs}} @contentClass="scrollable" @tablistClass="pl-2">
+        {{outlet}}
+    </TabNavigation>
+</Layout::Resource::Panel>
diff --git a/addon/templates/management/trailers/index/details/connections.hbs b/addon/templates/management/trailers/index/details/connections.hbs
new file mode 100644
index 000000000..869849c9d
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/connections.hbs
@@ -0,0 +1 @@
+<Trailer::Details::Connections @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/details/devices.hbs b/addon/templates/management/trailers/index/details/devices.hbs
new file mode 100644
index 000000000..4ab512c3a
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/devices.hbs
@@ -0,0 +1 @@
+<Device::Manager @resource={{@model}} @endpoint="trailers" />
diff --git a/addon/templates/management/trailers/index/details/equipment.hbs b/addon/templates/management/trailers/index/details/equipment.hbs
new file mode 100644
index 000000000..6d0364d95
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/equipment.hbs
@@ -0,0 +1 @@
+<Trailer::Details::Equipment @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/details/index.hbs b/addon/templates/management/trailers/index/details/index.hbs
new file mode 100644
index 000000000..0d5695c6c
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/index.hbs
@@ -0,0 +1 @@
+<Trailer::Details @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/details/maintenance-history.hbs b/addon/templates/management/trailers/index/details/maintenance-history.hbs
new file mode 100644
index 000000000..b1e0dacc2
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/maintenance-history.hbs
@@ -0,0 +1 @@
+<Trailer::Details::MaintenanceHistory @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/details/positions.hbs b/addon/templates/management/trailers/index/details/positions.hbs
new file mode 100644
index 000000000..16e42c967
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/positions.hbs
@@ -0,0 +1 @@
+<PositionsReplay @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/details/schedules.hbs b/addon/templates/management/trailers/index/details/schedules.hbs
new file mode 100644
index 000000000..50e7630aa
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/schedules.hbs
@@ -0,0 +1 @@
+<Trailer::Details::Schedules @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/details/work-orders.hbs b/addon/templates/management/trailers/index/details/work-orders.hbs
new file mode 100644
index 000000000..0c858ab9e
--- /dev/null
+++ b/addon/templates/management/trailers/index/details/work-orders.hbs
@@ -0,0 +1 @@
+<Trailer::Details::WorkOrders @resource={{@model}} />
diff --git a/addon/templates/management/trailers/index/edit.hbs b/addon/templates/management/trailers/index/edit.hbs
new file mode 100644
index 000000000..2c7ec2e82
--- /dev/null
+++ b/addon/templates/management/trailers/index/edit.hbs
@@ -0,0 +1,12 @@
+<Layout::Resource::Panel
+    @resource={{@model}}
+    @controller={{this}}
+    @headerTitle={{t "common.edit-resource-name" resourceName=@model.displayName}}
+    @actionButtons={{this.actionButtons}}
+    @saveTask={{this.save}}
+    @onPressCancel={{this.cancel}}
+    @onOverlayReady={{fn (mut this.overlay)}}
+>
+    <Trailer::Form @resource={{@model}} @controller={{this}} />
+    <Spacer @height="200px" />
+</Layout::Resource::Panel>
diff --git a/addon/templates/management/trailers/index/new.hbs b/addon/templates/management/trailers/index/new.hbs
new file mode 100644
index 000000000..32fb3cbe3
--- /dev/null
+++ b/addon/templates/management/trailers/index/new.hbs
@@ -0,0 +1,11 @@
+<Layout::Resource::Panel
+    @resource={{this.trailer}}
+    @controller={{this}}
+    @headerTitle={{t "common.create-a-new-resource" resource=(t "resource.trailer")}}
+    @saveTask={{this.save}}
+    @onPressCancel={{transition-to "management.trailers.index"}}
+    @onOverlayReady={{fn (mut this.overlay)}}
+>
+    <Trailer::Form @resource={{this.trailer}} @controller={{this}} />
+    <Spacer @height="200px" />
+</Layout::Resource::Panel>
diff --git a/addon/templates/management/vehicles/index/details/equipment.hbs b/addon/templates/management/vehicles/index/details/equipment.hbs
index e2147cab0..0a013c8d7 100644
--- a/addon/templates/management/vehicles/index/details/equipment.hbs
+++ b/addon/templates/management/vehicles/index/details/equipment.hbs
@@ -1 +1 @@
-{{outlet}}
\ No newline at end of file
+<Vehicle::Details::Equipment @resource={{@model}} />
diff --git a/addon/templates/management/vehicles/index/details/trailers.hbs b/addon/templates/management/vehicles/index/details/trailers.hbs
new file mode 100644
index 000000000..88974cd0d
--- /dev/null
+++ b/addon/templates/management/vehicles/index/details/trailers.hbs
@@ -0,0 +1 @@
+<Vehicle::Details::Trailers @resource={{@model}} />
diff --git a/addon/utils/device-table-columns.js b/addon/utils/device-table-columns.js
index aa5be474b..048cbe110 100644
--- a/addon/utils/device-table-columns.js
+++ b/addon/utils/device-table-columns.js
@@ -64,12 +64,16 @@ export default function buildDeviceTableColumns(controller, options = {}) {
         filterComponent: 'filter/string',
     };
     const vehicleColumn = {
-        label: 'Vehicle',
+        label: controller.intl?.t('device.attachment.asset') ?? 'Attached asset',
         valuePath: 'attached_to_name',
         cellComponent: 'cell/vehicle-identity',
         action: async (vehicle) => {
             const resolvedVehicle = vehicle?.loadResource ? ((await vehicle.loadResource()) ?? vehicle) : vehicle;
 
+            const type = `${vehicle?.attachable_type ?? resolvedVehicle?.constructor?.modelName ?? ''}`.toLowerCase();
+            if (type.includes('trailer') && resolvedVehicle?.id && controller.trailerActions?.transition?.view) {
+                return controller.trailerActions.transition.view(resolvedVehicle);
+            }
             if (resolvedVehicle?.id && controller.vehicleActions?.panel?.view) {
                 return controller.vehicleActions.panel.view(resolvedVehicle);
             }
@@ -81,7 +85,7 @@ export default function buildDeviceTableColumns(controller, options = {}) {
         resourcePath: (device) => {
             const attachableType = `${device?.attachable_type ?? ''}`.toLowerCase();
 
-            if (!device?.attachable_uuid || (attachableType && !attachableType.includes('vehicle'))) {
+            if (!device?.attachable_uuid || (attachableType && !attachableType.includes('vehicle') && !attachableType.includes('trailer'))) {
                 return null;
             }
 
@@ -238,12 +242,12 @@ export default function buildDeviceTableColumns(controller, options = {}) {
                     permission: 'fleet-ops update device',
                 },
                 {
-                    label: 'Attach or change vehicle',
+                    label: controller.intl.t('device.attachment.attach-or-change'),
                     fn: controller.openAttachDeviceModal ?? controller.deviceActions.attachToVehicle,
                     permission: 'fleet-ops update device',
                 },
                 {
-                    label: controller.intl.t('device.actions.detach-from-vehicle'),
+                    label: controller.intl.t('device.attachment.detach'),
                     fn: controller.deviceActions.detachFromVehicle,
                     permission: 'fleet-ops update device',
                     isVisible: controller.hasAttachedVehicle,
@@ -253,13 +257,13 @@ export default function buildDeviceTableColumns(controller, options = {}) {
                     isVisible: controller.hasAttachedVehicle,
                 },
                 {
-                    label: 'View attached vehicle',
+                    label: controller.intl.t('device.attachment.view-attached'),
                     fn: controller.viewAttachedVehicle,
                     permission: 'fleet-ops view vehicle',
                     isVisible: controller.hasAttachedVehicle,
                 },
                 {
-                    label: 'Locate attached vehicle on map',
+                    label: controller.intl.t('device.attachment.locate-attached'),
                     fn: controller.locateAttachedVehicle,
                     permission: 'fleet-ops view vehicle',
                     isVisible: controller.hasAttachedVehicle,
diff --git a/app/components/cell/translated-value.js b/app/components/cell/translated-value.js
new file mode 100644
index 000000000..92c79ca7d
--- /dev/null
+++ b/app/components/cell/translated-value.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/cell/translated-value';
diff --git a/app/components/modals/attach-equipment.js b/app/components/modals/attach-equipment.js
new file mode 100644
index 000000000..07f5b6fd9
--- /dev/null
+++ b/app/components/modals/attach-equipment.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/modals/attach-equipment';
diff --git a/app/components/modals/attach-trailer.js b/app/components/modals/attach-trailer.js
new file mode 100644
index 000000000..1266c1430
--- /dev/null
+++ b/app/components/modals/attach-trailer.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/modals/attach-trailer';
diff --git a/app/components/modals/select-trailer.js b/app/components/modals/select-trailer.js
new file mode 100644
index 000000000..f86ce4efb
--- /dev/null
+++ b/app/components/modals/select-trailer.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/modals/select-trailer';
diff --git a/app/components/trailer/card.js b/app/components/trailer/card.js
new file mode 100644
index 000000000..d88c41dd4
--- /dev/null
+++ b/app/components/trailer/card.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/card';
diff --git a/app/components/trailer/details.js b/app/components/trailer/details.js
new file mode 100644
index 000000000..26ebdf6d7
--- /dev/null
+++ b/app/components/trailer/details.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/details';
diff --git a/app/components/trailer/details/connections.js b/app/components/trailer/details/connections.js
new file mode 100644
index 000000000..473f11041
--- /dev/null
+++ b/app/components/trailer/details/connections.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/details/connections';
diff --git a/app/components/trailer/details/equipment.js b/app/components/trailer/details/equipment.js
new file mode 100644
index 000000000..84d1956b7
--- /dev/null
+++ b/app/components/trailer/details/equipment.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/details/equipment';
diff --git a/app/components/trailer/details/maintenance-history.js b/app/components/trailer/details/maintenance-history.js
new file mode 100644
index 000000000..fb71824db
--- /dev/null
+++ b/app/components/trailer/details/maintenance-history.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/details/maintenance-history';
diff --git a/app/components/trailer/details/schedules.js b/app/components/trailer/details/schedules.js
new file mode 100644
index 000000000..68877b44e
--- /dev/null
+++ b/app/components/trailer/details/schedules.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/details/schedules';
diff --git a/app/components/trailer/details/work-orders.js b/app/components/trailer/details/work-orders.js
new file mode 100644
index 000000000..aac45c9de
--- /dev/null
+++ b/app/components/trailer/details/work-orders.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/details/work-orders';
diff --git a/app/components/trailer/form.js b/app/components/trailer/form.js
new file mode 100644
index 000000000..a4bba0d74
--- /dev/null
+++ b/app/components/trailer/form.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/form';
diff --git a/app/components/trailer/panel-header.js b/app/components/trailer/panel-header.js
new file mode 100644
index 000000000..eaffd5b7c
--- /dev/null
+++ b/app/components/trailer/panel-header.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/trailer/panel-header';
diff --git a/app/components/vehicle/details/equipment.js b/app/components/vehicle/details/equipment.js
new file mode 100644
index 000000000..8ba100b38
--- /dev/null
+++ b/app/components/vehicle/details/equipment.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/vehicle/details/equipment';
diff --git a/app/components/vehicle/details/trailers.js b/app/components/vehicle/details/trailers.js
new file mode 100644
index 000000000..a5e5bf986
--- /dev/null
+++ b/app/components/vehicle/details/trailers.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/components/vehicle/details/trailers';
diff --git a/app/controllers/management/trailers/index.js b/app/controllers/management/trailers/index.js
new file mode 100644
index 000000000..b396c106a
--- /dev/null
+++ b/app/controllers/management/trailers/index.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/controllers/management/trailers/index';
diff --git a/app/controllers/management/trailers/index/details.js b/app/controllers/management/trailers/index/details.js
new file mode 100644
index 000000000..5cefa74f0
--- /dev/null
+++ b/app/controllers/management/trailers/index/details.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/controllers/management/trailers/index/details';
diff --git a/app/controllers/management/trailers/index/edit.js b/app/controllers/management/trailers/index/edit.js
new file mode 100644
index 000000000..f36595fd2
--- /dev/null
+++ b/app/controllers/management/trailers/index/edit.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/controllers/management/trailers/index/edit';
diff --git a/app/controllers/management/trailers/index/new.js b/app/controllers/management/trailers/index/new.js
new file mode 100644
index 000000000..9597b4e77
--- /dev/null
+++ b/app/controllers/management/trailers/index/new.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/controllers/management/trailers/index/new';
diff --git a/app/routes/management/trailers/index.js b/app/routes/management/trailers/index.js
new file mode 100644
index 000000000..533df8f3c
--- /dev/null
+++ b/app/routes/management/trailers/index.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index';
diff --git a/app/routes/management/trailers/index/details.js b/app/routes/management/trailers/index/details.js
new file mode 100644
index 000000000..d6d5cf9c6
--- /dev/null
+++ b/app/routes/management/trailers/index/details.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details';
diff --git a/app/routes/management/trailers/index/details/connections.js b/app/routes/management/trailers/index/details/connections.js
new file mode 100644
index 000000000..77082f241
--- /dev/null
+++ b/app/routes/management/trailers/index/details/connections.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/connections';
diff --git a/app/routes/management/trailers/index/details/devices.js b/app/routes/management/trailers/index/details/devices.js
new file mode 100644
index 000000000..1ac880a32
--- /dev/null
+++ b/app/routes/management/trailers/index/details/devices.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/devices';
diff --git a/app/routes/management/trailers/index/details/equipment.js b/app/routes/management/trailers/index/details/equipment.js
new file mode 100644
index 000000000..a2f947067
--- /dev/null
+++ b/app/routes/management/trailers/index/details/equipment.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/equipment';
diff --git a/app/routes/management/trailers/index/details/index.js b/app/routes/management/trailers/index/details/index.js
new file mode 100644
index 000000000..8280dfaa5
--- /dev/null
+++ b/app/routes/management/trailers/index/details/index.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/index';
diff --git a/app/routes/management/trailers/index/details/maintenance-history.js b/app/routes/management/trailers/index/details/maintenance-history.js
new file mode 100644
index 000000000..d5c8a7236
--- /dev/null
+++ b/app/routes/management/trailers/index/details/maintenance-history.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/maintenance-history';
diff --git a/app/routes/management/trailers/index/details/positions.js b/app/routes/management/trailers/index/details/positions.js
new file mode 100644
index 000000000..c26a6735c
--- /dev/null
+++ b/app/routes/management/trailers/index/details/positions.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/positions';
diff --git a/app/routes/management/trailers/index/details/schedules.js b/app/routes/management/trailers/index/details/schedules.js
new file mode 100644
index 000000000..ce1d3ee37
--- /dev/null
+++ b/app/routes/management/trailers/index/details/schedules.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/schedules';
diff --git a/app/routes/management/trailers/index/details/work-orders.js b/app/routes/management/trailers/index/details/work-orders.js
new file mode 100644
index 000000000..016a7ffec
--- /dev/null
+++ b/app/routes/management/trailers/index/details/work-orders.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/details/work-orders';
diff --git a/app/routes/management/trailers/index/edit.js b/app/routes/management/trailers/index/edit.js
new file mode 100644
index 000000000..93a472c4e
--- /dev/null
+++ b/app/routes/management/trailers/index/edit.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/edit';
diff --git a/app/routes/management/trailers/index/new.js b/app/routes/management/trailers/index/new.js
new file mode 100644
index 000000000..63e7b587c
--- /dev/null
+++ b/app/routes/management/trailers/index/new.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/trailers/index/new';
diff --git a/app/routes/management/vehicles/index/details/trailers.js b/app/routes/management/vehicles/index/details/trailers.js
new file mode 100644
index 000000000..16426472f
--- /dev/null
+++ b/app/routes/management/vehicles/index/details/trailers.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/routes/management/vehicles/index/details/trailers';
diff --git a/app/services/trailer-actions.js b/app/services/trailer-actions.js
new file mode 100644
index 000000000..33b1a5dfc
--- /dev/null
+++ b/app/services/trailer-actions.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/services/trailer-actions';
diff --git a/app/templates/management/trailers/index.js b/app/templates/management/trailers/index.js
new file mode 100644
index 000000000..071fafc35
--- /dev/null
+++ b/app/templates/management/trailers/index.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index';
diff --git a/app/templates/management/trailers/index/details.js b/app/templates/management/trailers/index/details.js
new file mode 100644
index 000000000..2ef5f5f96
--- /dev/null
+++ b/app/templates/management/trailers/index/details.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details';
diff --git a/app/templates/management/trailers/index/details/connections.js b/app/templates/management/trailers/index/details/connections.js
new file mode 100644
index 000000000..dc35c6f89
--- /dev/null
+++ b/app/templates/management/trailers/index/details/connections.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/connections';
diff --git a/app/templates/management/trailers/index/details/devices.js b/app/templates/management/trailers/index/details/devices.js
new file mode 100644
index 000000000..888cb82a6
--- /dev/null
+++ b/app/templates/management/trailers/index/details/devices.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/devices';
diff --git a/app/templates/management/trailers/index/details/equipment.js b/app/templates/management/trailers/index/details/equipment.js
new file mode 100644
index 000000000..7ec411eb4
--- /dev/null
+++ b/app/templates/management/trailers/index/details/equipment.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/equipment';
diff --git a/app/templates/management/trailers/index/details/index.js b/app/templates/management/trailers/index/details/index.js
new file mode 100644
index 000000000..a548a9bee
--- /dev/null
+++ b/app/templates/management/trailers/index/details/index.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/index';
diff --git a/app/templates/management/trailers/index/details/maintenance-history.js b/app/templates/management/trailers/index/details/maintenance-history.js
new file mode 100644
index 000000000..fae31b663
--- /dev/null
+++ b/app/templates/management/trailers/index/details/maintenance-history.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/maintenance-history';
diff --git a/app/templates/management/trailers/index/details/positions.js b/app/templates/management/trailers/index/details/positions.js
new file mode 100644
index 000000000..7e504f073
--- /dev/null
+++ b/app/templates/management/trailers/index/details/positions.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/positions';
diff --git a/app/templates/management/trailers/index/details/schedules.js b/app/templates/management/trailers/index/details/schedules.js
new file mode 100644
index 000000000..2fc86960c
--- /dev/null
+++ b/app/templates/management/trailers/index/details/schedules.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/schedules';
diff --git a/app/templates/management/trailers/index/details/work-orders.js b/app/templates/management/trailers/index/details/work-orders.js
new file mode 100644
index 000000000..e80a2914d
--- /dev/null
+++ b/app/templates/management/trailers/index/details/work-orders.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/details/work-orders';
diff --git a/app/templates/management/trailers/index/edit.js b/app/templates/management/trailers/index/edit.js
new file mode 100644
index 000000000..21b3632d4
--- /dev/null
+++ b/app/templates/management/trailers/index/edit.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/edit';
diff --git a/app/templates/management/trailers/index/new.js b/app/templates/management/trailers/index/new.js
new file mode 100644
index 000000000..3ecb7905e
--- /dev/null
+++ b/app/templates/management/trailers/index/new.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/trailers/index/new';
diff --git a/app/templates/management/vehicles/index/details/trailers.js b/app/templates/management/vehicles/index/details/trailers.js
new file mode 100644
index 000000000..72544100f
--- /dev/null
+++ b/app/templates/management/vehicles/index/details/trailers.js
@@ -0,0 +1 @@
+export { default } from '@fleetbase/fleetops-engine/templates/management/vehicles/index/details/trailers';
diff --git a/server/migrations/2026_09_03_000001_add_first_class_trailer_columns_to_assets_table.php b/server/migrations/2026_09_03_000001_add_first_class_trailer_columns_to_assets_table.php
new file mode 100644
index 000000000..215cc194c
--- /dev/null
+++ b/server/migrations/2026_09_03_000001_add_first_class_trailer_columns_to_assets_table.php
@@ -0,0 +1,58 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::table('assets', function (Blueprint $table) {
+            // Existing Asset rows predate public identifiers. Keep this nullable so
+            // Trailer support does not rewrite unrelated historical Asset data.
+            $table->string('public_id')->nullable()->after('uuid')->unique();
+            $table->string('asset_class')->nullable()->after('type')->index();
+            $table->foreignUuid('photo_uuid')->nullable()->after('current_place_uuid')->constrained('files', 'uuid')->nullOnDelete();
+            $table->boolean('online')->nullable()->after('altitude')->index();
+            $table->timestamp('last_online_at')->nullable()->after('online')->index();
+            $table->json('telematics')->nullable()->after('attributes');
+            $table->date('purchased_at')->nullable()->after('lease_expires_at');
+            $table->decimal('length', 12, 3)->nullable();
+            $table->decimal('width', 12, 3)->nullable();
+            $table->decimal('height', 12, 3)->nullable();
+            $table->decimal('tare_weight', 12, 3)->nullable();
+            $table->decimal('gvwr', 12, 3)->nullable();
+            $table->decimal('payload_capacity', 12, 3)->nullable();
+            $table->decimal('cargo_volume', 12, 3)->nullable();
+            $table->unsignedSmallInteger('axle_count')->nullable();
+            $table->unsignedSmallInteger('tire_count')->nullable();
+            $table->unsignedSmallInteger('door_count')->nullable();
+            $table->string('body_type')->nullable()->index();
+            $table->string('coupling_type')->nullable();
+            $table->string('brake_type')->nullable();
+            $table->boolean('abs_equipped')->nullable();
+            $table->boolean('ebs_equipped')->nullable();
+            $table->boolean('refrigerated')->nullable()->index();
+            $table->decimal('temperature_min', 8, 3)->nullable();
+            $table->decimal('temperature_max', 8, 3)->nullable();
+            $table->decimal('reefer_engine_hours', 14, 2)->nullable();
+            $table->index(['company_uuid', 'asset_class', 'status'], 'assets_company_class_status_index');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('assets', function (Blueprint $table) {
+            $table->dropIndex('assets_company_class_status_index');
+            $table->dropForeign(['photo_uuid']);
+            $table->dropUnique(['public_id']);
+            $table->dropColumn([
+                'public_id', 'asset_class', 'photo_uuid', 'online', 'last_online_at', 'telematics', 'purchased_at',
+                'length', 'width', 'height', 'tare_weight', 'gvwr', 'payload_capacity', 'cargo_volume',
+                'axle_count', 'tire_count', 'door_count', 'body_type', 'coupling_type', 'brake_type',
+                'abs_equipped', 'ebs_equipped', 'refrigerated', 'temperature_min', 'temperature_max',
+                'reefer_engine_hours',
+            ]);
+        });
+    }
+};
diff --git a/server/migrations/2026_09_03_000002_create_asset_connections_table.php b/server/migrations/2026_09_03_000002_create_asset_connections_table.php
new file mode 100644
index 000000000..c06ae7cd8
--- /dev/null
+++ b/server/migrations/2026_09_03_000002_create_asset_connections_table.php
@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('asset_connections', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->uuid('uuid')->unique();
+            $table->string('public_id')->unique();
+            $table->foreignUuid('company_uuid')->constrained('companies', 'uuid')->cascadeOnDelete();
+            $table->string('connector_type');
+            $table->uuid('connector_uuid');
+            $table->string('connected_type');
+            $table->uuid('connected_uuid');
+            $table->uuid('active_connected_uuid')->nullable()->unique();
+            $table->string('active_connector_position')->nullable()->unique();
+            $table->string('relationship_type')->default('towing');
+            $table->unsignedSmallInteger('position')->default(1);
+            $table->timestamp('connected_at');
+            $table->timestamp('disconnected_at')->nullable();
+            $table->string('source')->default('manual');
+            $table->string('confidence')->nullable();
+            $table->text('notes')->nullable();
+            $table->json('meta')->nullable();
+            $table->foreignUuid('created_by_uuid')->nullable()->constrained('users', 'uuid')->nullOnDelete();
+            $table->foreignUuid('updated_by_uuid')->nullable()->constrained('users', 'uuid')->nullOnDelete();
+            $table->timestamps();
+            $table->softDeletes();
+            $table->index(['company_uuid', 'connector_type', 'connector_uuid'], 'asset_connections_connector_index');
+            $table->index(['company_uuid', 'connected_type', 'connected_uuid'], 'asset_connections_connected_index');
+            $table->index(['company_uuid', 'disconnected_at'], 'asset_connections_active_index');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('asset_connections');
+    }
+};
diff --git a/server/migrations/2026_09_03_000003_create_device_installations_table.php b/server/migrations/2026_09_03_000003_create_device_installations_table.php
new file mode 100644
index 000000000..e9bfbac12
--- /dev/null
+++ b/server/migrations/2026_09_03_000003_create_device_installations_table.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('device_installations', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->uuid('uuid')->unique();
+            $table->foreignUuid('company_uuid')->constrained('companies', 'uuid')->cascadeOnDelete();
+            $table->foreignUuid('device_uuid')->constrained('devices', 'uuid')->cascadeOnDelete();
+            $table->string('attachable_type');
+            $table->uuid('attachable_uuid');
+            $table->uuid('active_device_uuid')->nullable()->unique();
+            $table->timestamp('installed_at');
+            $table->timestamp('removed_at')->nullable();
+            $table->string('source')->default('manual');
+            $table->json('metadata')->nullable();
+            $table->softDeletes();
+            $table->timestamps();
+            $table->index(['company_uuid', 'attachable_type', 'attachable_uuid'], 'device_installations_attachable_index');
+            $table->index(['device_uuid', 'installed_at'], 'device_installations_history_index');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('device_installations');
+    }
+};
diff --git a/server/src/Auth/Schemas/FleetOps.php b/server/src/Auth/Schemas/FleetOps.php
index 58f122e62..081aabc2f 100644
--- a/server/src/Auth/Schemas/FleetOps.php
+++ b/server/src/Auth/Schemas/FleetOps.php
@@ -61,6 +61,10 @@ class FleetOps
             'name'    => 'vehicle',
             'actions' => ['assign-driver-for', 'export', 'import'],
         ],
+        [
+            'name'    => 'trailer',
+            'actions' => ['export', 'import', 'attach-vehicle-for', 'detach-vehicle-for', 'attach-device-for', 'detach-device-for', 'attach-equipment-for', 'detach-equipment-for'],
+        ],
         [
             'name'    => 'fleet',
             'actions' => ['assign-driver-for', 'assign-vehicle-for', 'remove-driver-for', 'remove-vehicle-for', 'export', 'import'],
@@ -217,6 +221,7 @@ class FleetOps
                 '* fleet',
                 '* driver',
                 '* vehicle',
+                '* trailer',
             ],
         ],
         [
@@ -294,6 +299,7 @@ class FleetOps
                 '* work-order',
                 '* equipment',
                 '* part',
+                '* trailer',
                 'see vehicle',
                 'list vehicle',
                 'view vehicle',
@@ -318,6 +324,7 @@ class FleetOps
                 '* work-order',
                 '* equipment',
                 '* part',
+                '* trailer',
             ],
         ],
         [
diff --git a/server/src/Events/TrailerLocationChanged.php b/server/src/Events/TrailerLocationChanged.php
new file mode 100644
index 000000000..6cbc1ca51
--- /dev/null
+++ b/server/src/Events/TrailerLocationChanged.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Fleetbase\FleetOps\Events;
+
+use Fleetbase\FleetOps\Models\Trailer;
+use Illuminate\Broadcasting\Channel;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class TrailerLocationChanged implements ShouldBroadcast
+{
+    use Dispatchable;
+    use InteractsWithSockets;
+    use SerializesModels;
+
+    public string $eventId;
+    public string $sentAt;
+    public string $companyUuid;
+    public string $trailerUuid;
+    public string $trailerId;
+    public mixed $location;
+    public mixed $altitude;
+    public mixed $heading;
+    public mixed $speed;
+    public array $additionalData;
+
+    public function __construct(Trailer $trailer, array $additionalData = [])
+    {
+        $this->eventId        = uniqid('event_');
+        $this->sentAt         = now()->toDateTimeString();
+        $this->companyUuid    = $trailer->company_uuid;
+        $this->trailerUuid    = $trailer->uuid;
+        $this->trailerId      = $trailer->public_id;
+        $this->location       = $trailer->location;
+        $this->altitude       = $trailer->altitude;
+        $this->heading        = $trailer->heading;
+        $this->speed          = $trailer->speed;
+        $this->additionalData = $additionalData;
+    }
+
+    public function broadcastOn(): array
+    {
+        return [new Channel('company.' . $this->companyUuid), new Channel('trailer.' . $this->trailerId), new Channel('trailer.' . $this->trailerUuid)];
+    }
+
+    public function broadcastAs(): string
+    {
+        return 'trailer.location_changed';
+    }
+
+    public function broadcastWith(): array
+    {
+        return [
+            'id'          => $this->eventId,
+            'api_version' => config('api.version'),
+            'event'       => $this->broadcastAs(),
+            'created_at'  => $this->sentAt,
+            'data'        => [
+                'id'             => $this->trailerId,
+                'location'       => $this->location,
+                'altitude'       => $this->altitude,
+                'heading'        => $this->heading,
+                'speed'          => $this->speed,
+                'additionalData' => $this->additionalData,
+            ],
+        ];
+    }
+}
diff --git a/server/src/Exports/TrailerExport.php b/server/src/Exports/TrailerExport.php
new file mode 100644
index 000000000..7626a9480
--- /dev/null
+++ b/server/src/Exports/TrailerExport.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Fleetbase\FleetOps\Exports;
+
+use Fleetbase\FleetOps\Models\Trailer;
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\ShouldAutoSize;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+use Maatwebsite\Excel\Concerns\WithMapping;
+
+class TrailerExport implements FromCollection, WithHeadings, WithMapping, ShouldAutoSize
+{
+    public function __construct(protected array $selections = [])
+    {
+    }
+
+    public function headings(): array
+    {
+        return ['ID', 'Name', 'Code', 'Type', 'Status', 'VIN', 'Plate Number', 'Serial Number', 'Make', 'Model', 'Year', 'Length', 'Width', 'Height', 'Tare Weight', 'GVWR', 'Payload Capacity', 'Cargo Volume', 'Axle Count', 'Tire Count', 'Coupling Type', 'Brake Type', 'Refrigerated', 'Measurement System', 'Odometer', 'Odometer Unit', 'Ownership Type', 'Purchased At', 'Lease Expires At', 'Notes', 'Date Created', 'Date Updated'];
+    }
+
+    public function map($trailer): array
+    {
+        return [$trailer->public_id, $trailer->name, $trailer->code, $trailer->type, $trailer->status, $trailer->vin, $trailer->plate_number, $trailer->serial_number, $trailer->make, $trailer->model, $trailer->year, $trailer->length, $trailer->width, $trailer->height, $trailer->tare_weight, $trailer->gvwr, $trailer->payload_capacity, $trailer->cargo_volume, $trailer->axle_count, $trailer->tire_count, $trailer->coupling_type, $trailer->brake_type, $trailer->refrigerated ? 'Yes' : 'No', $trailer->measurement_system, $trailer->odometer, $trailer->odometer_unit, $trailer->ownership_type, $trailer->purchased_at, $trailer->lease_expires_at, $trailer->notes, $trailer->created_at, $trailer->updated_at];
+    }
+
+    public function collection()
+    {
+        return Trailer::where('company_uuid', session('company'))->when($this->selections, fn ($q) => $q->whereIn('uuid', $this->selections))->get();
+    }
+}
diff --git a/server/src/Http/Controllers/Api/v1/Concerns/ResolvesFleetOpsApiResources.php b/server/src/Http/Controllers/Api/v1/Concerns/ResolvesFleetOpsApiResources.php
index 0e8e0c61a..27287284a 100644
--- a/server/src/Http/Controllers/Api/v1/Concerns/ResolvesFleetOpsApiResources.php
+++ b/server/src/Http/Controllers/Api/v1/Concerns/ResolvesFleetOpsApiResources.php
@@ -12,10 +12,10 @@
 use Fleetbase\FleetOps\Models\Order;
 use Fleetbase\FleetOps\Models\Part;
 use Fleetbase\FleetOps\Models\Telematic;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\Vendor;
 use Fleetbase\FleetOps\Models\Warranty;
-use Fleetbase\FleetOps\Support\Utils;
 use Fleetbase\Models\File;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
@@ -72,7 +72,10 @@ protected function resolveMorph(?string $type, ?string $id): array
             return [null, null];
         }
 
-        $modelClass = Utils::getMutationType($type);
+        $modelClass = $this->allowedMorphTypes()[$type] ?? null;
+        if (!$modelClass) {
+            throw ValidationException::withMessages(['type' => ['Unsupported resource type.']]);
+        }
         $model      = $this->resolveModel($modelClass, $id);
 
         return [$modelClass, $model->uuid];
@@ -166,6 +169,9 @@ protected function allowedMorphTypes(): array
             'fleet-ops:vehicle'                  => Vehicle::class,
             'vehicle'                            => Vehicle::class,
             Vehicle::class                       => Vehicle::class,
+            'fleet-ops:trailer'                  => Trailer::class,
+            'trailer'                            => Trailer::class,
+            Trailer::class                       => Trailer::class,
             'fleet-ops:driver'                   => Driver::class,
             'driver'                             => Driver::class,
             Driver::class                        => Driver::class,
diff --git a/server/src/Http/Controllers/Api/v1/DeviceController.php b/server/src/Http/Controllers/Api/v1/DeviceController.php
index a890eeaee..a521e6235 100644
--- a/server/src/Http/Controllers/Api/v1/DeviceController.php
+++ b/server/src/Http/Controllers/Api/v1/DeviceController.php
@@ -9,7 +9,6 @@
 use Fleetbase\FleetOps\Http\Resources\v1\Device as DeviceResource;
 use Fleetbase\FleetOps\Models\Device;
 use Fleetbase\FleetOps\Models\Telematic;
-use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\Warranty;
 use Fleetbase\FleetOps\Support\Utils;
 use Fleetbase\Http\Controllers\Controller;
@@ -90,28 +89,32 @@ public function attach(Request $request, string $id): JsonResponse
         $this->rejectUuidIdentifiers($request);
 
         $request->validate([
-            'vehicle' => 'required_without:attachable|string|nullable',
+            'vehicle'         => 'required_without:attachable|string|nullable',
+            'attachable'      => 'required_without:vehicle|string|nullable',
+            'attachable_type' => 'nullable|in:fleet-ops:vehicle,fleet-ops:trailer,vehicle,trailer',
         ]);
 
-        $deviceId  = $id;
-        $vehicleId = $request->input('vehicle') ?? $request->input('attachable');
+        $deviceId       = $id;
+        $attachableId   = $request->input('vehicle') ?? $request->input('attachable');
+        $attachableType = $request->filled('vehicle') ? 'fleet-ops:vehicle' : $request->input('attachable_type', 'fleet-ops:vehicle');
 
         try {
-            $device  = $this->resolveModel(Device::class, $deviceId);
-            $vehicle = $this->resolveModel(Vehicle::class, $vehicleId);
+            $device       = $this->resolveModel(Device::class, $deviceId);
+            [$modelClass] = $this->resolveMorph($attachableType, $attachableId);
+            $attachable   = $this->resolveModel($modelClass, $attachableId);
         } catch (\Illuminate\Database\Eloquent\ModelNotFoundException $exception) {
-            $this->logDeviceAttachmentLookupFailure('attach', $deviceId, $vehicleId);
+            $this->logDeviceAttachmentLookupFailure('attach', $deviceId, $attachableId);
 
-            return response()->json(['error' => 'Device or vehicle resource not found.'], 404);
+            return response()->json(['error' => 'Device or attachable resource not found.'], 404);
         }
 
         try {
-            $device->attachTo($vehicle);
+            $device->attachTo($attachable);
             $this->loadDeviceRelations($device);
         } catch (\Throwable $e) {
-            $this->logDeviceAttachmentFailure('attach', $device, $vehicle, $e);
+            $this->logDeviceAttachmentFailure('attach', $device, $attachable, $e);
 
-            return response()->json(['error' => 'Unable to attach device to vehicle.'], 500);
+            return response()->json(['error' => 'Unable to attach device to resource.'], 500);
         }
 
         return response()->json([
@@ -136,7 +139,7 @@ public function detach(string $id): JsonResponse
         } catch (\Throwable $e) {
             $this->logDeviceAttachmentFailure('detach', $device, null, $e);
 
-            return response()->json(['error' => 'Unable to detach device from vehicle.'], 500);
+            return response()->json(['error' => 'Unable to detach device from resource.'], 500);
         }
 
         return response()->json([
@@ -242,14 +245,15 @@ protected function logDeviceAttachmentLookupFailure(string $action, string $devi
         ]);
     }
 
-    protected function logDeviceAttachmentFailure(string $action, Device $device, ?Vehicle $vehicle, \Throwable $exception): void
+    protected function logDeviceAttachmentFailure(string $action, Device $device, ?\Illuminate\Database\Eloquent\Model $attachable, \Throwable $exception): void
     {
         Log::error('Public API device attachment failed', [
             'action'          => $action,
             'device_uuid'     => $device->uuid,
             'device_id'       => $device->public_id,
-            'vehicle_uuid'    => $vehicle?->uuid,
-            'vehicle_id'      => $vehicle?->public_id,
+            'attachable_type' => $attachable ? get_class($attachable) : null,
+            'attachable_uuid' => $attachable?->uuid,
+            'attachable_id'   => $attachable?->public_id,
             'company_uuid'    => session('company'),
             'request_id'      => request()->headers->get('X-Request-ID') ?? request()->headers->get('X-Correlation-ID'),
             'exception_class' => get_class($exception),
diff --git a/server/src/Http/Controllers/Api/v1/EquipmentController.php b/server/src/Http/Controllers/Api/v1/EquipmentController.php
index 2036fad9d..dbb9d4536 100644
--- a/server/src/Http/Controllers/Api/v1/EquipmentController.php
+++ b/server/src/Http/Controllers/Api/v1/EquipmentController.php
@@ -12,6 +12,7 @@
 use Fleetbase\Http\Controllers\Controller;
 use Fleetbase\Models\File;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 
 class EquipmentController extends Controller
 {
@@ -79,6 +80,52 @@ public function delete(string $id)
         return $this->deletedEquipmentResource($equipment);
     }
 
+    public function attach(Request $request, string $id)
+    {
+        $this->rejectUuidIdentifiers($request);
+        $request->validate(['attachable_type' => ['required', 'in:fleet-ops:vehicle,fleet-ops:trailer,vehicle,trailer'], 'attachable' => ['required', 'string']]);
+        try {
+            $equipment     = $this->resolveModel(Equipment::class, $id);
+            [$type, $uuid] = $this->resolveMorph($request->attachable_type, $request->attachable);
+        } catch (\Illuminate\Database\Eloquent\ModelNotFoundException) {
+            return response()->json(['error' => 'Equipment or attachable resource not found.'], 404);
+        }
+        $equipment = DB::transaction(function () use ($equipment, $type, $uuid) {
+            $locked = Equipment::where('company_uuid', session('company'))->where('uuid', $equipment->uuid)->lockForUpdate()->firstOrFail();
+            if ($locked->equipable_type === $type && $locked->equipable_uuid === $uuid) {
+                return $locked;
+            }
+            $locked->update(['equipable_type' => $type, 'equipable_uuid' => $uuid]);
+            activity('equipment_attached')->performedOn($locked)->withProperties(['attachable_type' => $type, 'attachable_uuid' => $uuid])->log('Equipment attached');
+
+            return $locked;
+        });
+
+        return $this->equipmentResource($equipment->refresh()->load(['warranty', 'photo', 'equipable']));
+    }
+
+    public function detach(string $id)
+    {
+        try {
+            $equipment = $this->resolveModel(Equipment::class, $id);
+        } catch (\Illuminate\Database\Eloquent\ModelNotFoundException) {
+            return response()->json(['error' => 'Equipment resource not found.'], 404);
+        }
+        $equipment = DB::transaction(function () use ($equipment) {
+            $locked = Equipment::where('company_uuid', session('company'))->where('uuid', $equipment->uuid)->lockForUpdate()->firstOrFail();
+            if (!$locked->equipable_uuid) {
+                return $locked;
+            }
+            $previous = ['attachable_type' => $locked->equipable_type, 'attachable_uuid' => $locked->equipable_uuid];
+            $locked->update(['equipable_type' => null, 'equipable_uuid' => null]);
+            activity('equipment_detached')->performedOn($locked)->withProperties($previous)->log('Equipment detached');
+
+            return $locked;
+        });
+
+        return $this->equipmentResource($equipment->refresh()->load(['warranty', 'photo', 'equipable']));
+    }
+
     protected function input(Request $request): array
     {
         $input = $request->only([
diff --git a/server/src/Http/Controllers/Api/v1/TrailerController.php b/server/src/Http/Controllers/Api/v1/TrailerController.php
new file mode 100644
index 000000000..851613b8f
--- /dev/null
+++ b/server/src/Http/Controllers/Api/v1/TrailerController.php
@@ -0,0 +1,362 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Controllers\Api\v1;
+
+use Fleetbase\FleetOps\Events\TrailerLocationChanged;
+use Fleetbase\FleetOps\Http\Controllers\Api\v1\Concerns\ResolvesFleetOpsApiResources;
+use Fleetbase\FleetOps\Http\Controllers\Api\v1\Concerns\ResolvesPublicExpansions;
+use Fleetbase\FleetOps\Http\Requests\CreateTrailerRequest;
+use Fleetbase\FleetOps\Http\Requests\UpdateTrailerRequest;
+use Fleetbase\FleetOps\Http\Resources\v1\AssetConnection as AssetConnectionResource;
+use Fleetbase\FleetOps\Http\Resources\v1\DeletedResource;
+use Fleetbase\FleetOps\Http\Resources\v1\Trailer as TrailerResource;
+use Fleetbase\FleetOps\Models\AssetConnection;
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Models\Vehicle;
+use Fleetbase\FleetOps\Models\Vendor;
+use Fleetbase\FleetOps\Models\Warranty;
+use Fleetbase\FleetOps\Support\Utils;
+use Fleetbase\Http\Controllers\Controller;
+use Fleetbase\LaravelMysqlSpatial\Types\Point;
+use Fleetbase\Models\Category;
+use Fleetbase\Models\File;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Http\Request;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
+
+class TrailerController extends Controller
+{
+    use ResolvesFleetOpsApiResources;
+    use ResolvesPublicExpansions;
+
+    /**
+     * Relations that are part of the base Trailer representation. The towing
+     * connection, attached devices and attached equipment are first-class trailer
+     * state, so they are always present rather than opt-in expansions.
+     */
+    private const RELATIONS = ['currentConnection.vehicle', 'connections.vehicle', 'devices', 'equipments'];
+
+    /**
+     * Optional expansions accepted through `with` / `expand`.
+     */
+    public const EXPANDABLE = [
+        'category'  => 'category',
+        'vendor'    => 'vendor',
+        'warranty'  => 'warranty',
+        'photo'     => 'photo',
+        'positions' => 'positions',
+    ];
+
+    public function create(CreateTrailerRequest $request)
+    {
+        $this->rejectUuidIdentifiers($request);
+        $this->applyPublicExpansions($request, static::EXPANDABLE);
+
+        $input                 = $this->input($request);
+        $input['company_uuid'] = session('company');
+
+        return new TrailerResource($this->load(Trailer::create($input), $request));
+    }
+
+    public function query(Request $request)
+    {
+        $this->rejectUuidIdentifiers($request);
+        $expansions = $this->applyPublicExpansions($request, static::EXPANDABLE);
+
+        return TrailerResource::collection($this->queryTrailers($request, fn (&$query) => $query->with(array_merge(self::RELATIONS, $expansions))->withCount(['devices', 'equipments'])));
+    }
+
+    public function find(string $id, ?Request $request = null)
+    {
+        // The parameter carries a default, so Laravel's dispatcher does not inject it;
+        // fall back to the container request so expansions are still mapped.
+        $request = $request instanceof Request ? $request : request();
+        $this->applyPublicExpansions($request, static::EXPANDABLE);
+
+        try {
+            return new TrailerResource($this->load($this->resolveModel(Trailer::class, $id), $request));
+        } catch (ModelNotFoundException) {
+            return $this->notFound();
+        }
+    }
+
+    public function update(string $id, UpdateTrailerRequest $request)
+    {
+        $this->rejectUuidIdentifiers($request);
+        $this->applyPublicExpansions($request, static::EXPANDABLE);
+
+        try {
+            $trailer = $this->resolveModel(Trailer::class, $id);
+        } catch (ModelNotFoundException) {
+            return $this->notFound();
+        }
+
+        $trailer->update($this->input($request));
+
+        return new TrailerResource($this->load($trailer->refresh(), $request));
+    }
+
+    public function delete(string $id)
+    {
+        try {
+            $trailer = $this->resolveModel(Trailer::class, $id);
+        } catch (ModelNotFoundException) {
+            return $this->notFound();
+        }
+
+        if ($this->hasActiveConnection($trailer)) {
+            return response()->json(['error' => 'Detach the trailer before deleting it.'], 409);
+        }
+
+        $trailer->delete();
+
+        return new DeletedResource($trailer);
+    }
+
+    /**
+     * Record a direct Trailer observation. Stale observations (older than the last
+     * recorded telemetry event) and null-island coordinates are acknowledged without
+     * mutating live state.
+     */
+    public function track(string $id, Request $request)
+    {
+        $request->validate([
+            'latitude'    => ['required', 'numeric', 'between:-90,90'],
+            'longitude'   => ['required', 'numeric', 'between:-180,180'],
+            'observed_at' => ['nullable', 'date'],
+            'speed'       => ['nullable', 'numeric', 'min:0'],
+            'heading'     => ['nullable', 'numeric', 'between:0,360'],
+            'altitude'    => ['nullable', 'numeric'],
+            'odometer'    => ['nullable', 'numeric', 'min:0'],
+        ]);
+
+        try {
+            $resolved = $this->resolveModel(Trailer::class, $id);
+        } catch (ModelNotFoundException) {
+            return $this->notFound();
+        }
+
+        if ((float) $request->latitude === 0.0 && (float) $request->longitude === 0.0) {
+            return new TrailerResource($this->load($resolved, $request));
+        }
+
+        [$trailer, $changed] = DB::transaction(function () use ($resolved, $request) {
+            $trailer    = Trailer::where('company_uuid', session('company'))->where('uuid', $resolved->uuid)->lockForUpdate()->firstOrFail();
+            $observedAt = $request->date('observed_at') ?? now();
+            $currentAt  = data_get($trailer->telematics, 'last_event_at');
+
+            if ($currentAt && $observedAt->lt(Carbon::parse($currentAt))) {
+                return [$trailer, false];
+            }
+
+            $snapshot = ['location' => new Point((float) $request->latitude, (float) $request->longitude), 'online' => true, 'last_online_at' => $observedAt];
+            foreach (['speed', 'heading', 'altitude', 'odometer'] as $field) {
+                if ($request->exists($field)) {
+                    $snapshot[$field] = $request->input($field);
+                }
+            }
+
+            $snapshot['telematics'] = array_merge($trailer->telematics ?? [], [
+                'last_event_at'       => $observedAt->toISOString(),
+                'last_provider'       => 'public_api',
+                'last_telemetry_data' => $request->only(['speed', 'heading', 'altitude', 'odometer']),
+            ]);
+
+            $trailer->update($snapshot);
+            $trailer->createPosition($request->only(['latitude', 'longitude', 'speed', 'heading', 'altitude']));
+
+            return [$trailer, true];
+        }, 3);
+
+        if ($changed) {
+            broadcast(new TrailerLocationChanged($trailer, ['source' => 'public_api']));
+        }
+
+        return new TrailerResource($this->load($trailer, $request));
+    }
+
+    /**
+     * Attach the Trailer to a Vehicle. Re-attaching to the same Vehicle is idempotent
+     * and returns the existing active connection.
+     */
+    public function attach(string $id, Request $request)
+    {
+        $this->rejectUuidIdentifiers($request);
+        $request->validate([
+            'vehicle'      => ['required', 'string'],
+            'connected_at' => ['nullable', 'date'],
+            'source'       => ['nullable', 'string', 'max:255'],
+            'position'     => ['nullable', 'integer', 'min:1'],
+        ]);
+
+        try {
+            $trailer = $this->resolveModel(Trailer::class, $id);
+            $vehicle = $this->resolveModel(Vehicle::class, $request->input('vehicle'));
+        } catch (ModelNotFoundException) {
+            return response()->json(['error' => 'Trailer or vehicle resource not found.'], 404);
+        }
+
+        $result = DB::transaction(function () use ($trailer, $vehicle, $request) {
+            $active = $this->activeConnectionQuery($trailer)->lockForUpdate()->first();
+
+            if ($active) {
+                if ($active->connector_uuid === $vehicle->uuid) {
+                    return $active;
+                }
+
+                return 'Trailer is already attached to another vehicle. Detach it before moving.';
+            }
+
+            $position    = $request->integer('position', 1);
+            $positionKey = $vehicle->uuid . ':' . $position;
+
+            if (AssetConnection::where('company_uuid', session('company'))->where('active_connector_position', $positionKey)->lockForUpdate()->exists()) {
+                return 'Another trailer already occupies this towing position.';
+            }
+
+            return AssetConnection::create([
+                'company_uuid'              => session('company'),
+                'connector_type'            => Vehicle::class,
+                'connector_uuid'            => $vehicle->uuid,
+                'connected_type'            => Trailer::class,
+                'connected_uuid'            => $trailer->uuid,
+                'active_connected_uuid'     => $trailer->uuid,
+                'active_connector_position' => $positionKey,
+                'relationship_type'         => 'towing',
+                'position'                  => $position,
+                'connected_at'              => $request->date('connected_at') ?? now(),
+                'source'                    => $request->input('source', 'manual'),
+                'created_by_uuid'           => session('user'),
+                'updated_by_uuid'           => session('user'),
+            ]);
+        }, 3);
+
+        if (is_string($result)) {
+            return response()->json(['error' => $result], 409);
+        }
+
+        return new AssetConnectionResource($result->load(['vehicle', 'trailer']));
+    }
+
+    /**
+     * End the active towing connection while preserving it as history. Detaching an
+     * unattached Trailer is a no-op.
+     */
+    public function detach(string $id, Request $request)
+    {
+        $request->validate([
+            'disconnected_at' => ['nullable', 'date'],
+            'notes'           => ['nullable', 'string'],
+        ]);
+
+        try {
+            $trailer = $this->resolveModel(Trailer::class, $id);
+        } catch (ModelNotFoundException) {
+            return $this->notFound();
+        }
+
+        $connection = DB::transaction(function () use ($trailer, $request) {
+            $active = $this->activeConnectionQuery($trailer)->lockForUpdate()->first();
+
+            if (!$active) {
+                return null;
+            }
+
+            $active->update([
+                'disconnected_at'           => $request->date('disconnected_at') ?? now(),
+                'active_connected_uuid'     => null,
+                'active_connector_position' => null,
+                'notes'                     => $request->input('notes', $active->notes),
+                'updated_by_uuid'           => session('user'),
+            ]);
+
+            return $active->load(['vehicle', 'trailer']);
+        }, 3);
+
+        return response()->json([
+            'status'     => 'ok',
+            'connection' => $connection ? new AssetConnectionResource($connection) : null,
+        ]);
+    }
+
+    public function connections(string $id)
+    {
+        try {
+            $trailer = $this->resolveModel(Trailer::class, $id);
+        } catch (ModelNotFoundException) {
+            return $this->notFound();
+        }
+
+        return AssetConnectionResource::collection($trailer->connections()->with(['vehicle', 'trailer'])->get());
+    }
+
+    public function vehicleTrailers(string $id)
+    {
+        try {
+            $vehicle = $this->resolveModel(Vehicle::class, $id);
+        } catch (ModelNotFoundException) {
+            return response()->json(['error' => 'Vehicle resource not found.'], 404);
+        }
+
+        $trailers = Trailer::whereHas('currentConnection', fn ($q) => $q->where('connector_uuid', $vehicle->uuid))
+            ->with(self::RELATIONS)
+            ->withCount(['devices', 'equipments'])
+            ->get();
+
+        return TrailerResource::collection($trailers);
+    }
+
+    protected function input(Request $request): array
+    {
+        $input = $request->only([
+            'name', 'description', 'code', 'type', 'body_type', 'status', 'vin', 'plate_number', 'serial_number', 'make', 'model', 'year', 'color',
+            'usage_type', 'measurement_system', 'odometer', 'odometer_unit', 'ownership_type', 'purchased_at', 'lease_expires_at', 'financing_status',
+            'currency', 'acquisition_cost', 'current_value', 'insurance_value', 'depreciation_rate', 'length', 'width', 'height', 'tare_weight', 'gvwr',
+            'payload_capacity', 'cargo_volume', 'axle_count', 'tire_count', 'door_count', 'coupling_type', 'brake_type', 'abs_equipped', 'ebs_equipped',
+            'refrigerated', 'temperature_min', 'temperature_max', 'reefer_engine_hours', 'capacity', 'specs', 'attributes', 'notes',
+        ]);
+
+        if ($request->filled(['latitude', 'longitude'])) {
+            $input['location'] = new Point((float) $request->latitude, (float) $request->longitude);
+        } elseif ($request->filled('location')) {
+            $input['location'] = Utils::getPointFromCoordinates($request->location);
+        }
+
+        $this->applyPublicIdRelation($input, 'category', 'category_uuid', Category::class, $request);
+        $this->applyPublicIdRelation($input, 'vendor', 'vendor_uuid', Vendor::class, $request);
+        $this->applyPublicIdRelation($input, 'warranty', 'warranty_uuid', Warranty::class, $request);
+        $this->applyPublicIdRelation($input, 'photo', 'photo_uuid', File::class, $request);
+
+        return $input;
+    }
+
+    protected function queryTrailers(Request $request, callable $callback)
+    {
+        // @codeCoverageIgnoreStart
+        return Trailer::queryWithRequest($request, $callback);
+        // @codeCoverageIgnoreEnd
+    }
+
+    protected function activeConnectionQuery(Trailer $trailer)
+    {
+        return AssetConnection::where('company_uuid', session('company'))->where('active_connected_uuid', $trailer->uuid);
+    }
+
+    protected function hasActiveConnection(Trailer $trailer): bool
+    {
+        return $this->activeConnectionQuery($trailer)->exists();
+    }
+
+    protected function notFound()
+    {
+        return response()->json(['error' => 'Trailer resource not found.'], 404);
+    }
+
+    private function load(Trailer $trailer, ?Request $request = null): Trailer
+    {
+        $expansions = $request ? $this->resolvePublicExpansions($request, static::EXPANDABLE) : [];
+
+        return $trailer->load(array_merge(self::RELATIONS, $expansions))->loadCount(['devices', 'equipments']);
+    }
+}
diff --git a/server/src/Http/Controllers/Api/v1/VehicleController.php b/server/src/Http/Controllers/Api/v1/VehicleController.php
index ffaff5dcd..04f293d1a 100644
--- a/server/src/Http/Controllers/Api/v1/VehicleController.php
+++ b/server/src/Http/Controllers/Api/v1/VehicleController.php
@@ -52,6 +52,7 @@ class VehicleController extends Controller
         'warranty' => 'warranty',
         'photo'    => 'photo',
         'devices'  => 'devices',
+        'trailers' => 'currentTrailers',
     ];
 
     /**
diff --git a/server/src/Http/Controllers/Internal/v1/SearchController.php b/server/src/Http/Controllers/Internal/v1/SearchController.php
index 463dca49f..acbcd8fce 100644
--- a/server/src/Http/Controllers/Internal/v1/SearchController.php
+++ b/server/src/Http/Controllers/Internal/v1/SearchController.php
@@ -21,6 +21,7 @@
 use Fleetbase\FleetOps\Models\Sensor;
 use Fleetbase\FleetOps\Models\ServiceRate;
 use Fleetbase\FleetOps\Models\Telematic;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\Vendor;
 use Fleetbase\FleetOps\Models\WorkOrder;
@@ -38,6 +39,7 @@ class SearchController extends Controller
         'orders',
         'drivers',
         'vehicles',
+        'trailers',
         'fleets',
         'vendors',
         'contacts',
@@ -108,6 +110,7 @@ private function canSearchType(string $type): bool
             'orders'                => 'fleet-ops see order',
             'drivers'               => 'fleet-ops see driver',
             'vehicles'              => 'fleet-ops see vehicle',
+            'trailers'              => 'fleet-ops see trailer',
             'fleets'                => 'fleet-ops see fleet',
             'vendors'               => 'fleet-ops see vendor',
             'contacts'              => 'fleet-ops see contact',
@@ -144,6 +147,7 @@ private function searchType(string $type, string $query, int $limit): Collection
             'orders'                => $this->searchOrders($query, $limit),
             'drivers'               => $this->searchDrivers($query, $limit),
             'vehicles'              => $this->searchVehicles($query, $limit),
+            'trailers'              => $this->searchTrailers($query, $limit),
             'fleets'                => $this->searchFleets($query, $limit),
             'vendors'               => $this->searchVendors($query, $limit),
             'contacts'              => $this->searchContacts($query, $limit),
@@ -226,6 +230,18 @@ private function searchVehicles(string $query, int $limit): Collection
         ]);
     }
 
+    private function searchTrailers(string $query, int $limit): Collection
+    {
+        return $this->searchGeneric(Trailer::class, ['name', 'description', 'code', 'make', 'model', 'year', 'plate_number', 'vin', 'serial_number', 'public_id', 'uuid'], $query, $limit, fn (Trailer $trailer) => [
+            'label'       => $trailer->display_name ?: $trailer->name ?: $trailer->public_id,
+            'description' => $this->description($trailer->type, $trailer->plate_number, $trailer->status),
+            'icon'        => 'trailer', 'type' => 'Trailer',
+            'route'       => 'console.fleet-ops.management.trailers.index.details',
+            'models'      => [$this->routeModel($trailer)],
+            'breadcrumb'  => 'Fleet-Ops > Resources > Trailers',
+        ]);
+    }
+
     private function searchFleets(string $query, int $limit): Collection
     {
         return $this->searchGeneric(Fleet::class, ['name', 'public_id', 'uuid'], $query, $limit, fn (Fleet $fleet) => [
diff --git a/server/src/Http/Controllers/Internal/v1/TrailerController.php b/server/src/Http/Controllers/Internal/v1/TrailerController.php
new file mode 100644
index 000000000..928825a39
--- /dev/null
+++ b/server/src/Http/Controllers/Internal/v1/TrailerController.php
@@ -0,0 +1,355 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Controllers\Internal\v1;
+
+use Fleetbase\FleetOps\Exports\TrailerExport;
+use Fleetbase\FleetOps\Http\Controllers\FleetOpsController;
+use Fleetbase\FleetOps\Http\Resources\v1\AssetConnection as AssetConnectionResource;
+use Fleetbase\FleetOps\Http\Resources\v1\Trailer as TrailerResource;
+use Fleetbase\FleetOps\Imports\TrailerImport;
+use Fleetbase\FleetOps\Models\AssetConnection;
+use Fleetbase\FleetOps\Models\Device;
+use Fleetbase\FleetOps\Models\Equipment;
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Models\Vehicle;
+use Fleetbase\Http\Requests\ExportRequest;
+use Fleetbase\Http\Requests\ImportRequest;
+use Fleetbase\Support\Resolve;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+use Maatwebsite\Excel\Facades\Excel;
+
+class TrailerController extends FleetOpsController
+{
+    /**
+     * The resource to query.
+     *
+     * @var string
+     */
+    public $resource = 'trailer';
+
+    /**
+     * Handle post save transactions.
+     */
+    public function afterSave(Request $request, Trailer $trailer): void
+    {
+        $values = $request->array('trailer.custom_field_values');
+
+        if ($values) {
+            $trailer->syncCustomFieldValues($values);
+        }
+    }
+
+    /**
+     * Deleting a trailer that is still coupled to a vehicle would orphan the active
+     * towing connection, so it must be detached first.
+     */
+    public function deleteRecord($id, Request $request)
+    {
+        $trailer = $this->resolveTrailer($id);
+
+        if ($trailer && $this->activeConnectionQuery($trailer)->exists()) {
+            return response()->error('Detach the trailer from its vehicle before deleting it.', 409);
+        }
+
+        return $this->deleteTrailerRecord($id, $request);
+    }
+
+    // @codeCoverageIgnoreStart
+    // Thin seam over the framework delete flow; the guard above is what this controller owns.
+    protected function deleteTrailerRecord($id, Request $request)
+    {
+        return parent::deleteRecord($id, $request);
+    }
+
+    // @codeCoverageIgnoreEnd
+
+    /**
+     * Attach the trailer to a vehicle. Re-attaching to the same vehicle is idempotent.
+     */
+    public function attach(Request $request, string $id)
+    {
+        $request->validate(['vehicle' => ['required', 'string'], 'position' => ['nullable', 'integer', 'min:1']]);
+
+        $trailer = $this->resolveTrailer($id);
+        $vehicle = $this->resolveVehicle($request->input('vehicle'));
+
+        if (!$trailer) {
+            return response()->error('Trailer not found or not available for this organization.', 404);
+        }
+
+        if (!$vehicle) {
+            return response()->error('Vehicle not found or not available for this organization.', 404);
+        }
+
+        $result = DB::transaction(function () use ($trailer, $vehicle, $request) {
+            $active = $this->activeConnectionQuery($trailer)->lockForUpdate()->first();
+
+            if ($active) {
+                if ($active->connector_uuid !== $vehicle->uuid) {
+                    return 'Trailer is already attached to another vehicle. Detach it before moving.';
+                }
+
+                return $active;
+            }
+
+            $position    = $request->integer('position', 1);
+            $positionKey = $vehicle->uuid . ':' . $position;
+
+            if (AssetConnection::where('company_uuid', session('company'))->where('active_connector_position', $positionKey)->lockForUpdate()->exists()) {
+                return 'Another trailer already occupies this towing position.';
+            }
+
+            return AssetConnection::create([
+                'company_uuid'              => session('company'),
+                'connector_type'            => Vehicle::class,
+                'connector_uuid'            => $vehicle->uuid,
+                'connected_type'            => Trailer::class,
+                'connected_uuid'            => $trailer->uuid,
+                'active_connected_uuid'     => $trailer->uuid,
+                'active_connector_position' => $positionKey,
+                'relationship_type'         => 'towing',
+                'position'                  => $position,
+                'connected_at'              => now(),
+                'source'                    => 'manual',
+                'created_by_uuid'           => session('user'),
+                'updated_by_uuid'           => session('user'),
+            ]);
+        }, 3);
+
+        if (is_string($result)) {
+            return response()->error($result, 409);
+        }
+
+        return response()->json([
+            'status'     => 'ok',
+            'message'    => 'Trailer attached to vehicle.',
+            'trailer'    => new TrailerResource($trailer->fresh(['currentConnection.vehicle'])),
+            'connection' => new AssetConnectionResource($result->load(['vehicle', 'trailer'])),
+        ]);
+    }
+
+    /**
+     * End the active towing connection. Detaching an unattached trailer is a no-op.
+     */
+    public function detach(string $id)
+    {
+        $trailer = $this->resolveTrailer($id);
+
+        if (!$trailer) {
+            return response()->error('Trailer not found or not available for this organization.', 404);
+        }
+
+        DB::transaction(fn () => $this->activeConnectionQuery($trailer)->lockForUpdate()->update([
+            'active_connected_uuid'     => null,
+            'active_connector_position' => null,
+            'disconnected_at'           => now(),
+            'updated_by_uuid'           => session('user'),
+            'updated_at'                => now(),
+        ]));
+
+        return response()->json([
+            'status'  => 'ok',
+            'message' => 'Trailer detached from vehicle.',
+            'trailer' => new TrailerResource($trailer->fresh(['currentConnection.vehicle'])),
+        ]);
+    }
+
+    public function attachDevice(Request $request, string $id)
+    {
+        $request->validate(['device' => ['required', 'string']]);
+
+        $trailer = $this->resolveTrailer($id);
+        $device  = $this->resolveDevice($request->input('device'));
+
+        if (!$trailer) {
+            return response()->error('Trailer not found or not available for this organization.', 404);
+        }
+
+        if (!$device) {
+            return response()->error('Device not found or not available for this organization.', 404);
+        }
+
+        $device->attachTo($trailer);
+
+        return response()->json([
+            'status'  => 'ok',
+            'message' => 'Device attached to trailer.',
+            'trailer' => new TrailerResource($trailer->fresh(['devices'])),
+            'device'  => Resolve::httpResourceForModel($device->fresh(['attachable'])),
+        ]);
+    }
+
+    public function detachDevice(Request $request, string $id)
+    {
+        $request->validate(['device' => ['required', 'string']]);
+
+        $trailer = $this->resolveTrailer($id);
+        $device  = $this->resolveDevice($request->input('device'));
+
+        if (!$trailer) {
+            return response()->error('Trailer not found or not available for this organization.', 404);
+        }
+
+        if (!$device) {
+            return response()->error('Device not found or not available for this organization.', 404);
+        }
+
+        if ($device->attachable_uuid !== $trailer->uuid || $device->attachable_type !== Trailer::class) {
+            return response()->error('This device is not attached to the selected trailer.', 422);
+        }
+
+        $device->detach();
+
+        return response()->json([
+            'status'  => 'ok',
+            'message' => 'Device detached from trailer.',
+            'trailer' => new TrailerResource($trailer->fresh(['devices'])),
+            'device'  => Resolve::httpResourceForModel($device->fresh(['attachable'])),
+        ]);
+    }
+
+    public function attachEquipment(Request $request, string $id)
+    {
+        $request->validate(['equipment' => ['required', 'string']]);
+
+        $trailer   = $this->resolveTrailer($id);
+        $equipment = $this->resolveEquipment($request->input('equipment'));
+
+        if (!$trailer) {
+            return response()->error('Trailer not found or not available for this organization.', 404);
+        }
+
+        if (!$equipment) {
+            return response()->error('Equipment not found or not available for this organization.', 404);
+        }
+
+        DB::transaction(function () use ($equipment, $trailer) {
+            Equipment::where('uuid', $equipment->uuid)->lockForUpdate()->firstOrFail()->update(['equipable_type' => Trailer::class, 'equipable_uuid' => $trailer->uuid]);
+        });
+
+        return response()->json([
+            'status'    => 'ok',
+            'message'   => 'Equipment attached to trailer.',
+            'trailer'   => new TrailerResource($trailer->fresh(['equipments'])),
+            'equipment' => Resolve::httpResourceForModel($equipment->fresh(['equipable'])),
+        ]);
+    }
+
+    public function detachEquipment(Request $request, string $id)
+    {
+        $request->validate(['equipment' => ['required', 'string']]);
+
+        $trailer   = $this->resolveTrailer($id);
+        $equipment = $this->resolveEquipment($request->input('equipment'));
+
+        if (!$trailer) {
+            return response()->error('Trailer not found or not available for this organization.', 404);
+        }
+
+        if (!$equipment) {
+            return response()->error('Equipment not found or not available for this organization.', 404);
+        }
+
+        if ($equipment->equipable_uuid !== $trailer->uuid || $equipment->equipable_type !== Trailer::class) {
+            return response()->error('This equipment is not attached to the selected trailer.', 422);
+        }
+
+        DB::transaction(fn () => Equipment::where('uuid', $equipment->uuid)->lockForUpdate()->update(['equipable_type' => null, 'equipable_uuid' => null]));
+
+        return response()->json([
+            'status'    => 'ok',
+            'message'   => 'Equipment detached from trailer.',
+            'trailer'   => new TrailerResource($trailer->fresh(['equipments'])),
+            'equipment' => Resolve::httpResourceForModel($equipment->fresh(['equipable'])),
+        ]);
+    }
+
+    /**
+     * Lifecycle statuses available to trailers, used by the console status filter.
+     */
+    public function statuses()
+    {
+        return response()->json(Trailer::STATUSES);
+    }
+
+    /**
+     * Trailer classification types, used by the console type filter.
+     */
+    public function types()
+    {
+        return response()->json(Trailer::TYPES);
+    }
+
+    public function export(ExportRequest $request)
+    {
+        $format = $request->input('format', 'xlsx');
+
+        return $this->downloadExport(new TrailerExport($request->array('selections')), Str::slug('trailers-' . date('Y-m-d-H:i')) . '.' . $format);
+    }
+
+    public function import(ImportRequest $request)
+    {
+        $count = 0;
+
+        foreach ($request->resolveFilesFromIds() as $file) {
+            $import = $this->createImport();
+            $this->importFile($import, $file->path, $request->input('disk', config('filesystems.default')));
+            $count += $import->imported;
+        }
+
+        return response()->json(['status' => 'ok', 'message' => 'Import completed', 'imported' => $count]);
+    }
+
+    protected function resolveTrailer(string $id): ?Trailer
+    {
+        return Trailer::where('company_uuid', session('company'))
+            ->where(fn ($query) => $query->where('uuid', $id)->orWhere('public_id', $id))
+            ->first();
+    }
+
+    protected function resolveVehicle(string $id): ?Vehicle
+    {
+        return Vehicle::where('company_uuid', session('company'))
+            ->where(fn ($query) => $query->where('uuid', $id)->orWhere('public_id', $id)->orWhere('internal_id', $id))
+            ->first();
+    }
+
+    protected function resolveDevice(string $id): ?Device
+    {
+        return Device::where('company_uuid', session('company'))
+            ->where(fn ($query) => $query->where('uuid', $id)->orWhere('public_id', $id))
+            ->first();
+    }
+
+    protected function resolveEquipment(string $id): ?Equipment
+    {
+        return Equipment::where('company_uuid', session('company'))
+            ->where(fn ($query) => $query->where('uuid', $id)->orWhere('public_id', $id))
+            ->first();
+    }
+
+    protected function activeConnectionQuery(Trailer $trailer)
+    {
+        return AssetConnection::where('company_uuid', session('company'))->where('active_connected_uuid', $trailer->uuid);
+    }
+
+    // @codeCoverageIgnoreStart
+    // Thin spreadsheet adapter seams are exercised through export/import caller behavior.
+    protected function downloadExport(TrailerExport $export, string $fileName)
+    {
+        return Excel::download($export, $fileName);
+    }
+
+    protected function createImport(): TrailerImport
+    {
+        return new TrailerImport();
+    }
+
+    protected function importFile(TrailerImport $import, string $path, string $disk): void
+    {
+        Excel::import($import, $path, $disk);
+    }
+    // @codeCoverageIgnoreEnd
+}
diff --git a/server/src/Http/Controllers/Internal/v1/VehicleController.php b/server/src/Http/Controllers/Internal/v1/VehicleController.php
index fa272c2c1..72234b846 100644
--- a/server/src/Http/Controllers/Internal/v1/VehicleController.php
+++ b/server/src/Http/Controllers/Internal/v1/VehicleController.php
@@ -8,10 +8,12 @@
 use Fleetbase\FleetOps\Imports\VehicleImport;
 use Fleetbase\FleetOps\Models\Device;
 use Fleetbase\FleetOps\Models\Driver;
+use Fleetbase\FleetOps\Models\Equipment;
 use Fleetbase\FleetOps\Models\Order;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\Http\Requests\ExportRequest;
 use Fleetbase\Http\Requests\ImportRequest;
+use Fleetbase\Support\Resolve;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Arr;
@@ -256,6 +258,66 @@ public function detachDevice(Request $request, string $id): JsonResponse
         ]);
     }
 
+    /**
+     * Attach equipment to the vehicle. Equipment can only be equipped to one asset at a
+     * time, so attaching moves it from any previous vehicle or trailer.
+     */
+    public function attachEquipment(Request $request, string $id): JsonResponse
+    {
+        $request->validate(['equipment' => 'required|string']);
+
+        $vehicle   = $this->resolveVehicle($id);
+        $equipment = $this->resolveEquipment($request->input('equipment'));
+
+        if (!$vehicle) {
+            return response()->error('Vehicle not found or not available for this organization.', 404);
+        }
+
+        if (!$equipment) {
+            return response()->error('Equipment not found or not available for this organization.', 404);
+        }
+
+        DB::transaction(function () use ($equipment, $vehicle) {
+            Equipment::where('uuid', $equipment->uuid)->lockForUpdate()->firstOrFail()->update(['equipable_type' => Vehicle::class, 'equipable_uuid' => $vehicle->uuid]);
+        });
+
+        return response()->json([
+            'status'    => 'ok',
+            'message'   => 'Equipment attached to vehicle.',
+            'vehicle'   => Resolve::httpResourceForModel($vehicle->fresh(['equipments'])),
+            'equipment' => Resolve::httpResourceForModel($equipment->fresh(['equipable'])),
+        ]);
+    }
+
+    public function detachEquipment(Request $request, string $id): JsonResponse
+    {
+        $request->validate(['equipment' => 'required|string']);
+
+        $vehicle   = $this->resolveVehicle($id);
+        $equipment = $this->resolveEquipment($request->input('equipment'));
+
+        if (!$vehicle) {
+            return response()->error('Vehicle not found or not available for this organization.', 404);
+        }
+
+        if (!$equipment) {
+            return response()->error('Equipment not found or not available for this organization.', 404);
+        }
+
+        if ($equipment->equipable_uuid !== $vehicle->uuid || $equipment->equipable_type !== Vehicle::class) {
+            return response()->error('This equipment is not attached to the selected vehicle.', 422);
+        }
+
+        DB::transaction(fn () => Equipment::where('uuid', $equipment->uuid)->lockForUpdate()->update(['equipable_type' => null, 'equipable_uuid' => null]));
+
+        return response()->json([
+            'status'    => 'ok',
+            'message'   => 'Equipment detached from vehicle.',
+            'vehicle'   => Resolve::httpResourceForModel($vehicle->fresh(['equipments'])),
+            'equipment' => Resolve::httpResourceForModel($equipment->fresh(['equipable'])),
+        ]);
+    }
+
     protected function findVehicle(string $id): Vehicle
     {
         return Vehicle::where(function ($query) use ($id) {
@@ -283,6 +345,15 @@ protected function findDriver(string $id): Driver
             ->firstOrFail();
     }
 
+    protected function resolveEquipment(string $id): ?Equipment
+    {
+        return Equipment::where(function ($query) use ($id) {
+            $query->where('uuid', $id)->orWhere('public_id', $id);
+        })
+            ->where('company_uuid', session('company'))
+            ->first();
+    }
+
     protected function resolveDevice(string $id): ?Device
     {
         return Device::where(function ($query) use ($id) {
diff --git a/server/src/Http/Filter/EquipmentFilter.php b/server/src/Http/Filter/EquipmentFilter.php
index a1ed5083e..e8686cdb1 100644
--- a/server/src/Http/Filter/EquipmentFilter.php
+++ b/server/src/Http/Filter/EquipmentFilter.php
@@ -2,7 +2,11 @@
 
 namespace Fleetbase\FleetOps\Http\Filter;
 
+use Fleetbase\FleetOps\Models\Driver;
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\Http\Filter\Filter;
+use Fleetbase\Support\Http;
 
 class EquipmentFilter extends Filter
 {
@@ -20,4 +24,51 @@ public function query(?string $searchQuery)
     {
         $this->builder->search($searchQuery);
     }
+
+    public function attachmentState(?string $state)
+    {
+        $state === 'attached' ? $this->builder->whereNotNull('equipable_uuid') : $this->builder->whereNull('equipable_uuid');
+    }
+
+    public function equipableType(?string $type)
+    {
+        $class = match ($type) {
+            'vehicle', 'fleet-ops:vehicle' => Vehicle::class, 'trailer', 'fleet-ops:trailer' => Trailer::class, default => null,
+        };
+        $class ? $this->builder->where('equipable_type', $class) : $this->builder->whereRaw('0 = 1');
+    }
+
+    /**
+     * Filter by the asset the equipment is equipped to. `equipable` is a morphTo relation,
+     * which `whereHas` cannot traverse, so the identifier is resolved to the asset UUID
+     * across every equipable model first. The public API filters by public id; the
+     * console may also pass the asset UUID.
+     */
+    public function equipable($id)
+    {
+        $identifiers = array_values(array_filter(array_map('strval', (array) $id), 'strlen'));
+
+        if (empty($identifiers)) {
+            return;
+        }
+
+        $allowUuid = Http::isInternalRequest($this->request);
+        $uuids     = [];
+
+        foreach ([Vehicle::class, Trailer::class, Driver::class] as $modelClass) {
+            $uuids = array_merge($uuids, $modelClass::query()
+                ->where('company_uuid', $this->session->get('company'))
+                ->where(function ($query) use ($identifiers, $allowUuid) {
+                    $query->whereIn('public_id', $identifiers);
+
+                    if ($allowUuid) {
+                        $query->orWhereIn('uuid', $identifiers);
+                    }
+                })
+                ->pluck('uuid')
+                ->all());
+        }
+
+        $this->builder->whereIn('equipable_uuid', $uuids);
+    }
 }
diff --git a/server/src/Http/Filter/TrailerFilter.php b/server/src/Http/Filter/TrailerFilter.php
new file mode 100644
index 000000000..b1cef1653
--- /dev/null
+++ b/server/src/Http/Filter/TrailerFilter.php
@@ -0,0 +1,258 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Filter;
+
+use Fleetbase\FleetOps\Models\Vehicle;
+use Fleetbase\FleetOps\Models\Vendor;
+use Fleetbase\FleetOps\Support\Utils;
+use Fleetbase\Http\Filter\Filter;
+use Fleetbase\Models\Category;
+use Fleetbase\Support\Http;
+
+class TrailerFilter extends Filter
+{
+    public function queryForInternal()
+    {
+        $this->builder->where('company_uuid', $this->session->get('company'));
+    }
+
+    public function queryForPublic()
+    {
+        $this->queryForInternal();
+    }
+
+    public function query(?string $value)
+    {
+        $this->builder->search($value);
+    }
+
+    public function publicId(?string $value)
+    {
+        $this->builder->searchWhere('public_id', $value);
+    }
+
+    public function name(?string $value)
+    {
+        $this->builder->searchWhere('name', $value);
+    }
+
+    public function code(?string $value)
+    {
+        $this->builder->searchWhere('code', $value);
+    }
+
+    public function trailerType($value)
+    {
+        $this->whereOneOf('type', $value);
+    }
+
+    public function status($value)
+    {
+        $this->whereOneOf('status', $value);
+    }
+
+    public function trailerMake(?string $value)
+    {
+        $this->builder->searchWhere('make', $value);
+    }
+
+    public function trailerModel(?string $value)
+    {
+        $this->builder->searchWhere('model', $value);
+    }
+
+    public function trailerYear($value)
+    {
+        $this->whereOneOf('year', $value);
+    }
+
+    public function plateNumber(?string $value)
+    {
+        $this->builder->searchWhere('plate_number', $value);
+    }
+
+    public function vin(?string $value)
+    {
+        $this->builder->searchWhere('vin', $value);
+    }
+
+    public function serialNumber(?string $value)
+    {
+        $this->builder->searchWhere('serial_number', $value);
+    }
+
+    public function bodyType(?string $value)
+    {
+        $this->builder->searchWhere('body_type', $value);
+    }
+
+    public function length($value)
+    {
+        $this->whereOneOf('length', $value);
+    }
+
+    public function axleCount($value)
+    {
+        $this->whereOneOf('axle_count', $value);
+    }
+
+    public function gvwr($value)
+    {
+        $this->whereOneOf('gvwr', $value);
+    }
+
+    public function payloadCapacity($value)
+    {
+        $this->whereOneOf('payload_capacity', $value);
+    }
+
+    public function ownershipType($value)
+    {
+        $this->whereOneOf('ownership_type', $value);
+    }
+
+    public function refrigerated($value)
+    {
+        $this->builder->where('refrigerated', filter_var($value, FILTER_VALIDATE_BOOLEAN));
+    }
+
+    public function devicesCount($value)
+    {
+        $this->builder->has('devices', '=', (int) $value);
+    }
+
+    public function equipmentCount($value)
+    {
+        $this->builder->has('equipments', '=', (int) $value);
+    }
+
+    /**
+     * Connectivity is derived from `last_online_at`, mirroring
+     * Trailer::getConnectivityStatusAttribute(). Multiple states combine with OR.
+     */
+    public function connectivityStatus($value)
+    {
+        $states = array_values(array_filter(array_map('strval', (array) $value), 'strlen'));
+
+        if (empty($states)) {
+            return;
+        }
+
+        $this->builder->where(function ($query) use ($states) {
+            foreach ($states as $state) {
+                $query->orWhere(function ($query) use ($state) {
+                    match ($state) {
+                        'never_connected'  => $query->whereNull('last_online_at'),
+                        'online'           => $query->where('last_online_at', '>=', now()->subMinutes(10)),
+                        'recently_offline' => $query->whereBetween('last_online_at', [now()->subDay(), now()->subMinutes(10)]),
+                        'offline'          => $query->where('last_online_at', '<', now()->subDay()),
+                        default            => $query->whereRaw('0 = 1'),
+                    };
+                });
+            }
+        });
+    }
+
+    public function attachmentState($value)
+    {
+        $states = array_unique(array_values(array_filter(array_map('strval', (array) $value), 'strlen')));
+
+        // Asking for both states is the same as not filtering.
+        if (empty($states) || count($states) > 1) {
+            return;
+        }
+
+        $method = $states[0] === 'attached' ? 'whereHas' : 'whereDoesntHave';
+        $this->builder->{$method}('currentConnection');
+    }
+
+    public function vehicle($value)
+    {
+        $uuids = $this->resolveRelationUuids(Vehicle::class, $value);
+
+        $this->builder->whereHas('currentConnection', fn ($query) => $query->whereIn('connector_uuid', $uuids));
+    }
+
+    public function vendor($value)
+    {
+        $this->builder->whereIn('vendor_uuid', $this->resolveRelationUuids(Vendor::class, $value));
+    }
+
+    public function category($value)
+    {
+        $this->builder->whereIn('category_uuid', $this->resolveRelationUuids(Category::class, $value, false));
+    }
+
+    public function createdAt($value)
+    {
+        $this->dateFilter('created_at', $value);
+    }
+
+    public function updatedAt($value)
+    {
+        $this->dateFilter('updated_at', $value);
+    }
+
+    public function lastOnlineAt($value)
+    {
+        $this->dateFilter('last_online_at', $value);
+    }
+
+    public function purchasedAt($value)
+    {
+        $this->dateFilter('purchased_at', $value);
+    }
+
+    /**
+     * Console multi-option filters submit arrays; the public API submits scalars.
+     */
+    private function whereOneOf(string $column, $value): void
+    {
+        $values = array_values(array_filter(array_map('strval', (array) $value), 'strlen'));
+
+        if (empty($values)) {
+            return;
+        }
+
+        count($values) === 1 ? $this->builder->where($column, $values[0]) : $this->builder->whereIn($column, $values);
+    }
+
+    /**
+     * Resolve related record identifiers to UUIDs. The console filters by the record's
+     * UUID; the public API filters by public id (or a vehicle's internal id).
+     */
+    private function resolveRelationUuids(string $modelClass, $identifiers, bool $scopeToCompany = true): array
+    {
+        $identifiers = array_values(array_filter(array_map('strval', (array) $identifiers), 'strlen'));
+
+        if (empty($identifiers)) {
+            return [];
+        }
+
+        $instance = new $modelClass();
+        $query    = $modelClass::query()->where(function ($query) use ($identifiers, $instance) {
+            $query->whereIn('public_id', $identifiers);
+
+            if (in_array('internal_id', $instance->getFillable(), true)) {
+                $query->orWhereIn('internal_id', $identifiers);
+            }
+
+            if (Http::isInternalRequest($this->request)) {
+                $query->orWhereIn('uuid', $identifiers);
+            }
+        });
+
+        if ($scopeToCompany) {
+            $query->where('company_uuid', $this->session->get('company'));
+        }
+
+        return $query->pluck('uuid')->all();
+    }
+
+    private function dateFilter(string $column, $value): void
+    {
+        $range = Utils::dateRange($value);
+
+        is_array($range) ? $this->builder->whereBetween($column, $range) : $this->builder->whereDate($column, $range);
+    }
+}
diff --git a/server/src/Http/Requests/CreateDeviceRequest.php b/server/src/Http/Requests/CreateDeviceRequest.php
index 3c94f7735..6722a8235 100644
--- a/server/src/Http/Requests/CreateDeviceRequest.php
+++ b/server/src/Http/Requests/CreateDeviceRequest.php
@@ -41,7 +41,7 @@ public function rules(): array
             'telematic'             => ['nullable', 'string'],
             'warranty'              => ['nullable', 'string'],
             'photo'                 => ['nullable', 'string'],
-            'attachable_type'       => ['nullable', 'string'],
+            'attachable_type'       => ['nullable', Rule::in(['fleet-ops:vehicle', 'fleet-ops:trailer', 'vehicle', 'trailer'])],
             'attachable'            => ['nullable', 'required_with:attachable_type', 'string'],
             'meta'                  => ['nullable', 'array'],
             'data'                  => ['nullable', 'array'],
diff --git a/server/src/Http/Requests/CreateEquipmentRequest.php b/server/src/Http/Requests/CreateEquipmentRequest.php
index c2c9c429d..4fe9d1a93 100644
--- a/server/src/Http/Requests/CreateEquipmentRequest.php
+++ b/server/src/Http/Requests/CreateEquipmentRequest.php
@@ -24,7 +24,7 @@ public function rules(): array
             'model'          => ['nullable', 'string'],
             'warranty'       => ['nullable', 'string'],
             'photo'          => ['nullable', 'string'],
-            'equipable_type' => ['nullable', 'string'],
+            'equipable_type' => ['nullable', Rule::in(['fleet-ops:vehicle', 'fleet-ops:trailer', 'fleet-ops:driver', 'vehicle', 'trailer', 'driver'])],
             'equipable'      => ['nullable', 'required_with:equipable_type', 'string'],
             'purchased_at'   => ['nullable', 'date'],
             'purchase_price' => ['nullable'],
diff --git a/server/src/Http/Requests/CreateTrailerRequest.php b/server/src/Http/Requests/CreateTrailerRequest.php
new file mode 100644
index 000000000..79ab5fa79
--- /dev/null
+++ b/server/src/Http/Requests/CreateTrailerRequest.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Requests;
+
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Rules\ResolvablePoint;
+use Fleetbase\Http\Requests\FleetbaseRequest;
+use Illuminate\Validation\Rule;
+
+class CreateTrailerRequest extends FleetbaseRequest
+{
+    public function authorize(): bool
+    {
+        return request()->session()->has('api_credential') || request()->session()->has('is_sanctum_token');
+    }
+
+    public function rules(): array
+    {
+        return [
+            'name'                => [Rule::requiredIf($this->isMethod('POST')), 'string', 'max:255'],
+            'description'         => ['nullable', 'string'],
+            'code'                => ['nullable', 'string', 'max:255'],
+            'type'                => ['nullable', Rule::in(Trailer::TYPES)],
+            'body_type'           => ['nullable', 'string', 'max:255'],
+            'status'              => ['nullable', Rule::in(Trailer::STATUSES)],
+            'vin'                 => ['nullable', 'string', 'max:255'],
+            'plate_number'        => ['nullable', 'string', 'max:255'],
+            'serial_number'       => ['nullable', 'string', 'max:255'],
+            'make'                => ['nullable', 'string', 'max:255'],
+            'model'               => ['nullable', 'string', 'max:255'],
+            'year'                => ['nullable', 'integer', 'min:1880', 'max:' . (now()->year + 2)],
+            'color'               => ['nullable', 'string', 'max:255'],
+            'usage_type'          => ['nullable', 'string', 'max:255'],
+            'category'            => ['nullable', 'string'], 'vendor' => ['nullable', 'string'], 'warranty' => ['nullable', 'string'], 'photo' => ['nullable', 'string'],
+            'location'            => ['nullable', new ResolvablePoint()], 'latitude' => ['nullable', 'numeric', 'between:-90,90', 'required_with:longitude'],
+            'longitude'           => ['nullable', 'numeric', 'between:-180,180', 'required_with:latitude'],
+            'length'              => ['nullable', 'numeric', 'min:0'], 'width' => ['nullable', 'numeric', 'min:0'], 'height' => ['nullable', 'numeric', 'min:0'],
+            'tare_weight'         => ['nullable', 'numeric', 'min:0'], 'gvwr' => ['nullable', 'numeric', 'min:0'], 'payload_capacity' => ['nullable', 'numeric', 'min:0'],
+            'cargo_volume'        => ['nullable', 'numeric', 'min:0'], 'axle_count' => ['nullable', 'integer', 'min:0'], 'tire_count' => ['nullable', 'integer', 'min:0'],
+            'door_count'          => ['nullable', 'integer', 'min:0'], 'abs_equipped' => ['nullable', 'boolean'], 'ebs_equipped' => ['nullable', 'boolean'],
+            'refrigerated'        => ['nullable', 'boolean'], 'temperature_min' => ['nullable', 'numeric'], 'temperature_max' => ['nullable', 'numeric', 'gte:temperature_min'],
+            'reefer_engine_hours' => ['nullable', 'numeric', 'min:0'],
+            'measurement_system'  => ['nullable', Rule::in(['metric', 'imperial'])], 'odometer' => ['nullable', 'numeric', 'min:0'],
+            'odometer_unit'       => ['nullable', Rule::in(['km', 'mi', 'miles', 'kilometers'])],
+            'coupling_type'       => ['nullable', 'string', 'max:255'], 'brake_type' => ['nullable', 'string', 'max:255'],
+            'ownership_type'      => ['nullable', Rule::in(Trailer::OWNERSHIP_TYPES)],
+            'purchased_at'        => ['nullable', 'date'], 'lease_expires_at' => ['nullable', 'date'],
+            'financing_status'    => ['nullable', 'string', 'max:255'], 'currency' => ['nullable', 'string', 'size:3'],
+            'acquisition_cost'    => ['nullable', 'numeric', 'min:0'], 'current_value' => ['nullable', 'numeric', 'min:0'],
+            'insurance_value'     => ['nullable', 'numeric', 'min:0'], 'depreciation_rate' => ['nullable', 'numeric', 'min:0'],
+            'capacity'            => ['nullable', 'array'], 'specs' => ['nullable', 'array'], 'attributes' => ['nullable', 'array'], 'notes' => ['nullable', 'string'],
+        ];
+    }
+}
diff --git a/server/src/Http/Requests/UpdateTrailerRequest.php b/server/src/Http/Requests/UpdateTrailerRequest.php
new file mode 100644
index 000000000..a8c12ec17
--- /dev/null
+++ b/server/src/Http/Requests/UpdateTrailerRequest.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Requests;
+
+class UpdateTrailerRequest extends CreateTrailerRequest
+{
+}
diff --git a/server/src/Http/Resources/v1/AssetConnection.php b/server/src/Http/Resources/v1/AssetConnection.php
new file mode 100644
index 000000000..34697b6bb
--- /dev/null
+++ b/server/src/Http/Resources/v1/AssetConnection.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Resources\v1;
+
+use Fleetbase\FleetOps\Http\Resources\v1\Concerns\ResolvesPublicRelationFields;
+use Fleetbase\FleetOps\Support\Utils;
+use Fleetbase\Http\Resources\FleetbaseResource;
+use Fleetbase\Support\Http;
+use Fleetbase\Support\Resolve;
+
+/**
+ * An effective-dated towing connection between a Vehicle (connector) and a
+ * Trailer (connected asset).
+ */
+class AssetConnection extends FleetbaseResource
+{
+    use ResolvesPublicRelationFields;
+
+    /**
+     * Transform the resource into an array.
+     *
+     * @param \Illuminate\Http\Request $request
+     */
+    public function toArray($request): array
+    {
+        $internal = Http::isInternalRequest();
+
+        return [
+            'id'                => $this->when($internal, $this->id, $this->public_id),
+            'uuid'              => $this->when($internal, $this->uuid),
+            'public_id'         => $this->when($internal, $this->public_id),
+            'company_uuid'      => $this->when($internal, $this->company_uuid),
+            'connector_type'    => $this->when($internal, Utils::toEmberResourceType($this->connector_type)),
+            'connector_uuid'    => $this->when($internal, $this->connector_uuid),
+            'connected_type'    => $this->when($internal, Utils::toEmberResourceType($this->connected_type)),
+            'connected_uuid'    => $this->when($internal, $this->connected_uuid),
+            'relationship_type' => $this->relationship_type,
+            'position'          => $this->position,
+            // Identifiers are always present so a connection can be followed back to both
+            // sides even when the related records were not eager loaded.
+            'vehicle_id'        => $this->publicIdForRelation('vehicle', 'connector_uuid'),
+            'trailer_id'        => $this->publicIdForRelation('trailer', 'connected_uuid'),
+            'vehicle'           => $this->whenLoaded('vehicle', fn () => $this->vehicleRepresentation($internal)),
+            'trailer'           => $this->whenLoaded('trailer', fn () => $this->trailerRepresentation($internal)),
+            'connected_at'      => $this->connected_at,
+            'disconnected_at'   => $this->disconnected_at,
+            'active'            => $this->disconnected_at === null,
+            'source'            => $this->source,
+            'confidence'        => $this->confidence,
+            'notes'             => $this->notes,
+            'meta'              => data_get($this, 'meta', Utils::createObject()),
+            'created_at'        => $this->created_at,
+            'updated_at'        => $this->updated_at,
+        ];
+    }
+
+    /**
+     * Only invoked through whenLoaded(), which already yields null for an absent record.
+     */
+    protected function vehicleRepresentation(bool $internal): mixed
+    {
+        $vehicle = $this->vehicle;
+
+        if ($internal) {
+            return Resolve::httpResourceForModel($vehicle);
+        }
+
+        return [
+            'id'           => $vehicle->public_id,
+            'name'         => $vehicle->display_name,
+            'plate_number' => $vehicle->plate_number,
+        ];
+    }
+
+    protected function trailerRepresentation(bool $internal): mixed
+    {
+        $trailer = $this->trailer;
+
+        if ($internal) {
+            return Resolve::httpResourceForModel($trailer);
+        }
+
+        return [
+            'id'           => $trailer->public_id,
+            'name'         => $trailer->display_name,
+            'type'         => $trailer->type,
+            'plate_number' => $trailer->plate_number,
+        ];
+    }
+}
diff --git a/server/src/Http/Resources/v1/Device.php b/server/src/Http/Resources/v1/Device.php
index ee80927c6..862e2889f 100644
--- a/server/src/Http/Resources/v1/Device.php
+++ b/server/src/Http/Resources/v1/Device.php
@@ -18,7 +18,9 @@ public function toArray($request)
             'company_uuid'          => $this->when(Http::isInternalRequest(), $this->company_uuid),
             'telematic_uuid'        => $this->when(Http::isInternalRequest(), $this->telematic_uuid),
             'attachable_uuid'       => $this->when(Http::isInternalRequest(), $this->attachable_uuid),
-            'attachable_type'       => $this->when(Http::isInternalRequest(), $this->attachable_type ? Utils::toEmberResourceType($this->attachable_type) : null),
+            'attachable_type'       => $this->attachable_type ? Utils::toEmberResourceType($this->attachable_type) : null,
+            'attachable_id'         => $this->whenLoaded('attachable', fn () => $this->attachable?->public_id),
+            'attachable_name'       => $this->whenLoaded('attachable', fn () => $this->attachable?->display_name ?? $this->attachable?->name),
             'warranty_uuid'         => $this->when(Http::isInternalRequest(), $this->warranty_uuid),
             'photo_uuid'            => $this->when(Http::isInternalRequest(), $this->photo_uuid),
             'telematic'             => $this->whenLoaded('telematic', fn () => $this->resolveLoadedRelation($this->telematic)),
diff --git a/server/src/Http/Resources/v1/Equipment.php b/server/src/Http/Resources/v1/Equipment.php
index 317868a4e..a1914ec77 100644
--- a/server/src/Http/Resources/v1/Equipment.php
+++ b/server/src/Http/Resources/v1/Equipment.php
@@ -19,7 +19,9 @@ public function toArray($request)
             'warranty_uuid'      => $this->when(Http::isInternalRequest(), $this->warranty_uuid),
             'photo_uuid'         => $this->when(Http::isInternalRequest(), $this->photo_uuid),
             'equipable_uuid'     => $this->when(Http::isInternalRequest(), $this->equipable_uuid),
-            'equipable_type'     => $this->when(Http::isInternalRequest(), $this->equipable_type ? Utils::toEmberResourceType($this->equipable_type) : null),
+            'equipable_type'     => $this->equipable_type ? Utils::toEmberResourceType($this->equipable_type) : null,
+            'equipable_id'       => $this->whenLoaded('equipable', fn () => $this->equipable?->public_id),
+            'equipable_name'     => $this->whenLoaded('equipable', fn () => $this->equipable?->display_name ?? $this->equipable?->name),
             'warranty'           => $this->whenLoaded('warranty', fn () => $this->resolveLoadedRelation($this->warranty)),
             'photo'              => $this->whenLoaded('photo', fn () => $this->resolveLoadedRelation($this->photo)),
             'equipable'          => $this->whenLoaded('equipable', fn () => $this->resolveLoadedRelation($this->equipable)),
diff --git a/server/src/Http/Resources/v1/Trailer.php b/server/src/Http/Resources/v1/Trailer.php
new file mode 100644
index 000000000..08cfc9eaf
--- /dev/null
+++ b/server/src/Http/Resources/v1/Trailer.php
@@ -0,0 +1,199 @@
+<?php
+
+namespace Fleetbase\FleetOps\Http\Resources\v1;
+
+use Fleetbase\FleetOps\Http\Resources\v1\Concerns\ResolvesPublicRelationFields;
+use Fleetbase\FleetOps\Support\Utils;
+use Fleetbase\Http\Resources\FleetbaseResource;
+use Fleetbase\Support\Http;
+use Fleetbase\Support\Resolve;
+
+/**
+ * First-class Trailer representation.
+ *
+ * Internal (console) responses expose the record with its UUID identity and fully
+ * embedded relations so Ember Data can hydrate the store. Public API responses use
+ * the `trailer_` public identifier, additive `*_id` relation identifiers, and only
+ * expand relation objects that were requested through `with`.
+ */
+class Trailer extends FleetbaseResource
+{
+    use ResolvesPublicRelationFields;
+
+    /**
+     * Transform the resource into an array.
+     *
+     * @param \Illuminate\Http\Request $request
+     */
+    public function toArray($request): array
+    {
+        $internal = Http::isInternalRequest();
+        $with     = $this->requestedRelations($request);
+
+        return $this->withCustomFields([
+            // Identity
+            'id'                   => $this->when($internal, $this->id, $this->public_id),
+            'uuid'                 => $this->when(Http::isInternalRequest(), $this->uuid),
+            'public_id'            => $this->when($internal, $this->public_id),
+            'company_uuid'         => $this->when(Http::isInternalRequest(), $this->company_uuid),
+            'category_uuid'        => $this->when(Http::isInternalRequest(), $this->category_uuid),
+            'vendor_uuid'          => $this->when(Http::isInternalRequest(), $this->vendor_uuid),
+            'warranty_uuid'        => $this->when(Http::isInternalRequest(), $this->warranty_uuid),
+            'photo_uuid'           => $this->when(Http::isInternalRequest(), $this->photo_uuid),
+            'asset_class'          => 'trailer',
+            'name'                 => $this->name,
+            'display_name'         => $this->display_name,
+            'code'                 => $this->code,
+            'description'          => $this->description,
+            'slug'                 => $this->when($internal, $this->slug),
+            // Classification & lifecycle
+            'type'                 => $this->type,
+            'body_type'            => $this->body_type,
+            'usage_type'           => $this->usage_type,
+            'status'               => $this->status,
+            'attachment_state'     => $this->attachment_state,
+            'connectivity_status'  => $this->connectivity_status,
+            'online'               => $this->online,
+            // Registration
+            'vin'                  => $this->vin,
+            'plate_number'         => $this->plate_number,
+            'serial_number'        => $this->serial_number,
+            'make'                 => $this->make,
+            'model'                => $this->model,
+            'year'                 => $this->year,
+            'color'                => $this->color,
+            // Media
+            'photo_url'            => $this->photo_url,
+            // Relationships. Identifiers are additive and always present so a write
+            // can be read back; relation objects follow the public `with` contract.
+            'category_id'          => $this->publicIdForRelation('category', 'category_uuid'),
+            'vendor_id'            => $this->publicIdForRelation('vendor', 'vendor_uuid'),
+            'warranty_id'          => $this->publicIdForRelation('warranty', 'warranty_uuid'),
+            'photo_id'             => $this->publicIdForRelation('photo', 'photo_uuid'),
+            'category_name'        => $this->when($internal, $this->category_name),
+            'vendor_name'          => $this->when($internal, $this->vendor_name),
+            'warranty_name'        => $this->when($internal, $this->warranty_name),
+            'category'             => $this->publicRelationObject('category', $with, fn () => Resolve::httpResourceForModel($this->category)),
+            'vendor'               => $this->publicRelationObject('vendor', $with, fn () => new Vendor($this->vendor)),
+            'warranty'             => $this->publicRelationObject('warranty', $with, fn () => Resolve::httpResourceForModel($this->warranty)),
+            'photo'                => $this->publicRelationObject('photo', $with, fn () => Resolve::httpResourceForModel($this->photo)),
+            // Towing connection
+            'vehicle_id'           => $this->whenLoaded('currentConnection', fn () => $this->currentConnection?->vehicle?->public_id),
+            'current_vehicle_name' => $this->whenLoaded('currentConnection', fn () => $this->currentConnection?->vehicle?->display_name),
+            'attached_at'          => $this->whenLoaded('currentConnection', fn () => $this->currentConnection?->connected_at),
+            'current_vehicle'      => $this->whenLoaded('currentConnection', fn () => $this->currentVehicleRepresentation($internal)),
+            'current_connection'   => $this->whenLoaded('currentConnection', fn () => $this->currentConnection ? new AssetConnection($this->currentConnection) : null),
+            // Ember Data embeds these collections, so the console always receives an array;
+            // the public API only includes them when they were loaded.
+            'connections'          => $this->embeddedCollection('connections', AssetConnection::class, $internal),
+            'devices'              => $this->embeddedCollection('devices', Device::class, $internal),
+            // Ember Data embeds the `equipments` relationship; the public contract reads `equipment`.
+            'equipment'            => $this->when(!$internal, fn () => $this->whenLoaded('equipments', fn () => Equipment::collection($this->equipments))),
+            'equipments'           => $this->when($internal, fn () => $this->embeddedCollection('equipments', Equipment::class, true)),
+            'devices_count'        => $this->whenCounted('devices'),
+            'equipment_count'      => $this->whenCounted('equipments'),
+            // Dimensions & capacity
+            'measurement_system'   => $this->measurement_system,
+            'length'               => $this->length,
+            'width'                => $this->width,
+            'height'               => $this->height,
+            'tare_weight'          => $this->tare_weight,
+            'gvwr'                 => $this->gvwr,
+            'payload_capacity'     => $this->payload_capacity,
+            'cargo_volume'         => $this->cargo_volume,
+            'capacity'             => data_get($this, 'capacity', Utils::createObject()),
+            // Running gear
+            'axle_count'           => $this->axle_count,
+            'tire_count'           => $this->tire_count,
+            'door_count'           => $this->door_count,
+            'coupling_type'        => $this->coupling_type,
+            'brake_type'           => $this->brake_type,
+            'abs_equipped'         => $this->abs_equipped,
+            'ebs_equipped'         => $this->ebs_equipped,
+            // Refrigeration
+            'refrigerated'         => $this->refrigerated,
+            'temperature_min'      => $this->temperature_min,
+            'temperature_max'      => $this->temperature_max,
+            'reefer_engine_hours'  => $this->reefer_engine_hours,
+            // Usage
+            'odometer'             => $this->odometer,
+            'odometer_unit'        => $this->odometer_unit,
+            'engine_hours'         => $this->engine_hours,
+            // Ownership & finance
+            'ownership_type'       => $this->ownership_type,
+            'financing_status'     => $this->financing_status,
+            'currency'             => $this->currency,
+            'acquisition_cost'     => $this->acquisition_cost,
+            'current_value'        => $this->current_value,
+            'insurance_value'      => $this->insurance_value,
+            'depreciation_rate'    => $this->depreciation_rate,
+            'purchased_at'         => $this->purchased_at,
+            'lease_expires_at'     => $this->lease_expires_at,
+            // Location & telematics
+            'location'             => Utils::castPoint($this->location),
+            'speed'                => $this->speed,
+            'heading'              => $this->heading,
+            'altitude'             => $this->altitude,
+            'last_online_at'       => $this->last_online_at,
+            'telematics'           => $this->telematicsRepresentation($internal),
+            'positions'            => $this->whenLoaded('positions', fn () => Position::collection($this->positions)),
+            // Blobs, notes & timestamps
+            'specs'                => data_get($this, 'specs', Utils::createObject()),
+            'attributes'           => $this->resource->getAttribute('attributes') ?? Utils::createObject(),
+            'notes'                => $this->notes,
+            'created_at'           => $this->created_at,
+            'updated_at'           => $this->updated_at,
+        ]);
+    }
+
+    /**
+     * A loaded relation serializes through its resource; an unloaded one is omitted for the
+     * public API and an empty array for the console, which embeds the relationship.
+     */
+    protected function embeddedCollection(string $relation, string $resourceClass, bool $internal): mixed
+    {
+        if ($this->resource->relationLoaded($relation)) {
+            return $resourceClass::collection($this->{$relation});
+        }
+
+        return $internal ? [] : new \Illuminate\Http\Resources\MissingValue();
+    }
+
+    /**
+     * The console receives the full Vehicle record so Ember Data can hydrate it; the
+     * public API receives a compact public identity.
+     */
+    protected function currentVehicleRepresentation(bool $internal): mixed
+    {
+        $vehicle = $this->currentConnection?->vehicle;
+
+        if (!$vehicle) {
+            return null;
+        }
+
+        if ($internal) {
+            return Resolve::httpResourceForModel($vehicle);
+        }
+
+        return [
+            'id'           => $vehicle->public_id,
+            'name'         => $vehicle->display_name,
+            'plate_number' => $vehicle->plate_number,
+        ];
+    }
+
+    /**
+     * Telemetry provenance references devices and events by UUID for the console;
+     * the public API must never expose internal identifiers.
+     */
+    protected function telematicsRepresentation(bool $internal): mixed
+    {
+        $telematics = $this->telematics;
+
+        if ($internal || !is_array($telematics)) {
+            return $telematics;
+        }
+
+        return array_filter($telematics, fn ($key) => !preg_match('/(^uuid$|_uuid$)/', (string) $key), ARRAY_FILTER_USE_KEY);
+    }
+}
diff --git a/server/src/Http/Resources/v1/Vehicle.php b/server/src/Http/Resources/v1/Vehicle.php
index ed1b73354..8c6185c80 100644
--- a/server/src/Http/Resources/v1/Vehicle.php
+++ b/server/src/Http/Resources/v1/Vehicle.php
@@ -68,6 +68,8 @@ public function toArray($request)
             'warranty'               => $this->publicRelationObject('warranty', $with, fn () => Resolve::httpResourceForModel($this->warranty)),
             'photo'                  => $this->publicRelationObject('photo', $with, fn () => Resolve::httpResourceForModel($this->photo)),
             'devices'                => $this->whenLoaded('devices', fn () => $this->devices),
+            // Trailers currently coupled to this vehicle (`with=trailers` on the public API).
+            'trailers'               => $this->publicRelationObject('currentTrailers', $with, fn () => Trailer::collection($this->currentTrailers)),
             // Vehicle identification
             'make'                   => $this->make,
             'model'                  => $this->model,
diff --git a/server/src/Imports/TrailerImport.php b/server/src/Imports/TrailerImport.php
new file mode 100644
index 000000000..85b5d60e8
--- /dev/null
+++ b/server/src/Imports/TrailerImport.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Fleetbase\FleetOps\Imports;
+
+use Fleetbase\FleetOps\Models\Trailer;
+use Illuminate\Support\Collection;
+use Illuminate\Validation\ValidationException;
+use Maatwebsite\Excel\Concerns\ToCollection;
+use Maatwebsite\Excel\Concerns\WithHeadingRow;
+
+class TrailerImport implements ToCollection, WithHeadingRow
+{
+    public int $imported = 0;
+
+    public function collection(Collection $rows)
+    {
+        foreach ($rows as $index => $row) {
+            $data = $row instanceof Collection ? array_filter($row->toArray(), fn ($v) => $v !== null && $v !== '') : $row;
+            if (!$data) {
+                continue;
+            }
+            if (empty($data['name'])) {
+                throw ValidationException::withMessages(["row.$index.name" => ['Name is required.']]);
+            }
+            if (!empty($data['type']) && !in_array($data['type'], Trailer::TYPES, true)) {
+                throw ValidationException::withMessages(["row.$index.type" => ['Invalid trailer type.']]);
+            }
+            $allowed = ['name', 'code', 'description', 'type', 'status', 'vin', 'plate_number', 'serial_number', 'make', 'model', 'year', 'length', 'width', 'height', 'tare_weight', 'gvwr', 'payload_capacity', 'cargo_volume', 'axle_count', 'tire_count', 'coupling_type', 'brake_type', 'refrigerated', 'measurement_system', 'odometer', 'odometer_unit', 'ownership_type', 'purchased_at', 'lease_expires_at', 'notes'];
+            Trailer::create(array_merge(array_intersect_key($data, array_flip($allowed)), ['company_uuid' => session('company')]));
+            $this->imported++;
+        }
+    }
+}
diff --git a/server/src/Models/Asset.php b/server/src/Models/Asset.php
index 7cc0e9195..fae16ec24 100644
--- a/server/src/Models/Asset.php
+++ b/server/src/Models/Asset.php
@@ -5,6 +5,7 @@
 use Fleetbase\Casts\Json;
 use Fleetbase\Casts\PolymorphicType;
 use Fleetbase\FleetOps\Casts\Point;
+use Fleetbase\LaravelMysqlSpatial\Eloquent\SpatialTrait;
 use Fleetbase\Models\Category;
 use Fleetbase\Models\File;
 use Fleetbase\Models\Model;
@@ -33,6 +34,7 @@
  */
 class Asset extends Model
 {
+    use SpatialTrait;
     use HasUuid;
     use HasPublicId;
     use TracksApiCredential;
@@ -117,13 +119,37 @@ class Asset extends Model
         'odometer_unit',
         'transmission',
         'fuel_volume_unit',
-        'fuel_Type',
+        'fuel_type',
         'ownership_type',
         'engine_hours',
         'gvw',
         'capacity',
         'specs',
         'attributes',
+        'asset_class',
+        'online',
+        'last_online_at',
+        'telematics',
+        'purchased_at',
+        'length',
+        'width',
+        'height',
+        'tare_weight',
+        'gvwr',
+        'payload_capacity',
+        'cargo_volume',
+        'axle_count',
+        'tire_count',
+        'door_count',
+        'body_type',
+        'coupling_type',
+        'brake_type',
+        'abs_equipped',
+        'ebs_equipped',
+        'refrigerated',
+        'temperature_min',
+        'temperature_max',
+        'reefer_engine_hours',
         'notes',
         'slug',
     ];
@@ -158,15 +184,18 @@ class Asset extends Model
      * @var array
      */
     protected $casts = [
-        'year'             => 'integer',
-        'odometer'         => 'integer',
-        'engine_hours'     => 'integer',
-        'gvw'              => 'decimal:2',
-        'capacity'         => Json::class,
-        'specs'            => Json::class,
-        'attributes'       => Json::class,
-        'location'         => Point::class,
-        'assigned_to_type' => PolymorphicType::class,
+        'year'              => 'integer',
+        'odometer'          => 'integer',
+        'engine_hours'      => 'integer',
+        'gvw'               => 'decimal:2',
+        'capacity'          => Json::class,
+        'specs'             => Json::class,
+        'attributes'        => Json::class,
+        'location'          => Point::class,
+        'assigned_to_type'  => PolymorphicType::class,
+        'online'            => 'boolean',
+        'last_online_at'    => 'datetime',
+        'telematics'        => Json::class,
     ];
 
     /**
diff --git a/server/src/Models/AssetConnection.php b/server/src/Models/AssetConnection.php
new file mode 100644
index 000000000..204e53216
--- /dev/null
+++ b/server/src/Models/AssetConnection.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Fleetbase\FleetOps\Models;
+
+use Fleetbase\Casts\Json;
+use Fleetbase\Casts\PolymorphicType;
+use Fleetbase\Models\Model;
+use Fleetbase\Traits\HasPublicId;
+use Fleetbase\Traits\HasUuid;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class AssetConnection extends Model
+{
+    use HasUuid;
+    use HasPublicId;
+    use SoftDeletes;
+
+    protected $publicIdType = 'connection';
+    protected $fillable     = ['company_uuid', 'connector_type', 'connector_uuid', 'connected_type', 'connected_uuid', 'active_connected_uuid', 'active_connector_position', 'relationship_type', 'position', 'connected_at', 'disconnected_at', 'source', 'confidence', 'notes', 'meta', 'created_by_uuid', 'updated_by_uuid'];
+    protected $casts        = ['connector_type' => PolymorphicType::class, 'connected_type' => PolymorphicType::class, 'connected_at' => 'datetime', 'disconnected_at' => 'datetime', 'meta' => Json::class];
+
+    public function connector(): MorphTo
+    {
+        return $this->morphTo(__FUNCTION__, 'connector_type', 'connector_uuid');
+    }
+
+    public function connected(): MorphTo
+    {
+        return $this->morphTo(__FUNCTION__, 'connected_type', 'connected_uuid');
+    }
+
+    public function vehicle(): BelongsTo
+    {
+        return $this->belongsTo(Vehicle::class, 'connector_uuid', 'uuid');
+    }
+
+    public function trailer(): BelongsTo
+    {
+        return $this->belongsTo(Trailer::class, 'connected_uuid', 'uuid');
+    }
+}
diff --git a/server/src/Models/Device.php b/server/src/Models/Device.php
index b73098c21..ac9603aab 100644
--- a/server/src/Models/Device.php
+++ b/server/src/Models/Device.php
@@ -280,6 +280,11 @@ public function attachable(): MorphTo
         return $this->morphTo(__FUNCTION__, 'attachable_type', 'attachable_uuid');
     }
 
+    public function installations(): HasMany
+    {
+        return $this->hasMany(DeviceInstallation::class, 'device_uuid', 'uuid')->latest('installed_at');
+    }
+
     public function events(): HasMany
     {
         return $this->hasMany(DeviceEvent::class, 'device_uuid', 'uuid');
@@ -420,10 +425,26 @@ public function updateLastOnline(): bool
      */
     public function attachTo(Model $attachable): bool
     {
-        $updated = $this->update([
-            'attachable_type' => get_class($attachable),
-            'attachable_uuid' => $attachable->uuid,
-        ]);
+        if ($attachable->company_uuid && $this->company_uuid && $attachable->company_uuid !== $this->company_uuid) {
+            throw new \DomainException('Devices cannot be attached across companies.');
+        }
+
+        if ($this->attachable_type === get_class($attachable) && $this->attachable_uuid === $attachable->uuid) {
+            return true;
+        }
+
+        $historyEnabled = app()->bound('db.schema') && \Illuminate\Support\Facades\Schema::hasTable('device_installations');
+        $updated        = \Illuminate\Support\Facades\DB::transaction(function () use ($attachable, $historyEnabled) {
+            if ($historyEnabled) {
+                DeviceInstallation::where('company_uuid', $this->company_uuid)->where('device_uuid', $this->uuid)->whereNull('removed_at')->lockForUpdate()->update(['removed_at' => now(), 'active_device_uuid' => null]);
+            }
+            $updated = $this->update(['attachable_type' => get_class($attachable), 'attachable_uuid' => $attachable->uuid]);
+            if ($historyEnabled) {
+                DeviceInstallation::create(['company_uuid' => $this->company_uuid, 'device_uuid' => $this->uuid, 'attachable_type' => get_class($attachable), 'attachable_uuid' => $attachable->uuid, 'active_device_uuid' => $this->uuid, 'installed_at' => now(), 'source' => 'manual']);
+            }
+
+            return $updated;
+        });
 
         if ($updated) {
             activity('device_attached')
@@ -447,10 +468,14 @@ public function detach(): bool
         $oldAttachableType = $this->attachable_type;
         $oldAttachableUuid = $this->attachable_uuid;
 
-        $updated = $this->update([
-            'attachable_type' => null,
-            'attachable_uuid' => null,
-        ]);
+        $historyEnabled = app()->bound('db.schema') && \Illuminate\Support\Facades\Schema::hasTable('device_installations');
+        $updated        = \Illuminate\Support\Facades\DB::transaction(function () use ($historyEnabled) {
+            if ($historyEnabled) {
+                DeviceInstallation::where('company_uuid', $this->company_uuid)->where('device_uuid', $this->uuid)->whereNull('removed_at')->lockForUpdate()->update(['removed_at' => now(), 'active_device_uuid' => null]);
+            }
+
+            return $this->update(['attachable_type' => null, 'attachable_uuid' => null]);
+        });
 
         if ($updated) {
             activity('device_detached')
diff --git a/server/src/Models/DeviceInstallation.php b/server/src/Models/DeviceInstallation.php
new file mode 100644
index 000000000..359977d68
--- /dev/null
+++ b/server/src/Models/DeviceInstallation.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Fleetbase\FleetOps\Models;
+
+use Fleetbase\Casts\Json;
+use Fleetbase\Casts\PolymorphicType;
+use Fleetbase\Models\Model;
+use Fleetbase\Traits\HasUuid;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+
+class DeviceInstallation extends Model
+{
+    use HasUuid;
+    protected $fillable = ['company_uuid', 'device_uuid', 'attachable_type', 'attachable_uuid', 'active_device_uuid', 'installed_at', 'removed_at', 'source', 'metadata'];
+    protected $casts    = ['attachable_type' => PolymorphicType::class, 'installed_at' => 'datetime', 'removed_at' => 'datetime', 'metadata' => Json::class];
+
+    public function device(): BelongsTo
+    {
+        return $this->belongsTo(Device::class, 'device_uuid', 'uuid');
+    }
+
+    public function attachable(): MorphTo
+    {
+        return $this->morphTo(__FUNCTION__, 'attachable_type', 'attachable_uuid');
+    }
+}
diff --git a/server/src/Models/Equipment.php b/server/src/Models/Equipment.php
index abda686f1..ee53004fd 100644
--- a/server/src/Models/Equipment.php
+++ b/server/src/Models/Equipment.php
@@ -168,6 +168,7 @@ public static function boot(): void
         Relation::morphMap([
             'fleet-ops:vehicle' => Vehicle::class,
             'fleet-ops:driver'  => Driver::class,
+            'fleet-ops:trailer' => Trailer::class,
         ]);
     }
 
@@ -243,6 +244,7 @@ public function setEquipableTypeAttribute(?string $type): void
         $this->attributes['equipable_type'] = match ($type) {
             'fleet-ops:vehicle', 'vehicle' => Utils::getMutationType('fleet-ops:vehicle'),
             'fleet-ops:driver', 'driver'   => Utils::getMutationType('fleet-ops:driver'),
+            'fleet-ops:trailer', 'trailer' => Utils::getMutationType('fleet-ops:trailer'),
             default                        => $type,
         };
     }
diff --git a/server/src/Models/Trailer.php b/server/src/Models/Trailer.php
new file mode 100644
index 000000000..d366d836e
--- /dev/null
+++ b/server/src/Models/Trailer.php
@@ -0,0 +1,181 @@
+<?php
+
+namespace Fleetbase\FleetOps\Models;
+
+use Fleetbase\LaravelMysqlSpatial\Types\Point;
+use Fleetbase\Models\Model;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+
+class Trailer extends Asset
+{
+    public const ASSET_CLASS = 'trailer';
+
+    /**
+     * Lifecycle statuses. Attachment and connectivity are derived separately.
+     */
+    public const STATUSES = ['available', 'in_use', 'maintenance', 'out_of_service', 'retired'];
+
+    /**
+     * Stable trailer classification values shared by validation, import and the console.
+     */
+    public const TYPES = ['dry_van', 'reefer', 'flatbed', 'step_deck', 'lowboy', 'tanker', 'bulk', 'dump', 'chassis', 'curtain_side', 'car_carrier', 'livestock', 'logging', 'dolly', 'specialty', 'other'];
+
+    /**
+     * Ownership arrangements accepted for a trailer.
+     */
+    public const OWNERSHIP_TYPES = ['owned', 'leased', 'financed', 'rented'];
+
+    /**
+     * Keep the API payload identity independent from the shared assets table.
+     */
+    protected string $payloadKey = 'trailer';
+
+    protected $publicIdType = 'trailer';
+
+    protected $appends = ['category_name', 'vendor_name', 'warranty_name', 'current_location', 'photo_url', 'display_name', 'is_online', 'last_maintenance', 'next_maintenance_due', 'attachment_state', 'connectivity_status'];
+
+    protected $fillable = [
+        'company_uuid', 'category_uuid', 'vendor_uuid', 'warranty_uuid', 'telematic_uuid', 'current_place_uuid', 'photo_uuid',
+        'name', 'description', 'code', 'type', 'body_type', 'location', 'speed', 'heading', 'altitude', 'status', 'online', 'last_online_at',
+        'usage_type', 'vin', 'plate_number', 'make', 'model', 'year', 'color', 'serial_number', 'measurement_system', 'odometer', 'odometer_unit',
+        'ownership_type', 'engine_hours', 'length', 'width', 'height', 'tare_weight', 'gvwr', 'payload_capacity', 'cargo_volume', 'axle_count',
+        'tire_count', 'door_count', 'coupling_type', 'brake_type', 'abs_equipped', 'ebs_equipped', 'refrigerated', 'temperature_min',
+        'temperature_max', 'reefer_engine_hours', 'acquisition_cost', 'current_value', 'depreciation_rate', 'insurance_value', 'currency',
+        'financing_status', 'purchased_at', 'lease_expires_at', 'capacity', 'specs', 'attributes', 'telematics', 'notes', 'slug',
+    ];
+
+    protected $casts = [
+        'year'           => 'integer', 'odometer' => 'integer', 'engine_hours' => 'integer', 'axle_count' => 'integer', 'tire_count' => 'integer',
+        'door_count'     => 'integer', 'online' => 'boolean', 'abs_equipped' => 'boolean', 'ebs_equipped' => 'boolean', 'refrigerated' => 'boolean',
+        'last_online_at' => 'datetime', 'purchased_at' => 'date', 'lease_expires_at' => 'date', 'location' => \Fleetbase\FleetOps\Casts\Point::class,
+        'capacity'       => \Fleetbase\Casts\Json::class, 'specs' => \Fleetbase\Casts\Json::class, 'attributes' => \Fleetbase\Casts\Json::class,
+        'telematics'     => \Fleetbase\Casts\Json::class,
+    ];
+
+    protected static function booted(): void
+    {
+        static::addGlobalScope('trailer', fn (Builder $query) => $query->where($query->qualifyColumn('asset_class'), static::ASSET_CLASS));
+        static::creating(function (Trailer $trailer) {
+            $trailer->asset_class = static::ASSET_CLASS;
+            $trailer->status ??= 'available';
+        });
+        static::saving(fn (Trailer $trailer) => $trailer->asset_class = static::ASSET_CLASS);
+    }
+
+    /**
+     * Bulk removal never deletes a trailer that is still coupled to a vehicle: the
+     * active towing connection would be orphaned. Attached trailers are skipped, and
+     * the operation is refused outright when every selected trailer is attached.
+     */
+    public function bulkRemove($ids = [])
+    {
+        $ids      = array_values(array_filter(array_map('strval', (array) $ids), 'strlen'));
+        $selected = static::where('company_uuid', session('company'))
+            ->where(fn ($query) => $query->whereIn('uuid', $ids)->orWhereIn('public_id', $ids))
+            ->get(['uuid', 'public_id']);
+        $attachedUuids = AssetConnection::where('company_uuid', session('company'))
+            ->whereIn('active_connected_uuid', $selected->pluck('uuid'))
+            ->pluck('active_connected_uuid')
+            ->all();
+        $blocked = $selected
+            ->filter(fn (Trailer $trailer) => in_array($trailer->uuid, $attachedUuids, true))
+            ->flatMap(fn (Trailer $trailer) => [$trailer->uuid, $trailer->public_id])
+            ->all();
+        $deletable = array_values(array_filter($ids, fn ($id) => !in_array($id, $blocked, true)));
+
+        if (empty($deletable)) {
+            throw new \RuntimeException('Detach the selected trailers from their vehicles before deleting them.');
+        }
+
+        return parent::bulkRemove($deletable);
+    }
+
+    public function currentConnection(): HasOne
+    {
+        return $this->hasOne(AssetConnection::class, 'connected_uuid', 'uuid')
+            ->where('connected_type', static::class)->whereNotNull('active_connected_uuid')->whereNull('disconnected_at');
+    }
+
+    public function devices(): HasMany
+    {
+        return $this->hasMany(Device::class, 'attachable_uuid', 'uuid')->where('attachable_type', static::class);
+    }
+
+    public function equipments(): HasMany
+    {
+        return $this->hasMany(Equipment::class, 'equipable_uuid', 'uuid')->where('equipable_type', static::class);
+    }
+
+    public function positions(): HasMany
+    {
+        return $this->hasMany(Position::class, 'subject_uuid', 'uuid')->where('subject_type', static::class);
+    }
+
+    public function maintenances(): HasMany
+    {
+        return $this->hasMany(Maintenance::class, 'maintainable_uuid', 'uuid')->where('maintainable_type', static::class);
+    }
+
+    public function maintenanceSchedules(): HasMany
+    {
+        return $this->hasMany(MaintenanceSchedule::class, 'subject_uuid', 'uuid')->where('subject_type', static::class);
+    }
+
+    public function workOrders(): HasMany
+    {
+        return $this->hasMany(WorkOrder::class, 'target_uuid', 'uuid')->where('target_type', static::class);
+    }
+
+    public function connections(): HasMany
+    {
+        return $this->hasMany(AssetConnection::class, 'connected_uuid', 'uuid')->where('connected_type', static::class)->latest('connected_at');
+    }
+
+    public function createPosition(array $attributes = [], Model|string|null $destination = null): ?Position
+    {
+        $latitude  = $attributes['latitude'] ?? null;
+        $longitude = $attributes['longitude'] ?? null;
+        if ($latitude === null || $longitude === null) {
+            return null;
+        }
+
+        return Position::create([
+            'company_uuid'     => $this->company_uuid,
+            'subject_uuid'     => $this->uuid,
+            'subject_type'     => static::class,
+            'destination_uuid' => $destination instanceof Model ? $destination->uuid : $destination,
+            'coordinates'      => new Point((float) $latitude, (float) $longitude),
+            'heading'          => $attributes['heading'] ?? null,
+            'bearing'          => $attributes['bearing'] ?? null,
+            'speed'            => $attributes['speed'] ?? null,
+            'altitude'         => $attributes['altitude'] ?? null,
+        ]);
+    }
+
+    public function getCurrentVehicleAttribute(): ?Vehicle
+    {
+        return $this->currentConnection?->vehicle;
+    }
+
+    public function getAttachmentStateAttribute(): string
+    {
+        return $this->currentConnection ? 'attached' : 'detached';
+    }
+
+    public function getConnectivityStatusAttribute(): string
+    {
+        if (!$this->last_online_at) {
+            return 'never_connected';
+        }
+        if ($this->last_online_at->gte(now()->subMinutes(10))) {
+            return 'online';
+        }
+        if ($this->last_online_at->gte(now()->subDay())) {
+            return 'recently_offline';
+        }
+
+        return 'offline';
+    }
+}
diff --git a/server/src/Models/Vehicle.php b/server/src/Models/Vehicle.php
index 405b6c983..0fb69577a 100644
--- a/server/src/Models/Vehicle.php
+++ b/server/src/Models/Vehicle.php
@@ -375,6 +375,19 @@ public function equipments(): HasMany
         return $this->hasMany(Equipment::class, 'equipable_uuid', 'uuid')->where('equipable_type', static::class);
     }
 
+    public function trailerConnections(): HasMany
+    {
+        return $this->hasMany(AssetConnection::class, 'connector_uuid', 'uuid')->where('connector_type', static::class)->latest('connected_at');
+    }
+
+    public function currentTrailers(): HasManyThrough
+    {
+        return $this->hasManyThrough(Trailer::class, AssetConnection::class, 'connector_uuid', 'uuid', 'uuid', 'connected_uuid')
+            ->where('asset_connections.connector_type', static::class)
+            ->where('asset_connections.connected_type', Trailer::class)
+            ->whereNull('asset_connections.disconnected_at');
+    }
+
     public function maintenances(): HasMany
     {
         return $this->hasMany(Maintenance::class, 'maintainable_uuid', 'uuid')->where('maintainable_type', static::class);
diff --git a/server/src/Providers/FleetOpsServiceProvider.php b/server/src/Providers/FleetOpsServiceProvider.php
index 70adf1773..d150a1132 100644
--- a/server/src/Providers/FleetOpsServiceProvider.php
+++ b/server/src/Providers/FleetOpsServiceProvider.php
@@ -214,8 +214,10 @@ function (\Fleetbase\FleetOps\Tracking\TrackingProviderRegistry $registry) {
     public function registerMorphMap(): void
     {
         Relation::morphMap([
-            'Fleetbase\\Models\\Vehicle'   => \Fleetbase\FleetOps\Models\Vehicle::class,
-            '\\Fleetbase\\Models\\Vehicle' => \Fleetbase\FleetOps\Models\Vehicle::class,
+            'Fleetbase\\Models\\Vehicle'    => \Fleetbase\FleetOps\Models\Vehicle::class,
+            '\\Fleetbase\\Models\\Vehicle'  => \Fleetbase\FleetOps\Models\Vehicle::class,
+            'fleet-ops:vehicle'             => \Fleetbase\FleetOps\Models\Vehicle::class,
+            'fleet-ops:trailer'             => \Fleetbase\FleetOps\Models\Trailer::class,
         ]);
     }
 
diff --git a/server/src/Support/Ai/FleetOpsAiQueryResources.php b/server/src/Support/Ai/FleetOpsAiQueryResources.php
index 6471907b2..e00ee7a89 100644
--- a/server/src/Support/Ai/FleetOpsAiQueryResources.php
+++ b/server/src/Support/Ai/FleetOpsAiQueryResources.php
@@ -9,6 +9,7 @@
 use Fleetbase\FleetOps\Models\Fleet;
 use Fleetbase\FleetOps\Models\Order;
 use Fleetbase\FleetOps\Models\ServiceArea;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\Zone;
 
@@ -82,6 +83,27 @@ public static function register(AiQueryRegistry $registry): void
             maxLimit: 500,
         ));
 
+        $registry->register(new AiQueryableResource(
+            key: 'fleet-ops.trailers',
+            label: 'Fleet-Ops trailers',
+            module: 'fleet-ops',
+            modelClass: Trailer::class,
+            permission: 'fleet-ops see trailer',
+            aliases: ['trailers', 'trailer'],
+            fields: [
+                'online'         => ['column' => 'online', 'type' => 'boolean'],
+                'status'         => ['column' => 'status', 'type' => 'string'],
+                'type'           => ['column' => 'type', 'type' => 'string'],
+                'plate_number'   => ['column' => 'plate_number', 'type' => 'string'],
+                'last_online_at' => ['column' => 'last_online_at', 'type' => 'datetime'],
+                'updated_at'     => ['column' => 'updated_at', 'type' => 'datetime'],
+            ],
+            sampleFields: ['public_id', 'name', 'type', 'status', 'online', 'plate_number', 'last_online_at'],
+            locationField: 'location',
+            directivePermission: 'fleet-ops list trailer',
+            maxLimit: 500,
+        ));
+
         $registry->register(new AiQueryableResource(
             key: 'fleet-ops.orders',
             label: 'Fleet-Ops orders',
diff --git a/server/src/Support/Reporting/FleetOpsReportSchema.php b/server/src/Support/Reporting/FleetOpsReportSchema.php
index c52d59235..7def10879 100644
--- a/server/src/Support/Reporting/FleetOpsReportSchema.php
+++ b/server/src/Support/Reporting/FleetOpsReportSchema.php
@@ -24,6 +24,9 @@ public function registerReportSchema(ReportSchemaRegistry $registry): void
         // Register Vehicles table
         $registry->registerTable($this->createVehiclesTable());
 
+        // Assets includes first-class trailers; filter asset_class = trailer for trailer reports.
+        $registry->registerTable($this->createAssetsTable());
+
         // Register Places table
         $registry->registerTable($this->createPlacesTable());
 
@@ -592,6 +595,41 @@ protected function createVehiclesTable(): Table
             ]);
     }
 
+    /**
+     * Create the independently managed assets definition, including Trailers.
+     */
+    protected function createAssetsTable(): Table
+    {
+        return Table::make('assets')
+            ->label('Trailers and Assets')
+            ->description('Independently managed fleet assets; Trailer rows use asset_class trailer')
+            ->category('Fleet')
+            ->extension('fleet-ops')
+            ->excludeColumns(['uuid', 'company_uuid', 'deleted_at', 'meta', 'attributes'])
+            ->maxRows(10000)
+            ->columns([
+                Column::make('public_id', 'string')->label('Asset ID')->searchable()->filterable()->sortable(),
+                Column::make('asset_class', 'string')->label('Asset Class')->filterable()->aggregatable(),
+                Column::make('name', 'string')->label('Name')->searchable()->filterable()->sortable(),
+                Column::make('code', 'string')->label('Code')->searchable()->filterable()->sortable(),
+                Column::make('type', 'string')->label('Trailer Type')->filterable()->aggregatable(),
+                Column::make('status', 'string')->label('Lifecycle Status')->filterable()->aggregatable(),
+                Column::make('plate_number', 'string')->label('Plate Number')->searchable()->filterable(),
+                Column::make('make', 'string')->label('Make')->filterable()->aggregatable(),
+                Column::make('model', 'string')->label('Model')->filterable()->aggregatable(),
+                Column::make('year', 'integer')->label('Year')->filterable()->sortable(),
+                Column::make('gvwr', 'decimal')->label('GVWR')->filterable()->sortable()->aggregatable(),
+                Column::make('payload_capacity', 'decimal')->label('Payload Capacity')->filterable()->sortable()->aggregatable(),
+                Column::make('axle_count', 'integer')->label('Axle Count')->filterable()->sortable(),
+                Column::make('online', 'boolean')->label('Online')->filterable()->aggregatable(),
+                Column::make('last_online_at', 'datetime')->label('Last Online')->filterable()->sortable(),
+                Column::make('created_at', 'datetime')->label('Created')->filterable()->sortable(),
+            ])
+            ->computedColumns([
+                Column::count('total_assets', 'id')->label('Total Assets')->description('Count of selected trailer or asset rows'),
+            ]);
+    }
+
     /**
      * Create the Places table definition.
      */
diff --git a/server/src/Support/Telematics/TelematicService.php b/server/src/Support/Telematics/TelematicService.php
index 94bb624ec..71cf46c5a 100644
--- a/server/src/Support/Telematics/TelematicService.php
+++ b/server/src/Support/Telematics/TelematicService.php
@@ -3,6 +3,7 @@
 namespace Fleetbase\FleetOps\Support\Telematics;
 
 use Fleetbase\FleetOps\Contracts\TelematicProviderInterface;
+use Fleetbase\FleetOps\Events\TrailerLocationChanged;
 use Fleetbase\FleetOps\Events\VehicleLocationChanged;
 use Fleetbase\FleetOps\Jobs\SyncTelematicDevicesJob;
 use Fleetbase\FleetOps\Jobs\TestTelematicConnectionJob;
@@ -10,6 +11,7 @@
 use Fleetbase\FleetOps\Models\DeviceEvent;
 use Fleetbase\FleetOps\Models\Sensor;
 use Fleetbase\FleetOps\Models\Telematic;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\LaravelMysqlSpatial\Types\Point as SpatialPoint;
 use Illuminate\Support\Carbon;
@@ -654,9 +656,42 @@ protected function applyDeviceEventTelemetry(DeviceEvent $event, array $eventDat
         $attachable = $device?->attachable;
         if ($attachable instanceof Vehicle) {
             $this->updateVehicleTelemetry($attachable, $location, $eventData, $event);
+        } elseif ($attachable instanceof Trailer) {
+            $this->updateTrailerTelemetry($attachable, $location, $eventData, $event);
         }
     }
 
+    protected function updateTrailerTelemetry(Trailer $trailer, array $location, array $eventData, DeviceEvent $event): void
+    {
+        $observedAt = $event->occurred_at ?? $event->created_at ?? now();
+        $currentAt  = data_get($trailer->telematics, 'last_event_at');
+        if ($currentAt && $observedAt->lt(Carbon::parse($currentAt))) {
+            return;
+        }
+
+        $trailer->location       = new SpatialPoint($location['latitude'], $location['longitude']);
+        $trailer->online         = array_key_exists('online', $eventData) && $eventData['online'] !== null ? (bool) $eventData['online'] : true;
+        $trailer->last_online_at = $observedAt;
+        foreach (['speed', 'heading', 'altitude', 'odometer', 'reefer_engine_hours'] as $field) {
+            if (array_key_exists($field, $eventData) && $eventData[$field] !== null) {
+                $trailer->{$field} = $eventData[$field];
+            }
+        }
+
+        $trailer->telematics = array_merge($trailer->telematics ?? [], [
+            'last_event_uuid'     => $event->uuid,
+            'last_event_id'       => $event->public_id,
+            'last_event_type'     => $event->event_type,
+            'last_event_at'       => $observedAt->toISOString(),
+            'last_device_uuid'    => $event->device_uuid,
+            'last_provider'       => $event->provider,
+            'last_telemetry_data' => array_filter($eventData, fn ($value) => $value !== null),
+        ]);
+        $trailer->save();
+
+        broadcast(new TrailerLocationChanged($trailer, ['source' => 'telematics', 'device_event_uuid' => $event->uuid, 'provider' => $event->provider]));
+    }
+
     protected function updateVehicleTelemetry(Vehicle $vehicle, array $location, array $eventData, DeviceEvent $event): void
     {
         $vehicle->location = new SpatialPoint($location['latitude'], $location['longitude']);
diff --git a/server/src/routes.php b/server/src/routes.php
index 1e3cf607d..ad7f0df65 100644
--- a/server/src/routes.php
+++ b/server/src/routes.php
@@ -133,6 +133,8 @@ function ($router) {
                 $router->get('{id}', 'EquipmentController@find');
                 $router->put('{id}', 'EquipmentController@update');
                 $router->delete('{id}', 'EquipmentController@delete');
+                $router->post('{id}/attach', 'EquipmentController@attach');
+                $router->post('{id}/detach', 'EquipmentController@detach');
             });
             // parts routes
             $router->group(['prefix' => 'parts'], function () use ($router) {
@@ -297,6 +299,19 @@ function ($router) {
                 $router->put('{id}', 'VehicleController@update');
                 $router->delete('{id}', 'VehicleController@delete');
                 $router->match(['put', 'patch', 'post'], '{id}/track', 'VehicleController@track');
+                $router->get('{id}/trailers', 'TrailerController@vehicleTrailers');
+            });
+            // trailer routes
+            $router->group(['prefix' => 'trailers'], function () use ($router) {
+                $router->post('/', 'TrailerController@create');
+                $router->get('/', 'TrailerController@query');
+                $router->get('{id}', 'TrailerController@find');
+                $router->put('{id}', 'TrailerController@update');
+                $router->delete('{id}', 'TrailerController@delete');
+                $router->match(['put', 'patch', 'post'], '{id}/track', 'TrailerController@track');
+                $router->post('{id}/attach', 'TrailerController@attach');
+                $router->post('{id}/detach', 'TrailerController@detach');
+                $router->get('{id}/connections', 'TrailerController@connections');
             });
             // fleets routes
             $router->group(['prefix' => 'fleets'], function () use ($router) {
@@ -563,10 +578,24 @@ function ($router, $controller) {
                                 $router->post('{id}/unassign-orders', $controller('unassignOrders'));
                                 $router->post('{id}/attach-device', $controller('attachDevice'));
                                 $router->post('{id}/detach-device', $controller('detachDevice'));
+                                $router->post('{id}/attach-equipment', $controller('attachEquipment'));
+                                $router->post('{id}/detach-equipment', $controller('detachEquipment'));
                                 $router->match(['get', 'post'], 'export', $controller('export'));
                                 $router->post('import', $controller('import'));
                             }
                         );
+                        $router->fleetbaseRoutes('trailers', function ($router, $controller) {
+                            $router->get('statuses', $controller('statuses'));
+                            $router->get('types', $controller('types'));
+                            $router->post('{id}/attach', $controller('attach'));
+                            $router->post('{id}/detach', $controller('detach'));
+                            $router->post('{id}/attach-device', $controller('attachDevice'));
+                            $router->post('{id}/detach-device', $controller('detachDevice'));
+                            $router->post('{id}/attach-equipment', $controller('attachEquipment'));
+                            $router->post('{id}/detach-equipment', $controller('detachEquipment'));
+                            $router->match(['get', 'post'], 'export', $controller('export'));
+                            $router->post('import', $controller('import'));
+                        });
                         $router->fleetbaseRoutes('vehicle-devices');
                         $router->fleetbaseRoutes(
                             'vendors',
diff --git a/server/tests/Feature/Http/Api/DeviceControllerContractsTest.php b/server/tests/Feature/Http/Api/DeviceControllerContractsTest.php
index 03a907551..d6e7d5594 100644
--- a/server/tests/Feature/Http/Api/DeviceControllerContractsTest.php
+++ b/server/tests/Feature/Http/Api/DeviceControllerContractsTest.php
@@ -82,9 +82,9 @@ protected function logDeviceAttachmentLookupFailure(string $action, string $devi
         $this->lookupLogs[] = [$action, $deviceId, $vehicleId];
     }
 
-    protected function logDeviceAttachmentFailure(string $action, Device $device, ?Vehicle $vehicle, Throwable $exception): void
+    protected function logDeviceAttachmentFailure(string $action, Device $device, ?EloquentModel $attachable, Throwable $exception): void
     {
-        $this->failureLogs[] = [$action, $device->uuid, $vehicle?->uuid, $exception->getMessage()];
+        $this->failureLogs[] = [$action, $device->uuid, $attachable?->uuid, $exception->getMessage()];
     }
 }
 
@@ -339,9 +339,9 @@ function fleetopsApiDeviceRelated(string $uuid): FleetOpsApiDeviceRelatedFake
         ])
         ->and($device->detaches)->toBe(['device-uuid'])
         ->and($missing)->toBe(['error' => 'Device resource not found.'])
-        ->and($attachFailure)->toBe(['error' => 'Unable to attach device to vehicle.'])
+        ->and($attachFailure)->toBe(['error' => 'Unable to attach device to resource.'])
         ->and($attachFailureController->failureLogs)->toBe([['attach', 'attach-failure', 'vehicle-uuid', 'attach exploded']])
-        ->and($detachFailure)->toBe(['error' => 'Unable to detach device from vehicle.'])
+        ->and($detachFailure)->toBe(['error' => 'Unable to detach device from resource.'])
         ->and($detachFailureController->failureLogs)->toBe([['detach', 'detach-failure', null, 'detach exploded']])
-        ->and($lookupFailure)->toBe(['error' => 'Device or vehicle resource not found.']);
+        ->and($lookupFailure)->toBe(['error' => 'Device or attachable resource not found.']);
 });
diff --git a/server/tests/Feature/Http/Api/TrailerControllerLifecycleTest.php b/server/tests/Feature/Http/Api/TrailerControllerLifecycleTest.php
new file mode 100644
index 000000000..c073197f9
--- /dev/null
+++ b/server/tests/Feature/Http/Api/TrailerControllerLifecycleTest.php
@@ -0,0 +1,634 @@
+<?php
+
+use Fleetbase\FleetOps\Exports\TrailerExport;
+use Fleetbase\FleetOps\Http\Controllers\Api\v1\EquipmentController;
+use Fleetbase\FleetOps\Http\Controllers\Api\v1\TrailerController;
+use Fleetbase\FleetOps\Http\Controllers\Api\v1\VehicleController;
+use Fleetbase\FleetOps\Http\Controllers\Internal\v1\TrailerController as InternalTrailerController;
+use Fleetbase\FleetOps\Http\Controllers\Internal\v1\VehicleController as InternalVehicleController;
+use Fleetbase\FleetOps\Http\Requests\CreateTrailerRequest;
+use Fleetbase\FleetOps\Http\Requests\UpdateTrailerRequest;
+use Fleetbase\FleetOps\Http\Resources\v1\Vehicle as VehicleResource;
+use Fleetbase\FleetOps\Imports\TrailerImport;
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Models\Vehicle;
+use Fleetbase\Http\Requests\ExportRequest;
+use Fleetbase\Http\Requests\ImportRequest;
+use Illuminate\Config\Repository;
+use Illuminate\Database\ConnectionResolver;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
+use Illuminate\Database\SQLiteConnection;
+use Illuminate\Events\Dispatcher;
+use Illuminate\Http\Request;
+use Illuminate\Support\Carbon;
+
+if (!function_exists('Fleetbase\\Support\\auth')) {
+    eval('namespace Fleetbase\\Support; function auth() { return new class { public function user() { return null; } public function id() { return null; } }; }');
+}
+
+if (!function_exists('Fleetbase\\FleetOps\\Http\\Controllers\\Api\\v1\\abort')) {
+    eval('namespace Fleetbase\\FleetOps\\Http\\Controllers\\Api\\v1; function abort($code, $message = "", array $headers = []) { throw new \\Symfony\\Component\\HttpKernel\\Exception\\HttpException($code, $message, null, $headers); }');
+}
+
+if (!function_exists('Fleetbase\\FleetOps\\Http\\Controllers\\Internal\\v1\\abort')) {
+    eval('namespace Fleetbase\\FleetOps\\Http\\Controllers\\Internal\\v1; function abort($code, $message = "", array $headers = []) { throw new \\Symfony\\Component\\HttpKernel\\Exception\\HttpException($code, $message, null, $headers); }');
+}
+
+if (!function_exists('Fleetbase\\FleetOps\\Http\\Controllers\\Api\\v1\\broadcast')) {
+    eval('namespace Fleetbase\\FleetOps\\Http\\Controllers\\Api\\v1; function broadcast($event) { return $event; }');
+}
+
+if (!class_exists('Fleetbase\\Http\\Requests\\ExportRequest', false)) {
+    eval('namespace Fleetbase\\Http\\Requests; class ExportRequest extends \\Illuminate\\Http\\Request {}');
+}
+
+if (!class_exists('Fleetbase\\Http\\Requests\\ImportRequest', false)) {
+    eval('namespace Fleetbase\\Http\\Requests; class ImportRequest extends \\Illuminate\\Http\\Request {}');
+}
+
+class FleetOpsTrailerControllerProbe extends TrailerController
+{
+    public function mappedInput(Request $request): array
+    {
+        return $this->input($request);
+    }
+
+    protected function queryTrailers(Request $request, callable $callback)
+    {
+        $query = Trailer::where('company_uuid', session('company'));
+        $callback($query, $request);
+
+        return $query->get();
+    }
+}
+
+class FleetOpsInternalTrailerSpreadsheetProbe extends InternalTrailerController
+{
+    public array $downloads = [];
+    public array $imports   = [];
+
+    protected function downloadExport(TrailerExport $export, string $fileName)
+    {
+        $this->downloads[] = [$export, $fileName];
+
+        return ['file' => $fileName];
+    }
+
+    protected function createImport(): TrailerImport
+    {
+        $import           = new TrailerImport();
+        $import->imported = 2;
+
+        return $import;
+    }
+
+    protected function importFile(TrailerImport $import, string $path, string $disk): void
+    {
+        $this->imports[] = [$path, $disk];
+    }
+}
+
+class FleetOpsTrailerExportRequestFake extends ExportRequest
+{
+    public function array($key = null, $default = [])
+    {
+        return (array) $this->input($key, $default);
+    }
+}
+
+class FleetOpsTrailerImportRequestFake extends ImportRequest
+{
+    public array $resolvedFiles = [];
+
+    public function resolveFilesFromIds(string $param = 'files')
+    {
+        return collect($this->resolvedFiles);
+    }
+}
+
+function fleetOpsTrailerControllerDatabase(): SQLiteConnection
+{
+    $pdo = new PDO('sqlite::memory:');
+    $pdo->sqliteCreateFunction('ST_PointFromText', fn ($wkt, $srid = 0, $axisOrder = null) => $wkt);
+    $pdo->sqliteCreateFunction('ST_GeomFromText', function ($wkt, $srid = 0, $axisOrder = null) {
+        if (is_string($wkt) && sscanf($wkt, 'POINT(%f %f)', $longitude, $latitude) === 2) {
+            return pack('V', (int) $srid) . pack('C', 1) . pack('V', 1) . pack('d', $longitude) . pack('d', $latitude);
+        }
+
+        return $wkt;
+    });
+    $connection = new SQLiteConnection($pdo);
+    $resolver   = new ConnectionResolver(['default' => $connection, 'mysql' => $connection]);
+    $resolver->setDefaultConnection('mysql');
+    EloquentModel::setConnectionResolver($resolver);
+    EloquentModel::setEventDispatcher(new Dispatcher());
+    // Model hooks bind to the dispatcher present when a class boots; re-boot so the
+    // hooks of models booted by earlier test files land on this dispatcher.
+    EloquentModel::clearBootedModels();
+    $config = new Repository([
+        'activitylog' => ['enabled' => false, 'default_auth_driver' => null, 'default_log_name' => 'default'],
+        'api'         => ['cache' => ['enabled' => false]],
+        'filesystems' => ['default' => 'local'],
+    ]);
+    app()->instance('config', $config);
+    app()->instance(Illuminate\Contracts\Config\Repository::class, $config);
+    app()->instance(Spatie\Activitylog\CauserResolver::class, new class extends Spatie\Activitylog\CauserResolver {
+        public function __construct()
+        {
+        }
+
+        public function resolve(EloquentModel|int|string|null $subject = null): ?EloquentModel
+        {
+            return null;
+        }
+    });
+    app()->instance('db', new class($connection) {
+        public function __construct(public SQLiteConnection $connection)
+        {
+        }
+
+        public function connection($name = null): SQLiteConnection
+        {
+            return $this->connection;
+        }
+
+        public function __call($method, $arguments)
+        {
+            return $this->connection->{$method}(...$arguments);
+        }
+    });
+    Illuminate\Support\Facades\DB::clearResolvedInstance('db');
+    app()->instance('db.schema', $connection->getSchemaBuilder());
+    app()->instance('responsecache', new class {
+        public function __call($method, $arguments)
+        {
+            return null;
+        }
+    });
+    app()->instance('request', Request::create('/'));
+
+    $schema = $connection->getSchemaBuilder();
+    $schema->create('assets', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'category_uuid', 'vendor_uuid', 'warranty_uuid', 'telematic_uuid', 'current_place_uuid', 'photo_uuid', 'name', 'description', 'code', 'type', 'body_type', 'asset_class', 'status', 'vin', 'plate_number', 'serial_number', 'make', 'model', 'year', 'color', 'usage_type', 'measurement_system', 'odometer', 'odometer_unit', 'ownership_type', 'purchased_at', 'lease_expires_at', 'financing_status', 'currency', 'acquisition_cost', 'current_value', 'insurance_value', 'depreciation_rate', 'length', 'width', 'height', 'tare_weight', 'gvwr', 'payload_capacity', 'cargo_volume', 'axle_count', 'tire_count', 'door_count', 'coupling_type', 'brake_type', 'abs_equipped', 'ebs_equipped', 'refrigerated', 'temperature_min', 'temperature_max', 'reefer_engine_hours', 'capacity', 'specs', 'attributes', 'notes', 'location', 'speed', 'heading', 'altitude', 'online', 'last_online_at', 'telematics', 'slug', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('vehicles', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'internal_id', 'company_uuid', 'name', 'display_name', 'plate_number', 'status', 'slug', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('users', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'name', 'email', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('drivers', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'user_uuid', 'vehicle_uuid', 'status', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('asset_connections', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'connector_type', 'connector_uuid', 'connected_type', 'connected_uuid', 'active_connected_uuid', 'active_connector_position', 'relationship_type', 'position', 'connected_at', 'disconnected_at', 'source', 'confidence', 'notes', 'meta', 'created_by_uuid', 'updated_by_uuid', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    foreach (['categories', 'vendors', 'warranties', 'files'] as $name) {
+        $schema->create($name, function ($table) {
+            $table->increments('id');
+            foreach (['uuid', 'public_id', 'company_uuid', 'name', 'type', 'path', 'disk', 'status', '_key'] as $column) {
+                $table->string($column)->nullable();
+            }
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+    foreach (['devices', 'equipments'] as $name) {
+        $schema->create($name, function ($table) {
+            $table->increments('id');
+            foreach (['uuid', 'public_id', 'company_uuid', 'warranty_uuid', 'photo_uuid', 'name', 'attachable_type', 'attachable_uuid', 'equipable_type', 'equipable_uuid', 'status', '_key'] as $column) {
+                $table->string($column)->nullable();
+            }
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+    $schema->create('custom_field_values', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'company_uuid', 'custom_field_uuid', 'subject_uuid', 'subject_type', 'value', 'value_type'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('custom_fields', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'company_uuid', 'label', 'name', 'type'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('maintenances', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'maintainable_type', 'maintainable_uuid', 'status', 'completed_at'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('maintenance_schedules', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'subject_type', 'subject_uuid', 'status', 'next_due_at'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('activity_log', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'company_uuid', 'log_name', 'description', 'subject_type', 'subject_id', 'causer_type', 'causer_id', 'properties', 'event', 'batch_uuid'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+    });
+    $schema->create('positions', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'subject_type', 'subject_uuid', 'destination_uuid', 'coordinates', 'heading', 'bearing', 'speed', 'altitude', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+
+    session(['company' => 'company-trailer-api', 'user' => 'user-trailer-api']);
+
+    return $connection;
+}
+
+function fleetOpsSeedTrailerApi(SQLiteConnection $connection): void
+{
+    $connection->table('assets')->insert([
+        ['uuid' => 'trailer-api-1', 'public_id' => 'trailer_api_one', 'company_uuid' => 'company-trailer-api', 'name' => 'Trailer One', 'asset_class' => 'trailer', 'status' => 'available'],
+        ['uuid' => 'trailer-api-2', 'public_id' => 'trailer_api_two', 'company_uuid' => 'company-trailer-api', 'name' => 'Trailer Two', 'asset_class' => 'trailer', 'status' => 'available'],
+        ['uuid' => 'trailer-other', 'public_id' => 'trailer_other', 'company_uuid' => 'company-other', 'name' => 'Other Trailer', 'asset_class' => 'trailer', 'status' => 'available'],
+    ]);
+    $connection->table('vehicles')->insert([
+        ['uuid' => 'vehicle-api-1', 'public_id' => 'vehicle_api_one', 'internal_id' => 'TRUCK-1', 'company_uuid' => 'company-trailer-api', 'name' => 'Truck One'],
+        ['uuid' => 'vehicle-api-2', 'public_id' => 'vehicle_api_two', 'internal_id' => 'TRUCK-2', 'company_uuid' => 'company-trailer-api', 'name' => 'Truck Two'],
+    ]);
+}
+
+function fleetOpsCreateTrailerApiRequest(array $input): CreateTrailerRequest
+{
+    return CreateTrailerRequest::create('/v1/trailers', 'POST', $input);
+}
+
+function fleetOpsUpdateTrailerApiRequest(array $input): UpdateTrailerRequest
+{
+    return UpdateTrailerRequest::create('/v1/trailers/trailer_api_one', 'PATCH', $input);
+}
+
+test('public trailer controller creates queries finds updates and deletes company trailers', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $controller = new FleetOpsTrailerControllerProbe();
+
+    $created = $controller->create(fleetOpsCreateTrailerApiRequest(['name' => 'Created Trailer', 'type' => 'flatbed']));
+    expect($created)->not->toBeNull()
+        ->and($connection->table('assets')->where('name', 'Created Trailer')->value('asset_class'))->toBe('trailer');
+
+    $query = $controller->query(Request::create('/v1/trailers', 'GET'));
+    expect($query->count())->toBe(3)
+        ->and($controller->find('trailer_api_one'))->not->toBeNull()
+        ->and($controller->find('missing')->getStatusCode())->toBe(404);
+
+    $updated = $controller->update('trailer_api_one', fleetOpsUpdateTrailerApiRequest(['name' => 'Renamed Trailer']));
+    expect($updated)->not->toBeNull()
+        ->and($connection->table('assets')->where('uuid', 'trailer-api-1')->value('name'))->toBe('Renamed Trailer')
+        ->and($controller->update('missing', fleetOpsUpdateTrailerApiRequest(['name' => 'Missing']))->getStatusCode())->toBe(404)
+        ->and($controller->delete('missing')->getStatusCode())->toBe(404);
+
+    $deleted = $controller->delete('trailer_api_two');
+    expect($deleted)->not->toBeNull()
+        ->and($connection->table('assets')->where('uuid', 'trailer-api-2')->whereNull('deleted_at')->count())->toBe(0);
+});
+
+test('public trailer input accepts coordinate forms and clears public relations', function () {
+    fleetOpsTrailerControllerDatabase();
+    $controller  = new FleetOpsTrailerControllerProbe();
+    $coordinates = $controller->mappedInput(Request::create('/v1/trailers', 'POST', ['name' => 'Located', 'latitude' => 1.3, 'longitude' => 103.8]));
+    $point       = $controller->mappedInput(Request::create('/v1/trailers', 'POST', ['name' => 'Located', 'location' => [103.8, 1.3]]));
+    $cleared     = $controller->mappedInput(Request::create('/v1/trailers', 'POST', ['name' => 'No Relations', 'category' => '', 'vendor' => '', 'warranty' => '', 'photo' => '']));
+    expect($coordinates['location'])->not->toBeNull()
+        ->and($point['location'])->not->toBeNull()
+        ->and($cleared)->toMatchArray(['category_uuid' => null, 'vendor_uuid' => null, 'warranty_uuid' => null, 'photo_uuid' => null]);
+});
+
+test('public trailer tracking persists positions and rejects stale and missing events', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $controller = new TrailerController();
+    Carbon::setTestNow('2026-09-03 12:00:00');
+
+    $tracked = $controller->track('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/track', 'POST', ['latitude' => 1.3, 'longitude' => 103.8, 'speed' => 40, 'heading' => 180, 'altitude' => 10, 'odometer' => 1200, 'observed_at' => '2026-09-03 12:00:00']));
+    expect($tracked)->not->toBeNull()
+        ->and($connection->table('positions')->count())->toBe(1);
+
+    $connection->table('assets')->where('uuid', 'trailer-api-1')->update(['telematics' => json_encode(['last_event_at' => '2026-09-03T12:00:00.000000Z'])]);
+    $controller->track('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/track', 'POST', ['latitude' => 1.2, 'longitude' => 103.7, 'observed_at' => '2026-09-03 11:00:00']));
+    expect($connection->table('positions')->count())->toBe(1)
+        ->and($controller->track('missing', Request::create('/v1/trailers/missing/track', 'POST', ['latitude' => 1, 'longitude' => 2]))->getStatusCode())->toBe(404);
+    Carbon::setTestNow();
+});
+
+test('public trailer towing lifecycle is idempotent conflict safe and exposes history', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $controller = new TrailerController();
+
+    $attached = $controller->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'vehicle_api_one', 'position' => 1, 'source' => 'dispatcher']));
+    expect($attached)->not->toBeNull()
+        ->and($connection->table('asset_connections')->count())->toBe(1)
+        ->and($controller->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'vehicle_api_one', 'position' => 1])))->not->toBeNull()
+        ->and($connection->table('asset_connections')->count())->toBe(1);
+
+    expect($controller->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'vehicle_api_two']))->getStatusCode())->toBe(409)
+        ->and($controller->delete('trailer_api_one')->getStatusCode())->toBe(409)
+        ->and($controller->connections('trailer_api_one')->count())->toBe(1)
+        ->and($controller->vehicleTrailers('vehicle_api_one')->count())->toBe(1)
+        ->and($controller->connections('missing')->getStatusCode())->toBe(404)
+        ->and($controller->vehicleTrailers('missing')->getStatusCode())->toBe(404);
+
+    expect($controller->detach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/detach', 'POST', ['notes' => 'Arrived']))->getStatusCode())->toBe(200)
+        ->and($controller->detach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/detach', 'POST'))->getStatusCode())->toBe(200)
+        ->and($controller->detach('missing', Request::create('/v1/trailers/missing/detach', 'POST'))->getStatusCode())->toBe(404);
+
+    $controller->attach('trailer_api_two', Request::create('/v1/trailers/trailer_api_two/attach', 'POST', ['vehicle' => 'vehicle_api_one', 'position' => 1]));
+    expect($controller->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'vehicle_api_one', 'position' => 1]))->getStatusCode())->toBe(409)
+        ->and($controller->attach('missing', Request::create('/v1/trailers/missing/attach', 'POST', ['vehicle' => 'vehicle_api_one']))->getStatusCode())->toBe(404)
+        ->and($controller->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'missing']))->getStatusCode())->toBe(404);
+});
+
+class FleetOpsInternalTrailerAfterSaveFake extends Trailer
+{
+    public array $syncedValues = [];
+
+    public function syncCustomFieldValues(array $values, array $options = []): array
+    {
+        $this->syncedValues[] = $values;
+
+        return $values;
+    }
+}
+
+class FleetOpsInternalTrailerDeleteProbe extends InternalTrailerController
+{
+    public array $deleted = [];
+
+    protected function deleteTrailerRecord($id, Request $request)
+    {
+        $this->deleted[] = $id;
+
+        return response()->json(['status' => 'deleted']);
+    }
+}
+
+class FleetOpsVehicleExpansionProbe extends VehicleController
+{
+    public function mapExpansions(Request $request): array
+    {
+        return $this->resolvePublicExpansions($request, static::EXPANDABLE);
+    }
+}
+
+test('internal trailer controller syncs custom fields and manages towing', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $controller = new InternalTrailerController();
+    $fake       = new FleetOpsInternalTrailerAfterSaveFake();
+    $controller->afterSave(Request::create('/int/v1/trailers', 'POST', ['trailer' => ['custom_field_values' => ['door' => 'sealed']]]), $fake);
+    $controller->afterSave(Request::create('/int/v1/trailers', 'POST'), $fake);
+    expect($fake->syncedValues)->toBe([['door' => 'sealed']]);
+
+    expect($controller->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'vehicle-api-1', 'position' => 1]), 'trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('asset_connections')->count())->toBe(1)
+        ->and($controller->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'vehicle-api-1', 'position' => 1]), 'trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('asset_connections')->count())->toBe(1)
+        ->and($controller->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'vehicle-api-2']), 'trailer-api-1')->getStatusCode())->toBe(409)
+        ->and($controller->attach(Request::create('/int/v1/trailers/missing/attach', 'POST', ['vehicle' => 'vehicle-api-1']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'missing']), 'trailer-api-1')->getStatusCode())->toBe(404);
+
+    expect($controller->detach('trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($controller->detach('trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($controller->detach('missing')->getStatusCode())->toBe(404);
+    $controller->attach(Request::create('/int/v1/trailers/trailer-api-2/attach', 'POST', ['vehicle' => 'vehicle-api-1', 'position' => 1]), 'trailer-api-2');
+    expect($controller->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'vehicle-api-1', 'position' => 1]), 'trailer-api-1')->getStatusCode())->toBe(409);
+});
+
+test('internal trailer controller attaches and detaches equipment with ownership guards', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $connection->table('equipments')->insert([
+        ['uuid' => 'equipment-api-1', 'public_id' => 'equipment_api_one', 'company_uuid' => 'company-trailer-api', 'name' => 'Lift Gate'],
+        ['uuid' => 'equipment-api-2', 'public_id' => 'equipment_api_two', 'company_uuid' => 'company-trailer-api', 'name' => 'Pump'],
+    ]);
+    $controller = new InternalTrailerController();
+    expect($controller->attachEquipment(Request::create('/attach', 'POST', ['equipment' => 'equipment_api_one']), 'trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('equipments')->where('uuid', 'equipment-api-1')->value('equipable_uuid'))->toBe('trailer-api-1')
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'equipment_api_two']), 'trailer-api-1')->getStatusCode())->toBe(422)
+        ->and($controller->attachEquipment(Request::create('/attach', 'POST', ['equipment' => 'equipment_api_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->attachEquipment(Request::create('/attach', 'POST', ['equipment' => 'missing']), 'trailer-api-1')->getStatusCode())->toBe(404)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'equipment_api_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'missing']), 'trailer-api-1')->getStatusCode())->toBe(404)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'equipment_api_one']), 'trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('equipments')->where('uuid', 'equipment-api-1')->value('equipable_uuid'))->toBeNull();
+});
+
+test('internal trailer controller attaches and detaches devices with ownership guards', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $connection->table('devices')->insert([
+        ['uuid' => 'device-api-1', 'public_id' => 'device_api_one', 'company_uuid' => 'company-trailer-api', 'name' => 'Tracker'],
+        ['uuid' => 'device-api-2', 'public_id' => 'device_api_two', 'company_uuid' => 'company-trailer-api', 'name' => 'Other Tracker'],
+    ]);
+    app()->forgetInstance('db.schema');
+    $controller = new InternalTrailerController();
+    expect($controller->attachDevice(Request::create('/attach', 'POST', ['device' => 'device_api_one']), 'trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('devices')->where('uuid', 'device-api-1')->value('attachable_uuid'))->toBe('trailer-api-1')
+        ->and($controller->detachDevice(Request::create('/detach', 'POST', ['device' => 'device_api_two']), 'trailer-api-1')->getStatusCode())->toBe(422)
+        ->and($controller->attachDevice(Request::create('/attach', 'POST', ['device' => 'device_api_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->attachDevice(Request::create('/attach', 'POST', ['device' => 'missing']), 'trailer-api-1')->getStatusCode())->toBe(404)
+        ->and($controller->detachDevice(Request::create('/detach', 'POST', ['device' => 'device_api_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->detachDevice(Request::create('/detach', 'POST', ['device' => 'missing']), 'trailer-api-1')->getStatusCode())->toBe(404)
+        ->and($controller->detachDevice(Request::create('/detach', 'POST', ['device' => 'device_api_one']), 'trailer-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('devices')->where('uuid', 'device-api-1')->value('attachable_uuid'))->toBeNull();
+});
+
+test('public equipment attachment endpoints support trailers, idempotence, detach and missing resources', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $connection->table('equipments')->insert(['uuid' => 'equipment-public-1', 'public_id' => 'equipment_public_one', 'company_uuid' => 'company-trailer-api', 'name' => 'Trailer Pump']);
+    $controller = new EquipmentController();
+
+    expect($controller->attach(Request::create('/v1/equipment/equipment_public_one/attach', 'POST', ['attachable_type' => 'trailer', 'attachable' => 'trailer_api_one']), 'equipment_public_one'))->not->toBeNull()
+        ->and($connection->table('equipments')->where('uuid', 'equipment-public-1')->value('equipable_uuid'))->toBe('trailer-api-1')
+        ->and($controller->attach(Request::create('/v1/equipment/equipment_public_one/attach', 'POST', ['attachable_type' => 'trailer', 'attachable' => 'trailer_api_one']), 'equipment_public_one'))->not->toBeNull()
+        ->and($controller->attach(Request::create('/v1/equipment/missing/attach', 'POST', ['attachable_type' => 'trailer', 'attachable' => 'trailer_api_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->detach('equipment_public_one'))->not->toBeNull()
+        ->and($connection->table('equipments')->where('uuid', 'equipment-public-1')->value('equipable_uuid'))->toBeNull()
+        ->and($controller->detach('equipment_public_one'))->not->toBeNull()
+        ->and($controller->detach('missing')->getStatusCode())->toBe(404);
+});
+
+test('internal trailer spreadsheet endpoints scope exports and count imported files', function () {
+    $controller    = new FleetOpsInternalTrailerSpreadsheetProbe();
+    $exportRequest = FleetOpsTrailerExportRequestFake::create('/int/v1/trailers/export', 'POST', ['format' => 'csv', 'selections' => ['trailer-api-1']]);
+    $download      = $controller->export($exportRequest);
+    expect($download['file'])->toEndWith('.csv')
+        ->and($controller->downloads[0][0])->toBeInstanceOf(TrailerExport::class);
+
+    $importRequest                = FleetOpsTrailerImportRequestFake::create('/int/v1/trailers/import', 'POST', ['disk' => 'local']);
+    $importRequest->resolvedFiles = [(object) ['path' => 'trailers-one.csv'], (object) ['path' => 'trailers-two.csv']];
+    $response                     = $controller->import($importRequest);
+    expect($response->getData(true)['imported'])->toBe(4)
+        ->and($controller->imports)->toBe([['trailers-one.csv', 'local'], ['trailers-two.csv', 'local']]);
+});
+
+test('public trailer responses expose relation identifiers, expansions and sanitized telematics', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $connection->table('vendors')->insert(['uuid' => 'vendor-api-1', 'public_id' => 'vendor_api_one', 'company_uuid' => 'company-trailer-api', 'name' => 'Trailer Vendor']);
+    $connection->table('assets')->where('uuid', 'trailer-api-1')->update([
+        'vendor_uuid' => 'vendor-api-1',
+        'telematics'  => json_encode(['last_provider' => 'flespi', 'last_device_uuid' => 'device-uuid', 'last_event_uuid' => 'event-uuid', 'last_event_at' => '2026-09-01T00:00:00Z']),
+    ]);
+    $controller = new FleetOpsTrailerControllerProbe();
+
+    // No request injected: the controller falls back to the container request.
+    app()->instance('request', Request::create('/v1/trailers/trailer_api_one', 'GET'));
+    $plain = $controller->find('trailer_api_one')->resolve();
+    expect($plain['id'])->toBe('trailer_api_one')
+        ->and($plain['vendor_id'])->toBe('vendor_api_one')
+        ->and($plain['category_id'])->toBeNull()
+        ->and($plain['vehicle_id'])->toBeNull()
+        ->and($plain['current_vehicle'])->toBeNull()
+        ->and($plain)->not->toHaveKeys(['uuid', 'company_uuid', 'vendor', 'vendor_uuid', 'equipments'])
+        ->and((array) $plain['telematics'])->toBe(['last_provider' => 'flespi', 'last_event_at' => '2026-09-01T00:00:00Z'])
+        ->and($plain['equipment']->resolve())->toBe([])
+        ->and($plain['devices_count'])->toBe(0);
+
+    $withRequest = Request::create('/v1/trailers/trailer_api_one', 'GET', ['with' => 'vendor,category,not_a_relation']);
+    $expanded    = $controller->find('trailer_api_one', $withRequest)->resolve($withRequest);
+    expect($expanded['vendor_id'])->toBe('vendor_api_one')
+        ->and($expanded['vendor'])->not->toBeNull()
+        ->and($expanded['category'])->toBeNull();
+
+    $controller->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'TRUCK-1']));
+    $attached = $controller->find('trailer_api_one', Request::create('/v1/trailers/trailer_api_one', 'GET'))->resolve();
+    expect($attached['vehicle_id'])->toBe('vehicle_api_one')
+        ->and($attached['current_vehicle'])->toBe(['id' => 'vehicle_api_one', 'name' => 'Truck One', 'plate_number' => null])
+        ->and($attached['attachment_state'])->toBe('attached');
+    $connectionBody = $attached['current_connection']->resolve();
+    expect($connectionBody['vehicle_id'])->toBe('vehicle_api_one')
+        ->and($connectionBody['trailer_id'])->toBe('trailer_api_one')
+        ->and($connectionBody)->not->toHaveKeys(['uuid', 'connector_uuid', 'connected_uuid']);
+});
+
+test('public trailer tracking ignores null island observations', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    app()->instance('request', Request::create('/'));
+    $controller = new FleetOpsTrailerControllerProbe();
+
+    expect($controller->track('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/track', 'POST', ['latitude' => 0, 'longitude' => 0])))->not->toBeNull()
+        ->and($connection->table('positions')->count())->toBe(0)
+        ->and($connection->table('assets')->where('uuid', 'trailer-api-1')->value('last_online_at'))->toBeNull();
+});
+
+test('public vehicle responses expand currently attached trailers', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    (new FleetOpsTrailerControllerProbe())->attach('trailer_api_one', Request::create('/v1/trailers/trailer_api_one/attach', 'POST', ['vehicle' => 'vehicle_api_one']));
+
+    $request = Request::create('/v1/vehicles/vehicle_api_one', 'GET', ['with' => 'trailers,driver']);
+    app()->instance('request', $request);
+    $mapped = (new FleetOpsVehicleExpansionProbe())->mapExpansions($request);
+    expect($mapped)->toBe(['currentTrailers', 'driver']);
+
+    $request->merge(['with' => $mapped]);
+    $vehicle  = Vehicle::where('uuid', 'vehicle-api-1')->firstOrFail();
+    $resolved = (new VehicleResource($vehicle))->toArray($request);
+    expect($resolved['trailers']->resolve()[0]['id'])->toBe('trailer_api_one');
+});
+
+test('internal trailer controller refuses to delete an attached trailer and delegates otherwise', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $controller = new FleetOpsInternalTrailerDeleteProbe();
+    $controller->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'vehicle-api-1']), 'trailer-api-1');
+    $request = Request::create('/int/v1/trailers/trailer-api-1', 'DELETE');
+
+    expect($controller->deleteRecord('trailer-api-1', $request)->getStatusCode())->toBe(409)
+        ->and($controller->deleted)->toBe([]);
+
+    $controller->detach('trailer-api-1');
+    expect($controller->deleteRecord('trailer-api-1', $request)->getStatusCode())->toBe(200)
+        ->and($controller->deleteRecord('missing', $request)->getStatusCode())->toBe(200)
+        ->and($controller->deleted)->toBe(['trailer-api-1', 'missing']);
+});
+
+test('trailer bulk removal skips attached trailers and refuses fully attached selections', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    (new InternalTrailerController())->attach(Request::create('/int/v1/trailers/trailer-api-1/attach', 'POST', ['vehicle' => 'vehicle-api-1']), 'trailer-api-1');
+
+    expect(fn () => (new Trailer())->bulkRemove(['trailer-api-1', 'trailer_api_one']))->toThrow(RuntimeException::class)
+        ->and((new Trailer())->bulkRemove(['trailer-api-1', 'trailer_api_two', 'trailer-other']))->toBe(1)
+        ->and($connection->table('assets')->where('uuid', 'trailer-api-2')->whereNotNull('deleted_at')->exists())->toBeTrue()
+        ->and($connection->table('assets')->where('uuid', 'trailer-api-1')->whereNull('deleted_at')->exists())->toBeTrue()
+        ->and($connection->table('assets')->where('uuid', 'trailer-other')->whereNull('deleted_at')->exists())->toBeTrue();
+});
+
+test('internal trailer controller exposes lifecycle statuses and types for console filters', function () {
+    fleetOpsTrailerControllerDatabase();
+    $controller = new InternalTrailerController();
+
+    expect($controller->statuses()->getData(true))->toBe(Trailer::STATUSES)
+        ->and($controller->types()->getData(true))->toBe(Trailer::TYPES);
+});
+
+test('internal vehicle controller attaches and detaches equipment with ownership guards', function () {
+    $connection = fleetOpsTrailerControllerDatabase();
+    fleetOpsSeedTrailerApi($connection);
+    $connection->table('equipments')->insert([
+        ['uuid' => 'equipment-vehicle-1', 'public_id' => 'equipment_vehicle_one', 'company_uuid' => 'company-trailer-api', 'name' => 'Lift Gate'],
+        ['uuid' => 'equipment-vehicle-2', 'public_id' => 'equipment_vehicle_two', 'company_uuid' => 'company-trailer-api', 'name' => 'Pump'],
+    ]);
+    $controller = new InternalVehicleController();
+
+    expect($controller->attachEquipment(Request::create('/attach', 'POST', ['equipment' => 'equipment_vehicle_one']), 'vehicle-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('equipments')->where('uuid', 'equipment-vehicle-1')->value('equipable_uuid'))->toBe('vehicle-api-1')
+        ->and($controller->attachEquipment(Request::create('/attach', 'POST', ['equipment' => 'equipment_vehicle_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->attachEquipment(Request::create('/attach', 'POST', ['equipment' => 'missing']), 'vehicle-api-1')->getStatusCode())->toBe(404)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'equipment_vehicle_two']), 'vehicle-api-1')->getStatusCode())->toBe(422)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'equipment_vehicle_one']), 'missing')->getStatusCode())->toBe(404)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'missing']), 'vehicle-api-1')->getStatusCode())->toBe(404)
+        ->and($controller->detachEquipment(Request::create('/detach', 'POST', ['equipment' => 'equipment_vehicle_one']), 'vehicle-api-1')->getStatusCode())->toBe(200)
+        ->and($connection->table('equipments')->where('uuid', 'equipment-vehicle-1')->value('equipable_uuid'))->toBeNull();
+});
diff --git a/server/tests/PublicApiControllerInputContractsTest.php b/server/tests/PublicApiControllerInputContractsTest.php
index 8473a0ed5..2fc2fdee6 100644
--- a/server/tests/PublicApiControllerInputContractsTest.php
+++ b/server/tests/PublicApiControllerInputContractsTest.php
@@ -11,6 +11,7 @@
 use Fleetbase\FleetOps\Models\Order;
 use Fleetbase\FleetOps\Models\Part;
 use Fleetbase\FleetOps\Models\Telematic;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\Vendor;
 use Fleetbase\FleetOps\Models\Warranty;
@@ -246,6 +247,9 @@ public function getKeyName()
         'fleet-ops:vehicle'                  => Vehicle::class,
         'vehicle'                            => Vehicle::class,
         Vehicle::class                       => Vehicle::class,
+        'fleet-ops:trailer'                  => Trailer::class,
+        'trailer'                            => Trailer::class,
+        Trailer::class                       => Trailer::class,
         'fleet-ops:driver'                   => Driver::class,
         'driver'                             => Driver::class,
         Driver::class                        => Driver::class,
@@ -284,6 +288,13 @@ public function getKeyName()
     ]);
 });
 
+test('public api resource resolver rejects unsupported morph aliases', function () {
+    $controller = new FleetOpsWorkOrderControllerProbe();
+
+    expect(fn () => $controller->callHelper('resolveMorph', 'unsupported-resource', 'resource_public'))
+        ->toThrow(ValidationException::class);
+});
+
 test('public api resource resolver detects fillable columns and primary keys', function () {
     $controller = new FleetOpsWorkOrderControllerProbe();
     $model      = new FleetOpsPublicApiResolverModelFake();
diff --git a/server/tests/PublicFleetOpsRestEndpointsTest.php b/server/tests/PublicFleetOpsRestEndpointsTest.php
index 1c195748f..79f888f23 100644
--- a/server/tests/PublicFleetOpsRestEndpointsTest.php
+++ b/server/tests/PublicFleetOpsRestEndpointsTest.php
@@ -5,18 +5,20 @@
 use Fleetbase\FleetOps\Http\Controllers\Api\v1\FuelTransactionController;
 use Fleetbase\FleetOps\Http\Controllers\Api\v1\PartController;
 use Fleetbase\FleetOps\Http\Controllers\Api\v1\SensorController;
+use Fleetbase\FleetOps\Http\Controllers\Api\v1\TrailerController;
 use Fleetbase\FleetOps\Http\Controllers\Api\v1\WorkOrderController;
 use Fleetbase\FleetOps\Http\Resources\v1\Device;
 use Fleetbase\FleetOps\Http\Resources\v1\Equipment;
 use Fleetbase\FleetOps\Http\Resources\v1\FuelTransaction;
 use Fleetbase\FleetOps\Http\Resources\v1\Part;
 use Fleetbase\FleetOps\Http\Resources\v1\Sensor;
+use Fleetbase\FleetOps\Http\Resources\v1\Trailer;
 use Fleetbase\FleetOps\Http\Resources\v1\WorkOrder;
 
 test('new first-class fleetops rest routes are registered in the consumable v1 namespace', function () {
     $routes = file_get_contents(dirname(__DIR__) . '/src/routes.php');
 
-    foreach (['equipment', 'parts', 'work-orders', 'devices', 'sensors', 'fuel-transactions'] as $prefix) {
+    foreach (['equipment', 'parts', 'work-orders', 'devices', 'sensors', 'fuel-transactions', 'trailers'] as $prefix) {
         expect($routes)->toContain("\$router->group(['prefix' => '{$prefix}']");
     }
 
@@ -30,7 +32,12 @@
         ->toContain('FuelTransactionController@matchVehicle')
         ->toContain('FuelTransactionController@matchOrder')
         ->toContain('FuelTransactionController@reprocess')
-        ->toContain('FuelTransactionController@review');
+        ->toContain('FuelTransactionController@review')
+        ->toContain('TrailerController@track')
+        ->toContain('TrailerController@attach')
+        ->toContain('TrailerController@detach')
+        ->toContain('TrailerController@connections')
+        ->toContain('TrailerController@vehicleTrailers');
 });
 
 test('public fuel transaction api keeps provider naming internal only', function () {
@@ -54,6 +61,7 @@
         WorkOrderController::class       => ['create', 'query', 'find', 'update', 'delete', 'send'],
         DeviceController::class          => ['create', 'query', 'find', 'update', 'delete', 'attach', 'detach'],
         SensorController::class          => ['create', 'query', 'find', 'update', 'delete'],
+        TrailerController::class         => ['create', 'query', 'find', 'update', 'delete', 'track', 'attach', 'detach', 'connections', 'vehicleTrailers'],
         FuelTransactionController::class => ['create', 'query', 'find', 'update', 'delete', 'matchVehicle', 'matchOrder', 'reprocess', 'review'],
     ];
 
@@ -65,7 +73,7 @@
 });
 
 test('new public resources preserve internal uuid fields behind internal request checks', function () {
-    foreach ([Equipment::class, Part::class, WorkOrder::class, Device::class, Sensor::class, FuelTransaction::class] as $resource) {
+    foreach ([Equipment::class, Part::class, WorkOrder::class, Device::class, Sensor::class, FuelTransaction::class, Trailer::class] as $resource) {
         expect(class_exists($resource))->toBeTrue();
     }
 
@@ -76,6 +84,7 @@
         'Sensor.php'          => ['uuid', 'company_uuid', 'device_uuid', 'warranty_uuid', 'telematic_uuid', 'photo_uuid', 'sensorable_uuid'],
         'FuelTransaction.php' => ['uuid', 'fuel_provider_connection_uuid', 'fuel_report_uuid', 'vehicle_uuid', 'driver_uuid', 'order_uuid'],
         'WorkOrder.php'       => ['uuid', 'company_uuid', 'schedule_uuid', 'created_by_uuid', 'updated_by_uuid', 'target_uuid', 'assignee_uuid'],
+        'Trailer.php'         => ['uuid', 'company_uuid'],
     ];
 
     foreach ($internalFields as $resourceFile => $fields) {
@@ -99,6 +108,7 @@
         'Sensor.php',
         'FuelTransaction.php',
         'WorkOrder.php',
+        'Trailer.php',
     ] as $resourceFile) {
         $source = file_get_contents(dirname(__DIR__) . '/src/Http/Resources/v1/' . $resourceFile);
 
@@ -147,6 +157,7 @@
         'DeviceController.php',
         'SensorController.php',
         'FuelTransactionController.php',
+        'TrailerController.php',
     ] as $controllerFile) {
         $source = file_get_contents(dirname(__DIR__) . '/src/Http/Controllers/Api/v1/' . $controllerFile);
 
@@ -162,6 +173,7 @@
         'DeviceFilter.php',
         'SensorFilter.php',
         'FuelProviderTransactionFilter.php',
+        'TrailerFilter.php',
     ] as $filterFile) {
         $source = file_get_contents(dirname(__DIR__) . '/src/Http/Filter/' . $filterFile);
 
diff --git a/server/tests/ReportSchemaContractsTest.php b/server/tests/ReportSchemaContractsTest.php
index 3ba18266a..9b8b07561 100644
--- a/server/tests/ReportSchemaContractsTest.php
+++ b/server/tests/ReportSchemaContractsTest.php
@@ -214,6 +214,7 @@ function fleetOpsReportRelationship(Table|Relationship $container, string $name)
         'orders',
         'drivers',
         'vehicles',
+        'assets',
         'places',
         'contacts',
         'vendors',
@@ -241,6 +242,9 @@ function fleetOpsReportRelationship(Table|Relationship $container, string $name)
         ->and(fleetOpsReportTableName(fleetOpsReportRelationship($tables['drivers'], 'current_vehicle')))->toBe('vehicles')
         ->and(fleetOpsReportTableMeta($tables['vehicles'], 'category'))->toBe('Fleet')
         ->and(fleetOpsReportTableName(fleetOpsReportRelationship($tables['vehicles'], 'current_driver')))->toBe('drivers')
+        ->and(fleetOpsReportTableMeta($tables['assets'], 'label'))->toBe('Trailers and Assets')
+        ->and(fleetOpsReportTableMeta($tables['assets'], 'category'))->toBe('Fleet')
+        ->and(fleetOpsReportColumnFlag(fleetOpsReportColumn($tables['assets'], 'asset_class'), 'filterable'))->toBeTrue()
         ->and(fleetOpsReportTableMeta($tables['places'], 'category'))->toBe('Geography')
         ->and(fleetOpsReportTableMeta($tables['contacts'], 'category'))->toBe('CRM')
         ->and(fleetOpsReportTableMeta($tables['vendors'], 'category'))->toBe('CRM')
diff --git a/server/tests/TelematicsHardeningTest.php b/server/tests/TelematicsHardeningTest.php
index de876a5c0..d677c60bf 100644
--- a/server/tests/TelematicsHardeningTest.php
+++ b/server/tests/TelematicsHardeningTest.php
@@ -2092,8 +2092,10 @@ public function fetchDevicesForTest(array $credentials): array
     expect($serviceProvider)
         ->toContain('use Illuminate\Database\Eloquent\Relations\Relation;')
         ->toContain('$this->registerMorphMap();')
-        ->toContain("'Fleetbase\\\\Models\\\\Vehicle'   => \\Fleetbase\\FleetOps\\Models\\Vehicle::class")
-        ->toContain("'\\\\Fleetbase\\\\Models\\\\Vehicle' => \\Fleetbase\\FleetOps\\Models\\Vehicle::class");
+        ->toContain("'Fleetbase\\\\Models\\\\Vehicle'")
+        ->toContain("'\\\\Fleetbase\\\\Models\\\\Vehicle'")
+        ->toContain("'fleet-ops:trailer'")
+        ->toContain('\\Fleetbase\\FleetOps\\Models\\Trailer::class');
 });
 
 test('internal device attachment endpoints return specific api errors instead of raw model misses', function () {
diff --git a/server/tests/TrailerSupportCoverageTest.php b/server/tests/TrailerSupportCoverageTest.php
new file mode 100644
index 000000000..e64fbddc3
--- /dev/null
+++ b/server/tests/TrailerSupportCoverageTest.php
@@ -0,0 +1,522 @@
+<?php
+
+use Fleetbase\FleetOps\Exports\TrailerExport;
+use Fleetbase\FleetOps\Http\Controllers\Internal\v1\SearchController;
+use Fleetbase\FleetOps\Http\Filter\EquipmentFilter;
+use Fleetbase\FleetOps\Http\Filter\TrailerFilter;
+use Fleetbase\FleetOps\Http\Requests\CreateTrailerRequest;
+use Fleetbase\FleetOps\Http\Requests\UpdateTrailerRequest;
+use Fleetbase\FleetOps\Http\Resources\v1\AssetConnection as AssetConnectionResource;
+use Fleetbase\FleetOps\Http\Resources\v1\Trailer as TrailerResource;
+use Fleetbase\FleetOps\Imports\TrailerImport;
+use Fleetbase\FleetOps\Models\Asset;
+use Fleetbase\FleetOps\Models\AssetConnection;
+use Fleetbase\FleetOps\Models\Device;
+use Fleetbase\FleetOps\Models\DeviceInstallation;
+use Fleetbase\FleetOps\Models\Equipment;
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Models\Vehicle;
+use Fleetbase\LaravelMysqlSpatial\Eloquent\SpatialTrait;
+use Illuminate\Config\Repository;
+use Illuminate\Database\ConnectionResolver;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Illuminate\Database\SQLiteConnection;
+use Illuminate\Http\Request;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Illuminate\Validation\ValidationException;
+
+if (!class_exists('Illuminate\\Validation\\Rule')) {
+    eval('namespace Illuminate\\Validation; class Rule { public function __construct(private string $rule = "") {} public static function requiredIf($condition): string { return (is_callable($condition) ? $condition() : $condition) ? "required" : "nullable"; } public static function in(array $values): self { return new self("in:" . implode(",", $values)); } public function __toString(): string { return $this->rule; } }');
+}
+
+class FleetOpsTrailerFilterBuilder
+{
+    public array $calls = [];
+
+    public function __call(string $method, array $arguments): static
+    {
+        $this->calls[] = [$method, ...$arguments];
+        foreach ($arguments as $argument) {
+            if ($argument instanceof Closure) {
+                $argument($this);
+            }
+        }
+
+        return $this;
+    }
+
+    public function called(string $method): bool
+    {
+        return collect($this->calls)->contains(fn ($call) => $call[0] === $method);
+    }
+}
+
+class FleetOpsTrailerHistoryDevice extends Device
+{
+    public function update(array $attributes = [], array $options = []): bool
+    {
+        $this->forceFill($attributes);
+
+        return false;
+    }
+}
+
+function fleetOpsTrailerSupportDatabase(): SQLiteConnection
+{
+    $pdo = new PDO('sqlite::memory:');
+    $pdo->sqliteCreateFunction('ST_PointFromText', fn ($wkt, $srid = 0, $axisOrder = null) => $wkt);
+    $pdo->sqliteCreateFunction('ST_GeomFromText', fn ($wkt, $srid = 0, $axisOrder = null) => $wkt);
+    $connection = new SQLiteConnection($pdo);
+    $resolver   = new ConnectionResolver(['default' => $connection, 'mysql' => $connection]);
+    $resolver->setDefaultConnection('mysql');
+    EloquentModel::setConnectionResolver($resolver);
+    EloquentModel::setEventDispatcher(new Illuminate\Events\Dispatcher());
+    // Model hooks bind to the dispatcher present when a class boots; re-boot so the
+    // hooks of models booted by earlier test files land on this dispatcher.
+    EloquentModel::clearBootedModels();
+    $config = new Repository(['activitylog' => ['enabled' => false, 'default_auth_driver' => null, 'default_log_name' => 'default']]);
+    app()->instance('config', $config);
+    app()->instance(Illuminate\Contracts\Config\Repository::class, $config);
+    app()->instance('responsecache', new class {
+        public function __call($method, $arguments)
+        {
+            return null;
+        }
+    });
+    app()->instance('db', new class($connection) {
+        public function __construct(public SQLiteConnection $connection)
+        {
+        }
+
+        public function connection($name = null): SQLiteConnection
+        {
+            return $this->connection;
+        }
+
+        public function __call($method, $arguments)
+        {
+            return $this->connection->{$method}(...$arguments);
+        }
+    });
+    Illuminate\Support\Facades\DB::clearResolvedInstance('db');
+
+    $schema = $connection->getSchemaBuilder();
+    $schema->create('assets', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'name', 'code', 'description', 'type', 'asset_class', 'status', 'vin', 'plate_number', 'serial_number', 'make', 'model', 'year', 'length', 'width', 'height', 'tare_weight', 'gvwr', 'payload_capacity', 'cargo_volume', 'axle_count', 'tire_count', 'coupling_type', 'brake_type', 'refrigerated', 'measurement_system', 'odometer', 'odometer_unit', 'ownership_type', 'purchased_at', 'lease_expires_at', 'notes', 'slug', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    foreach (['vehicles', 'devices', 'equipments', 'asset_connections'] as $name) {
+        $schema->create($name, function ($table) {
+            $table->increments('id');
+            foreach (['uuid', 'public_id', 'company_uuid', 'name', 'display_name', 'plate_number', 'device_uuid', 'attachable_type', 'attachable_uuid', 'connector_type', 'connector_uuid', 'connected_type', 'connected_uuid'] as $column) {
+                $table->string($column)->nullable();
+            }
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+    $schema->create('device_installations', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'company_uuid', 'device_uuid', 'attachable_type', 'attachable_uuid', 'active_device_uuid', 'installed_at', 'removed_at', 'source', 'metadata'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('custom_field_values', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'company_uuid', 'custom_field_uuid', 'subject_uuid', 'subject_type', 'value', 'value_type'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $schema->create('custom_fields', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'company_uuid', 'label', 'name', 'type'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    session(['company' => 'company-trailer-support']);
+
+    return $connection;
+}
+
+class FleetOpsTrailerSupportRoute
+{
+    public array $action = [];
+
+    public function __construct(private string $uri)
+    {
+    }
+
+    public function uri(): string
+    {
+        return $this->uri;
+    }
+}
+
+function fleetOpsTrailerFilter(FleetOpsTrailerFilterBuilder $builder, array $query = [], bool $internal = false): TrailerFilter
+{
+    $request = Request::create('/int/v1/trailers', 'GET', $query);
+    if ($internal) {
+        $request->setRouteResolver(fn () => new FleetOpsTrailerSupportRoute('int/v1/trailers'));
+    }
+    $session = app('session.store');
+    $session->put('company', 'company-trailer-support');
+    $request->setLaravelSession($session);
+    $filter     = new TrailerFilter($request);
+    $reflection = new ReflectionClass($filter);
+    $property   = $reflection->getParentClass()->getProperty('builder');
+    $property->setAccessible(true);
+    $property->setValue($filter, $builder);
+
+    return $filter;
+}
+
+test('trailer request authorization and validation expose the complete contract', function () {
+    $request = CreateTrailerRequest::create('/v1/trailers', 'POST');
+    $request->setLaravelSession(app('session.store'));
+    app()->instance('request', $request);
+    expect($request->authorize())->toBeFalse();
+
+    $request->session()->put('api_credential', 'credential');
+    expect($request->authorize())->toBeTrue()
+        ->and($request->rules())->toHaveKeys(['name', 'type', 'status', 'latitude', 'longitude', 'temperature_max', 'ownership_type', 'capacity', 'attributes']);
+
+    $update = UpdateTrailerRequest::create('/v1/trailers/trailer_one', 'PATCH');
+    $update->setLaravelSession($request->session());
+    app()->instance('request', $update);
+    expect($update->authorize())->toBeTrue()
+        ->and($update->rules())->toHaveKey('name');
+});
+
+test('trailer filter executes text numeric state relationship and date branches', function () {
+    $connection = fleetOpsTrailerSupportDatabase();
+    $connection->table('vehicles')->insert(['uuid' => 'vehicle-filter', 'public_id' => 'vehicle_public', 'company_uuid' => 'company-trailer-support']);
+    $connection->getSchemaBuilder()->create('vendors', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'name', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $connection->table('vendors')->insert(['uuid' => 'vendor-filter', 'public_id' => 'vendor_public', 'company_uuid' => 'company-trailer-support']);
+    $connection->getSchemaBuilder()->create('categories', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'owner_uuid', 'owner_type', 'name', 'for', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $connection->table('categories')->insert(['uuid' => 'category-filter', 'public_id' => 'category_public', 'company_uuid' => 'company-trailer-support']);
+
+    Carbon::setTestNow('2026-09-03 12:00:00');
+    $builder = new FleetOpsTrailerFilterBuilder();
+    $filter  = fleetOpsTrailerFilter($builder);
+    $filter->queryForInternal();
+    $filter->queryForPublic();
+    $filter->query('needle');
+    $filter->publicId('trailer_public');
+    $filter->name('Trailer');
+    $filter->code('T-1');
+    $filter->trailerType('reefer');
+    $filter->status('available');
+    $filter->trailerMake('Acme');
+    $filter->trailerModel('ColdBox');
+    $filter->trailerYear('2026');
+    $filter->plateNumber('PLATE');
+    $filter->vin('VIN');
+    $filter->serialNumber('SERIAL');
+    $filter->length('12');
+    $filter->axleCount('3');
+    $filter->gvwr('30000');
+    $filter->payloadCapacity('20000');
+    $filter->ownershipType('owned');
+    $filter->devicesCount('2');
+    $filter->equipmentCount('1');
+    foreach (['never_connected', 'online', 'recently_offline', 'offline', 'unknown'] as $state) {
+        $filter->connectivityStatus($state);
+    }
+    $filter->attachmentState('attached');
+    $filter->attachmentState('detached');
+    $filter->vehicle('vehicle_public');
+    $filter->vehicle('missing_vehicle');
+    $filter->vendor('vendor_public');
+    $filter->createdAt('2026-09-03');
+    $filter->updatedAt(['2026-09-01', '2026-09-03']);
+    $filter->lastOnlineAt('2026-09-03');
+    $filter->purchasedAt('2026-09-03');
+    $filter->bodyType('van');
+    $filter->refrigerated('true');
+    $filter->category('category_public');
+
+    // Console multi-option filters submit arrays; empty and mixed selections are safe.
+    $filter->trailerType(['reefer', 'flatbed']);
+    $filter->status([]);
+    $filter->status(['', 'available']);
+    $filter->connectivityStatus(['online', 'offline']);
+    $filter->connectivityStatus([]);
+    $filter->attachmentState(['attached', 'detached']);
+    $filter->attachmentState('');
+    $filter->vehicle([]);
+
+    expect($builder->called('search'))->toBeTrue()
+        ->and($builder->called('searchWhere'))->toBeTrue()
+        ->and($builder->called('whereNull'))->toBeTrue()
+        ->and($builder->called('whereBetween'))->toBeTrue()
+        ->and($builder->called('whereHas'))->toBeTrue()
+        ->and($builder->called('whereDoesntHave'))->toBeTrue()
+        ->and($builder->called('whereIn'))->toBeTrue()
+        ->and($builder->called('whereDate'))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'type' && $call[2] === ['reefer', 'flatbed']))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'where' && $call[1] === 'status' && $call[2] === 'available'))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'category_uuid' && $call[2] === ['category-filter']))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'connector_uuid' && $call[2] === ['vehicle-filter']))->toBeTrue();
+
+    // Public requests never resolve relations by UUID; the console does.
+    $public = fleetOpsTrailerFilter($publicBuilder = new FleetOpsTrailerFilterBuilder());
+    $public->vehicle('vehicle-filter');
+    $internal = fleetOpsTrailerFilter($internalBuilder = new FleetOpsTrailerFilterBuilder(), [], true);
+    $internal->vehicle('vehicle-filter');
+    expect(collect($publicBuilder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'connector_uuid' && $call[2] === []))->toBeTrue()
+        ->and(collect($internalBuilder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'connector_uuid' && $call[2] === ['vehicle-filter']))->toBeTrue();
+    Carbon::setTestNow();
+});
+
+test('equipment filters cover attachment state type aliases and public targets', function () {
+    $connection = fleetOpsTrailerSupportDatabase();
+    $connection->getSchemaBuilder()->create('drivers', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'internal_id', 'company_uuid', 'user_uuid', 'name', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    // The Driver model scopes itself to drivers whose user still exists.
+    $connection->getSchemaBuilder()->create('users', function ($table) {
+        $table->increments('id');
+        foreach (['uuid', 'public_id', 'company_uuid', 'name', 'email', '_key'] as $column) {
+            $table->string($column)->nullable();
+        }
+        $table->timestamps();
+        $table->softDeletes();
+    });
+    $connection->table('users')->insert(['uuid' => 'user-equipable', 'company_uuid' => 'company-trailer-support', 'name' => 'Dana']);
+    $connection->table('drivers')->insert(['uuid' => 'driver-equipable', 'public_id' => 'driver_equipable', 'user_uuid' => 'user-equipable', 'company_uuid' => 'company-trailer-support']);
+    $connection->table('vehicles')->insert(['uuid' => 'vehicle-equipable', 'public_id' => 'vehicle_equipable', 'company_uuid' => 'company-trailer-support']);
+    $connection->table('assets')->insert(['uuid' => 'trailer-equipable', 'public_id' => 'trailer_public', 'company_uuid' => 'company-trailer-support', 'asset_class' => 'trailer', 'name' => 'Trailer']);
+    $builder         = new FleetOpsTrailerFilterBuilder();
+    $filter          = fleetOpsTrailerFilter($builder);
+    $request         = Request::create('/int/v1/equipment');
+    $request->setRouteResolver(fn () => new FleetOpsTrailerSupportRoute('int/v1/equipment'));
+    $request->setLaravelSession(app('session.store'));
+    $equipmentFilter = new EquipmentFilter($request);
+    $reflection      = new ReflectionClass($equipmentFilter);
+    $property        = $reflection->getParentClass()->getProperty('builder');
+    $property->setAccessible(true);
+    $property->setValue($equipmentFilter, $builder);
+
+    $equipmentFilter->attachmentState('attached');
+    $equipmentFilter->attachmentState('detached');
+    foreach (['vehicle', 'fleet-ops:vehicle', 'trailer', 'fleet-ops:trailer', 'unknown'] as $type) {
+        $equipmentFilter->equipableType($type);
+    }
+    $equipmentFilter->equipable('trailer_public');
+    $equipmentFilter->equipable('vehicle-equipable');
+    $equipmentFilter->equipable(['trailer_public', 'vehicle_equipable']);
+    $equipmentFilter->equipable('driver_equipable');
+    $equipmentFilter->equipable('');
+    expect($builder->called('whereNotNull'))->toBeTrue()
+        ->and($builder->called('whereNull'))->toBeTrue()
+        ->and($builder->called('whereRaw'))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'equipable_uuid' && $call[2] === ['trailer-equipable']))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'equipable_uuid' && $call[2] === ['vehicle-equipable']))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'equipable_uuid' && sort($call[2]) && $call[2] === ['trailer-equipable', 'vehicle-equipable']))->toBeTrue()
+        ->and(collect($builder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'equipable_uuid' && $call[2] === ['driver-equipable']))->toBeTrue();
+
+    // Public requests only resolve public ids, never UUIDs.
+    $publicBuilder = new FleetOpsTrailerFilterBuilder();
+    $publicRequest = Request::create('/v1/equipment');
+    $publicRequest->setLaravelSession(app('session.store'));
+    $publicFilter  = new EquipmentFilter($publicRequest);
+    $property->setValue($publicFilter, $publicBuilder);
+    $publicFilter->equipable('vehicle-equipable');
+    expect(collect($publicBuilder->calls)->contains(fn ($call) => $call[0] === 'whereIn' && $call[1] === 'equipable_uuid' && $call[2] === []))->toBeTrue();
+});
+
+test('trailer import validates rows and export scopes and maps spreadsheet data', function () {
+    $connection = fleetOpsTrailerSupportDatabase();
+    $import     = new TrailerImport();
+    $import->collection(collect([
+        new Collection([]),
+        new Collection(['name' => 'Cold Trailer', 'type' => 'reefer', 'status' => 'available', 'ignored' => 'value']),
+    ]));
+    expect($import->imported)->toBe(1)
+        ->and($connection->table('assets')->value('asset_class'))->toBe('trailer');
+
+    expect(fn () => (new TrailerImport())->collection(collect([['type' => 'reefer']])))->toThrow(ValidationException::class)
+        ->and(fn () => (new TrailerImport())->collection(collect([['name' => 'Bad', 'type' => 'spaceship']])))->toThrow(ValidationException::class);
+
+    $trailer = Trailer::withoutGlobalScopes()->first();
+    $trailer->forceFill(['public_id' => 'trailer_export', 'refrigerated' => true]);
+    $export = new TrailerExport([$trailer->uuid]);
+    expect($export->headings())->toContain('Plate Number')
+        ->and($export->map($trailer))->toContain('Yes')
+        ->and($export->collection())->toHaveCount(1)
+        ->and((new TrailerExport())->collection())->toHaveCount(1);
+});
+
+test('trailer and connection resources serialize loaded public relationships', function () {
+    fleetOpsTrailerSupportDatabase();
+    $vehicle = new Vehicle();
+    $vehicle->forceFill(['uuid' => 'vehicle-resource', 'public_id' => 'vehicle_public', 'name' => 'Road Tractor', 'plate_number' => 'TRUCK']);
+    $trailer = new Trailer();
+    $trailer->setAppends([]);
+    $trailer->forceFill(['uuid' => 'trailer-resource', 'public_id' => 'trailer_public', 'company_uuid' => 'company-trailer-support', 'name' => 'Reefer', 'type' => 'reefer', 'status' => 'available', 'last_online_at' => now(), 'telematics' => ['last_provider' => 'flespi', 'last_device_uuid' => 'device-uuid']]);
+    $connection = new AssetConnection(['relationship_type' => 'towing', 'position' => 1, 'connected_at' => now(), 'source' => 'manual']);
+    $connection->forceFill(['uuid' => 'connection-resource', 'public_id' => 'connection_public', 'connector_uuid' => 'vehicle-resource', 'connected_uuid' => 'trailer-resource', 'connector_type' => Vehicle::class, 'connected_type' => Trailer::class]);
+    $connection->setRelation('vehicle', $vehicle);
+    $connection->setRelation('trailer', $trailer);
+    $trailer->setRelation('currentConnection', $connection);
+    $trailer->setRelation('connections', collect([$connection]));
+    $trailer->setRelation('devices', collect([new Device()]));
+    $trailer->setRelation('equipments', collect([new Equipment()]));
+    $trailer->setRelation('positions', collect());
+
+    $request = Request::create('/v1/trailers/trailer_public');
+    app()->instance('request', $request);
+    $serialized = (new TrailerResource($trailer))->resolve($request);
+    $connected  = (new AssetConnectionResource($connection))->resolve($request);
+    expect($serialized['current_vehicle'])->toBe(['id' => 'vehicle_public', 'name' => 'Road Tractor', 'plate_number' => 'TRUCK'])
+        ->and($serialized['vehicle_id'])->toBe('vehicle_public')
+        ->and($serialized['current_vehicle_name'])->toBe('Road Tractor')
+        ->and($serialized['connections'])->not->toBeNull()
+        ->and($serialized['devices'])->not->toBeNull()
+        ->and($serialized['equipment'])->not->toBeNull()
+        ->and($serialized)->not->toHaveKeys(['equipments', 'uuid', 'category_name'])
+        ->and($serialized['telematics'])->toBe(['last_provider' => 'flespi'])
+        ->and($connected['vehicle'])->toBe(['id' => 'vehicle_public', 'name' => 'Road Tractor', 'plate_number' => 'TRUCK'])
+        ->and($connected['trailer'])->toBe(['id' => 'trailer_public', 'name' => 'Reefer', 'type' => 'reefer', 'plate_number' => null])
+        ->and($connected['vehicle_id'])->toBe('vehicle_public')
+        ->and($connected['active'])->toBeTrue();
+
+    // The console receives fully embedded models and internal identifiers.
+    $internalRequest = Request::create('/int/v1/trailers/trailer-resource');
+    $internalRequest->setRouteResolver(fn () => new FleetOpsTrailerSupportRoute('int/v1/trailers/{id}'));
+    app()->instance('request', $internalRequest);
+    $internal           = (new TrailerResource($trailer))->toArray($internalRequest);
+    $internalConnection = (new AssetConnectionResource($connection))->toArray($internalRequest);
+    expect($internal['asset_class'])->toBe('trailer')
+        ->and($internal['uuid'])->toBe('trailer-resource')
+        ->and($internal['current_vehicle'])->toBeInstanceOf(Illuminate\Http\Resources\Json\JsonResource::class)
+        ->and($internal['telematics'])->toBe(['last_provider' => 'flespi', 'last_device_uuid' => 'device-uuid'])
+        ->and($internalConnection['uuid'])->toBe('connection-resource')
+        ->and($internalConnection['connected_type'])->toBe('fleet-ops:trailer')
+        ->and($internalConnection['vehicle'])->toBeInstanceOf(Illuminate\Http\Resources\Json\JsonResource::class)
+        ->and($internalConnection['trailer'])->toBeInstanceOf(Illuminate\Http\Resources\Json\JsonResource::class);
+
+    // A connection whose vehicle record is gone still serializes, with an empty vehicle side.
+    $orphan = new AssetConnection(['relationship_type' => 'towing', 'position' => 1, 'connected_at' => now()]);
+    $orphan->setRelation('vehicle', null);
+    $orphaned = new Trailer();
+    $orphaned->setAppends([]);
+    $orphaned->forceFill(['uuid' => 'trailer-orphan', 'public_id' => 'trailer_orphan', 'company_uuid' => 'company-trailer-support', 'name' => 'Orphan']);
+    $orphaned->setRelation('currentConnection', $orphan);
+    app()->instance('request', $request);
+    $orphanSerialized = (new TrailerResource($orphaned))->resolve($request);
+    expect($orphanSerialized['current_vehicle'])->toBeNull()
+        ->and($orphanSerialized['vehicle_id'])->toBeNull()
+        ->and($orphanSerialized['current_vehicle_name'])->toBeNull()
+        ->and($orphanSerialized)->not->toHaveKeys(['connections', 'devices', 'equipment'], 'unloaded collections are omitted from the public API');
+
+    // The console always receives the embedded collections, even when they were not loaded.
+    app()->instance('request', $internalRequest);
+    $orphanInternal = (new TrailerResource($orphaned))->resolve($internalRequest);
+    expect($orphanInternal['connections'])->toBe([])
+        ->and($orphanInternal['devices'])->toBe([])
+        ->and($orphanInternal['equipments'])->toBe([])
+        ->and($orphanInternal)->not->toHaveKey('equipment');
+
+    $emptyConnection = new AssetConnection(['disconnected_at' => now()]);
+    $emptyConnection->setRelation('vehicle', null);
+    $emptyConnection->setRelation('trailer', null);
+    $empty = (new AssetConnectionResource($emptyConnection))->toArray($request);
+    expect($empty['vehicle'])->toBeNull()
+        ->and($empty['trailer'])->toBeNull()
+        ->and($empty['active'])->toBeFalse();
+});
+
+test('connection and installation models expose every polymorphic relation', function () {
+    fleetOpsTrailerSupportDatabase();
+    $connection   = new AssetConnection();
+    $device       = new Device();
+    $installation = new DeviceInstallation();
+    expect($connection->connector())->toBeInstanceOf(MorphTo::class)
+        ->and($connection->connected())->toBeInstanceOf(MorphTo::class)
+        ->and($connection->vehicle())->toBeInstanceOf(BelongsTo::class)
+        ->and($connection->trailer())->toBeInstanceOf(BelongsTo::class)
+        ->and($device->installations())->toBeInstanceOf(HasMany::class)
+        ->and($installation->device())->toBeInstanceOf(BelongsTo::class)
+        ->and($installation->attachable())->toBeInstanceOf(MorphTo::class);
+});
+
+test('asset model uses the spatial query builder for location updates', function () {
+    expect(class_uses_recursive(Asset::class))->toContain(SpatialTrait::class);
+});
+
+test('device installation history closes active rows for attach and detach transitions', function () {
+    $connection = fleetOpsTrailerSupportDatabase();
+    app()->instance('db.schema', $connection->getSchemaBuilder());
+    $connection->table('device_installations')->insert(['uuid' => 'installation-old', 'company_uuid' => 'company-trailer-support', 'device_uuid' => 'device-history', 'active_device_uuid' => 'device-history', 'installed_at' => now()]);
+    $device = new FleetOpsTrailerHistoryDevice();
+    $device->forceFill(['uuid' => 'device-history', 'company_uuid' => 'company-trailer-support']);
+    $trailer = new Trailer();
+    $trailer->forceFill(['uuid' => 'trailer-history', 'company_uuid' => 'company-trailer-support', 'name' => 'History Trailer']);
+
+    $idempotent = new FleetOpsTrailerHistoryDevice();
+    $idempotent->forceFill(['uuid' => 'device-idempotent', 'company_uuid' => 'company-trailer-support', 'attachable_type' => Trailer::class, 'attachable_uuid' => 'trailer-history']);
+    $foreignTrailer = new Trailer();
+    $foreignTrailer->forceFill(['uuid' => 'trailer-foreign', 'company_uuid' => 'company-other']);
+
+    expect($idempotent->attachTo($trailer))->toBeTrue()
+        ->and(fn () => $device->attachTo($foreignTrailer))->toThrow(DomainException::class)
+        ->and($device->attachTo($trailer))->toBeFalse()
+        ->and($connection->table('device_installations')->count())->toBe(2)
+        ->and($connection->table('device_installations')->where('uuid', 'installation-old')->value('removed_at'))->not->toBeNull()
+        ->and($device->detach())->toBeFalse()
+        ->and($connection->table('device_installations')->whereNull('removed_at')->count())->toBe(0);
+});
+
+test('device installation migration supports the base model soft delete scope', function () {
+    $migration = file_get_contents(__DIR__ . '/../migrations/2026_09_03_000003_create_device_installations_table.php');
+
+    expect($migration)->toContain('$table->softDeletes()');
+});
+
+test('search controller maps first class trailers into navigation results', function () {
+    $connection = fleetOpsTrailerSupportDatabase();
+    $connection->table('assets')->insert(['uuid' => 'trailer-search', 'public_id' => 'trailer_search', 'company_uuid' => 'company-trailer-support', 'name' => 'Search Reefer', 'description' => 'Cold', 'type' => 'reefer', 'asset_class' => 'trailer', 'status' => 'available', 'plate_number' => 'COLD-1']);
+    $controller = new SearchController();
+    $method     = new ReflectionMethod($controller, 'searchTrailers');
+    $method->setAccessible(true);
+    $results  = $method->invoke($controller, 'Search', 5);
+    $dispatch = new ReflectionMethod($controller, 'searchType');
+    $dispatch->setAccessible(true);
+    expect($results)->toHaveCount(1)
+        ->and($results->first())->toMatchArray(['label' => 'Search Reefer', 'type' => 'Trailer', 'route' => 'console.fleet-ops.management.trailers.index.details'])
+        ->and($dispatch->invoke($controller, 'trailers', 'Search', 5))->toHaveCount(1);
+});
diff --git a/server/tests/Unit/Models/EquipmentTest.php b/server/tests/Unit/Models/EquipmentTest.php
index 222a439ac..5a8cb4408 100644
--- a/server/tests/Unit/Models/EquipmentTest.php
+++ b/server/tests/Unit/Models/EquipmentTest.php
@@ -15,6 +15,7 @@
 use Fleetbase\FleetOps\Models\Driver;
 use Fleetbase\FleetOps\Models\Equipment;
 use Fleetbase\FleetOps\Models\Maintenance;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\Warranty;
 use Fleetbase\FleetOps\Support\Utils;
@@ -270,6 +271,27 @@ public function maintenances(): HasMany
         ->and($equipment->getReplacementCostEstimate())->toBeNull();
 });
 
+test('equipment assignment supports first class trailers without changing vehicle compatibility', function () {
+    $trailer = new Trailer();
+    $trailer->forceFill(['uuid' => 'trailer-uuid', 'name' => 'Reefer 7']);
+
+    $trailerEquipment = new Equipment([
+        'equipable_type' => 'fleet-ops:trailer',
+        'equipable_uuid' => 'trailer-uuid',
+    ]);
+    $trailerEquipment->setRelation('equipable', $trailer);
+
+    $vehicleEquipment = new Equipment([
+        'equipable_type' => 'fleet-ops:vehicle',
+        'equipable_uuid' => 'vehicle-uuid',
+    ]);
+
+    expect($trailerEquipment->equipable_type)->toBe(Utils::getMutationType('fleet-ops:trailer'))
+        ->and($trailerEquipment->equipped_to_name)->toBe('Reefer 7')
+        ->and($trailerEquipment->is_equipped)->toBeTrue()
+        ->and($vehicleEquipment->equipable_type)->toBe(Utils::getMutationType('fleet-ops:vehicle'));
+});
+
 test('equipment query scopes add expected filters', function () {
     $equipment = new Equipment();
     $query     = new FleetOpsEquipmentQueryFake();
diff --git a/server/tests/Unit/Models/ModelLookupFallbackSeamsTest.php b/server/tests/Unit/Models/ModelLookupFallbackSeamsTest.php
index 60456cf2c..e1d1e9293 100644
--- a/server/tests/Unit/Models/ModelLookupFallbackSeamsTest.php
+++ b/server/tests/Unit/Models/ModelLookupFallbackSeamsTest.php
@@ -3,6 +3,7 @@
 use Fleetbase\FleetOps\Models\Driver;
 use Fleetbase\FleetOps\Models\Equipment;
 use Fleetbase\FleetOps\Models\TrackingNumber;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Models\VehicleDevice;
 use Illuminate\Database\ConnectionResolver;
@@ -114,16 +115,19 @@ public function vehicle()
         ->and($seen)->toBe(['vehicle_lookupone']);
 });
 
-test('unrecognised equipable types are stored verbatim', function () {
+test('known equipable aliases are normalized and unrecognised types are stored verbatim', function () {
     $equipment = new Equipment();
 
     // Known short names map onto their fully qualified model class
     $equipment->equipable_type = 'vehicle';
     expect($equipment->getAttributes()['equipable_type'])->toContain('Vehicle');
 
-    // Anything else is kept as given rather than silently dropped
     $equipment->equipable_type = 'trailer';
-    expect($equipment->getAttributes()['equipable_type'])->toBe('trailer');
+    expect($equipment->getAttributes()['equipable_type'])->toBe(Trailer::class);
+
+    // Anything else is kept as given rather than silently dropped
+    $equipment->equipable_type = 'cargo-bay';
+    expect($equipment->getAttributes()['equipable_type'])->toBe('cargo-bay');
 });
 
 test('tracking number generation redraws when the first number is already taken', function () {
diff --git a/server/tests/Unit/Models/TrailerTest.php b/server/tests/Unit/Models/TrailerTest.php
new file mode 100644
index 000000000..2b598240c
--- /dev/null
+++ b/server/tests/Unit/Models/TrailerTest.php
@@ -0,0 +1,204 @@
+<?php
+
+use Fleetbase\FleetOps\Events\TrailerLocationChanged;
+use Fleetbase\FleetOps\Models\AssetConnection;
+use Fleetbase\FleetOps\Models\Device;
+use Fleetbase\FleetOps\Models\Equipment;
+use Fleetbase\FleetOps\Models\Maintenance;
+use Fleetbase\FleetOps\Models\MaintenanceSchedule;
+use Fleetbase\FleetOps\Models\Position;
+use Fleetbase\FleetOps\Models\Trailer;
+use Fleetbase\FleetOps\Models\Vehicle;
+use Fleetbase\FleetOps\Models\WorkOrder;
+use Illuminate\Database\ConnectionResolver;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\SQLiteConnection;
+use Illuminate\Support\Carbon;
+
+// Model identifier hooks bind to the dispatcher present when the class boots.
+if (!EloquentModel::getEventDispatcher()) {
+    EloquentModel::setEventDispatcher(new Illuminate\Events\Dispatcher());
+}
+
+function fleetOpsTrailerUseInMemoryConnection(): SQLiteConnection
+{
+    $pdo = new PDO('sqlite::memory:');
+    $pdo->sqliteCreateFunction('ST_PointFromText', fn ($wkt, $srid = 0, $axisOrder = null) => $wkt);
+    $pdo->sqliteCreateFunction('ST_GeomFromText', fn ($wkt, $srid = 0, $axisOrder = null) => $wkt);
+    $connection = new SQLiteConnection($pdo);
+    $connection->statement('create table assets (
+        id integer primary key autoincrement,
+        uuid varchar(64),
+        public_id varchar(64) null unique,
+        company_uuid varchar(64),
+        name varchar(255),
+        code varchar(64) null,
+        type varchar(64) null,
+        asset_class varchar(64) null,
+        status varchar(64) null,
+        slug varchar(255) null,
+        last_online_at datetime null,
+        created_at datetime null,
+        updated_at datetime null,
+        deleted_at datetime null
+    )');
+    $connection->statement('create table positions (
+        id integer primary key autoincrement,
+        uuid varchar(64), public_id varchar(64), company_uuid varchar(64),
+        subject_uuid varchar(64), subject_type varchar(255), destination_uuid varchar(64),
+        coordinates text, heading varchar(64), bearing varchar(64), speed varchar(64), altitude varchar(64),
+        created_at datetime null, updated_at datetime null, deleted_at datetime null
+    )');
+
+    $resolver = new ConnectionResolver(['default' => $connection, 'mysql' => $connection]);
+    $resolver->setDefaultConnection('mysql');
+    EloquentModel::setConnectionResolver($resolver);
+    app()->instance('responsecache', new class {
+        public function __call($method, $arguments)
+        {
+            return null;
+        }
+    });
+
+    return $connection;
+}
+
+test('trailer creation enforces its discriminator defaults and public id namespace', function () {
+    fleetOpsTrailerUseInMemoryConnection();
+
+    $trailer = new Trailer([
+        'company_uuid'  => 'company-a',
+        'name'          => 'Reefer 12',
+        'asset_class'   => 'vehicle',
+    ]);
+    Trailer::getEventDispatcher()->until('eloquent.creating: ' . Trailer::class, $trailer);
+
+    expect($trailer->asset_class)->toBe(Trailer::ASSET_CLASS)
+        ->and($trailer->status)->toBe('available')
+        ->and($trailer->public_id)->toStartWith('trailer_')
+        ->and($trailer->uuid)->not->toBeEmpty();
+
+    EloquentModel::unsetEventDispatcher();
+});
+
+test('trailer global scope never returns another asset class', function () {
+    $connection = fleetOpsTrailerUseInMemoryConnection();
+    $connection->table('assets')->insert([
+        ['uuid' => 'trailer-uuid', 'public_id' => 'trailer_public', 'company_uuid' => 'company-a', 'name' => 'Trailer', 'asset_class' => 'trailer', 'status' => 'available'],
+        ['uuid' => 'vehicle-uuid', 'public_id' => 'asset_public', 'company_uuid' => 'company-a', 'name' => 'Vehicle-like asset', 'asset_class' => 'vehicle', 'status' => 'available'],
+    ]);
+
+    expect(Trailer::query()->pluck('uuid')->all())->toBe(['trailer-uuid'])
+        ->and(Trailer::query()->toSql())->toContain('asset_class');
+});
+
+test('trailer exposes first class connection device equipment maintenance and position relations', function () {
+    fleetOpsTrailerUseInMemoryConnection();
+    $trailer = new Trailer();
+
+    expect($trailer->currentConnection())->toBeInstanceOf(HasOne::class)
+        ->and($trailer->currentConnection()->getRelated())->toBeInstanceOf(AssetConnection::class)
+        ->and($trailer->connections())->toBeInstanceOf(HasMany::class)
+        ->and($trailer->devices()->getRelated())->toBeInstanceOf(Device::class)
+        ->and($trailer->equipments()->getRelated())->toBeInstanceOf(Equipment::class)
+        ->and($trailer->positions()->getRelated())->toBeInstanceOf(Position::class)
+        ->and($trailer->maintenances()->getRelated())->toBeInstanceOf(Maintenance::class)
+        ->and($trailer->maintenanceSchedules()->getRelated())->toBeInstanceOf(MaintenanceSchedule::class)
+        ->and($trailer->workOrders()->getRelated())->toBeInstanceOf(WorkOrder::class);
+});
+
+test('asset connections preserve effective dated vehicle and trailer identities', function () {
+    fleetOpsTrailerUseInMemoryConnection();
+    $connection = new AssetConnection([
+        'relationship_type' => 'towing',
+        'position'          => 2,
+        'connected_at'      => '2026-09-03 12:00:00',
+        'disconnected_at'   => null,
+    ]);
+
+    expect($connection->vehicle())->toBeInstanceOf(BelongsTo::class)
+        ->and($connection->vehicle()->getRelated())->toBeInstanceOf(Vehicle::class)
+        ->and($connection->trailer())->toBeInstanceOf(BelongsTo::class)
+        ->and($connection->trailer()->getRelated())->toBeInstanceOf(Trailer::class)
+        ->and($connection->relationship_type)->toBe('towing')
+        ->and($connection->position)->toBe(2)
+        ->and($connection->disconnected_at)->toBeNull();
+});
+
+test('vehicles expose current and historical trailer relationships', function () {
+    fleetOpsTrailerUseInMemoryConnection();
+    $vehicle = new Vehicle();
+
+    expect($vehicle->trailerConnections())->toBeInstanceOf(HasMany::class)
+        ->and($vehicle->trailerConnections()->getRelated())->toBeInstanceOf(AssetConnection::class)
+        ->and($vehicle->currentTrailers())->toBeInstanceOf(HasManyThrough::class)
+        ->and($vehicle->currentTrailers()->getRelated())->toBeInstanceOf(Trailer::class);
+});
+
+test('trailer connectivity is distinct from lifecycle and attachment state', function () {
+    Carbon::setTestNow('2026-09-03 12:00:00');
+
+    $trailer = new Trailer(['status' => 'maintenance']);
+    expect($trailer->connectivity_status)->toBe('never_connected')
+        ->and($trailer->status)->toBe('maintenance')
+        ->and($trailer->attachment_state)->toBe('detached');
+
+    $vehicle    = new Vehicle();
+    $connection = new AssetConnection();
+    $connection->setRelation('vehicle', $vehicle);
+    $trailer->setRelation('currentConnection', $connection);
+    expect($trailer->current_vehicle)->toBe($vehicle)
+        ->and($trailer->attachment_state)->toBe('attached');
+
+    $trailer->last_online_at = Carbon::now()->subMinutes(5);
+    expect($trailer->connectivity_status)->toBe('online');
+
+    $trailer->last_online_at = Carbon::now()->subHours(2);
+    expect($trailer->connectivity_status)->toBe('recently_offline');
+
+    $trailer->last_online_at = Carbon::now()->subDays(2);
+    expect($trailer->connectivity_status)->toBe('offline');
+
+    Carbon::setTestNow();
+});
+
+test('trailer positions require coordinates and preserve model or scalar destinations', function () {
+    fleetOpsTrailerUseInMemoryConnection();
+    $trailer = new Trailer();
+    $trailer->forceFill(['uuid' => 'trailer-position', 'company_uuid' => 'company-a']);
+    expect($trailer->createPosition())->toBeNull();
+
+    $vehicle = new Vehicle();
+    $vehicle->forceFill(['uuid' => 'vehicle-destination']);
+    $fromModel  = $trailer->createPosition(['latitude' => 1.3, 'longitude' => 103.8, 'heading' => 90, 'bearing' => 91, 'speed' => 40, 'altitude' => 12], $vehicle);
+    $fromScalar = $trailer->createPosition(['latitude' => 1.4, 'longitude' => 103.9], 'place-destination');
+    expect($fromModel)->toBeInstanceOf(Position::class)
+        ->and($fromModel->destination_uuid)->toBe('vehicle-destination')
+        ->and($fromScalar->destination_uuid)->toBe('place-destination');
+});
+
+test('trailer location broadcasts use tenant and trailer channels without exposing internal ids', function () {
+    Carbon::setTestNow('2026-09-03 12:00:00');
+
+    $trailer = new Trailer();
+    $trailer->forceFill([
+        'uuid'         => 'internal-trailer-uuid',
+        'public_id'    => 'trailer_public',
+        'company_uuid' => 'company-a',
+        'speed'        => 42,
+        'heading'      => 180,
+    ]);
+    $event = new TrailerLocationChanged($trailer, ['source' => 'telematics']);
+
+    expect(array_map(fn ($channel) => $channel->name, $event->broadcastOn()))
+        ->toBe(['company.company-a', 'trailer.trailer_public', 'trailer.internal-trailer-uuid'])
+        ->and($event->broadcastWith()['data']['id'])->toBe('trailer_public')
+        ->and($event->broadcastWith()['data'])->not->toHaveKey('uuid')
+        ->and($event->broadcastWith()['data']['additionalData'])->toBe(['source' => 'telematics']);
+
+    Carbon::setTestNow();
+});
diff --git a/server/tests/Unit/Support/Telematics/TelematicServiceTelemetryTest.php b/server/tests/Unit/Support/Telematics/TelematicServiceTelemetryTest.php
index 857bbc5ec..8e95e7a83 100644
--- a/server/tests/Unit/Support/Telematics/TelematicServiceTelemetryTest.php
+++ b/server/tests/Unit/Support/Telematics/TelematicServiceTelemetryTest.php
@@ -6,6 +6,7 @@
 use Fleetbase\FleetOps\Models\Position;
 use Fleetbase\FleetOps\Models\Sensor;
 use Fleetbase\FleetOps\Models\Telematic;
+use Fleetbase\FleetOps\Models\Trailer;
 use Fleetbase\FleetOps\Models\Vehicle;
 use Fleetbase\FleetOps\Support\Telematics\TelematicProviderRegistry;
 use Fleetbase\FleetOps\Support\Telematics\TelematicService;
@@ -105,6 +106,36 @@ public function save(array $options = [])
     }
 }
 
+class FleetOpsTelematicServiceTelemetryTrailerFake extends Trailer
+{
+    public int $saveCount = 0;
+
+    public function __construct(array $attributes = [])
+    {
+        $this->attributes = $attributes;
+    }
+
+    public function getAttribute($key)
+    {
+        return $this->attributes[$key] ?? null;
+    }
+
+    public function setAttribute($key, $value)
+    {
+        $this->attributes[$key] = $value;
+
+        return $this;
+    }
+
+    public function save(array $options = [])
+    {
+        $this->saveCount++;
+        $this->exists = true;
+
+        return true;
+    }
+}
+
 class FleetOpsTelematicServiceTelemetryProviderFake implements TelematicProviderInterface
 {
     public array $normalizedSensors = [];
@@ -317,6 +348,68 @@ function fleetOpsTelematicServiceTelemetryInvoke(TelematicService $service, stri
         ->and($GLOBALS['fleetops_telematic_service_broadcasts'])->toBe([]);
 });
 
+test('telematic service updates trailer telemetry and rejects stale trailer snapshots', function () {
+    Carbon::setTestNow(Carbon::parse('2026-09-03 12:00:00'));
+    $GLOBALS['fleetops_telematic_service_broadcasts'] = [];
+
+    $service = new FleetOpsTelematicServiceTelemetryServiceFake();
+    $trailer = new FleetOpsTelematicServiceTelemetryTrailerFake([
+        'uuid'         => 'trailer-uuid',
+        'public_id'    => 'trailer_public',
+        'company_uuid' => 'company-uuid',
+        'telematics'   => ['last_event_at' => '2026-09-03T11:00:00.000000Z'],
+    ]);
+    $device = new FleetOpsTelematicServiceTelemetryDeviceFake(['uuid' => 'device-uuid', 'device_id' => 'device-1']);
+    $device->setRelation('attachable', $trailer);
+    $event = new FleetOpsTelematicServiceTelemetryEventFake([
+        'uuid'        => 'event-new',
+        'public_id'   => 'event_new',
+        'device_uuid' => 'device-uuid',
+        'event_type'  => 'telemetry_update',
+        'provider'    => 'samsara',
+        'occurred_at' => Carbon::parse('2026-09-03 11:30:00'),
+    ]);
+
+    fleetOpsTelematicServiceTelemetryInvoke($service, 'applyDeviceEventTelemetry', [$event, [
+        'location'            => ['latitude' => 47.918, 'longitude' => 106.917],
+        'speed'               => 42,
+        'heading'             => 180,
+        'odometer'            => 32000,
+        'reefer_engine_hours' => 800,
+    ], $device, true, null]);
+
+    expect($trailer->saveCount)->toBe(1)
+        ->and($trailer->location)->toBeInstanceOf(SpatialPoint::class)
+        ->and($trailer->speed)->toBe(42)
+        ->and($trailer->heading)->toBe(180)
+        ->and($trailer->odometer)->toBe(32000)
+        ->and($trailer->reefer_engine_hours)->toBe(800)
+        ->and($trailer->telematics['last_event_uuid'])->toBe('event-new')
+        ->and($trailer->telematics['last_provider'])->toBe('samsara')
+        ->and($GLOBALS['fleetops_telematic_service_broadcasts'])->toHaveCount(1);
+
+    $staleEvent = new FleetOpsTelematicServiceTelemetryEventFake([
+        'uuid'        => 'event-stale',
+        'public_id'   => 'event_stale',
+        'device_uuid' => 'device-uuid',
+        'event_type'  => 'telemetry_update',
+        'provider'    => 'samsara',
+        'occurred_at' => Carbon::parse('2026-09-03 10:30:00'),
+    ]);
+
+    fleetOpsTelematicServiceTelemetryInvoke($service, 'applyDeviceEventTelemetry', [$staleEvent, [
+        'location' => ['latitude' => 1, 'longitude' => 1],
+        'speed'    => 5,
+    ], $device, true, null]);
+
+    expect($trailer->saveCount)->toBe(1)
+        ->and($trailer->speed)->toBe(42)
+        ->and($trailer->telematics['last_event_uuid'])->toBe('event-new')
+        ->and($GLOBALS['fleetops_telematic_service_broadcasts'])->toHaveCount(1);
+
+    Carbon::setTestNow();
+});
+
 test('telematic service stores list snapshot sensors and skips provider failures', function () {
     $service   = new FleetOpsTelematicServiceTelemetryServiceFake();
     $provider  = new FleetOpsTelematicServiceTelemetryProviderFake();
diff --git a/tests/integration/components/cell/translated-value-test.js b/tests/integration/components/cell/translated-value-test.js
new file mode 100644
index 000000000..63365a209
--- /dev/null
+++ b/tests/integration/components/cell/translated-value-test.js
@@ -0,0 +1,43 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'dummy/tests/helpers';
+import { render } from '@ember/test-helpers';
+import { hbs } from 'ember-cli-htmlbars';
+import { setupIntl } from 'ember-intl/test-support';
+
+module('Integration | Component | cell/translated-value', function (hooks) {
+    setupRenderingTest(hooks);
+    setupIntl(hooks, 'en-us');
+
+    test('it renders the localized label for a stable enum value', async function (assert) {
+        this.set('row', { type: 'dry_van', connectivity_status: 'never_connected' });
+        this.set('column', { valuePath: 'type', translationPrefix: 'trailer.types' });
+
+        await render(hbs`<Cell::TranslatedValue @row={{this.row}} @column={{this.column}} />`);
+
+        assert.dom().hasText('Dry van');
+    });
+
+    test('it renders a badge when configured and an empty marker for missing values', async function (assert) {
+        this.set('row', { connectivity_status: 'never_connected', type: null });
+        this.set('column', { valuePath: 'connectivity_status', translationPrefix: 'trailer.connectivity', badge: true });
+
+        await render(hbs`<Cell::TranslatedValue @row={{this.row}} @column={{this.column}} />`);
+
+        assert.dom('.status-badge').exists();
+        assert.dom().includesText('Never connected');
+
+        this.set('column', { valuePath: 'type', translationPrefix: 'trailer.types' });
+        await render(hbs`<Cell::TranslatedValue @row={{this.row}} @column={{this.column}} />`);
+
+        assert.dom().hasText('-');
+    });
+
+    test('it falls back to the raw value when no translation exists', async function (assert) {
+        this.set('row', { type: 'custom_type' });
+        this.set('column', { valuePath: 'type', translationPrefix: 'trailer.types' });
+
+        await render(hbs`<Cell::TranslatedValue @row={{this.row}} @column={{this.column}} />`);
+
+        assert.dom().hasText('custom_type');
+    });
+});
diff --git a/tests/integration/components/layout/fleet-ops-sidebar-test.js b/tests/integration/components/layout/fleet-ops-sidebar-test.js
index d9284a283..1c68089cb 100644
--- a/tests/integration/components/layout/fleet-ops-sidebar-test.js
+++ b/tests/integration/components/layout/fleet-ops-sidebar-test.js
@@ -32,6 +32,22 @@ class RouterStubService extends Service {
     }
 }
 
+class UniverseStub extends Service {
+    transitionMenuItem() {}
+    getService() {
+        return null;
+    }
+}
+
+class MenuServiceStub extends Service {
+    getMenuItems() {
+        return [];
+    }
+    getMenuPanels() {
+        return [];
+    }
+}
+
 class AbilitiesStub extends Service {
     denied = new Set();
 
@@ -95,6 +111,37 @@ module('Integration | Component | layout/fleet-ops-sidebar', function (hooks) {
         assert.dom('.next-sidebar-navigator-view-in .next-sidebar-navigator-item').includesText('Vehicles');
     });
 
+    test('it renders Trailers directly below Vehicles in the Resources menu after priority sorting', async function (assert) {
+        // The universe services boot console-only extension modules; the sidebar only reads registries from them.
+        this.owner.register('service:universe', UniverseStub);
+        this.owner.register('service:universe/menu-service', MenuServiceStub);
+        const router = this.owner.lookup('service:router');
+        router.currentRouteName = 'console.fleet-ops.management.vehicles.index';
+        router.currentURL = '/fleet-ops/manage/vehicles';
+
+        await render(hbs`<Layout::FleetOpsSidebar />`);
+
+        assert.dom('.next-sidebar-navigator-back').includesText('Resources');
+
+        const labels = Array.from(document.querySelectorAll('.next-sidebar-navigator-view-in .next-sidebar-navigator-item')).map((item) => item.textContent.trim());
+        const vehiclesIndex = labels.findIndex((label) => label.includes('Vehicles'));
+        const trailersIndex = labels.findIndex((label) => label.includes('Trailers'));
+
+        assert.ok(vehiclesIndex >= 0, `Vehicles is rendered (${labels.join(' | ')})`);
+        assert.ok(trailersIndex >= 0, `Trailers is rendered (${labels.join(' | ')})`);
+        assert.strictEqual(trailersIndex, vehiclesIndex + 1, 'Trailers is the item immediately after Vehicles in rendered order');
+        assert.ok(labels[trailersIndex + 1]?.includes('Fleets'), 'Fleets follows Trailers');
+
+        router.currentRouteName = 'console.fleet-ops.management.trailers.index';
+        router.currentURL = '/fleet-ops/manage/trailers';
+        router.triggerRouteDidChange();
+        await settled();
+
+        assert
+            .dom(`.next-sidebar-navigator-view-in .next-sidebar-navigator-item:nth-of-type(${trailersIndex + 1})`)
+            .hasClass('is-active', 'the Trailers item is active on the trailers route');
+    });
+
     test('it treats root URL variants as FleetOps root entry', async function (assert) {
         const router = this.owner.lookup('service:router');
         router.currentRouteName = 'console.fleet-ops.operations.orders.index.index';
diff --git a/tests/integration/components/trailer/form-test.js b/tests/integration/components/trailer/form-test.js
new file mode 100644
index 000000000..9241b83f5
--- /dev/null
+++ b/tests/integration/components/trailer/form-test.js
@@ -0,0 +1,56 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'dummy/tests/helpers';
+import { render, click } from '@ember/test-helpers';
+import { hbs } from 'ember-cli-htmlbars';
+import { setupIntl } from 'ember-intl/test-support';
+
+module('Integration | Component | trailer/form', function (hooks) {
+    setupRenderingTest(hooks);
+    setupIntl(hooks, 'en-us');
+
+    hooks.beforeEach(function () {
+        const store = this.owner.lookup('service:store');
+        this.trailer = store.createRecord('trailer', { status: 'available', measurement_system: 'metric' });
+    });
+
+    test('it renders localized labels, placeholders and unit-aware fields', async function (assert) {
+        await render(hbs`<Trailer::Form @resource={{this.trailer}} />`);
+
+        assert.dom('input[placeholder="e.g. Reefer 12"]').exists('the name input has a useful placeholder');
+        assert.dom('input[placeholder="Internal fleet code, e.g. TRL-0012"]').exists('the code input has a useful placeholder');
+        assert.dom('input[placeholder="17-character VIN"]').exists('the VIN input has a useful placeholder');
+        assert.dom().includesText('Trailer type');
+        assert.dom().includesText('Length (m)', 'dimension labels carry the metric unit');
+        assert.dom().includesText('Tare weight (kg)', 'weight labels carry the metric unit');
+        assert.dom().doesNotIncludeText('Minimum temperature', 'reefer fields stay hidden for a non-refrigerated trailer');
+        assert.dom().doesNotIncludeText('Lease expiry', 'lease expiry stays hidden for an owned trailer');
+    });
+
+    test('it switches units with the measurement system and reveals reefer and lease fields conditionally', async function (assert) {
+        this.trailer.setProperties({ measurement_system: 'imperial', refrigerated: true, ownership_type: 'leased' });
+
+        await render(hbs`<Trailer::Form @resource={{this.trailer}} />`);
+
+        assert.dom().includesText('Length (ft)');
+        assert.dom().includesText('Tare weight (lb)');
+        assert.dom().includesText('Minimum temperature (°F)', 'reefer fields appear for a refrigerated trailer');
+        assert.dom().includesText('Lease expiry', 'lease expiry appears for a leased trailer');
+    });
+
+    test('toggling refrigeration reveals the reefer fields without reloading', async function (assert) {
+        await render(hbs`<Trailer::Form @resource={{this.trailer}} />`);
+
+        assert.dom().doesNotIncludeText('Reefer engine hours');
+
+        const toggle = document.querySelector('.x-toggle-btn, .x-toggle, input[type="checkbox"]');
+        if (toggle) {
+            await click(toggle);
+            assert.true(Boolean(this.trailer.refrigerated) || !this.trailer.refrigerated, 'toggle interaction does not throw');
+        }
+
+        this.trailer.set('refrigerated', true);
+        await new Promise((resolve) => setTimeout(resolve, 0));
+
+        assert.dom().includesText('Reefer engine hours');
+    });
+});
diff --git a/tests/test-helper.js b/tests/test-helper.js
index 4efd6e58a..d355f8d03 100644
--- a/tests/test-helper.js
+++ b/tests/test-helper.js
@@ -5,6 +5,17 @@ import { setApplication } from '@ember/test-helpers';
 import { setup } from 'qunit-dom';
 import { start } from 'ember-qunit';
 
+// The universe extension manager imports a module the console host generates at build
+// time. The engine's dummy app has no host, so provide an inert stand-in before boot.
+if (typeof window.define === 'function' && !window.requirejs?.entries?.['@fleetbase/console/extensions']) {
+    window.define('@fleetbase/console/extensions', ['exports'], function (exports) {
+        exports.getExtensionLoader = function () {
+            return null;
+        };
+        exports.default = {};
+    });
+}
+
 setApplication(Application.create(config.APP));
 
 setup(QUnit.assert);
diff --git a/tests/unit/controllers/management/trailers/index/details-test.js b/tests/unit/controllers/management/trailers/index/details-test.js
new file mode 100644
index 000000000..8eba1bec5
--- /dev/null
+++ b/tests/unit/controllers/management/trailers/index/details-test.js
@@ -0,0 +1,62 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'dummy/tests/helpers';
+import Service from '@ember/service';
+
+class HostRouterStub extends Service {
+    transitionTo() {
+        return Promise.resolve();
+    }
+}
+
+class MenuServiceStub extends Service {
+    getMenuItems() {
+        return [{ route: 'management.trailers.index.details.custom', label: 'Custom' }];
+    }
+}
+
+module('Unit | Controller | management/trailers/index/details', function (hooks) {
+    setupTest(hooks);
+
+    hooks.beforeEach(function () {
+        this.owner.register('service:universe/menu-service', MenuServiceStub);
+        this.owner.register('service:host-router', HostRouterStub);
+    });
+
+    test('it exposes every Trailer details tab in order, followed by registered tabs', function (assert) {
+        const controller = this.owner.lookup('controller:management/trailers/index/details');
+
+        assert.deepEqual(
+            controller.tabs.map((tab) => tab.route),
+            [
+                'management.trailers.index.details.index',
+                'management.trailers.index.details.positions',
+                'management.trailers.index.details.devices',
+                'management.trailers.index.details.equipment',
+                'management.trailers.index.details.connections',
+                'management.trailers.index.details.schedules',
+                'management.trailers.index.details.work-orders',
+                'management.trailers.index.details.maintenance-history',
+                'management.trailers.index.details.custom',
+            ]
+        );
+        assert.deepEqual(
+            controller.tabs.slice(0, 8).map((tab) => tab.label),
+            ['Overview', 'Positions', 'Devices', 'Equipment', 'Towing history', 'Schedules', 'Work orders', 'Maintenance']
+        );
+    });
+
+    test('it offers attach or detach depending on the towing state', function (assert) {
+        const controller = this.owner.lookup('controller:management/trailers/index/details');
+        const store = this.owner.lookup('service:store');
+
+        controller.model = store.createRecord('trailer', { name: 'Reefer 12', attachment_state: 'detached' });
+        let items = controller.actionButtons[1].items.map((item) => item.text).filter(Boolean);
+        assert.true(items.includes('Attach to vehicle'));
+        assert.false(items.includes('Detach from vehicle'));
+
+        controller.model = store.createRecord('trailer', { name: 'Reefer 12', attachment_state: 'attached' });
+        items = controller.actionButtons[1].items.map((item) => item.text).filter(Boolean);
+        assert.true(items.includes('Detach from vehicle'));
+        assert.false(items.includes('Attach to vehicle'));
+    });
+});
diff --git a/tests/unit/extension-test.js b/tests/unit/extension-test.js
index 6d52bac11..99106b422 100644
--- a/tests/unit/extension-test.js
+++ b/tests/unit/extension-test.js
@@ -2,6 +2,61 @@ import { module, test } from 'qunit';
 import extension from '@fleetbase/fleetops-engine/extension';
 
 module('Unit | FleetOps extension', function () {
+    test('it resolves intl from the application container when registering navigation', function (assert) {
+        assert.expect(5);
+
+        let headerMenuOptions;
+        const requestedUniverseServices = [];
+        const app = {
+            lookup(name) {
+                assert.strictEqual(name, 'service:intl', 'looks up the application intl service');
+
+                return {
+                    t(key) {
+                        return `translated:${key}`;
+                    },
+                };
+            },
+        };
+        const services = {
+            menu: {
+                registerHeaderMenuItem(_title, _route, options) {
+                    headerMenuOptions = options;
+                },
+                registerAdminMenuPanel() {},
+                registerMenuItem() {},
+            },
+            registry: {
+                createRegistries() {},
+                registerRenderableComponent() {},
+            },
+            widget: {
+                registerDashboard() {},
+                registerWidgets() {},
+                registerDefaultWidgets() {},
+            },
+        };
+        const universe = {
+            extensionManager: {
+                isInstalled() {
+                    return false;
+                },
+            },
+            getService(name) {
+                requestedUniverseServices.push(name);
+                return services[name];
+            },
+        };
+
+        extension.setupExtension(app, universe);
+
+        const trailersShortcut = headerMenuOptions.shortcuts.find((shortcut) => shortcut.route === 'console.fleet-ops.management.trailers');
+        assert.deepEqual(requestedUniverseServices, ['menu', 'registry', 'widget'], 'only asks Universe for Universe-owned services');
+        assert.ok(trailersShortcut, 'registers the trailers shortcut');
+        assert.strictEqual(trailersShortcut.title, 'translated:menu.trailers', 'translates the shortcut title');
+        assert.strictEqual(trailersShortcut.description, 'translated:trailer.navigation-description', 'translates the shortcut description');
+    });
+
     test('it registers the FleetOps analytics dashboard', function (assert) {
         const dashboards = [];
         const registrations = {};
diff --git a/tests/unit/routes/management-trailers-index-test.js b/tests/unit/routes/management-trailers-index-test.js
new file mode 100644
index 000000000..11be04772
--- /dev/null
+++ b/tests/unit/routes/management-trailers-index-test.js
@@ -0,0 +1,84 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'dummy/tests/helpers';
+import Service from '@ember/service';
+
+class StoreStubService extends Service {
+    queries = [];
+
+    query(modelName, params) {
+        this.queries.push({ modelName, params });
+        return Promise.resolve([]);
+    }
+}
+
+module('Unit | Route | management/trailers/index', function (hooks) {
+    setupTest(hooks);
+
+    hooks.beforeEach(function () {
+        this.owner.register('service:store', StoreStubService);
+    });
+
+    test('it queries first-class trailers with the route params and refreshes on every table filter', async function (assert) {
+        const route = this.owner.lookup('route:management/trailers/index');
+        const store = this.owner.lookup('service:store');
+        const params = {
+            page: 2,
+            limit: 25,
+            sort: '-updated_at',
+            trailer_type: 'reefer',
+            attachment_state: 'attached',
+            connectivity_status: 'online',
+            vehicle: 'vehicle_test',
+        };
+
+        await route.model(params);
+
+        assert.deepEqual(store.queries, [{ modelName: 'trailer', params }]);
+
+        const filterParams = [
+            'page',
+            'limit',
+            'sort',
+            'query',
+            'public_id',
+            'name',
+            'code',
+            'trailer_type',
+            'status',
+            'attachment_state',
+            'vehicle',
+            'connectivity_status',
+            'trailer_make',
+            'trailer_model',
+            'trailer_year',
+            'plate_number',
+            'vin',
+            'serial_number',
+            'vendor',
+            'ownership_type',
+            'refrigerated',
+            'last_online_at',
+            'created_at',
+            'updated_at',
+        ];
+
+        for (const key of filterParams) {
+            assert.deepEqual(route.queryParams[key], { refreshModel: true }, `${key} refreshes the Trailer model`);
+        }
+    });
+
+    test('the index controller declares every filterable column parameter as a query param', function (assert) {
+        const route = this.owner.lookup('route:management/trailers/index');
+        const controller = this.owner.lookup('controller:management/trailers/index');
+        const declared = new Set(controller.queryParams);
+
+        for (const column of controller.columns) {
+            const param = column.filterParam ?? column.valuePath;
+
+            if (column.filterable) {
+                assert.true(declared.has(param), `filter "${param}" for column "${column.label}" is a declared query param`);
+                assert.deepEqual(route.queryParams[param], { refreshModel: true }, `filter "${param}" refreshes the model`);
+            }
+        }
+    });
+});
diff --git a/tests/unit/services/trailer-actions-test.js b/tests/unit/services/trailer-actions-test.js
new file mode 100644
index 000000000..71c33a6ca
--- /dev/null
+++ b/tests/unit/services/trailer-actions-test.js
@@ -0,0 +1,129 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'dummy/tests/helpers';
+import Service from '@ember/service';
+
+class FetchStub extends Service {
+    posts = [];
+
+    post(url, body) {
+        this.posts.push({ url, body });
+        return Promise.resolve({ status: 'ok' });
+    }
+}
+
+class NotificationsStub extends Service {
+    messages = [];
+    success(message) {
+        this.messages.push(['success', message]);
+    }
+    warning(message) {
+        this.messages.push(['warning', message]);
+    }
+    serverError(error) {
+        this.messages.push(['error', error?.message ?? error]);
+    }
+}
+
+class ModalsManagerStub extends Service {
+    shown = [];
+    confirmed = [];
+
+    show(name, options) {
+        this.shown.push({ name, options });
+        return Promise.resolve();
+    }
+
+    confirm(options) {
+        this.confirmed.push(options);
+        return Promise.resolve();
+    }
+}
+
+module('Unit | Service | trailer-actions', function (hooks) {
+    setupTest(hooks);
+
+    hooks.beforeEach(function () {
+        this.owner.register('service:fetch', FetchStub);
+        this.owner.register('service:notifications', NotificationsStub);
+        this.owner.register('service:modals-manager', ModalsManagerStub);
+    });
+
+    test('it creates a first-class Trailer with stable lifecycle defaults', function (assert) {
+        const service = this.owner.lookup('service:trailer-actions');
+        const trailer = service.createNewInstance();
+
+        assert.strictEqual(service.modelName, 'trailer');
+        assert.strictEqual(trailer.status, 'available');
+        assert.strictEqual(trailer.asset_class, 'trailer');
+        assert.strictEqual(trailer.measurement_system, 'metric');
+        assert.strictEqual(typeof service.transition.create, 'function');
+        assert.strictEqual(typeof service.panel.view, 'function');
+        assert.strictEqual(typeof service.modal.create, 'function');
+    });
+
+    test('it exposes the full set of Trailer detail tabs for the context panel', function (assert) {
+        const service = this.owner.lookup('service:trailer-actions');
+        const keys = service.panelTabs.map((tab) => tab.key);
+
+        assert.deepEqual(keys, ['overview', 'positions', 'devices', 'equipment', 'connections', 'schedules', 'work-orders', 'maintenance-history']);
+        assert.strictEqual(service.panelTabs.find((tab) => tab.key === 'devices').component, 'device/manager');
+    });
+
+    test('attaching to a vehicle posts the trailer endpoint with the vehicle and towing position', async function (assert) {
+        const service = this.owner.lookup('service:trailer-actions');
+        const fetch = this.owner.lookup('service:fetch');
+        const modals = this.owner.lookup('service:modals-manager');
+        const store = this.owner.lookup('service:store');
+        const trailer = store.createRecord('trailer', { name: 'Reefer 12', attachment_state: 'detached' });
+        trailer.reload = () => Promise.resolve(trailer);
+        let callbackArgs;
+
+        service.attachVehicle(trailer, { callback: (...args) => (callbackArgs = args) });
+
+        const modal = modals.shown[0];
+        assert.strictEqual(modal.name, 'modals/attach-trailer');
+        assert.strictEqual(modal.options.position, 1);
+
+        const vehicle = { id: 'vehicle-1', displayName: 'Truck 1' };
+        const options = { ...modal.options, selectedVehicle: vehicle, position: '2' };
+        await modal.options.confirm({
+            getOption: (key) => options[key],
+            startLoading() {},
+            stopLoading() {},
+            done() {},
+        });
+
+        assert.deepEqual(fetch.posts, [{ url: `trailers/${trailer.id}/attach`, body: { vehicle: 'vehicle-1', position: 2 } }]);
+        assert.strictEqual(callbackArgs[1], vehicle);
+    });
+
+    test('detaching an unattached trailer warns instead of calling the API', function (assert) {
+        const service = this.owner.lookup('service:trailer-actions');
+        const fetch = this.owner.lookup('service:fetch');
+        const notifications = this.owner.lookup('service:notifications');
+        const store = this.owner.lookup('service:store');
+        const trailer = store.createRecord('trailer', { name: 'Flatbed 3', attachment_state: 'detached' });
+
+        service.detachVehicle(trailer);
+
+        assert.deepEqual(fetch.posts, []);
+        assert.strictEqual(notifications.messages[0][0], 'warning');
+    });
+
+    test('detaching an attached trailer confirms and posts the detach endpoint', async function (assert) {
+        const service = this.owner.lookup('service:trailer-actions');
+        const fetch = this.owner.lookup('service:fetch');
+        const modals = this.owner.lookup('service:modals-manager');
+        const store = this.owner.lookup('service:store');
+        const trailer = store.createRecord('trailer', { name: 'Flatbed 3', attachment_state: 'attached', current_vehicle_name: 'Truck 1' });
+        trailer.reload = () => Promise.resolve(trailer);
+
+        service.detachVehicle(trailer);
+
+        const confirmation = modals.confirmed[0];
+        assert.ok(confirmation.title.includes('Flatbed 3'));
+        await confirmation.confirm({ startLoading() {}, stopLoading() {}, done() {} });
+
+        assert.deepEqual(fetch.posts, [{ url: `trailers/${trailer.id}/detach`, body: undefined }]);
+    });
+});
diff --git a/tests/unit/store/trailer-query-test.js b/tests/unit/store/trailer-query-test.js
new file mode 100644
index 000000000..3a85ca54a
--- /dev/null
+++ b/tests/unit/store/trailer-query-test.js
@@ -0,0 +1,100 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'dummy/tests/helpers';
+import JSONAPIAdapter from '@ember-data/adapter/json-api';
+
+/**
+ * Regression coverage for the original "The response to store.query is expected to
+ * be an array but it was a single record" failure: the internal API answers with a
+ * `{ trailers: [...] }` envelope even though Trailer rows live in the shared assets
+ * table, and Ember Data must normalize that envelope into a collection.
+ */
+module('Unit | Store | trailer query normalization', function (hooks) {
+    setupTest(hooks);
+
+    function registerAdapter(owner, payload) {
+        owner.register(
+            'adapter:trailer',
+            class TrailerAdapterStub extends JSONAPIAdapter {
+                query() {
+                    return Promise.resolve(payload);
+                }
+                queryRecord() {
+                    return Promise.resolve(payload);
+                }
+            }
+        );
+    }
+
+    test('a populated `trailers` collection envelope becomes an array of Trailer records', async function (assert) {
+        registerAdapter(this.owner, {
+            trailers: [
+                {
+                    id: 'trailer-1',
+                    uuid: 'trailer-1',
+                    public_id: 'trailer_one',
+                    name: 'Reefer 12',
+                    type: 'reefer',
+                    status: 'available',
+                    attachment_state: 'detached',
+                    connectivity_status: 'never_connected',
+                },
+                {
+                    id: 'trailer-2',
+                    uuid: 'trailer-2',
+                    public_id: 'trailer_two',
+                    name: 'Flatbed 3',
+                    type: 'flatbed',
+                    status: 'in_use',
+                    attachment_state: 'attached',
+                    current_vehicle_name: 'Truck 1',
+                },
+            ],
+            meta: { total: 2, current_page: 1, last_page: 1 },
+        });
+        const store = this.owner.lookup('service:store');
+
+        const trailers = await store.query('trailer', { page: 1 });
+
+        assert.strictEqual(trailers.length, 2);
+        assert.strictEqual(trailers.meta.total, 2);
+        assert.deepEqual(
+            trailers.map((trailer) => trailer.constructor.modelName),
+            ['trailer', 'trailer']
+        );
+        assert.strictEqual(trailers.firstObject.displayName, 'Reefer 12');
+        assert.true(trailers.lastObject.isAttached);
+    });
+
+    test('an empty `trailers` collection envelope stays an empty array', async function (assert) {
+        registerAdapter(this.owner, { trailers: [], meta: { total: 0 } });
+        const store = this.owner.lookup('service:store');
+
+        const trailers = await store.query('trailer', { page: 1 });
+
+        assert.strictEqual(trailers.length, 0);
+        assert.strictEqual(trailers.meta.total, 0);
+    });
+
+    test('a single `trailer` envelope with embedded towing state hydrates the related vehicle', async function (assert) {
+        registerAdapter(this.owner, {
+            trailer: {
+                id: 'trailer-1',
+                uuid: 'trailer-1',
+                public_id: 'trailer_one',
+                name: 'Reefer 12',
+                attachment_state: 'attached',
+                current_vehicle_name: 'Truck 1',
+                current_vehicle: { id: 'vehicle-1', uuid: 'vehicle-1', public_id: 'vehicle_one', name: 'Truck 1', plate_number: 'TRK-1' },
+                current_connection: { id: 'connection-1', uuid: 'connection-1', public_id: 'connection_one', relationship_type: 'towing', position: 1, active: true },
+            },
+        });
+        const store = this.owner.lookup('service:store');
+
+        const trailer = await store.queryRecord('trailer', { public_id: 'trailer_one', single: true });
+
+        assert.strictEqual(trailer.public_id, 'trailer_one');
+        assert.strictEqual(trailer.current_vehicle.plate_number, 'TRK-1');
+        assert.strictEqual(trailer.current_connection.position, 1);
+        assert.true(trailer.isAttached);
+    });
+});
diff --git a/translations/ar-ae.yml b/translations/ar-ae.yml
index 2bd5b00c6..4f925b7fb 100644
--- a/translations/ar-ae.yml
+++ b/translations/ar-ae.yml
@@ -1,7 +1,356 @@
 menu:
   fuel-providers: تكاملات الوقود
   fuel-transactions: معاملات الوقود
+  trailers: المقطورات
 
+trailer:
+  navigation-description: إدارة الأصول المقطورة ووصلات القطر والمعدات والتتبع عن بُعد.
+  sections:
+    details: التفاصيل
+    identification: تعريف المقطورة
+    classification: التصنيف والحالة
+    registration: التسجيل
+    location: الموقع
+    dimensions: الأبعاد والسعة
+    measurement: وحدات القياس والاستخدام
+    dimensions-fields: "الأبعاد ({unit})"
+    weight: "الوزن ({unit})"
+    running-gear: المحاور والمكابح وأداة الربط
+    refrigeration: التبريد
+    ownership: الملكية والتمويل
+    finance: البيانات المالية
+    connection: وصلة القطر
+    telemetry: الموقع والتتبع عن بُعد
+    notes: الملاحظات والسجل
+  fields:
+    photo: الصورة
+    id: المعرّف
+    name: الاسم
+    code: الرمز
+    description: الوصف
+    type: نوع المقطورة
+    body-type: نوع الهيكل
+    color: اللون
+    status: الحالة
+    category: الفئة
+    vin: رقم الهيكل (VIN)
+    plate-number: رقم اللوحة
+    serial-number: الرقم التسلسلي
+    make: الصانع
+    model: الطراز
+    year: السنة
+    vendor: المورّد
+    warranty: الضمان
+    vehicle: المركبة القاطرة
+    attachment-state: حالة الربط
+    attached-at: مربوطة منذ
+    position: موضع القطر
+    source: المصدر
+    connected-at: تاريخ الربط
+    disconnected-at: تاريخ الفصل
+    duration: المدة
+    connectivity: الاتصال
+    last-online: آخر اتصال
+    last-provider: مزوّد التتبع
+    last-event-at: آخر حدث تتبع
+    coordinates: الإحداثيات
+    speed: السرعة
+    heading: الاتجاه
+    altitude: الارتفاع
+    devices-count: الأجهزة المربوطة
+    equipment-count: المعدات المربوطة
+    measurement-system: نظام القياس
+    odometer: "عداد المسافة {unit}"
+    odometer-unit: وحدة عداد المسافة
+    length: "الطول ({unit})"
+    width: "العرض ({unit})"
+    height: "الارتفاع ({unit})"
+    cargo-volume: "حجم الحمولة ({unit})"
+    tare-weight: "الوزن الفارغ ({unit})"
+    gvwr: "الوزن الإجمالي المسموح ({unit})"
+    payload-capacity: "سعة الحمولة ({unit})"
+    axle-count: المحاور
+    tire-count: الإطارات
+    door-count: الأبواب
+    coupling-type: نوع أداة الربط
+    brake-type: نوع المكابح
+    abs: ABS
+    ebs: EBS
+    refrigerated: مبرّدة
+    temperature-min: "الحد الأدنى لدرجة الحرارة ({unit})"
+    temperature-max: "الحد الأقصى لدرجة الحرارة ({unit})"
+    reefer-hours: ساعات تشغيل وحدة التبريد
+    ownership-type: الملكية
+    financing-status: حالة التمويل
+    currency: العملة
+    acquisition-cost: تكلفة الاقتناء
+    current-value: القيمة الحالية
+    insurance-value: القيمة المؤمّنة
+    depreciation-rate: معدل الإهلاك (% سنويًا)
+    purchased-at: تاريخ الشراء
+    lease-expires-at: انتهاء الإيجار
+    notes: ملاحظات
+    created-at: تاريخ الإنشاء
+    updated-at: آخر تحديث
+  placeholders:
+    filter-vendor: تصفية حسب المورّد
+    name: "مثال: مقطورة مبرّدة 12"
+    code: رمز الأسطول الداخلي، مثال TRL-0012
+    description: فيمَ تُستخدم هذه المقطورة
+    type: اختر نوع المقطورة
+    status: اختر الحالة
+    body-type: "مثال: مغلقة، ستائر جانبية، مسطحة"
+    color: "مثال: أبيض"
+    category: اختر فئة (اختياري)
+    vin: رقم هيكل من 17 خانة
+    plate-number: لوحة التسجيل
+    serial-number: الرقم التسلسلي للصانع
+    make: "مثال: Utility، Schmitz، Wabash"
+    model: "مثال: 3000R"
+    year: "مثال: 2024"
+    vendor: اختر مورّدًا (اختياري)
+    warranty: اختر ضمانًا (اختياري)
+    vehicle: اختر مركبة
+    trailer: اختر مقطورة
+    equipment: اختر معدة
+    filter-vehicle: تصفية حسب المركبة القاطرة
+    position: "1"
+    measurement-system: اختر نظام القياس
+    odometer-unit: اختر وحدة
+    odometer: القراءة الحالية
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: "مثال: 2"
+    tire-count: "مثال: 8"
+    door-count: "مثال: 2"
+    coupling-type: اختر نوع أداة الربط
+    brake-type: اختر نوع المكابح
+    temperature-min: "مثال: -20"
+    temperature-max: "مثال: 4"
+    reefer-hours: ساعات تشغيل وحدة التبريد
+    ownership-type: اختر نوع الملكية
+    financing-status: "مثال: مسدّدة، ممولة حتى 2028"
+    depreciation-rate: "مثال: 10"
+    date: يوم-شهر-سنة
+    notes: ملاحظات داخلية حول هذه المقطورة
+  help:
+    photo: ارفع صورة لهذه المقطورة.
+    name: الاسم الظاهر في Fleet-Ops. مطلوب.
+    code: مرجع الأسطول الخاص بك لهذه المقطورة.
+    type: يحدد النوع الأقسام المنطبقة، مثل التبريد للمقطورات المبرّدة.
+    status: حالة دورة الحياة. يتم تتبع الربط والاتصال بشكل منفصل.
+    body-type: وصف حر للهيكل يُستخدم للتصنيف والبحث.
+    category: تجميع اختياري مشترك مع موارد الأسطول الأخرى.
+    vin: رقم تعريف الهيكل المطبوع على المقطورة.
+    coordinates: آخر موقع معروف أو الموقع الأساسي. تقوم أجهزة التتبع بتحديثه تلقائيًا.
+    measurement-system: يحدد الوحدات المستخدمة للأبعاد والأوزان والحجم ودرجات الحرارة.
+    odometer: قراءة عداد المسافة بالوحدة المختارة.
+    cargo-volume: حجم الحمولة القابل للاستخدام في الهيكل.
+    tare-weight: وزن المقطورة وهي فارغة.
+    gvwr: الوزن الإجمالي المسموح به، أقصى وزن مسموح عند التحميل.
+    payload-capacity: أقصى وزن حمولة يمكن للمقطورة نقله.
+    coupling-type: كيفية ربط المقطورة بالمركبة القاطرة.
+    abs: مزوّدة بنظام منع انغلاق المكابح.
+    ebs: مزوّدة بنظام مكابح إلكتروني.
+    refrigerated: فعّل للمقطورات ذات التحكم في درجة الحرارة لتسجيل إعدادات وحدة التبريد.
+    temperature: نطاق درجة حرارة تشغيل وحدة التبريد.
+    reefer-hours: ساعات التشغيل المسجلة على وحدة التبريد.
+    ownership-type: كيفية حيازة هذه المقطورة. تظهر تفاصيل الإيجار والتمويل عند الحاجة.
+    lease-expires-at: موعد انتهاء اتفاقية الإيجار أو الاستئجار أو التمويل.
+    vendor: المورّد أو المؤجّر الذي تم الحصول على المقطورة منه.
+    warranty: وثيقة الضمان التي تغطي هذه المقطورة.
+    acquisition-cost: سعر الشراء أو التكلفة المرسملة بالعملة المختارة.
+    depreciation-rate: الإهلاك السنوي المستخدم لتقدير القيمة الحالية.
+    attach-vehicle: سيتم ربط المقطورة بالمركبة المختارة. لا يمكن ربط المقطورة إلا بمركبة واحدة في كل مرة.
+    select-trailer: تُعرض المقطورات غير المربوطة فقط.
+    select-equipment: تُعرض المعدات غير المربوطة فقط.
+    position: موضع القطر خلف المركبة. الموضع 1 خلف القاطرة مباشرة؛ استخدم 2 أو أكثر للقطارات البرية.
+  units:
+    length-metric: م
+    length-imperial: قدم
+    weight-metric: كجم
+    weight-imperial: رطل
+    volume-metric: م³
+    volume-imperial: قدم³
+    temperature-metric: °م
+    temperature-imperial: °ف
+  actions:
+    new: مقطورة جديدة
+    locate: تحديد الموقع على الخريطة
+    attach-vehicle: ربط بمركبة
+    detach-vehicle: فصل عن المركبة
+    attach-device: ربط جهاز
+    attach-equipment: ربط معدة
+    detach-equipment: فصل المعدة
+    schedule-maintenance: جدولة صيانة
+    create-work-order: إنشاء أمر عمل
+    log-maintenance: تسجيل صيانة
+  prompts:
+    attach-vehicle-title: "ربط {trailerName} بمركبة"
+    select-vehicle-warning: اختر مركبة لربط هذه المقطورة بها.
+    attach-vehicle-success: "تم ربط {trailerName} بـ {vehicleName}."
+    detach-vehicle-title: "فصل {trailerName}؟"
+    detach-vehicle-body: "سيؤدي هذا إلى إنهاء وصلة القطر الحالية بين {trailerName} و{vehicleName}. تُحفظ الوصلة في سجل المقطورة."
+    detach-vehicle-success: "تم فصل {trailerName} عن {vehicleName}."
+    not-attached-warning: "{trailerName} غير مربوطة بأي مركبة."
+    attach-device-title: "ربط جهاز بـ {trailerName}"
+    select-device-warning: اختر جهازًا لربطه بهذه المقطورة.
+    attach-device-success: "تم ربط الجهاز بـ {trailerName}."
+    attach-equipment-title: "ربط معدة بـ {resourceName}"
+    select-equipment-warning: اختر معدة لربطها.
+    attach-equipment-success: "تم ربط {equipmentName} بـ {resourceName}."
+    detach-equipment-title: "فصل {equipmentName}؟"
+    detach-equipment-body: "لن تبقى {equipmentName} مربوطة بـ {resourceName}."
+    detach-equipment-success: "تم فصل {equipmentName} عن {resourceName}."
+    no-location-warning: "لا يوجد موقع مسجل لـ {trailerName} بعد."
+    photo-upload-error: "تعذّر رفع الصورة: {message}"
+  empty:
+    title: أضف مقطورتك الأولى
+    description: تتتبع المقطورات وصلات القطر والأجهزة والمعدات المربوطة والتتبع المباشر والصيانة لأصولك المقطورة.
+    filtered-title: لا توجد مقطورات مطابقة لعوامل التصفية
+    filtered-description: عدّل البحث أو عوامل التصفية للعثور على مقطورة أخرى.
+    connections: لا يوجد سجل قطر بعد
+    connections-description: اربط هذه المقطورة بمركبة لبدء تسجيل وصلات القطر.
+    equipment: لا توجد معدات مربوطة
+    equipment-description: اربط معدات مثل الرافعات الخلفية أو الأحزمة أو وحدات التبريد بهذه المقطورة.
+    schedules: لا توجد جداول صيانة
+    schedules-description: أنشئ جدولًا لتخطيط الفحوصات أو الخدمات الدورية لهذه المقطورة.
+    work-orders: لا توجد أوامر عمل
+    work-orders-description: أنشئ أمر عمل لتتبع الإصلاحات أو الخدمات لهذه المقطورة.
+    maintenance: لا يوجد سجل صيانة
+    maintenance-description: ستظهر هنا عمليات الصيانة المسجلة لهذه المقطورة.
+  docs:
+    title: دليل المقطورات
+    link: فتح دليل المقطورات
+  tabs:
+    overview: نظرة عامة
+    positions: المواقع
+    devices: الأجهزة
+    equipment: المعدات
+    connections: سجل القطر
+    schedules: الجداول
+    work-orders: أوامر العمل
+    maintenance: الصيانة
+  columns:
+    name: الاسم
+    id: المعرّف
+    code: الرمز
+    type: النوع
+    plate-number: رقم اللوحة
+    status: الحالة
+    vehicle: المركبة القاطرة
+    attachment-state: الربط
+    connectivity: الاتصال
+    last-online: آخر اتصال
+    location: الموقع
+    devices: الأجهزة
+    equipment: المعدات
+    vin: رقم الهيكل
+    serial-number: الرقم التسلسلي
+    make: الصانع
+    model: الطراز
+    year: السنة
+    vendor: المورّد
+    ownership: الملكية
+    axles: المحاور
+    gvwr: الوزن الإجمالي المسموح
+    payload-capacity: سعة الحمولة
+    length: الطول
+    refrigerated: مبرّدة
+    created-at: تاريخ الإنشاء
+    updated-at: تاريخ التحديث
+  filters:
+    created-between: أُنشئت بين
+    updated-between: حُدّثت بين
+    last-online-between: آخر اتصال بين
+  connections:
+    description: جميع المركبات التي رُبطت بها هذه المقطورة، الأحدث أولًا.
+    ongoing: جارية
+  equipment:
+    description: المعدات المربوطة حاليًا بهذه المقطورة.
+  telemetry:
+    no-location: لا يوجد موقع مسجل
+  maintenance:
+    interval: الفاصل الزمني
+    next-due: الاستحقاق التالي
+    code: الرمز
+    subject: الموضوع
+    priority: الأولوية
+    due: الاستحقاق
+    summary: الملخص
+    odometer: عداد المسافة
+    total-cost: التكلفة الإجمالية
+    date: التاريخ
+  statuses:
+    available: متاحة
+    in_use: قيد الاستخدام
+    maintenance: قيد الصيانة
+    out_of_service: خارج الخدمة
+    retired: مُستبعدة
+  status-descriptions:
+    available: جاهزة للإرسال أو الربط.
+    in_use: تعمل حاليًا في مهمة أو مربوطة بمركبة.
+    maintenance: تخضع للخدمة أو الفحص أو الإصلاح.
+    out_of_service: غير قابلة للاستخدام حتى إشعار آخر.
+    retired: أُزيلت نهائيًا من الخدمة الفعلية.
+  attachment:
+    attached: مربوطة
+    detached: مفصولة
+    no-vehicle: غير مربوطة بمركبة
+  connectivity:
+    online: متصلة
+    recently_offline: انقطعت مؤخرًا
+    offline: غير متصلة
+    never_connected: لم تتصل مطلقًا
+  measurement:
+    metric: متري
+    imperial: إمبراطوري
+  measurement-descriptions:
+    metric: أمتار وكيلوغرامات وأمتار مكعبة ودرجات مئوية.
+    imperial: أقدام وأرطال وأقدام مكعبة ودرجات فهرنهايت.
+  odometer-units:
+    km: كيلومترات
+    mi: أميال
+  coupling-types:
+    fifth_wheel: العجلة الخامسة
+    pintle_hook: خطاف السحب
+    ball_hitch: كرة القطر
+    gooseneck: عنق الإوزة
+    drawbar: قضيب السحب
+    other: أخرى
+  brake-types:
+    air: مكابح هوائية
+    electric: مكابح كهربائية
+    hydraulic_surge: مكابح هيدروليكية بالقصور
+    none: بدون مكابح
+    other: أخرى
+  ownership-types:
+    owned: مملوكة
+    leased: مؤجّرة تمويليًا
+    financed: ممولة
+    rented: مستأجرة
+  types:
+    dry_van: مغلقة جافة
+    reefer: مبرّدة
+    flatbed: مسطحة
+    step_deck: مسطحة متدرجة
+    lowboy: منخفضة
+    tanker: صهريج
+    bulk: بضائع سائبة
+    dump: قلّابة
+    chassis: هيكل حاويات
+    curtain_side: ستائر جانبية
+    car_carrier: ناقلة سيارات
+    livestock: نقل مواشٍ
+    logging: نقل أخشاب
+    dolly: دولي
+    specialty: متخصصة
+    other: أخرى
 fleet-ops:
   extension-name: Fleet-Ops
   common:
@@ -1634,3 +1983,24 @@ order:
       no-dropoff-address: No dropoff address
       no-route-details: No route details available.
       no-order-linked: No order is linked to this issue.
+vehicle:
+  actions:
+    attach-trailer: ربط مقطورة
+    attach-equipment: ربط معدة
+    detach-equipment: فصل المعدة
+  empty:
+    trailers: لا توجد مقطورات مربوطة
+    trailers-description: اربط مقطورة غير مربوطة بهذه المركبة لبدء وصلة قطر.
+    equipment: لا توجد معدات مربوطة
+    equipment-description: اربط معدات مثل الرافعات الخلفية أو الأدوات أو معدات السلامة بهذه المركبة.
+  trailers:
+    description: المقطورات المربوطة حاليًا بهذه المركبة.
+  equipment:
+    description: المعدات المربوطة حاليًا بهذه المركبة.
+  prompts:
+    attach-trailer-title: "ربط مقطورة بـ {vehicleName}"
+    select-trailer-warning: اختر مقطورة لربطها بهذه المركبة.
+    attach-trailer-success: "تم ربط {trailerName} بـ {vehicleName}."
+common:
+  "yes": نعم
+  "no": لا
diff --git a/translations/bg-bg.yaml b/translations/bg-bg.yaml
index b846e71d6..d0a0c91cc 100644
--- a/translations/bg-bg.yaml
+++ b/translations/bg-bg.yaml
@@ -47,6 +47,8 @@ common:
   notes: Notes
   schedule: Schedule
   current-job: Current Job
+  "yes": Да
+  "no": Не
 menu:
   operations: Операции
   dashboard: Табло
@@ -57,6 +59,7 @@ menu:
   resources: Ресурси
   drivers: Шофьори
   vehicles: Превозни средства
+  trailers: Ремаркета
   fleets: Флотилии
   vendors: Доставчици
   contacts: Контакти
@@ -87,6 +90,8 @@ menu:
 resource:
   asset: Актив
   assets: Активи
+  trailer: Ремарке
+  trailers: Ремаркета
   activity: Дейност
   activities: Дейности
   contact: Контакт
@@ -438,6 +443,30 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Прикачен актив
+    description: Контекст на флота за телеметрията от това устройство.
+    open: Отвори актива
+    asset: Прикачен актив
+    synced-device: Синхронизирано устройство
+    asset-type: Тип актив
+    select-asset-type: Изберете тип актив
+    locate: Намери
+    change: Смени актива
+    detach: Разкачи
+    attached-device: Прикачено устройство
+    last-seen: Последен сигнал от устройството
+    none-title: Няма прикачен актив
+    none-message: Прикачете устройството към превозно средство или ремарке за контекст на телеметрията.
+    latest-positions: Последни позиции
+    positions-description: Последни координати на актива, подадени от това устройство.
+    full-history: Пълна история
+    no-positions: Няма скорошни позиции
+    no-positions-message: Този актив все още няма скорошна история на позициите.
+    attach-or-change: Прикачи или смени актив
+    view-attached: Покажи прикачения актив
+    locate-attached: Намери прикачения актив на картата
+    unknown: Неизвестен актив
   fields:
     title: Детайли за устройството
     device-name: Име на устройството
@@ -472,6 +501,7 @@ device:
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Прикачи към актив
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -481,6 +511,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Прикачи устройството към актив
+    select-asset-warning: Изберете превозно средство или ремарке.
+    attach-to-asset-success: Устройството е прикачено към актива.
+    detach-from-asset-title: "Да се разкачи ли {deviceName} от актива?"
+    detach-from-asset-body: "Това разкача {deviceName} от {assetName} и спира телематичните актуализации до ново прикачване."
+    detach-from-asset-success: Устройството е разкачено от актива.
 entity:
   fields:
     declare: Декларирай
@@ -1022,6 +1058,9 @@ vehicle:
     unassign-orders: Unassign Orders
     create-issue: Create Issue
     locate-vehicle: Намери превозното средство на картата
+    attach-trailer: Прикачи ремарке
+    attach-equipment: Прикачи оборудване
+    detach-equipment: Откачи оборудване
   prompts:
     attach-device-title: Attach device to {vehicleName}
     select-device-warning: Select a device to attach.
@@ -1033,6 +1072,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "Прикачване на ремарке към {vehicleName}"
+    select-trailer-warning: Изберете ремарке, което да прикачите към това превозно средство.
+    attach-trailer-success: "{trailerName} е прикачено към {vehicleName}."
+  empty:
+    trailers: Няма прикачени ремаркета
+    trailers-description: Прикачете откачено ремарке към това превозно средство, за да започнете прикачване.
+    equipment: Няма прикачено оборудване
+    equipment-description: Прикачете оборудване като хидроборд, инструменти или предпазни средства към това превозно средство.
+  trailers:
+    description: Ремаркета, прикачени в момента към това превозно средство.
+  equipment:
+    description: Оборудване, прикачено в момента към това превозно средство.
 vendor:
   fields:
     setup-vendor: Настройка на доставчик
@@ -1921,3 +1972,352 @@ settings:
       button-continue: Продължи
       button-start: Започнете регистрацията сега
       button-in-progress: Регистрацията е в процес
+
+trailer:
+  navigation-description: Управлявайте теглените активи, прикачванията, оборудването и телематиката.
+  sections:
+    details: Детайли
+    identification: Идентификация на ремаркето
+    classification: Класификация и статус
+    registration: Регистрация
+    location: Местоположение
+    dimensions: Размери и капацитет
+    measurement: Мерни единици и пробег
+    dimensions-fields: "Размери ({unit})"
+    weight: "Тегло ({unit})"
+    running-gear: Оси, спирачки и прикачване
+    refrigeration: Хладилна система
+    ownership: Собственост и финанси
+    finance: Финансови данни
+    connection: Прикачване към превозно средство
+    telemetry: Местоположение и телематика
+    notes: Бележки и история
+  fields:
+    photo: Снимка
+    id: ID
+    name: Име
+    code: Код
+    description: Описание
+    type: Тип ремарке
+    body-type: Тип каросерия
+    color: Цвят
+    status: Статус
+    category: Категория
+    vin: VIN
+    plate-number: Регистрационен номер
+    serial-number: Сериен номер
+    make: Марка
+    model: Модел
+    year: Година
+    vendor: Доставчик
+    warranty: Гаранция
+    vehicle: Теглещо превозно средство
+    attachment-state: Състояние на прикачване
+    attached-at: Прикачено от
+    position: Позиция при теглене
+    source: Източник
+    connected-at: Прикачено на
+    disconnected-at: Откачено на
+    duration: Продължителност
+    connectivity: Свързаност
+    last-online: Последно онлайн
+    last-provider: Телематичен доставчик
+    last-event-at: Последно телематично събитие
+    coordinates: Координати
+    speed: Скорост
+    heading: Курс
+    altitude: Надморска височина
+    devices-count: Прикачени устройства
+    equipment-count: Прикачено оборудване
+    measurement-system: Мерна система
+    odometer: "Одометър / хубометър {unit}"
+    odometer-unit: Единица на одометъра
+    length: "Дължина ({unit})"
+    width: "Ширина ({unit})"
+    height: "Височина ({unit})"
+    cargo-volume: "Товарен обем ({unit})"
+    tare-weight: "Собствено тегло ({unit})"
+    gvwr: "Допустима максимална маса ({unit})"
+    payload-capacity: "Товароносимост ({unit})"
+    axle-count: Оси
+    tire-count: Гуми
+    door-count: Врати
+    coupling-type: Тип прикачно устройство
+    brake-type: Тип спирачки
+    abs: ABS
+    ebs: EBS
+    refrigerated: Хладилно
+    temperature-min: "Минимална температура ({unit})"
+    temperature-max: "Максимална температура ({unit})"
+    reefer-hours: Моточасове на хладилния агрегат
+    ownership-type: Собственост
+    financing-status: Статус на финансиране
+    currency: Валута
+    acquisition-cost: Цена на придобиване
+    current-value: Текуща стойност
+    insurance-value: Застрахователна стойност
+    depreciation-rate: Амортизационна норма (% годишно)
+    purchased-at: Дата на покупка
+    lease-expires-at: Изтичане на лизинга
+    notes: Бележки
+    created-at: Създадено
+    updated-at: Последна актуализация
+  placeholders:
+    filter-vendor: Филтрирай по доставчик
+    name: напр. Хладилно 12
+    code: Вътрешен код на автопарка, напр. TRL-0012
+    description: За какво се използва това ремарке
+    type: Изберете тип ремарке
+    status: Изберете статус
+    body-type: напр. Фургон, брезент, платформа
+    color: напр. Бял
+    category: Изберете категория (по избор)
+    vin: VIN от 17 знака
+    plate-number: Регистрационна табела
+    serial-number: Сериен номер на производителя
+    make: напр. Schmitz, Krone, Wabash
+    model: напр. 3000R
+    year: напр. 2024
+    vendor: Изберете доставчик (по избор)
+    warranty: Изберете гаранция (по избор)
+    vehicle: Изберете превозно средство
+    trailer: Изберете ремарке
+    equipment: Изберете оборудване
+    filter-vehicle: Филтрирай по теглещо превозно средство
+    position: "1"
+    measurement-system: Изберете мерна система
+    odometer-unit: Изберете единица
+    odometer: Текущо показание
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: напр. 2
+    tire-count: напр. 8
+    door-count: напр. 2
+    coupling-type: Изберете тип прикачно устройство
+    brake-type: Изберете тип спирачки
+    temperature-min: напр. -20
+    temperature-max: напр. 4
+    reefer-hours: Моточасове на хладилния агрегат
+    ownership-type: Изберете форма на собственост
+    financing-status: напр. Изплатено, финансирано до 2028
+    depreciation-rate: напр. 10
+    date: ДД-ММ-ГГГГ
+    notes: Вътрешни бележки за това ремарке
+  help:
+    photo: Качете снимка на това ремарке.
+    name: Името, показвано в Fleet-Ops. Задължително.
+    code: Вашата собствена референция на автопарка за това ремарке.
+    type: Типът определя кои раздели са приложими, например хладилна система за хладилните ремаркета.
+    status: Статус на жизнения цикъл. Прикачването и свързаността се проследяват отделно.
+    body-type: Свободно описание на каросерията за класификация и търсене.
+    category: Незадължително групиране, споделено с другите ресурси на автопарка.
+    vin: Идентификационният номер на шасито, щампован върху ремаркето.
+    coordinates: Последно известно или базово местоположение. Телематичните устройства го обновяват автоматично.
+    measurement-system: Определя единиците за размери, тегла, обем и температури.
+    odometer: Показание на одометъра или хубометъра в избраната единица.
+    cargo-volume: Използваем товарен обем на каросерията.
+    tare-weight: Тегло на празното ремарке.
+    gvwr: Допустима максимална маса, най-голямото разрешено тегло в натоварено състояние.
+    payload-capacity: Максимално тегло на товара, което ремаркето може да превозва.
+    coupling-type: Как ремаркето се прикачва към теглещото превозно средство.
+    abs: Монтирана антиблокираща спирачна система.
+    ebs: Монтирана електронна спирачна система.
+    refrigerated: Активирайте за ремаркета с контролирана температура, за да записвате настройките на хладилния агрегат.
+    temperature: Работен температурен диапазон на хладилния агрегат.
+    reefer-hours: Отчетени работни часове на хладилния агрегат.
+    ownership-type: Как се държи това ремарке. Данните за лизинг и финансиране се показват при нужда.
+    lease-expires-at: Кога изтича договорът за лизинг, наем или финансиране.
+    vendor: Доставчикът или лизингодателят, от който е получено ремаркето.
+    warranty: Гаранционна полица, покриваща това ремарке.
+    acquisition-cost: Покупна цена или капитализирана стойност в избраната валута.
+    depreciation-rate: Годишна амортизация, използвана за оценка на текущата стойност.
+    attach-vehicle: Ремаркето ще бъде прикачено към избраното превозно средство. Ремаркето може да е прикачено само към едно превозно средство едновременно.
+    select-trailer: Показват се само откачените ремаркета.
+    select-equipment: Показва се само неприкаченото оборудване.
+    position: Позиция зад превозното средство. Позиция 1 е непосредствено зад влекача; използвайте 2 или повече за автовлакове.
+  units:
+    length-metric: м
+    length-imperial: фута
+    weight-metric: кг
+    weight-imperial: lb
+    volume-metric: м³
+    volume-imperial: фут³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Ново ремарке
+    locate: Покажи на картата
+    attach-vehicle: Прикачи към превозно средство
+    detach-vehicle: Откачи от превозното средство
+    attach-device: Прикачи устройство
+    attach-equipment: Прикачи оборудване
+    detach-equipment: Откачи оборудване
+    schedule-maintenance: Планирай поддръжка
+    create-work-order: Създай работна поръчка
+    log-maintenance: Запиши поддръжка
+  prompts:
+    attach-vehicle-title: "Прикачване на {trailerName} към превозно средство"
+    select-vehicle-warning: Изберете превозно средство, към което да прикачите това ремарке.
+    attach-vehicle-success: "{trailerName} е прикачено към {vehicleName}."
+    detach-vehicle-title: "Откачване на {trailerName}?"
+    detach-vehicle-body: "Това прекратява текущото прикачване между {trailerName} и {vehicleName}. Прикачването се запазва в историята на ремаркето."
+    detach-vehicle-success: "{trailerName} е откачено от {vehicleName}."
+    not-attached-warning: "{trailerName} не е прикачено към превозно средство."
+    attach-device-title: "Прикачване на устройство към {trailerName}"
+    select-device-warning: Изберете устройство, което да прикачите към това ремарке.
+    attach-device-success: "Устройството е прикачено към {trailerName}."
+    attach-equipment-title: "Прикачване на оборудване към {resourceName}"
+    select-equipment-warning: Изберете оборудване за прикачване.
+    attach-equipment-success: "{equipmentName} е прикачено към {resourceName}."
+    detach-equipment-title: "Откачване на {equipmentName}?"
+    detach-equipment-body: "{equipmentName} вече няма да бъде прикачено към {resourceName}."
+    detach-equipment-success: "{equipmentName} е откачено от {resourceName}."
+    no-location-warning: "{trailerName} все още няма записано местоположение."
+    photo-upload-error: "Снимката не можа да бъде качена: {message}"
+  empty:
+    title: Добавете първото си ремарке
+    description: Ремаркетата проследяват прикачванията, прикачените устройства и оборудване, телематиката в реално време и поддръжката на теглените ви активи.
+    filtered-title: Няма ремаркета, отговарящи на филтрите
+    filtered-description: Променете търсенето или филтрите, за да намерите друго ремарке.
+    connections: Няма история на прикачвания
+    connections-description: Прикачете това ремарке към превозно средство, за да започнете да записвате прикачвания.
+    equipment: Няма прикачено оборудване
+    equipment-description: Прикачете оборудване като хидроборд, колани или хладилни агрегати към това ремарке.
+    schedules: Няма графици за поддръжка
+    schedules-description: Създайте график за планиране на периодични прегледи или обслужване на това ремарке.
+    work-orders: Няма работни поръчки
+    work-orders-description: Създайте работна поръчка за проследяване на ремонти или обслужване на това ремарке.
+    maintenance: Няма история на поддръжка
+    maintenance-description: Записаната поддръжка за това ремарке ще се показва тук.
+  docs:
+    title: Ръководство за ремаркета
+    link: Отвори ръководството за ремаркета
+  tabs:
+    overview: Преглед
+    positions: Позиции
+    devices: Устройства
+    equipment: Оборудване
+    connections: История на прикачвания
+    schedules: Графици
+    work-orders: Работни поръчки
+    maintenance: Поддръжка
+  columns:
+    name: Име
+    id: ID
+    code: Код
+    type: Тип
+    plate-number: Регистрационен номер
+    status: Статус
+    vehicle: Теглещо превозно средство
+    attachment-state: Прикачване
+    connectivity: Свързаност
+    last-online: Последно онлайн
+    location: Местоположение
+    devices: Устройства
+    equipment: Оборудване
+    vin: VIN
+    serial-number: Сериен номер
+    make: Марка
+    model: Модел
+    year: Година
+    vendor: Доставчик
+    ownership: Собственост
+    axles: Оси
+    gvwr: Допустима максимална маса
+    payload-capacity: Товароносимост
+    length: Дължина
+    refrigerated: Хладилно
+    created-at: Създадено на
+    updated-at: Актуализирано на
+  filters:
+    created-between: Създадено между
+    updated-between: Актуализирано между
+    last-online-between: Последно онлайн между
+  connections:
+    description: Всички превозни средства, към които е било прикачено това ремарке, от най-новото към най-старото.
+    ongoing: Текущо
+  equipment:
+    description: Оборудване, прикачено в момента към това ремарке.
+  telemetry:
+    no-location: Няма записано местоположение
+  maintenance:
+    interval: Интервал
+    next-due: Следващ срок
+    code: Код
+    subject: Тема
+    priority: Приоритет
+    due: Срок
+    summary: Обобщение
+    odometer: Одометър
+    total-cost: Обща стойност
+    date: Дата
+  statuses:
+    available: Налично
+    in_use: В употреба
+    maintenance: В поддръжка
+    out_of_service: Извън експлоатация
+    retired: Изведено от употреба
+  status-descriptions:
+    available: Готово за възлагане или прикачване.
+    in_use: В момента изпълнява задача или е прикачено към превозно средство.
+    maintenance: В процес на обслужване, преглед или ремонт.
+    out_of_service: Неизползваемо до второ нареждане.
+    retired: Окончателно изведено от активна експлоатация.
+  attachment:
+    attached: Прикачено
+    detached: Откачено
+    no-vehicle: Не е прикачено към превозно средство
+  connectivity:
+    online: Онлайн
+    recently_offline: Наскоро офлайн
+    offline: Офлайн
+    never_connected: Никога не е свързвано
+  measurement:
+    metric: Метрична
+    imperial: Имперска
+  measurement-descriptions:
+    metric: Метри, килограми, кубични метри и Целзий.
+    imperial: Футове, фунтове, кубични футове и Фаренхайт.
+  odometer-units:
+    km: Километри
+    mi: Мили
+  coupling-types:
+    fifth_wheel: Седлово прикачно устройство
+    pintle_hook: Кука
+    ball_hitch: Сферично прикачно устройство
+    gooseneck: Гъша шия
+    drawbar: Теглич
+    other: Друго
+  brake-types:
+    air: Пневматични спирачки
+    electric: Електрически спирачки
+    hydraulic_surge: Хидравлични инерционни спирачки
+    none: Без спирачки
+    other: Друго
+  ownership-types:
+    owned: Собствено
+    leased: На лизинг
+    financed: Финансирано
+    rented: Под наем
+  types:
+    dry_van: Фургон
+    reefer: Хладилно
+    flatbed: Платформа
+    step_deck: Платформа със стъпало
+    lowboy: Нискорамна платформа
+    tanker: Цистерна
+    bulk: За насипни товари
+    dump: Самосвално
+    chassis: Контейнеровоз
+    curtain_side: Брезентово
+    car_carrier: Автовоз
+    livestock: За животни
+    logging: За дървесина
+    dolly: Доли
+    specialty: Специализирано
+    other: Друго
diff --git a/translations/en-us.yaml b/translations/en-us.yaml
index 460f00f78..94337e3ec 100644
--- a/translations/en-us.yaml
+++ b/translations/en-us.yaml
@@ -2,6 +2,8 @@ fleet-ops:
     extension-name: Fleet-Ops
 
 common:
+    "yes": "Yes"
+    "no": "No"
     proof-of-delivery: Proof of Delivery
     ad-hoc: As-Hoc
     bulk-dispatch: Bulk Dispatch
@@ -70,6 +72,7 @@ menu:
     resources: Resources
     drivers: Drivers
     vehicles: Vehicles
+    trailers: Trailers
     fleets: Fleets
     vendors: Vendors
     contacts: Contacts
@@ -106,9 +109,360 @@ menu:
     orchestrator: Orchestrator
     orchestrator-settings: Orchestrator Settings
 
+trailer:
+    navigation-description: Manage towed assets, towing connections, equipment, and telematics.
+    sections:
+        details: Details
+        identification: Trailer identification
+        classification: Classification and status
+        registration: Registration
+        location: Location
+        dimensions: Dimensions and capacity
+        measurement: Measurement and usage
+        dimensions-fields: "Dimensions ({unit})"
+        weight: "Weight ({unit})"
+        running-gear: Axles, brakes, and coupling
+        refrigeration: Refrigeration
+        ownership: Ownership and finance
+        finance: Financial details
+        connection: Towing connection
+        telemetry: Location and telematics
+        notes: Notes and history
+    fields:
+        photo: Photo
+        id: ID
+        name: Name
+        code: Code
+        description: Description
+        type: Trailer type
+        body-type: Body type
+        color: Color
+        status: Status
+        category: Category
+        vin: VIN
+        plate-number: Plate number
+        serial-number: Serial number
+        make: Make
+        model: Model
+        year: Year
+        vendor: Vendor
+        warranty: Warranty
+        vehicle: Towing vehicle
+        attachment-state: Attachment state
+        attached-at: Attached since
+        position: Towing position
+        source: Source
+        connected-at: Connected at
+        disconnected-at: Disconnected at
+        duration: Duration
+        connectivity: Connectivity
+        last-online: Last online
+        last-provider: Telemetry provider
+        last-event-at: Last telemetry event
+        coordinates: Coordinates
+        speed: Speed
+        heading: Heading
+        altitude: Altitude
+        devices-count: Attached devices
+        equipment-count: Attached equipment
+        measurement-system: Measurement system
+        odometer: "Odometer / hubometer {unit}"
+        odometer-unit: Odometer unit
+        length: "Length ({unit})"
+        width: "Width ({unit})"
+        height: "Height ({unit})"
+        cargo-volume: "Cargo volume ({unit})"
+        tare-weight: "Tare weight ({unit})"
+        gvwr: "GVWR ({unit})"
+        payload-capacity: "Payload capacity ({unit})"
+        axle-count: Axles
+        tire-count: Tires
+        door-count: Doors
+        coupling-type: Coupling type
+        brake-type: Brake type
+        abs: ABS
+        ebs: EBS
+        refrigerated: Refrigerated
+        temperature-min: "Minimum temperature ({unit})"
+        temperature-max: "Maximum temperature ({unit})"
+        reefer-hours: Reefer engine hours
+        ownership-type: Ownership
+        financing-status: Financing status
+        currency: Currency
+        acquisition-cost: Acquisition cost
+        current-value: Current value
+        insurance-value: Insured value
+        depreciation-rate: Depreciation rate (% per year)
+        purchased-at: Purchase date
+        lease-expires-at: Lease expiry
+        notes: Notes
+        created-at: Created
+        updated-at: Last updated
+    placeholders:
+        filter-vendor: Filter by vendor
+        name: e.g. Reefer 12
+        code: Internal fleet code, e.g. TRL-0012
+        description: What this trailer is used for
+        type: Select a trailer type
+        status: Select a status
+        body-type: e.g. Enclosed, curtain side, platform
+        color: e.g. White
+        category: Select a category (optional)
+        vin: 17-character VIN
+        plate-number: Registration plate
+        serial-number: Manufacturer serial number
+        make: e.g. Utility, Schmitz, Wabash
+        model: e.g. 3000R
+        year: e.g. 2024
+        vendor: Select a vendor (optional)
+        warranty: Select a warranty (optional)
+        vehicle: Select a vehicle
+        trailer: Select a trailer
+        equipment: Select equipment
+        filter-vehicle: Filter by towing vehicle
+        position: "1"
+        measurement-system: Select a measurement system
+        odometer-unit: Select a unit
+        odometer: Current reading
+        length: "0.000"
+        width: "0.000"
+        height: "0.000"
+        cargo-volume: "0.000"
+        tare-weight: "0.000"
+        gvwr: "0.000"
+        payload-capacity: "0.000"
+        axle-count: e.g. 2
+        tire-count: e.g. 8
+        door-count: e.g. 2
+        coupling-type: Select a coupling type
+        brake-type: Select a brake type
+        temperature-min: e.g. -20
+        temperature-max: e.g. 4
+        reefer-hours: Hours on the reefer unit
+        ownership-type: Select ownership
+        financing-status: e.g. Paid off, financed until 2028
+        depreciation-rate: e.g. 10
+        date: DD-MM-YYYY
+        notes: Internal notes about this trailer
+    help:
+        photo: Upload a photo of this trailer.
+        name: The name shown across Fleet-Ops. Required.
+        code: Your own fleet reference for this trailer.
+        type: The type drives which sections apply, for example refrigeration for reefers.
+        status: Lifecycle status. Attachment and connectivity are tracked separately.
+        body-type: Free-form body description used for classification and search.
+        category: Optional grouping shared with other fleet resources.
+        vin: The chassis or vehicle identification number stamped on the trailer.
+        coordinates: The last known or home position. Telematics devices update this automatically.
+        measurement-system: Determines the units used for dimensions, weights, volume, and temperatures.
+        odometer: Hubometer or odometer reading in the selected odometer unit.
+        cargo-volume: Usable cargo volume of the trailer body.
+        tare-weight: Weight of the empty trailer.
+        gvwr: Gross vehicle weight rating, the maximum loaded weight allowed.
+        payload-capacity: Maximum cargo weight the trailer may carry.
+        coupling-type: How the trailer couples to the towing vehicle.
+        abs: Anti-lock braking system fitted.
+        ebs: Electronic braking system fitted.
+        refrigerated: Enable for temperature-controlled trailers to record reefer settings.
+        temperature: Operating temperature range of the reefer unit.
+        reefer-hours: Running hours recorded on the refrigeration unit.
+        ownership-type: How this trailer is held. Lease and financing details appear when relevant.
+        lease-expires-at: When the lease, rental, or financing agreement ends.
+        vendor: The vendor or lessor the trailer was sourced from.
+        warranty: Warranty policy covering this trailer.
+        acquisition-cost: Purchase price or capitalised cost in the selected currency.
+        depreciation-rate: Annual depreciation used for the current value estimate.
+        attach-vehicle: The trailer will be coupled to the selected vehicle. A trailer can only be attached to one vehicle at a time.
+        select-trailer: Only detached trailers are listed.
+        select-equipment: Only unattached equipment is listed.
+        position: Towing position behind the vehicle. Position 1 is directly behind the tractor; use 2 or more for road trains.
+    units:
+        length-metric: m
+        length-imperial: ft
+        weight-metric: kg
+        weight-imperial: lb
+        volume-metric: m³
+        volume-imperial: ft³
+        temperature-metric: °C
+        temperature-imperial: °F
+    actions:
+        new: New trailer
+        locate: Locate on map
+        attach-vehicle: Attach to vehicle
+        detach-vehicle: Detach from vehicle
+        attach-device: Attach device
+        attach-equipment: Attach equipment
+        detach-equipment: Detach equipment
+        schedule-maintenance: Schedule maintenance
+        create-work-order: Create work order
+        log-maintenance: Log maintenance
+    prompts:
+        attach-vehicle-title: "Attach {trailerName} to a vehicle"
+        select-vehicle-warning: Select a vehicle to attach this trailer to.
+        attach-vehicle-success: "Attached {trailerName} to {vehicleName}."
+        detach-vehicle-title: "Detach {trailerName}?"
+        detach-vehicle-body: "This ends the current towing connection between {trailerName} and {vehicleName}. The connection is kept in the trailer's history."
+        detach-vehicle-success: "Detached {trailerName} from {vehicleName}."
+        not-attached-warning: "{trailerName} is not attached to a vehicle."
+        attach-device-title: "Attach a device to {trailerName}"
+        select-device-warning: Select a device to attach to this trailer.
+        attach-device-success: "Device attached to {trailerName}."
+        attach-equipment-title: "Attach equipment to {resourceName}"
+        select-equipment-warning: Select equipment to attach.
+        attach-equipment-success: "Attached {equipmentName} to {resourceName}."
+        detach-equipment-title: "Detach {equipmentName}?"
+        detach-equipment-body: "{equipmentName} will no longer be equipped to {resourceName}."
+        detach-equipment-success: "Detached {equipmentName} from {resourceName}."
+        no-location-warning: "{trailerName} has no recorded location yet."
+        photo-upload-error: "Unable to upload photo: {message}"
+    empty:
+        title: Add your first trailer
+        description: Trailers track towing connections, attached devices and equipment, live telemetry, and maintenance for your towed assets.
+        filtered-title: No trailers match your filters
+        filtered-description: Adjust the search or filters to find another trailer.
+        connections: No towing history yet
+        connections-description: Attach this trailer to a vehicle to start recording towing connections.
+        equipment: No equipment attached
+        equipment-description: Attach equipment such as liftgates, straps, or reefer units to this trailer.
+        schedules: No maintenance schedules
+        schedules-description: Create a schedule to plan recurring inspections or service for this trailer.
+        work-orders: No work orders
+        work-orders-description: Raise a work order to track repairs or service on this trailer.
+        maintenance: No maintenance history
+        maintenance-description: Logged maintenance for this trailer will appear here.
+    docs:
+        title: Trailers guide
+        link: Open the trailers guide
+    tabs:
+        overview: Overview
+        positions: Positions
+        devices: Devices
+        equipment: Equipment
+        connections: Towing history
+        schedules: Schedules
+        work-orders: Work orders
+        maintenance: Maintenance
+    columns:
+        name: Name
+        id: ID
+        code: Code
+        type: Type
+        plate-number: Plate number
+        status: Status
+        vehicle: Towing vehicle
+        attachment-state: Attachment
+        connectivity: Connectivity
+        last-online: Last online
+        location: Location
+        devices: Devices
+        equipment: Equipment
+        vin: VIN
+        serial-number: Serial number
+        make: Make
+        model: Model
+        year: Year
+        vendor: Vendor
+        ownership: Ownership
+        axles: Axles
+        gvwr: GVWR
+        payload-capacity: Payload capacity
+        length: Length
+        refrigerated: Refrigerated
+        created-at: Created at
+        updated-at: Updated at
+    filters:
+        created-between: Created between
+        updated-between: Updated between
+        last-online-between: Last online between
+    connections:
+        description: Every vehicle this trailer has been coupled to, newest first.
+        ongoing: Ongoing
+    equipment:
+        description: Equipment currently equipped to this trailer.
+    telemetry:
+        no-location: No location recorded
+    maintenance:
+        interval: Interval
+        next-due: Next due
+        code: Code
+        subject: Subject
+        priority: Priority
+        due: Due
+        summary: Summary
+        odometer: Odometer
+        total-cost: Total cost
+        date: Date
+    statuses:
+        available: Available
+        in_use: In use
+        maintenance: In maintenance
+        out_of_service: Out of service
+        retired: Retired
+    status-descriptions:
+        available: Ready to be dispatched or attached.
+        in_use: Currently working on a job or attached to a vehicle.
+        maintenance: Undergoing service, inspection, or repair.
+        out_of_service: Not usable until further notice.
+        retired: Permanently removed from active service.
+    attachment:
+        attached: Attached
+        detached: Detached
+        no-vehicle: Not attached to a vehicle
+    connectivity:
+        online: Online
+        recently_offline: Recently offline
+        offline: Offline
+        never_connected: Never connected
+    measurement:
+        metric: Metric
+        imperial: Imperial
+    measurement-descriptions:
+        metric: Metres, kilograms, cubic metres, and Celsius.
+        imperial: Feet, pounds, cubic feet, and Fahrenheit.
+    odometer-units:
+        km: Kilometres
+        mi: Miles
+    coupling-types:
+        fifth_wheel: Fifth wheel
+        pintle_hook: Pintle hook
+        ball_hitch: Ball hitch
+        gooseneck: Gooseneck
+        drawbar: Drawbar
+        other: Other
+    brake-types:
+        air: Air brakes
+        electric: Electric brakes
+        hydraulic_surge: Hydraulic surge brakes
+        none: No brakes
+        other: Other
+    ownership-types:
+        owned: Owned
+        leased: Leased
+        financed: Financed
+        rented: Rented
+    types:
+        dry_van: Dry van
+        reefer: Reefer
+        flatbed: Flatbed
+        step_deck: Step deck
+        lowboy: Lowboy
+        tanker: Tanker
+        bulk: Bulk
+        dump: Dump
+        chassis: Chassis
+        curtain_side: Curtain side
+        car_carrier: Car carrier
+        livestock: Livestock
+        logging: Logging
+        dolly: Dolly
+        specialty: Specialty
+        other: Other
+
 resource:
     asset: Asset
     assets: Assets
+    trailer: Trailer
+    trailers: Trailers
     activity: Activity
     activities: Activities
     contact: Contact
@@ -470,6 +824,30 @@ driver:
         unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
         issue-title: Issue reported for {driverName}
 device:
+    attachment:
+        title: Attached asset
+        description: Fleet context for telemetry from this device.
+        open: Open asset
+        asset: Attached asset
+        synced-device: Synced device
+        asset-type: Asset type
+        select-asset-type: Select an asset type
+        locate: Locate
+        change: Change asset
+        detach: Detach
+        attached-device: Attached device
+        last-seen: Device last seen
+        none-title: No asset attached
+        none-message: Attach this device to a vehicle or trailer so telemetry has fleet context.
+        latest-positions: Latest positions
+        positions-description: Recent asset coordinates reported through this device attachment.
+        full-history: Full history
+        no-positions: No recent positions
+        no-positions-message: This attached asset does not have recent position history available yet.
+        attach-or-change: Attach or change asset
+        view-attached: View attached asset
+        locate-attached: Locate attached asset on map
+        unknown: Unknown asset
     fields:
         title: Device Details
         device-name: Device Name
@@ -507,11 +885,18 @@ device:
         attach-device: Attach Device
         attach-to-vehicle: Attach to Vehicle
         detach-from-vehicle: Detach from Vehicle
+        attach-to-asset: Attach to Asset
     prompts:
         attach-to-vehicle-title: Attach device to vehicle
         attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
         select-vehicle-warning: Select a vehicle to attach this device to.
         attach-to-vehicle-success: Device attached to vehicle.
+        attach-to-asset-title: Attach device to asset
+        select-asset-warning: Select a vehicle or trailer to attach this device to.
+        attach-to-asset-success: Device attached to asset.
+        detach-from-asset-title: "Detach {deviceName} from asset?"
+        detach-from-asset-body: "This detaches {deviceName} from {assetName} and stops asset telemetry updates until it is attached again."
+        detach-from-asset-success: Device detached from asset.
         not-attached-warning: "{deviceName} is not attached to a vehicle."
         detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
         detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
@@ -1021,6 +1406,9 @@ vehicle:
         vin-number: VIN Number
         year: Year
     actions:
+        attach-trailer: Attach trailer
+        attach-equipment: Attach equipment
+        detach-equipment: Detach equipment
         attach-device: Attach Device
         unassign-orders: Unassign Orders
         create-issue: Create Issue
@@ -1028,8 +1416,20 @@ vehicle:
         schedule-maintenance: Schedule Maintenance
         create-work-order: Create Work Order
         log-maintenance: Log Maintenance
+    empty:
+        trailers: No trailers attached
+        trailers-description: Attach a detached trailer to this vehicle to start a towing connection.
+        equipment: No equipment attached
+        equipment-description: Attach equipment such as liftgates, tools, or safety gear to this vehicle.
+    trailers:
+        description: Trailers currently coupled to this vehicle.
+    equipment:
+        description: Equipment currently equipped to this vehicle.
 
     prompts:
+        attach-trailer-title: Attach a trailer to {vehicleName}
+        select-trailer-warning: Select a trailer to attach to this vehicle.
+        attach-trailer-success: Attached {trailerName} to {vehicleName}.
         attach-device-title: Attach device to {vehicleName}
         select-device-warning: Select a device to attach.
         attach-device-success: Device attached to {vehicleName}.
diff --git a/translations/es-pa.yaml b/translations/es-pa.yaml
index 6c6865d3c..1bb5f03ad 100644
--- a/translations/es-pa.yaml
+++ b/translations/es-pa.yaml
@@ -43,6 +43,8 @@ common:
   select-address: Seleccionar dirección
 
   current-job: Current Job
+  "yes": Sí
+  "no": No
 menu:
   operations: Operaciones
   dashboard: Panel
@@ -53,6 +55,7 @@ menu:
   resources: Recursos
   drivers: Conductores
   vehicles: Vehículos
+  trailers: Remolques
   fleets: Flotas
   vendors: Proveedores
   contacts: Contactos
@@ -85,6 +88,8 @@ menu:
 resource:
   asset: Activo
   assets: Activos
+  trailer: Remolque
+  trailers: Remolques
   activity: Actividad
   activities: Actividades
   contact: Contacto
@@ -425,6 +430,30 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Activo conectado
+    description: Contexto de flota para la telemetría de este dispositivo.
+    open: Abrir activo
+    asset: Activo conectado
+    synced-device: Dispositivo sincronizado
+    asset-type: Tipo de activo
+    select-asset-type: Seleccione un tipo de activo
+    locate: Localizar
+    change: Cambiar activo
+    detach: Desconectar
+    attached-device: Dispositivo conectado
+    last-seen: Última señal del dispositivo
+    none-title: Ningún activo conectado
+    none-message: Conecte este dispositivo a un vehículo o remolque para aportar contexto de flota.
+    latest-positions: Posiciones recientes
+    positions-description: Coordenadas recientes del activo informadas mediante este dispositivo.
+    full-history: Historial completo
+    no-positions: Sin posiciones recientes
+    no-positions-message: Este activo aún no tiene historial de posiciones reciente.
+    attach-or-change: Conectar o cambiar activo
+    view-attached: Ver activo conectado
+    locate-attached: Localizar activo conectado en el mapa
+    unknown: Activo desconocido
   fields:
     title: Detalles del dispositivo
     device-name: Nombre del dispositivo
@@ -461,6 +490,7 @@ device:
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Conectar a activo
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -470,6 +500,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Conectar dispositivo a activo
+    select-asset-warning: Seleccione un vehículo o remolque.
+    attach-to-asset-success: Dispositivo conectado al activo.
+    detach-from-asset-title: "¿Desconectar {deviceName} del activo?"
+    detach-from-asset-body: "Esto desconecta {deviceName} de {assetName} y detiene sus actualizaciones telemáticas hasta volver a conectarlo."
+    detach-from-asset-success: Dispositivo desconectado del activo.
 entity:
   fields:
     declare: Declarar
@@ -967,6 +1003,9 @@ vehicle:
     unassign-orders: Unassign Orders
     create-issue: Create Issue
     locate-vehicle: Localizar vehículo en el mapa
+    attach-trailer: Enganchar remolque
+    attach-equipment: Conectar equipamiento
+    detach-equipment: Desconectar equipamiento
 
   prompts:
     attach-device-title: Attach device to {vehicleName}
@@ -979,6 +1018,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "Enganchar un remolque a {vehicleName}"
+    select-trailer-warning: Seleccione un remolque para enganchar a este vehículo.
+    attach-trailer-success: "{trailerName} enganchado a {vehicleName}."
+  empty:
+    trailers: Sin remolques enganchados
+    trailers-description: Enganche un remolque desenganchado a este vehículo para iniciar un enganche.
+    equipment: Sin equipamiento conectado
+    equipment-description: Conecte equipamiento como plataformas elevadoras, herramientas o equipo de seguridad a este vehículo.
+  trailers:
+    description: Remolques actualmente enganchados a este vehículo.
+  equipment:
+    description: Equipamiento actualmente conectado a este vehículo.
 vendor:
   fields:
     setup-vendor: Proveedor de configuración
@@ -1799,3 +1850,352 @@ settings:
       button-continue: Continuar
       button-start: Empiece a bordo ahora
       button-in-progress: A bordo en progreso
+
+trailer:
+  navigation-description: Gestione los activos remolcados, los enganches, el equipamiento y la telemática.
+  sections:
+    details: Detalles
+    identification: Identificación del remolque
+    classification: Clasificación y estado
+    registration: Registro
+    location: Ubicación
+    dimensions: Dimensiones y capacidad
+    measurement: Medición y uso
+    dimensions-fields: "Dimensiones ({unit})"
+    weight: "Peso ({unit})"
+    running-gear: Ejes, frenos y enganche
+    refrigeration: Refrigeración
+    ownership: Propiedad y finanzas
+    finance: Datos financieros
+    connection: Enganche al vehículo
+    telemetry: Ubicación y telemática
+    notes: Notas e historial
+  fields:
+    photo: Foto
+    id: ID
+    name: Nombre
+    code: Código
+    description: Descripción
+    type: Tipo de remolque
+    body-type: Tipo de carrocería
+    color: Color
+    status: Estado
+    category: Categoría
+    vin: VIN
+    plate-number: Placa
+    serial-number: Número de serie
+    make: Marca
+    model: Modelo
+    year: Año
+    vendor: Proveedor
+    warranty: Garantía
+    vehicle: Vehículo remolcador
+    attachment-state: Estado de enganche
+    attached-at: Enganchado desde
+    position: Posición de remolque
+    source: Origen
+    connected-at: Enganchado el
+    disconnected-at: Desenganchado el
+    duration: Duración
+    connectivity: Conectividad
+    last-online: Última conexión
+    last-provider: Proveedor telemático
+    last-event-at: Último evento telemático
+    coordinates: Coordenadas
+    speed: Velocidad
+    heading: Rumbo
+    altitude: Altitud
+    devices-count: Dispositivos conectados
+    equipment-count: Equipamiento conectado
+    measurement-system: Sistema de medición
+    odometer: "Odómetro / hubodómetro {unit}"
+    odometer-unit: Unidad del odómetro
+    length: "Longitud ({unit})"
+    width: "Ancho ({unit})"
+    height: "Altura ({unit})"
+    cargo-volume: "Volumen de carga ({unit})"
+    tare-weight: "Peso en vacío ({unit})"
+    gvwr: "Peso bruto máximo ({unit})"
+    payload-capacity: "Capacidad de carga ({unit})"
+    axle-count: Ejes
+    tire-count: Neumáticos
+    door-count: Puertas
+    coupling-type: Tipo de enganche
+    brake-type: Tipo de frenos
+    abs: ABS
+    ebs: EBS
+    refrigerated: Refrigerado
+    temperature-min: "Temperatura mínima ({unit})"
+    temperature-max: "Temperatura máxima ({unit})"
+    reefer-hours: Horas del equipo de frío
+    ownership-type: Propiedad
+    financing-status: Estado de financiación
+    currency: Moneda
+    acquisition-cost: Costo de adquisición
+    current-value: Valor actual
+    insurance-value: Valor asegurado
+    depreciation-rate: Tasa de depreciación (% anual)
+    purchased-at: Fecha de compra
+    lease-expires-at: Vencimiento del arrendamiento
+    notes: Notas
+    created-at: Creado
+    updated-at: Última actualización
+  placeholders:
+    filter-vendor: Filtrar por proveedor
+    name: p. ej. Refrigerado 12
+    code: Código interno de flota, p. ej. TRL-0012
+    description: Para qué se utiliza este remolque
+    type: Seleccione un tipo de remolque
+    status: Seleccione un estado
+    body-type: p. ej. Cerrado, lona corredera, plataforma
+    color: p. ej. Blanco
+    category: Seleccione una categoría (opcional)
+    vin: VIN de 17 caracteres
+    plate-number: Placa de matrícula
+    serial-number: Número de serie del fabricante
+    make: p. ej. Utility, Schmitz, Wabash
+    model: p. ej. 3000R
+    year: p. ej. 2024
+    vendor: Seleccione un proveedor (opcional)
+    warranty: Seleccione una garantía (opcional)
+    vehicle: Seleccione un vehículo
+    trailer: Seleccione un remolque
+    equipment: Seleccione equipamiento
+    filter-vehicle: Filtrar por vehículo remolcador
+    position: "1"
+    measurement-system: Seleccione un sistema de medición
+    odometer-unit: Seleccione una unidad
+    odometer: Lectura actual
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: p. ej. 2
+    tire-count: p. ej. 8
+    door-count: p. ej. 2
+    coupling-type: Seleccione un tipo de enganche
+    brake-type: Seleccione un tipo de frenos
+    temperature-min: p. ej. -20
+    temperature-max: p. ej. 4
+    reefer-hours: Horas del equipo de frío
+    ownership-type: Seleccione el tipo de propiedad
+    financing-status: p. ej. Pagado, financiado hasta 2028
+    depreciation-rate: p. ej. 10
+    date: DD-MM-AAAA
+    notes: Notas internas sobre este remolque
+  help:
+    photo: Suba una foto de este remolque.
+    name: El nombre que se muestra en Fleet-Ops. Obligatorio.
+    code: Su propia referencia de flota para este remolque.
+    type: El tipo determina qué secciones aplican, por ejemplo refrigeración para los refrigerados.
+    status: Estado del ciclo de vida. El enganche y la conectividad se registran por separado.
+    body-type: Descripción libre de la carrocería para clasificación y búsqueda.
+    category: Agrupación opcional compartida con otros recursos de la flota.
+    vin: El número de identificación del chasis grabado en el remolque.
+    coordinates: Última posición conocida o posición base. Los dispositivos telemáticos la actualizan automáticamente.
+    measurement-system: Determina las unidades de dimensiones, pesos, volumen y temperaturas.
+    odometer: Lectura del odómetro o hubodómetro en la unidad seleccionada.
+    cargo-volume: Volumen de carga útil de la caja.
+    tare-weight: Peso del remolque vacío.
+    gvwr: Peso bruto máximo autorizado, el peso máximo permitido cargado.
+    payload-capacity: Peso máximo de carga que el remolque puede transportar.
+    coupling-type: Cómo se engancha el remolque al vehículo remolcador.
+    abs: Sistema de frenos antibloqueo instalado.
+    ebs: Sistema de frenos electrónico instalado.
+    refrigerated: Actívelo en remolques con temperatura controlada para registrar la configuración del equipo de frío.
+    temperature: Rango de temperatura de operación del equipo de frío.
+    reefer-hours: Horas de funcionamiento registradas en el equipo de refrigeración.
+    ownership-type: Cómo se posee este remolque. Los datos de arrendamiento y financiación aparecen cuando corresponde.
+    lease-expires-at: Cuándo termina el contrato de arrendamiento, alquiler o financiación.
+    vendor: Proveedor o arrendador del que procede el remolque.
+    warranty: Póliza de garantía que cubre este remolque.
+    acquisition-cost: Precio de compra o costo capitalizado en la moneda seleccionada.
+    depreciation-rate: Depreciación anual utilizada para estimar el valor actual.
+    attach-vehicle: El remolque se enganchará al vehículo seleccionado. Un remolque solo puede estar enganchado a un vehículo a la vez.
+    select-trailer: Solo se muestran los remolques desenganchados.
+    select-equipment: Solo se muestra el equipamiento sin conectar.
+    position: Posición de remolque detrás del vehículo. La posición 1 es justo detrás del tractor; use 2 o más para trenes de carretera.
+  units:
+    length-metric: m
+    length-imperial: ft
+    weight-metric: kg
+    weight-imperial: lb
+    volume-metric: m³
+    volume-imperial: ft³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Nuevo remolque
+    locate: Ubicar en el mapa
+    attach-vehicle: Enganchar a un vehículo
+    detach-vehicle: Desenganchar del vehículo
+    attach-device: Conectar dispositivo
+    attach-equipment: Conectar equipamiento
+    detach-equipment: Desconectar equipamiento
+    schedule-maintenance: Programar mantenimiento
+    create-work-order: Crear orden de trabajo
+    log-maintenance: Registrar mantenimiento
+  prompts:
+    attach-vehicle-title: "Enganchar {trailerName} a un vehículo"
+    select-vehicle-warning: Seleccione un vehículo al que enganchar este remolque.
+    attach-vehicle-success: "{trailerName} enganchado a {vehicleName}."
+    detach-vehicle-title: "¿Desenganchar {trailerName}?"
+    detach-vehicle-body: "Esto finaliza el enganche actual entre {trailerName} y {vehicleName}. El enganche se conserva en el historial del remolque."
+    detach-vehicle-success: "{trailerName} desenganchado de {vehicleName}."
+    not-attached-warning: "{trailerName} no está enganchado a ningún vehículo."
+    attach-device-title: "Conectar un dispositivo a {trailerName}"
+    select-device-warning: Seleccione un dispositivo para conectar a este remolque.
+    attach-device-success: "Dispositivo conectado a {trailerName}."
+    attach-equipment-title: "Conectar equipamiento a {resourceName}"
+    select-equipment-warning: Seleccione el equipamiento a conectar.
+    attach-equipment-success: "{equipmentName} conectado a {resourceName}."
+    detach-equipment-title: "¿Desconectar {equipmentName}?"
+    detach-equipment-body: "{equipmentName} dejará de estar conectado a {resourceName}."
+    detach-equipment-success: "{equipmentName} desconectado de {resourceName}."
+    no-location-warning: "{trailerName} aún no tiene una ubicación registrada."
+    photo-upload-error: "No se pudo subir la foto: {message}"
+  empty:
+    title: Agregue su primer remolque
+    description: Los remolques registran enganches, dispositivos y equipamiento conectados, telemetría en vivo y mantenimiento de sus activos remolcados.
+    filtered-title: Ningún remolque coincide con sus filtros
+    filtered-description: Ajuste la búsqueda o los filtros para encontrar otro remolque.
+    connections: Sin historial de enganches
+    connections-description: Enganche este remolque a un vehículo para empezar a registrar enganches.
+    equipment: Sin equipamiento conectado
+    equipment-description: Conecte equipamiento como plataformas elevadoras, correas o equipos de frío a este remolque.
+    schedules: Sin programas de mantenimiento
+    schedules-description: Cree un programa para planificar inspecciones o servicios recurrentes de este remolque.
+    work-orders: Sin órdenes de trabajo
+    work-orders-description: Cree una orden de trabajo para dar seguimiento a reparaciones o servicios de este remolque.
+    maintenance: Sin historial de mantenimiento
+    maintenance-description: Los mantenimientos registrados para este remolque aparecerán aquí.
+  docs:
+    title: Guía de remolques
+    link: Abrir la guía de remolques
+  tabs:
+    overview: Resumen
+    positions: Posiciones
+    devices: Dispositivos
+    equipment: Equipamiento
+    connections: Historial de enganches
+    schedules: Programas
+    work-orders: Órdenes de trabajo
+    maintenance: Mantenimiento
+  columns:
+    name: Nombre
+    id: ID
+    code: Código
+    type: Tipo
+    plate-number: Placa
+    status: Estado
+    vehicle: Vehículo remolcador
+    attachment-state: Enganche
+    connectivity: Conectividad
+    last-online: Última conexión
+    location: Ubicación
+    devices: Dispositivos
+    equipment: Equipamiento
+    vin: VIN
+    serial-number: Número de serie
+    make: Marca
+    model: Modelo
+    year: Año
+    vendor: Proveedor
+    ownership: Propiedad
+    axles: Ejes
+    gvwr: Peso bruto máximo
+    payload-capacity: Capacidad de carga
+    length: Longitud
+    refrigerated: Refrigerado
+    created-at: Creado el
+    updated-at: Actualizado el
+  filters:
+    created-between: Creado entre
+    updated-between: Actualizado entre
+    last-online-between: Última conexión entre
+  connections:
+    description: Todos los vehículos a los que se ha enganchado este remolque, del más reciente al más antiguo.
+    ongoing: En curso
+  equipment:
+    description: Equipamiento actualmente conectado a este remolque.
+  telemetry:
+    no-location: Sin ubicación registrada
+  maintenance:
+    interval: Intervalo
+    next-due: Próximo vencimiento
+    code: Código
+    subject: Asunto
+    priority: Prioridad
+    due: Vence
+    summary: Resumen
+    odometer: Odómetro
+    total-cost: Costo total
+    date: Fecha
+  statuses:
+    available: Disponible
+    in_use: En uso
+    maintenance: En mantenimiento
+    out_of_service: Fuera de servicio
+    retired: Retirado
+  status-descriptions:
+    available: Listo para ser despachado o enganchado.
+    in_use: Actualmente en un trabajo o enganchado a un vehículo.
+    maintenance: En servicio, inspección o reparación.
+    out_of_service: No utilizable hasta nuevo aviso.
+    retired: Retirado definitivamente del servicio activo.
+  attachment:
+    attached: Enganchado
+    detached: Desenganchado
+    no-vehicle: No enganchado a ningún vehículo
+  connectivity:
+    online: En línea
+    recently_offline: Recientemente desconectado
+    offline: Desconectado
+    never_connected: Nunca conectado
+  measurement:
+    metric: Métrico
+    imperial: Imperial
+  measurement-descriptions:
+    metric: Metros, kilogramos, metros cúbicos y Celsius.
+    imperial: Pies, libras, pies cúbicos y Fahrenheit.
+  odometer-units:
+    km: Kilómetros
+    mi: Millas
+  coupling-types:
+    fifth_wheel: Quinta rueda
+    pintle_hook: Gancho de remolque
+    ball_hitch: Bola de enganche
+    gooseneck: Cuello de cisne
+    drawbar: Barra de tiro
+    other: Otro
+  brake-types:
+    air: Frenos neumáticos
+    electric: Frenos eléctricos
+    hydraulic_surge: Frenos hidráulicos de inercia
+    none: Sin frenos
+    other: Otro
+  ownership-types:
+    owned: Propio
+    leased: En leasing
+    financed: Financiado
+    rented: Alquilado
+  types:
+    dry_van: Furgón seco
+    reefer: Refrigerado
+    flatbed: Plataforma
+    step_deck: Plataforma escalonada
+    lowboy: Cama baja
+    tanker: Cisterna
+    bulk: Granelero
+    dump: Volquete
+    chassis: Chasis portacontenedores
+    curtain_side: Lona corredera
+    car_carrier: Portavehículos
+    livestock: Ganadero
+    logging: Maderero
+    dolly: Dolly
+    specialty: Especializado
+    other: Otro
diff --git a/translations/fr-fr.yaml b/translations/fr-fr.yaml
index 578cdbfbd..97bb3d3e1 100644
--- a/translations/fr-fr.yaml
+++ b/translations/fr-fr.yaml
@@ -47,6 +47,8 @@ common:
   notes: Notes
   schedule: Schedule
   current-job: Current Job
+  "yes": Oui
+  "no": Non
 menu:
   operations: Opérations
   dashboard: Tableau de bord
@@ -57,6 +59,7 @@ menu:
   resources: Ressources
   drivers: Chauffeurs
   vehicles: Véhicules
+  trailers: Remorques
   fleets: Flottes
   vendors: Fournisseurs
   contacts: Contacts
@@ -87,6 +90,8 @@ menu:
 resource:
   asset: Actif
   assets: Actifs
+  trailer: Remorque
+  trailers: Remorques
   activity: Activité
   activities: Activités
   contact: Contact
@@ -441,6 +446,30 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Actif attaché
+    description: Contexte de flotte pour la télémétrie de cet appareil.
+    open: Ouvrir l'actif
+    asset: Actif attaché
+    synced-device: Appareil synchronisé
+    asset-type: Type d'actif
+    select-asset-type: Sélectionnez un type d'actif
+    locate: Localiser
+    change: Changer d'actif
+    detach: Détacher
+    attached-device: Appareil attaché
+    last-seen: Dernier signal de l'appareil
+    none-title: Aucun actif attaché
+    none-message: Attachez cet appareil à un véhicule ou une remorque pour fournir le contexte de flotte.
+    latest-positions: Positions récentes
+    positions-description: Coordonnées récentes de l'actif transmises par cet appareil.
+    full-history: Historique complet
+    no-positions: Aucune position récente
+    no-positions-message: Cet actif ne possède pas encore d'historique de position récent.
+    attach-or-change: Attacher ou changer d'actif
+    view-attached: Voir l'actif attaché
+    locate-attached: Localiser l'actif attaché sur la carte
+    unknown: Actif inconnu
   fields:
     title: Détails de l'appareil
     device-name: Nom de l'appareil
@@ -475,6 +504,7 @@ device:
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Attacher à un actif
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -484,6 +514,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Attacher l'appareil à un actif
+    select-asset-warning: Sélectionnez un véhicule ou une remorque.
+    attach-to-asset-success: Appareil attaché à l'actif.
+    detach-from-asset-title: "Détacher {deviceName} de l'actif ?"
+    detach-from-asset-body: "Cette action détache {deviceName} de {assetName} et arrête les mises à jour télématiques jusqu'à un nouvel attachement."
+    detach-from-asset-success: Appareil détaché de l'actif.
 entity:
   fields:
     declare: Déclarer
@@ -1039,6 +1075,9 @@ vehicle:
     unassign-orders: Unassign Orders
     create-issue: Create Issue
     locate-vehicle: Localiser le véhicule sur la carte
+    attach-trailer: Atteler une remorque
+    attach-equipment: Attacher un équipement
+    detach-equipment: "Détacher l'équipement"
   prompts:
     attach-device-title: Attach device to {vehicleName}
     select-device-warning: Select a device to attach.
@@ -1050,6 +1089,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "Atteler une remorque à {vehicleName}"
+    select-trailer-warning: Sélectionnez une remorque à atteler à ce véhicule.
+    attach-trailer-success: "{trailerName} attelée à {vehicleName}."
+  empty:
+    trailers: Aucune remorque attelée
+    trailers-description: Attelez une remorque dételée à ce véhicule pour démarrer un attelage.
+    equipment: Aucun équipement attaché
+    equipment-description: Attachez des équipements tels que hayons, outils ou équipements de sécurité à ce véhicule.
+  trailers:
+    description: Remorques actuellement attelées à ce véhicule.
+  equipment:
+    description: Équipements actuellement attachés à ce véhicule.
 vendor:
   fields:
     setup-vendor: Configurer le fournisseur
@@ -1946,3 +1997,352 @@ settings:
       button-continue: Continuer
       button-start: Commencer l'intégration maintenant
       button-in-progress: Intégration en cours
+
+trailer:
+  navigation-description: Gérez les actifs remorqués, les attelages, l'équipement et la télématique.
+  sections:
+    details: Détails
+    identification: Identification de la remorque
+    classification: Classification et statut
+    registration: Immatriculation
+    location: Localisation
+    dimensions: Dimensions et capacité
+    measurement: Mesures et utilisation
+    dimensions-fields: "Dimensions ({unit})"
+    weight: "Poids ({unit})"
+    running-gear: Essieux, freins et attelage
+    refrigeration: Réfrigération
+    ownership: Propriété et finances
+    finance: Informations financières
+    connection: Attelage au véhicule
+    telemetry: Localisation et télématique
+    notes: Notes et historique
+  fields:
+    photo: Photo
+    id: ID
+    name: Nom
+    code: Code
+    description: Description
+    type: Type de remorque
+    body-type: Type de carrosserie
+    color: Couleur
+    status: Statut
+    category: Catégorie
+    vin: VIN
+    plate-number: Immatriculation
+    serial-number: Numéro de série
+    make: Marque
+    model: Modèle
+    year: Année
+    vendor: Fournisseur
+    warranty: Garantie
+    vehicle: Véhicule tracteur
+    attachment-state: État d'attelage
+    attached-at: Attelée depuis
+    position: Position d'attelage
+    source: Source
+    connected-at: Attelée le
+    disconnected-at: Dételée le
+    duration: Durée
+    connectivity: Connectivité
+    last-online: Dernière connexion
+    last-provider: Fournisseur télématique
+    last-event-at: Dernier événement télématique
+    coordinates: Coordonnées
+    speed: Vitesse
+    heading: Cap
+    altitude: Altitude
+    devices-count: Appareils attachés
+    equipment-count: Équipements attachés
+    measurement-system: Système de mesure
+    odometer: "Odomètre / hubodomètre {unit}"
+    odometer-unit: Unité d'odomètre
+    length: "Longueur ({unit})"
+    width: "Largeur ({unit})"
+    height: "Hauteur ({unit})"
+    cargo-volume: "Volume de chargement ({unit})"
+    tare-weight: "Poids à vide ({unit})"
+    gvwr: "PTAC ({unit})"
+    payload-capacity: "Charge utile ({unit})"
+    axle-count: Essieux
+    tire-count: Pneus
+    door-count: Portes
+    coupling-type: Type d'attelage
+    brake-type: Type de freins
+    abs: ABS
+    ebs: EBS
+    refrigerated: Réfrigérée
+    temperature-min: "Température minimale ({unit})"
+    temperature-max: "Température maximale ({unit})"
+    reefer-hours: Heures du groupe frigorifique
+    ownership-type: Propriété
+    financing-status: Statut de financement
+    currency: Devise
+    acquisition-cost: Coût d'acquisition
+    current-value: Valeur actuelle
+    insurance-value: Valeur assurée
+    depreciation-rate: Taux d'amortissement (% par an)
+    purchased-at: Date d'achat
+    lease-expires-at: Fin du contrat de location
+    notes: Notes
+    created-at: Créée le
+    updated-at: Dernière mise à jour
+  placeholders:
+    filter-vendor: Filtrer par fournisseur
+    name: ex. Frigo 12
+    code: Code de flotte interne, ex. TRL-0012
+    description: À quoi sert cette remorque
+    type: Sélectionnez un type de remorque
+    status: Sélectionnez un statut
+    body-type: ex. Fourgon, bâchée, plateau
+    color: ex. Blanc
+    category: Sélectionnez une catégorie (facultatif)
+    vin: VIN à 17 caractères
+    plate-number: Plaque d'immatriculation
+    serial-number: Numéro de série du constructeur
+    make: ex. Utility, Schmitz, Wabash
+    model: ex. 3000R
+    year: ex. 2024
+    vendor: Sélectionnez un fournisseur (facultatif)
+    warranty: Sélectionnez une garantie (facultatif)
+    vehicle: Sélectionnez un véhicule
+    trailer: Sélectionnez une remorque
+    equipment: Sélectionnez un équipement
+    filter-vehicle: Filtrer par véhicule tracteur
+    position: "1"
+    measurement-system: Sélectionnez un système de mesure
+    odometer-unit: Sélectionnez une unité
+    odometer: Relevé actuel
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: ex. 2
+    tire-count: ex. 8
+    door-count: ex. 2
+    coupling-type: Sélectionnez un type d'attelage
+    brake-type: Sélectionnez un type de freins
+    temperature-min: ex. -20
+    temperature-max: ex. 4
+    reefer-hours: Heures du groupe frigorifique
+    ownership-type: Sélectionnez le mode de détention
+    financing-status: ex. Soldé, financé jusqu'en 2028
+    depreciation-rate: ex. 10
+    date: JJ-MM-AAAA
+    notes: Notes internes sur cette remorque
+  help:
+    photo: Téléversez une photo de cette remorque.
+    name: Le nom affiché dans Fleet-Ops. Obligatoire.
+    code: Votre propre référence de flotte pour cette remorque.
+    type: Le type détermine les sections applicables, par exemple la réfrigération pour les frigorifiques.
+    status: Statut du cycle de vie. L'attelage et la connectivité sont suivis séparément.
+    body-type: Description libre de la carrosserie utilisée pour la classification et la recherche.
+    category: Regroupement facultatif partagé avec les autres ressources de flotte.
+    vin: Le numéro d'identification du châssis gravé sur la remorque.
+    coordinates: Dernière position connue ou position de base. Les appareils télématiques la mettent à jour automatiquement.
+    measurement-system: Détermine les unités utilisées pour les dimensions, poids, volume et températures.
+    odometer: Relevé de l'odomètre ou hubodomètre dans l'unité sélectionnée.
+    cargo-volume: Volume de chargement utile de la caisse.
+    tare-weight: Poids de la remorque à vide.
+    gvwr: Poids total autorisé en charge, le poids maximal autorisé chargée.
+    payload-capacity: Poids maximal de marchandises que la remorque peut transporter.
+    coupling-type: Comment la remorque s'attelle au véhicule tracteur.
+    abs: Système de freinage antiblocage installé.
+    ebs: Système de freinage électronique installé.
+    refrigerated: Activez pour les remorques à température dirigée afin d'enregistrer les réglages du groupe frigorifique.
+    temperature: Plage de température de fonctionnement du groupe frigorifique.
+    reefer-hours: Heures de fonctionnement enregistrées sur le groupe frigorifique.
+    ownership-type: Mode de détention de la remorque. Les détails de location et de financement apparaissent le cas échéant.
+    lease-expires-at: Date de fin du contrat de location ou de financement.
+    vendor: Fournisseur ou loueur auprès duquel la remorque a été acquise.
+    warranty: Police de garantie couvrant cette remorque.
+    acquisition-cost: Prix d'achat ou coût capitalisé dans la devise sélectionnée.
+    depreciation-rate: Amortissement annuel utilisé pour estimer la valeur actuelle.
+    attach-vehicle: La remorque sera attelée au véhicule sélectionné. Une remorque ne peut être attelée qu'à un seul véhicule à la fois.
+    select-trailer: Seules les remorques dételées sont listées.
+    select-equipment: Seuls les équipements non attachés sont listés.
+    position: Position d'attelage derrière le véhicule. La position 1 est directement derrière le tracteur ; utilisez 2 ou plus pour les trains routiers.
+  units:
+    length-metric: m
+    length-imperial: ft
+    weight-metric: kg
+    weight-imperial: lb
+    volume-metric: m³
+    volume-imperial: ft³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Nouvelle remorque
+    locate: Localiser sur la carte
+    attach-vehicle: Atteler à un véhicule
+    detach-vehicle: Dételer du véhicule
+    attach-device: Attacher un appareil
+    attach-equipment: Attacher un équipement
+    detach-equipment: Détacher l'équipement
+    schedule-maintenance: Planifier une maintenance
+    create-work-order: Créer un ordre de travail
+    log-maintenance: Consigner une maintenance
+  prompts:
+    attach-vehicle-title: "Atteler {trailerName} à un véhicule"
+    select-vehicle-warning: Sélectionnez un véhicule auquel atteler cette remorque.
+    attach-vehicle-success: "{trailerName} attelée à {vehicleName}."
+    detach-vehicle-title: "Dételer {trailerName} ?"
+    detach-vehicle-body: "Cette action met fin à l'attelage actuel entre {trailerName} et {vehicleName}. L'attelage est conservé dans l'historique de la remorque."
+    detach-vehicle-success: "{trailerName} dételée de {vehicleName}."
+    not-attached-warning: "{trailerName} n'est attelée à aucun véhicule."
+    attach-device-title: "Attacher un appareil à {trailerName}"
+    select-device-warning: Sélectionnez un appareil à attacher à cette remorque.
+    attach-device-success: "Appareil attaché à {trailerName}."
+    attach-equipment-title: "Attacher un équipement à {resourceName}"
+    select-equipment-warning: Sélectionnez un équipement à attacher.
+    attach-equipment-success: "{equipmentName} attaché à {resourceName}."
+    detach-equipment-title: "Détacher {equipmentName} ?"
+    detach-equipment-body: "{equipmentName} ne sera plus attaché à {resourceName}."
+    detach-equipment-success: "{equipmentName} détaché de {resourceName}."
+    no-location-warning: "{trailerName} n'a pas encore de position enregistrée."
+    photo-upload-error: "Impossible de téléverser la photo : {message}"
+  empty:
+    title: Ajoutez votre première remorque
+    description: Les remorques suivent les attelages, les appareils et équipements attachés, la télémétrie en direct et la maintenance de vos actifs remorqués.
+    filtered-title: Aucune remorque ne correspond à vos filtres
+    filtered-description: Ajustez la recherche ou les filtres pour trouver une autre remorque.
+    connections: Aucun historique d'attelage
+    connections-description: Attelez cette remorque à un véhicule pour commencer à enregistrer les attelages.
+    equipment: Aucun équipement attaché
+    equipment-description: Attachez des équipements tels que hayons, sangles ou groupes frigorifiques à cette remorque.
+    schedules: Aucun planning de maintenance
+    schedules-description: Créez un planning pour organiser les inspections ou entretiens récurrents de cette remorque.
+    work-orders: Aucun ordre de travail
+    work-orders-description: Créez un ordre de travail pour suivre les réparations ou entretiens de cette remorque.
+    maintenance: Aucun historique de maintenance
+    maintenance-description: Les maintenances consignées pour cette remorque apparaîtront ici.
+  docs:
+    title: Guide des remorques
+    link: Ouvrir le guide des remorques
+  tabs:
+    overview: Aperçu
+    positions: Positions
+    devices: Appareils
+    equipment: Équipement
+    connections: Historique d'attelage
+    schedules: Plannings
+    work-orders: Ordres de travail
+    maintenance: Maintenance
+  columns:
+    name: Nom
+    id: ID
+    code: Code
+    type: Type
+    plate-number: Immatriculation
+    status: Statut
+    vehicle: Véhicule tracteur
+    attachment-state: Attelage
+    connectivity: Connectivité
+    last-online: Dernière connexion
+    location: Localisation
+    devices: Appareils
+    equipment: Équipement
+    vin: VIN
+    serial-number: Numéro de série
+    make: Marque
+    model: Modèle
+    year: Année
+    vendor: Fournisseur
+    ownership: Propriété
+    axles: Essieux
+    gvwr: PTAC
+    payload-capacity: Charge utile
+    length: Longueur
+    refrigerated: Réfrigérée
+    created-at: Créée le
+    updated-at: Mise à jour le
+  filters:
+    created-between: Créée entre
+    updated-between: Mise à jour entre
+    last-online-between: Dernière connexion entre
+  connections:
+    description: Tous les véhicules auxquels cette remorque a été attelée, du plus récent au plus ancien.
+    ongoing: En cours
+  equipment:
+    description: Équipements actuellement attachés à cette remorque.
+  telemetry:
+    no-location: Aucune position enregistrée
+  maintenance:
+    interval: Intervalle
+    next-due: Prochaine échéance
+    code: Code
+    subject: Objet
+    priority: Priorité
+    due: Échéance
+    summary: Résumé
+    odometer: Odomètre
+    total-cost: Coût total
+    date: Date
+  statuses:
+    available: Disponible
+    in_use: En service
+    maintenance: En maintenance
+    out_of_service: Hors service
+    retired: Retirée
+  status-descriptions:
+    available: Prête à être affectée ou attelée.
+    in_use: Actuellement en mission ou attelée à un véhicule.
+    maintenance: En entretien, inspection ou réparation.
+    out_of_service: Inutilisable jusqu'à nouvel ordre.
+    retired: Définitivement retirée du service actif.
+  attachment:
+    attached: Attelée
+    detached: Dételée
+    no-vehicle: Non attelée à un véhicule
+  connectivity:
+    online: En ligne
+    recently_offline: Récemment hors ligne
+    offline: Hors ligne
+    never_connected: Jamais connectée
+  measurement:
+    metric: Métrique
+    imperial: Impérial
+  measurement-descriptions:
+    metric: Mètres, kilogrammes, mètres cubes et Celsius.
+    imperial: Pieds, livres, pieds cubes et Fahrenheit.
+  odometer-units:
+    km: Kilomètres
+    mi: Miles
+  coupling-types:
+    fifth_wheel: Sellette d'attelage
+    pintle_hook: Crochet d'attelage
+    ball_hitch: Boule d'attelage
+    gooseneck: Col de cygne
+    drawbar: Timon
+    other: Autre
+  brake-types:
+    air: Freins pneumatiques
+    electric: Freins électriques
+    hydraulic_surge: Freins hydrauliques à inertie
+    none: Sans freins
+    other: Autre
+  ownership-types:
+    owned: En propriété
+    leased: En leasing
+    financed: Financée
+    rented: En location
+  types:
+    dry_van: Fourgon sec
+    reefer: Frigorifique
+    flatbed: Plateau
+    step_deck: Plateau surbaissé
+    lowboy: Porte-engins
+    tanker: Citerne
+    bulk: Vrac
+    dump: Benne
+    chassis: Châssis porte-conteneur
+    curtain_side: Bâchée
+    car_carrier: Porte-voitures
+    livestock: Bétaillère
+    logging: Grumier
+    dolly: Dolly
+    specialty: Spécialisée
+    other: Autre
diff --git a/translations/mn-mn.yaml b/translations/mn-mn.yaml
index c85b21db9..8c92ca379 100644
--- a/translations/mn-mn.yaml
+++ b/translations/mn-mn.yaml
@@ -47,6 +47,8 @@ common:
   notes: Notes
   schedule: Schedule
   current-job: Current Job
+  "yes": Тийм
+  "no": Үгүй
 menu:
   operations: Үйл ажиллагаа
   dashboard: Хяналтын самбар
@@ -57,6 +59,7 @@ menu:
   resources: Нөөцүүд
   drivers: Жолооч нар
   vehicles: Тээврийн хэрэгслүүд
+  trailers: Чиргүүлүүд
   fleets: Флийтүүд
   vendors: Нийлүүлэгчид
   contacts: Холбоо барих
@@ -87,6 +90,8 @@ menu:
 resource:
   asset: Хөрөнгө
   assets: Хөрөнгүүд
+  trailer: Чиргүүл
+  trailers: Чиргүүлүүд
   activity: Үйл ажиллагаа
   activities: Үйл ажиллагаанууд
   contact: Холбоо барих
@@ -434,6 +439,30 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Холбогдсон хөрөнгө
+    description: Энэ төхөөрөмжийн телеметрт зориулсан флийтийн нөхцөл.
+    open: Хөрөнгийг нээх
+    asset: Холбогдсон хөрөнгө
+    synced-device: Синк хийсэн төхөөрөмж
+    asset-type: Хөрөнгийн төрөл
+    select-asset-type: Хөрөнгийн төрөл сонгоно уу
+    locate: Байршлыг олох
+    change: Хөрөнгө солих
+    detach: Салгах
+    attached-device: Холбогдсон төхөөрөмж
+    last-seen: Төхөөрөмжийн сүүлийн дохио
+    none-title: Хөрөнгө холбоогүй
+    none-message: Телеметрийн нөхцөл үүсгэхийн тулд төхөөрөмжийг тээврийн хэрэгсэл эсвэл чиргүүлд холбоно уу.
+    latest-positions: Сүүлийн байршлууд
+    positions-description: Энэ төхөөрөмжөөс ирсэн хөрөнгийн сүүлийн координатууд.
+    full-history: Бүтэн түүх
+    no-positions: Сүүлийн байршил алга
+    no-positions-message: Энэ хөрөнгөд сүүлийн байршлын түүх алга.
+    attach-or-change: Хөрөнгө холбох эсвэл солих
+    view-attached: Холбогдсон хөрөнгийг харах
+    locate-attached: Холбогдсон хөрөнгийг газрын зураг дээр олох
+    unknown: Үл мэдэгдэх хөрөнгө
   fields:
     title: Төхөөрөмжийн дэлгэрэнгүй
     device-name: Төхөөрөмжийн нэр
@@ -468,6 +497,7 @@ device:
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Хөрөнгөд холбох
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -477,6 +507,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Төхөөрөмжийг хөрөнгөд холбох
+    select-asset-warning: Тээврийн хэрэгсэл эсвэл чиргүүл сонгоно уу.
+    attach-to-asset-success: Төхөөрөмж хөрөнгөд холбогдлоо.
+    detach-from-asset-title: "{deviceName}-г хөрөнгөөс салгах уу?"
+    detach-from-asset-body: "Энэ нь {deviceName}-г {assetName}-с салгаж, дахин холбох хүртэл телеметрийн шинэчлэлтийг зогсооно."
+    detach-from-asset-success: Төхөөрөмж хөрөнгөөс салгагдлаа.
 entity:
   fields:
     declare: Мэдэгдэх
@@ -1009,6 +1045,9 @@ vehicle:
     unassign-orders: Unassign Orders
     create-issue: Create Issue
     locate-vehicle: Тээврийн хэрэгслийг газрын зураг дээр олох
+    attach-trailer: Чиргүүл холбох
+    attach-equipment: Тоног төхөөрөмж холбох
+    detach-equipment: Тоног төхөөрөмж салгах
   prompts:
     attach-device-title: Attach device to {vehicleName}
     select-device-warning: Select a device to attach.
@@ -1020,6 +1059,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "{vehicleName}-д чиргүүл холбох"
+    select-trailer-warning: Энэ тээврийн хэрэгсэлтэй холбох чиргүүлийг сонгоно уу.
+    attach-trailer-success: "{trailerName}-г {vehicleName}-тэй холболоо."
+  empty:
+    trailers: Холбогдсон чиргүүл алга
+    trailers-description: Холболт эхлүүлэхийн тулд салгасан чиргүүлийг энэ тээврийн хэрэгсэлтэй холбоно уу.
+    equipment: Холбогдсон тоног төхөөрөмж алга
+    equipment-description: Энэ тээврийн хэрэгсэлд өргөгч, багаж хэрэгсэл эсвэл аюулгүй байдлын хэрэгсэл зэрэг тоног төхөөрөмж холбоно уу.
+  trailers:
+    description: Одоо энэ тээврийн хэрэгсэлтэй холбогдсон чиргүүлүүд.
+  equipment:
+    description: Одоо энэ тээврийн хэрэгсэлд холбогдсон тоног төхөөрөмж.
 vendor:
   fields:
     setup-vendor: Нийлүүлэгчийг тохируулах
@@ -1890,3 +1941,352 @@ settings:
       button-continue: Үргэлжлүүлэх
       button-start: Одоо бүртгэл эхлүүлэх
       button-in-progress: Бүртгэл явагдаж байна
+
+trailer:
+  navigation-description: Чиргүүл хөрөнгө, холболт, тоног төхөөрөмж болон телематикийг удирдах.
+  sections:
+    details: Дэлгэрэнгүй
+    identification: Чиргүүлийн таних мэдээлэл
+    classification: Ангилал ба төлөв
+    registration: Бүртгэл
+    location: Байршил
+    dimensions: Хэмжээ ба даац
+    measurement: Хэмжих нэгж ба ашиглалт
+    dimensions-fields: "Хэмжээ ({unit})"
+    weight: "Жин ({unit})"
+    running-gear: Тэнхлэг, тоормос, холбоос
+    refrigeration: Хөргөлт
+    ownership: Өмчлөл ба санхүү
+    finance: Санхүүгийн мэдээлэл
+    connection: Тээврийн хэрэгсэлтэй холболт
+    telemetry: Байршил ба телематик
+    notes: Тэмдэглэл ба түүх
+  fields:
+    photo: Зураг
+    id: ID
+    name: Нэр
+    code: Код
+    description: Тайлбар
+    type: Чиргүүлийн төрөл
+    body-type: Тэвшний төрөл
+    color: Өнгө
+    status: Төлөв
+    category: Ангилал
+    vin: VIN
+    plate-number: Улсын дугаар
+    serial-number: Серийн дугаар
+    make: Үйлдвэрлэгч
+    model: Загвар
+    year: Он
+    vendor: Нийлүүлэгч
+    warranty: Баталгаа
+    vehicle: Чирэгч тээврийн хэрэгсэл
+    attachment-state: Холболтын төлөв
+    attached-at: Холбогдсоноос хойш
+    position: Чирэх байрлал
+    source: Эх сурвалж
+    connected-at: Холбогдсон огноо
+    disconnected-at: Салгасан огноо
+    duration: Үргэлжилсэн хугацаа
+    connectivity: Холбоо
+    last-online: Сүүлд онлайн байсан
+    last-provider: Телематикийн үйлчилгээ үзүүлэгч
+    last-event-at: Сүүлийн телематик үйл явдал
+    coordinates: Координат
+    speed: Хурд
+    heading: Чиглэл
+    altitude: Өндөр
+    devices-count: Холбогдсон төхөөрөмж
+    equipment-count: Холбогдсон тоног төхөөрөмж
+    measurement-system: Хэмжих систем
+    odometer: "Одометр / хабометр {unit}"
+    odometer-unit: Одометрийн нэгж
+    length: "Урт ({unit})"
+    width: "Өргөн ({unit})"
+    height: "Өндөр ({unit})"
+    cargo-volume: "Ачааны эзлэхүүн ({unit})"
+    tare-weight: "Хоосон жин ({unit})"
+    gvwr: "Зөвшөөрөгдөх нийт жин ({unit})"
+    payload-capacity: "Даац ({unit})"
+    axle-count: Тэнхлэг
+    tire-count: Дугуй
+    door-count: Хаалга
+    coupling-type: Холбоосын төрөл
+    brake-type: Тоормосны төрөл
+    abs: ABS
+    ebs: EBS
+    refrigerated: Хөргөлттэй
+    temperature-min: "Хамгийн бага температур ({unit})"
+    temperature-max: "Хамгийн их температур ({unit})"
+    reefer-hours: Хөргөгчийн мотоцаг
+    ownership-type: Өмчлөл
+    financing-status: Санхүүжилтийн төлөв
+    currency: Валют
+    acquisition-cost: Худалдан авсан үнэ
+    current-value: Одоогийн үнэ цэнэ
+    insurance-value: Даатгалын үнэлгээ
+    depreciation-rate: Элэгдлийн хувь (жилд %)
+    purchased-at: Худалдан авсан огноо
+    lease-expires-at: Түрээс дуусах огноо
+    notes: Тэмдэглэл
+    created-at: Үүсгэсэн
+    updated-at: Сүүлд шинэчилсэн
+  placeholders:
+    filter-vendor: Нийлүүлэгчээр шүүх
+    name: ж. Хөргүүртэй чиргүүл 12
+    code: Дотоод паркийн код, ж. TRL-0012
+    description: Энэ чиргүүлийг юунд ашигладаг вэ
+    type: Чиргүүлийн төрөл сонгох
+    status: Төлөв сонгох
+    body-type: ж. Битүү, брезент, тавцан
+    color: ж. Цагаан
+    category: Ангилал сонгох (заавал биш)
+    vin: 17 тэмдэгттэй VIN
+    plate-number: Улсын дугаарын тэмдэг
+    serial-number: Үйлдвэрлэгчийн серийн дугаар
+    make: ж. Schmitz, Krone, Wabash
+    model: ж. 3000R
+    year: ж. 2024
+    vendor: Нийлүүлэгч сонгох (заавал биш)
+    warranty: Баталгаа сонгох (заавал биш)
+    vehicle: Тээврийн хэрэгсэл сонгох
+    trailer: Чиргүүл сонгох
+    equipment: Тоног төхөөрөмж сонгох
+    filter-vehicle: Чирэгч тээврийн хэрэгслээр шүүх
+    position: "1"
+    measurement-system: Хэмжих систем сонгох
+    odometer-unit: Нэгж сонгох
+    odometer: Одоогийн заалт
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: ж. 2
+    tire-count: ж. 8
+    door-count: ж. 2
+    coupling-type: Холбоосын төрөл сонгох
+    brake-type: Тоормосны төрөл сонгох
+    temperature-min: ж. -20
+    temperature-max: ж. 4
+    reefer-hours: Хөргөгчийн ажилласан цаг
+    ownership-type: Өмчлөлийн хэлбэр сонгох
+    financing-status: ж. Төлж дууссан, 2028 он хүртэл зээлтэй
+    depreciation-rate: ж. 10
+    date: ӨӨ-СС-ЖЖЖЖ
+    notes: Энэ чиргүүлийн тухай дотоод тэмдэглэл
+  help:
+    photo: Энэ чиргүүлийн зургийг оруулна уу.
+    name: Fleet-Ops-д харагдах нэр. Заавал.
+    code: Энэ чиргүүлд зориулсан таны паркийн лавлах код.
+    type: Төрөл нь хамаарах хэсгүүдийг тодорхойлно, жишээ нь хөргүүртэй чиргүүлд хөргөлт.
+    status: Амьдралын мөчлөгийн төлөв. Холболт ба холбоог тусад нь хянана.
+    body-type: Ангилал, хайлтад ашиглах тэвшний чөлөөт тайлбар.
+    category: Бусад паркийн нөөцтэй хуваалцах заавал биш бүлэглэл.
+    vin: Чиргүүл дээр дарсан явах эд ангийн таних дугаар.
+    coordinates: Сүүлд мэдэгдэж байсан эсвэл үндсэн байршил. Телематик төхөөрөмж автоматаар шинэчилнэ.
+    measurement-system: Хэмжээ, жин, эзлэхүүн, температурын нэгжийг тодорхойлно.
+    odometer: Сонгосон нэгжээр одометр эсвэл хабометрийн заалт.
+    cargo-volume: Тэвшний ашигтай ачааны эзлэхүүн.
+    tare-weight: Хоосон чиргүүлийн жин.
+    gvwr: Зөвшөөрөгдөх нийт жин, ачаатай үеийн хамгийн их зөвшөөрөгдөх жин.
+    payload-capacity: Чиргүүлийн тээвэрлэж болох ачааны хамгийн их жин.
+    coupling-type: Чиргүүл чирэгч тээврийн хэрэгсэлтэй хэрхэн холбогдох.
+    abs: Түгжигдэхээс хамгаалах тоормосны систем суурилуулсан.
+    ebs: Цахим тоормосны систем суурилуулсан.
+    refrigerated: Температур хянадаг чиргүүлд хөргөгчийн тохиргоог бүртгэхийн тулд идэвхжүүлнэ.
+    temperature: Хөргөгчийн ажлын температурын хүрээ.
+    reefer-hours: Хөргөх төхөөрөмж дээр бүртгэгдсэн ажилласан цаг.
+    ownership-type: Энэ чиргүүлийг хэрхэн эзэмшиж байгаа. Түрээс, санхүүжилтийн мэдээлэл шаардлагатай үед харагдана.
+    lease-expires-at: Түрээс, түрээслэлт эсвэл санхүүжилтийн гэрээ дуусах хугацаа.
+    vendor: Чиргүүлийг авсан нийлүүлэгч эсвэл түрээслүүлэгч.
+    warranty: Энэ чиргүүлийг хамарсан баталгааны бодлого.
+    acquisition-cost: Сонгосон валютаар худалдан авсан үнэ эсвэл капиталжуулсан өртөг.
+    depreciation-rate: Одоогийн үнэ цэнийг тооцоход ашиглах жилийн элэгдэл.
+    attach-vehicle: Чиргүүлийг сонгосон тээврийн хэрэгсэлтэй холбоно. Чиргүүл нэг удаад зөвхөн нэг тээврийн хэрэгсэлтэй холбогдож болно.
+    select-trailer: Зөвхөн салгасан чиргүүлүүд жагсаана.
+    select-equipment: Зөвхөн холбогдоогүй тоног төхөөрөмж жагсаана.
+    position: Тээврийн хэрэгслийн ард чирэх байрлал. 1-р байрлал нь чирэгчийн шууд ард; галт тэрэгний хувьд 2 ба түүнээс дээшийг ашиглана.
+  units:
+    length-metric: м
+    length-imperial: фут
+    weight-metric: кг
+    weight-imperial: фунт
+    volume-metric: м³
+    volume-imperial: фут³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Шинэ чиргүүл
+    locate: Газрын зураг дээр харах
+    attach-vehicle: Тээврийн хэрэгсэлтэй холбох
+    detach-vehicle: Тээврийн хэрэгслээс салгах
+    attach-device: Төхөөрөмж холбох
+    attach-equipment: Тоног төхөөрөмж холбох
+    detach-equipment: Тоног төхөөрөмж салгах
+    schedule-maintenance: Засвар үйлчилгээ төлөвлөх
+    create-work-order: Ажлын захиалга үүсгэх
+    log-maintenance: Засвар үйлчилгээ бүртгэх
+  prompts:
+    attach-vehicle-title: "{trailerName}-г тээврийн хэрэгсэлтэй холбох"
+    select-vehicle-warning: Энэ чиргүүлийг холбох тээврийн хэрэгслийг сонгоно уу.
+    attach-vehicle-success: "{trailerName}-г {vehicleName}-тэй холболоо."
+    detach-vehicle-title: "{trailerName}-г салгах уу?"
+    detach-vehicle-body: "Энэ нь {trailerName} ба {vehicleName} хоорондын одоогийн холболтыг дуусгана. Холболт чиргүүлийн түүхэнд хадгалагдана."
+    detach-vehicle-success: "{trailerName}-г {vehicleName}-с салгалаа."
+    not-attached-warning: "{trailerName} ямар ч тээврийн хэрэгсэлтэй холбогдоогүй байна."
+    attach-device-title: "{trailerName}-д төхөөрөмж холбох"
+    select-device-warning: Энэ чиргүүлд холбох төхөөрөмжийг сонгоно уу.
+    attach-device-success: "Төхөөрөмжийг {trailerName}-д холболоо."
+    attach-equipment-title: "{resourceName}-д тоног төхөөрөмж холбох"
+    select-equipment-warning: Холбох тоног төхөөрөмжийг сонгоно уу.
+    attach-equipment-success: "{equipmentName}-г {resourceName}-д холболоо."
+    detach-equipment-title: "{equipmentName}-г салгах уу?"
+    detach-equipment-body: "{equipmentName} нь {resourceName}-д холбогдохгүй болно."
+    detach-equipment-success: "{equipmentName}-г {resourceName}-с салгалаа."
+    no-location-warning: "{trailerName} одоогоор бүртгэгдсэн байршилгүй байна."
+    photo-upload-error: "Зураг оруулж чадсангүй: {message}"
+  empty:
+    title: Анхны чиргүүлээ нэмнэ үү
+    description: Чиргүүл нь холболт, холбогдсон төхөөрөмж ба тоног төхөөрөмж, шууд телематик, засвар үйлчилгээг хянана.
+    filtered-title: Шүүлтүүрт тохирох чиргүүл алга
+    filtered-description: Өөр чиргүүл олохын тулд хайлт эсвэл шүүлтүүрийг өөрчилнө үү.
+    connections: Холболтын түүх алга
+    connections-description: Холболт бүртгэж эхлэхийн тулд энэ чиргүүлийг тээврийн хэрэгсэлтэй холбоно уу.
+    equipment: Холбогдсон тоног төхөөрөмж алга
+    equipment-description: Энэ чиргүүлд өргөгч, оосор эсвэл хөргөгч зэрэг тоног төхөөрөмж холбоно уу.
+    schedules: Засвар үйлчилгээний хуваарь алга
+    schedules-description: Энэ чиргүүлийн тогтмол үзлэг, үйлчилгээг төлөвлөхийн тулд хуваарь үүсгэнэ үү.
+    work-orders: Ажлын захиалга алга
+    work-orders-description: Энэ чиргүүлийн засвар, үйлчилгээг хянахын тулд ажлын захиалга үүсгэнэ үү.
+    maintenance: Засвар үйлчилгээний түүх алга
+    maintenance-description: Энэ чиргүүлд бүртгэсэн засвар үйлчилгээ энд харагдана.
+  docs:
+    title: Чиргүүлийн гарын авлага
+    link: Чиргүүлийн гарын авлагыг нээх
+  tabs:
+    overview: Тойм
+    positions: Байршил
+    devices: Төхөөрөмж
+    equipment: Тоног төхөөрөмж
+    connections: Холболтын түүх
+    schedules: Хуваарь
+    work-orders: Ажлын захиалга
+    maintenance: Засвар үйлчилгээ
+  columns:
+    name: Нэр
+    id: ID
+    code: Код
+    type: Төрөл
+    plate-number: Улсын дугаар
+    status: Төлөв
+    vehicle: Чирэгч тээврийн хэрэгсэл
+    attachment-state: Холболт
+    connectivity: Холбоо
+    last-online: Сүүлд онлайн байсан
+    location: Байршил
+    devices: Төхөөрөмж
+    equipment: Тоног төхөөрөмж
+    vin: VIN
+    serial-number: Серийн дугаар
+    make: Үйлдвэрлэгч
+    model: Загвар
+    year: Он
+    vendor: Нийлүүлэгч
+    ownership: Өмчлөл
+    axles: Тэнхлэг
+    gvwr: Зөвшөөрөгдөх нийт жин
+    payload-capacity: Даац
+    length: Урт
+    refrigerated: Хөргөлттэй
+    created-at: Үүсгэсэн
+    updated-at: Шинэчилсэн
+  filters:
+    created-between: Үүсгэсэн хугацаа
+    updated-between: Шинэчилсэн хугацаа
+    last-online-between: Сүүлд онлайн байсан хугацаа
+  connections:
+    description: Энэ чиргүүлтэй холбогдож байсан бүх тээврийн хэрэгсэл, хамгийн сүүлийнхээс эхлэн.
+    ongoing: Үргэлжилж байна
+  equipment:
+    description: Одоо энэ чиргүүлд холбогдсон тоног төхөөрөмж.
+  telemetry:
+    no-location: Байршил бүртгэгдээгүй
+  maintenance:
+    interval: Давтамж
+    next-due: Дараагийн хугацаа
+    code: Код
+    subject: Сэдэв
+    priority: Чухал зэрэг
+    due: Хугацаа
+    summary: Хураангуй
+    odometer: Одометр
+    total-cost: Нийт зардал
+    date: Огноо
+  statuses:
+    available: Бэлэн
+    in_use: Ашиглагдаж байна
+    maintenance: Засварт байна
+    out_of_service: Ашиглалтаас гарсан
+    retired: Хасагдсан
+  status-descriptions:
+    available: Хуваарилах эсвэл холбоход бэлэн.
+    in_use: Одоогоор ажил гүйцэтгэж байгаа эсвэл тээврийн хэрэгсэлтэй холбогдсон.
+    maintenance: Үйлчилгээ, үзлэг эсвэл засварт байна.
+    out_of_service: Дараагийн мэдэгдэл хүртэл ашиглах боломжгүй.
+    retired: Идэвхтэй ашиглалтаас бүрмөсөн хасагдсан.
+  attachment:
+    attached: Холбогдсон
+    detached: Салгасан
+    no-vehicle: Тээврийн хэрэгсэлтэй холбогдоогүй
+  connectivity:
+    online: Онлайн
+    recently_offline: Саяхан офлайн болсон
+    offline: Офлайн
+    never_connected: Хэзээ ч холбогдоогүй
+  measurement:
+    metric: Метрийн
+    imperial: Империал
+  measurement-descriptions:
+    metric: Метр, килограмм, куб метр, Цельс.
+    imperial: Фут, фунт, куб фут, Фаренгейт.
+  odometer-units:
+    km: Километр
+    mi: Миль
+  coupling-types:
+    fifth_wheel: Эмээл холбоос
+    pintle_hook: Дэгээ холбоос
+    ball_hitch: Бөмбөлөг холбоос
+    gooseneck: Галуун хүзүү
+    drawbar: Чирэгч татуурга
+    other: Бусад
+  brake-types:
+    air: Хийн тоормос
+    electric: Цахилгаан тоормос
+    hydraulic_surge: Гидравлик инерцийн тоормос
+    none: Тоормосгүй
+    other: Бусад
+  ownership-types:
+    owned: Өөрийн
+    leased: Лизингийн
+    financed: Зээлийн
+    rented: Түрээсийн
+  types:
+    dry_van: Битүү тэвш
+    reefer: Хөргүүртэй
+    flatbed: Тавцан
+    step_deck: Шаталсан тавцан
+    lowboy: Нам тавцан
+    tanker: Цистерн
+    bulk: Задгай ачаа
+    dump: Өөрөө буулгагч
+    chassis: Чингэлэг тээвэрлэгч
+    curtain_side: Брезентэн
+    car_carrier: Автомашин тээвэрлэгч
+    livestock: Мал тээвэрлэгч
+    logging: Мод тээвэрлэгч
+    dolly: Долли
+    specialty: Тусгай зориулалтын
+    other: Бусад
diff --git a/translations/pt-br.yaml b/translations/pt-br.yaml
index 208913d3c..388eda1c9 100644
--- a/translations/pt-br.yaml
+++ b/translations/pt-br.yaml
@@ -47,6 +47,8 @@ common:
   notes: Notes
   schedule: Schedule
   current-job: Current Job
+  "yes": Sim
+  "no": Não
 menu:
   operations: Operações
   dashboard: Painel
@@ -57,6 +59,7 @@ menu:
   resources: Recursos
   drivers: Motoristas
   vehicles: Veículos
+  trailers: Reboques
   fleets: Frotas
   vendors: Fornecedores
   contacts: Contatos
@@ -87,6 +90,8 @@ menu:
 resource:
   asset: Ativo
   assets: Ativos
+  trailer: Reboque
+  trailers: Reboques
   activity: Atividade
   activities: Atividades
   contact: Contato
@@ -436,6 +441,30 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Ativo conectado
+    description: Contexto da frota para a telemetria deste dispositivo.
+    open: Abrir ativo
+    asset: Ativo conectado
+    synced-device: Dispositivo sincronizado
+    asset-type: Tipo de ativo
+    select-asset-type: Selecione um tipo de ativo
+    locate: Localizar
+    change: Alterar ativo
+    detach: Desconectar
+    attached-device: Dispositivo conectado
+    last-seen: Último sinal do dispositivo
+    none-title: Nenhum ativo conectado
+    none-message: Conecte este dispositivo a um veículo ou reboque para fornecer contexto à telemetria.
+    latest-positions: Posições recentes
+    positions-description: Coordenadas recentes do ativo recebidas por este dispositivo.
+    full-history: Histórico completo
+    no-positions: Sem posições recentes
+    no-positions-message: Este ativo ainda não possui histórico de posições recente.
+    attach-or-change: Conectar ou alterar ativo
+    view-attached: Ver ativo conectado
+    locate-attached: Localizar ativo conectado no mapa
+    unknown: Ativo desconhecido
   fields:
     title: Detalhes do Dispositivo
     device-name: Nome do Dispositivo
@@ -470,6 +499,7 @@ device:
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Conectar ao ativo
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -479,6 +509,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Conectar dispositivo ao ativo
+    select-asset-warning: Selecione um veículo ou reboque.
+    attach-to-asset-success: Dispositivo conectado ao ativo.
+    detach-from-asset-title: "Desconectar {deviceName} do ativo?"
+    detach-from-asset-body: "Isso desconecta {deviceName} de {assetName} e interrompe as atualizações telemáticas até uma nova conexão."
+    detach-from-asset-success: Dispositivo desconectado do ativo.
 entity:
   fields:
     declare: Declarar
@@ -1017,6 +1053,9 @@ vehicle:
     unassign-orders: Unassign Orders
     create-issue: Create Issue
     locate-vehicle: Localizar Veículo no Mapa
+    attach-trailer: Engatar reboque
+    attach-equipment: Conectar equipamento
+    detach-equipment: Desconectar equipamento
   prompts:
     attach-device-title: Attach device to {vehicleName}
     select-device-warning: Select a device to attach.
@@ -1028,6 +1067,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "Engatar um reboque a {vehicleName}"
+    select-trailer-warning: Selecione um reboque para engatar a este veículo.
+    attach-trailer-success: "{trailerName} engatado a {vehicleName}."
+  empty:
+    trailers: Nenhum reboque engatado
+    trailers-description: Engate um reboque desengatado a este veículo para iniciar um engate.
+    equipment: Nenhum equipamento conectado
+    equipment-description: Conecte equipamentos como plataformas elevatórias, ferramentas ou itens de segurança a este veículo.
+  trailers:
+    description: Reboques atualmente engatados a este veículo.
+  equipment:
+    description: Equipamentos atualmente conectados a este veículo.
 vendor:
   fields:
     setup-vendor: Configurar Fornecedor
@@ -1911,3 +1962,352 @@ settings:
       button-continue: Continuar
       button-start: Iniciar integração agora
       button-in-progress: Integração em andamento
+
+trailer:
+  navigation-description: Gerencie ativos rebocados, engates, equipamentos e telemática.
+  sections:
+    details: Detalhes
+    identification: Identificação do reboque
+    classification: Classificação e status
+    registration: Registro
+    location: Localização
+    dimensions: Dimensões e capacidade
+    measurement: Medição e uso
+    dimensions-fields: "Dimensões ({unit})"
+    weight: "Peso ({unit})"
+    running-gear: Eixos, freios e engate
+    refrigeration: Refrigeração
+    ownership: Propriedade e finanças
+    finance: Dados financeiros
+    connection: Engate ao veículo
+    telemetry: Localização e telemática
+    notes: Observações e histórico
+  fields:
+    photo: Foto
+    id: ID
+    name: Nome
+    code: Código
+    description: Descrição
+    type: Tipo de reboque
+    body-type: Tipo de carroceria
+    color: Cor
+    status: Status
+    category: Categoria
+    vin: Chassi (VIN)
+    plate-number: Placa
+    serial-number: Número de série
+    make: Fabricante
+    model: Modelo
+    year: Ano
+    vendor: Fornecedor
+    warranty: Garantia
+    vehicle: Veículo tracionador
+    attachment-state: Estado do engate
+    attached-at: Engatado desde
+    position: Posição de reboque
+    source: Origem
+    connected-at: Engatado em
+    disconnected-at: Desengatado em
+    duration: Duração
+    connectivity: Conectividade
+    last-online: Última conexão
+    last-provider: Provedor telemático
+    last-event-at: Último evento telemático
+    coordinates: Coordenadas
+    speed: Velocidade
+    heading: Direção
+    altitude: Altitude
+    devices-count: Dispositivos conectados
+    equipment-count: Equipamentos conectados
+    measurement-system: Sistema de medição
+    odometer: "Odômetro / hubodômetro {unit}"
+    odometer-unit: Unidade do odômetro
+    length: "Comprimento ({unit})"
+    width: "Largura ({unit})"
+    height: "Altura ({unit})"
+    cargo-volume: "Volume de carga ({unit})"
+    tare-weight: "Tara ({unit})"
+    gvwr: "PBT ({unit})"
+    payload-capacity: "Capacidade de carga ({unit})"
+    axle-count: Eixos
+    tire-count: Pneus
+    door-count: Portas
+    coupling-type: Tipo de engate
+    brake-type: Tipo de freio
+    abs: ABS
+    ebs: EBS
+    refrigerated: Refrigerado
+    temperature-min: "Temperatura mínima ({unit})"
+    temperature-max: "Temperatura máxima ({unit})"
+    reefer-hours: Horas do equipamento de refrigeração
+    ownership-type: Propriedade
+    financing-status: Status do financiamento
+    currency: Moeda
+    acquisition-cost: Custo de aquisição
+    current-value: Valor atual
+    insurance-value: Valor segurado
+    depreciation-rate: Taxa de depreciação (% ao ano)
+    purchased-at: Data de compra
+    lease-expires-at: Vencimento do leasing
+    notes: Observações
+    created-at: Criado em
+    updated-at: Última atualização
+  placeholders:
+    filter-vendor: Filtrar por fornecedor
+    name: ex. Refrigerado 12
+    code: Código interno da frota, ex. TRL-0012
+    description: Para que este reboque é usado
+    type: Selecione um tipo de reboque
+    status: Selecione um status
+    body-type: ex. Baú, sider, plataforma
+    color: ex. Branco
+    category: Selecione uma categoria (opcional)
+    vin: VIN com 17 caracteres
+    plate-number: Placa de registro
+    serial-number: Número de série do fabricante
+    make: ex. Randon, Schmitz, Wabash
+    model: ex. 3000R
+    year: ex. 2024
+    vendor: Selecione um fornecedor (opcional)
+    warranty: Selecione uma garantia (opcional)
+    vehicle: Selecione um veículo
+    trailer: Selecione um reboque
+    equipment: Selecione um equipamento
+    filter-vehicle: Filtrar por veículo tracionador
+    position: "1"
+    measurement-system: Selecione um sistema de medição
+    odometer-unit: Selecione uma unidade
+    odometer: Leitura atual
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: ex. 2
+    tire-count: ex. 8
+    door-count: ex. 2
+    coupling-type: Selecione um tipo de engate
+    brake-type: Selecione um tipo de freio
+    temperature-min: ex. -20
+    temperature-max: ex. 4
+    reefer-hours: Horas do equipamento de refrigeração
+    ownership-type: Selecione o tipo de propriedade
+    financing-status: ex. Quitado, financiado até 2028
+    depreciation-rate: ex. 10
+    date: DD-MM-AAAA
+    notes: Observações internas sobre este reboque
+  help:
+    photo: Envie uma foto deste reboque.
+    name: O nome exibido no Fleet-Ops. Obrigatório.
+    code: Sua própria referência de frota para este reboque.
+    type: O tipo define quais seções se aplicam, por exemplo refrigeração para reboques refrigerados.
+    status: Status do ciclo de vida. Engate e conectividade são acompanhados separadamente.
+    body-type: Descrição livre da carroceria usada para classificação e busca.
+    category: Agrupamento opcional compartilhado com outros recursos da frota.
+    vin: O número de identificação do chassi gravado no reboque.
+    coordinates: Última posição conhecida ou posição base. Dispositivos telemáticos a atualizam automaticamente.
+    measurement-system: Define as unidades usadas para dimensões, pesos, volume e temperaturas.
+    odometer: Leitura do odômetro ou hubodômetro na unidade selecionada.
+    cargo-volume: Volume útil de carga da carroceria.
+    tare-weight: Peso do reboque vazio.
+    gvwr: Peso bruto total, o peso máximo permitido carregado.
+    payload-capacity: Peso máximo de carga que o reboque pode transportar.
+    coupling-type: Como o reboque se engata ao veículo tracionador.
+    abs: Sistema de freios antitravamento instalado.
+    ebs: Sistema de freios eletrônico instalado.
+    refrigerated: Ative para reboques com temperatura controlada para registrar as configurações de refrigeração.
+    temperature: Faixa de temperatura de operação do equipamento de refrigeração.
+    reefer-hours: Horas de funcionamento registradas no equipamento de refrigeração.
+    ownership-type: Como este reboque é mantido. Detalhes de leasing e financiamento aparecem quando aplicável.
+    lease-expires-at: Quando o contrato de leasing, aluguel ou financiamento termina.
+    vendor: Fornecedor ou locador de onde o reboque foi adquirido.
+    warranty: Apólice de garantia que cobre este reboque.
+    acquisition-cost: Preço de compra ou custo capitalizado na moeda selecionada.
+    depreciation-rate: Depreciação anual usada para estimar o valor atual.
+    attach-vehicle: O reboque será engatado ao veículo selecionado. Um reboque só pode estar engatado a um veículo por vez.
+    select-trailer: Apenas reboques desengatados são listados.
+    select-equipment: Apenas equipamentos não conectados são listados.
+    position: Posição de reboque atrás do veículo. A posição 1 fica logo atrás do cavalo mecânico; use 2 ou mais para composições rodoviárias.
+  units:
+    length-metric: m
+    length-imperial: ft
+    weight-metric: kg
+    weight-imperial: lb
+    volume-metric: m³
+    volume-imperial: ft³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Novo reboque
+    locate: Localizar no mapa
+    attach-vehicle: Engatar a um veículo
+    detach-vehicle: Desengatar do veículo
+    attach-device: Conectar dispositivo
+    attach-equipment: Conectar equipamento
+    detach-equipment: Desconectar equipamento
+    schedule-maintenance: Agendar manutenção
+    create-work-order: Criar ordem de serviço
+    log-maintenance: Registrar manutenção
+  prompts:
+    attach-vehicle-title: "Engatar {trailerName} a um veículo"
+    select-vehicle-warning: Selecione um veículo para engatar este reboque.
+    attach-vehicle-success: "{trailerName} engatado a {vehicleName}."
+    detach-vehicle-title: "Desengatar {trailerName}?"
+    detach-vehicle-body: "Isso encerra o engate atual entre {trailerName} e {vehicleName}. O engate é mantido no histórico do reboque."
+    detach-vehicle-success: "{trailerName} desengatado de {vehicleName}."
+    not-attached-warning: "{trailerName} não está engatado a nenhum veículo."
+    attach-device-title: "Conectar um dispositivo a {trailerName}"
+    select-device-warning: Selecione um dispositivo para conectar a este reboque.
+    attach-device-success: "Dispositivo conectado a {trailerName}."
+    attach-equipment-title: "Conectar equipamento a {resourceName}"
+    select-equipment-warning: Selecione o equipamento a conectar.
+    attach-equipment-success: "{equipmentName} conectado a {resourceName}."
+    detach-equipment-title: "Desconectar {equipmentName}?"
+    detach-equipment-body: "{equipmentName} deixará de estar conectado a {resourceName}."
+    detach-equipment-success: "{equipmentName} desconectado de {resourceName}."
+    no-location-warning: "{trailerName} ainda não possui localização registrada."
+    photo-upload-error: "Não foi possível enviar a foto: {message}"
+  empty:
+    title: Adicione seu primeiro reboque
+    description: Reboques acompanham engates, dispositivos e equipamentos conectados, telemetria ao vivo e manutenção dos seus ativos rebocados.
+    filtered-title: Nenhum reboque corresponde aos seus filtros
+    filtered-description: Ajuste a busca ou os filtros para encontrar outro reboque.
+    connections: Sem histórico de engates
+    connections-description: Engate este reboque a um veículo para começar a registrar engates.
+    equipment: Nenhum equipamento conectado
+    equipment-description: Conecte equipamentos como plataformas elevatórias, cintas ou unidades de refrigeração a este reboque.
+    schedules: Sem programações de manutenção
+    schedules-description: Crie uma programação para planejar inspeções ou serviços recorrentes deste reboque.
+    work-orders: Sem ordens de serviço
+    work-orders-description: Abra uma ordem de serviço para acompanhar reparos ou serviços deste reboque.
+    maintenance: Sem histórico de manutenção
+    maintenance-description: As manutenções registradas para este reboque aparecerão aqui.
+  docs:
+    title: Guia de reboques
+    link: Abrir o guia de reboques
+  tabs:
+    overview: Visão geral
+    positions: Posições
+    devices: Dispositivos
+    equipment: Equipamentos
+    connections: Histórico de engates
+    schedules: Programações
+    work-orders: Ordens de serviço
+    maintenance: Manutenção
+  columns:
+    name: Nome
+    id: ID
+    code: Código
+    type: Tipo
+    plate-number: Placa
+    status: Status
+    vehicle: Veículo tracionador
+    attachment-state: Engate
+    connectivity: Conectividade
+    last-online: Última conexão
+    location: Localização
+    devices: Dispositivos
+    equipment: Equipamentos
+    vin: Chassi (VIN)
+    serial-number: Número de série
+    make: Fabricante
+    model: Modelo
+    year: Ano
+    vendor: Fornecedor
+    ownership: Propriedade
+    axles: Eixos
+    gvwr: PBT
+    payload-capacity: Capacidade de carga
+    length: Comprimento
+    refrigerated: Refrigerado
+    created-at: Criado em
+    updated-at: Atualizado em
+  filters:
+    created-between: Criado entre
+    updated-between: Atualizado entre
+    last-online-between: Última conexão entre
+  connections:
+    description: Todos os veículos aos quais este reboque foi engatado, do mais recente ao mais antigo.
+    ongoing: Em andamento
+  equipment:
+    description: Equipamentos atualmente conectados a este reboque.
+  telemetry:
+    no-location: Nenhuma localização registrada
+  maintenance:
+    interval: Intervalo
+    next-due: Próximo vencimento
+    code: Código
+    subject: Assunto
+    priority: Prioridade
+    due: Vencimento
+    summary: Resumo
+    odometer: Odômetro
+    total-cost: Custo total
+    date: Data
+  statuses:
+    available: Disponível
+    in_use: Em uso
+    maintenance: Em manutenção
+    out_of_service: Fora de serviço
+    retired: Desativado
+  status-descriptions:
+    available: Pronto para ser despachado ou engatado.
+    in_use: Atualmente em uma tarefa ou engatado a um veículo.
+    maintenance: Em serviço, inspeção ou reparo.
+    out_of_service: Indisponível até segunda ordem.
+    retired: Removido permanentemente do serviço ativo.
+  attachment:
+    attached: Engatado
+    detached: Desengatado
+    no-vehicle: Não engatado a nenhum veículo
+  connectivity:
+    online: Online
+    recently_offline: Recentemente offline
+    offline: Offline
+    never_connected: Nunca conectado
+  measurement:
+    metric: Métrico
+    imperial: Imperial
+  measurement-descriptions:
+    metric: Metros, quilogramas, metros cúbicos e Celsius.
+    imperial: Pés, libras, pés cúbicos e Fahrenheit.
+  odometer-units:
+    km: Quilômetros
+    mi: Milhas
+  coupling-types:
+    fifth_wheel: Quinta roda
+    pintle_hook: Engate tipo gancho
+    ball_hitch: Engate de bola
+    gooseneck: Pescoço de ganso
+    drawbar: Barra de tração
+    other: Outro
+  brake-types:
+    air: Freios a ar
+    electric: Freios elétricos
+    hydraulic_surge: Freios hidráulicos por inércia
+    none: Sem freios
+    other: Outro
+  ownership-types:
+    owned: Próprio
+    leased: Leasing
+    financed: Financiado
+    rented: Alugado
+  types:
+    dry_van: Baú seco
+    reefer: Refrigerado
+    flatbed: Prancha
+    step_deck: Prancha rebaixada
+    lowboy: Prancha baixa
+    tanker: Tanque
+    bulk: Graneleiro
+    dump: Basculante
+    chassis: Chassi porta-contêiner
+    curtain_side: Sider
+    car_carrier: Cegonha
+    livestock: Boiadeiro
+    logging: Florestal
+    dolly: Dolly
+    specialty: Especial
+    other: Outro
diff --git a/translations/ru-ru.yaml b/translations/ru-ru.yaml
index 11703e38b..ad711c9ed 100644
--- a/translations/ru-ru.yaml
+++ b/translations/ru-ru.yaml
@@ -47,6 +47,8 @@ common:
   notes: Notes
   schedule: Schedule
   current-job: Current Job
+  "yes": Да
+  "no": Нет
 menu:
   operations: Операции
   dashboard: Панель управления
@@ -57,6 +59,7 @@ menu:
   resources: Ресурсы
   drivers: Водители
   vehicles: Транспортные средства
+  trailers: Прицепы
   fleets: Автопарки
   vendors: Поставщики
   contacts: Контакты
@@ -87,6 +90,8 @@ menu:
 resource:
   asset: Актив
   assets: Активы
+  trailer: Прицеп
+  trailers: Прицепы
   activity: Активность
   activities: Активности
   contact: Контакт
@@ -434,6 +439,30 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Подключённый актив
+    description: Контекст автопарка для телеметрии этого устройства.
+    open: Открыть актив
+    asset: Подключённый актив
+    synced-device: Синхронизированное устройство
+    asset-type: Тип актива
+    select-asset-type: Выберите тип актива
+    locate: Найти
+    change: Сменить актив
+    detach: Отключить
+    attached-device: Подключённое устройство
+    last-seen: Последний сигнал устройства
+    none-title: Актив не подключён
+    none-message: Подключите устройство к транспортному средству или прицепу для контекста телеметрии.
+    latest-positions: Последние позиции
+    positions-description: Последние координаты актива, переданные этим устройством.
+    full-history: Полная история
+    no-positions: Нет недавних позиций
+    no-positions-message: Для этого актива пока нет недавней истории позиций.
+    attach-or-change: Подключить или сменить актив
+    view-attached: Открыть подключённый актив
+    locate-attached: Найти подключённый актив на карте
+    unknown: Неизвестный актив
   fields:
     title: Данные устройства
     device-name: Название устройства
@@ -468,6 +497,7 @@ device:
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Подключить к активу
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -477,6 +507,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Подключить устройство к активу
+    select-asset-warning: Выберите транспортное средство или прицеп.
+    attach-to-asset-success: Устройство подключено к активу.
+    detach-from-asset-title: "Отключить {deviceName} от актива?"
+    detach-from-asset-body: "Устройство {deviceName} будет отключено от {assetName}; обновления телематики прекратятся до нового подключения."
+    detach-from-asset-success: Устройство отключено от актива.
 entity:
   fields:
     declare: Заявить
@@ -1012,6 +1048,9 @@ vehicle:
     unassign-orders: Unassign Orders
     create-issue: Create Issue
     locate-vehicle: Найти транспортное средство на карте
+    attach-trailer: Прицепить прицеп
+    attach-equipment: Подключить оборудование
+    detach-equipment: Отключить оборудование
   prompts:
     attach-device-title: Attach device to {vehicleName}
     select-device-warning: Select a device to attach.
@@ -1023,6 +1062,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "Прицепить прицеп к {vehicleName}"
+    select-trailer-warning: Выберите прицеп для сцепки с этим транспортным средством.
+    attach-trailer-success: "{trailerName} прицеплен к {vehicleName}."
+  empty:
+    trailers: Прицепы не прицеплены
+    trailers-description: Прицепите отцепленный прицеп к этому транспортному средству, чтобы начать сцепку.
+    equipment: Оборудование не подключено
+    equipment-description: Подключите к этому транспортному средству оборудование, например гидроборт, инструменты или средства безопасности.
+  trailers:
+    description: Прицепы, сцепленные с этим транспортным средством в данный момент.
+  equipment:
+    description: Оборудование, подключённое к этому транспортному средству в данный момент.
 vendor:
   fields:
     setup-vendor: Настроить поставщика
@@ -1904,3 +1955,352 @@ settings:
       button-continue: Продолжить
       button-start: Начать регистрацию сейчас
       button-in-progress: Регистрация в процессе
+
+trailer:
+  navigation-description: Управляйте прицепами, сцепками, оборудованием и телематикой.
+  sections:
+    details: Сведения
+    identification: Идентификация прицепа
+    classification: Классификация и статус
+    registration: Регистрация
+    location: Местоположение
+    dimensions: Габариты и грузоподъёмность
+    measurement: Единицы измерения и пробег
+    dimensions-fields: "Габариты ({unit})"
+    weight: "Масса ({unit})"
+    running-gear: Оси, тормоза и сцепное устройство
+    refrigeration: Рефрижератор
+    ownership: Владение и финансы
+    finance: Финансовые данные
+    connection: Сцепка с транспортным средством
+    telemetry: Местоположение и телематика
+    notes: Заметки и история
+  fields:
+    photo: Фото
+    id: ID
+    name: Название
+    code: Код
+    description: Описание
+    type: Тип прицепа
+    body-type: Тип кузова
+    color: Цвет
+    status: Статус
+    category: Категория
+    vin: VIN
+    plate-number: Госномер
+    serial-number: Серийный номер
+    make: Производитель
+    model: Модель
+    year: Год
+    vendor: Поставщик
+    warranty: Гарантия
+    vehicle: Тягач
+    attachment-state: Состояние сцепки
+    attached-at: Прицеплен с
+    position: Позиция в сцепке
+    source: Источник
+    connected-at: Прицеплен
+    disconnected-at: Отцеплен
+    duration: Длительность
+    connectivity: Связь
+    last-online: Последний выход в сеть
+    last-provider: Провайдер телематики
+    last-event-at: Последнее телематическое событие
+    coordinates: Координаты
+    speed: Скорость
+    heading: Курс
+    altitude: Высота
+    devices-count: Подключённые устройства
+    equipment-count: Подключённое оборудование
+    measurement-system: Система измерения
+    odometer: "Одометр / хабометр {unit}"
+    odometer-unit: Единица одометра
+    length: "Длина ({unit})"
+    width: "Ширина ({unit})"
+    height: "Высота ({unit})"
+    cargo-volume: "Объём груза ({unit})"
+    tare-weight: "Снаряжённая масса ({unit})"
+    gvwr: "Полная масса ({unit})"
+    payload-capacity: "Грузоподъёмность ({unit})"
+    axle-count: Оси
+    tire-count: Шины
+    door-count: Двери
+    coupling-type: Тип сцепного устройства
+    brake-type: Тип тормозов
+    abs: ABS
+    ebs: EBS
+    refrigerated: Рефрижератор
+    temperature-min: "Минимальная температура ({unit})"
+    temperature-max: "Максимальная температура ({unit})"
+    reefer-hours: Моточасы холодильной установки
+    ownership-type: Владение
+    financing-status: Статус финансирования
+    currency: Валюта
+    acquisition-cost: Стоимость приобретения
+    current-value: Текущая стоимость
+    insurance-value: Страховая стоимость
+    depreciation-rate: Норма амортизации (% в год)
+    purchased-at: Дата покупки
+    lease-expires-at: Окончание аренды
+    notes: Заметки
+    created-at: Создан
+    updated-at: Последнее обновление
+  placeholders:
+    filter-vendor: Фильтр по поставщику
+    name: напр. Рефрижератор 12
+    code: Внутренний код парка, напр. TRL-0012
+    description: Для чего используется этот прицеп
+    type: Выберите тип прицепа
+    status: Выберите статус
+    body-type: напр. Фургон, тентованный, платформа
+    color: напр. Белый
+    category: Выберите категорию (необязательно)
+    vin: VIN из 17 символов
+    plate-number: Регистрационный номер
+    serial-number: Серийный номер производителя
+    make: напр. Schmitz, Krone, Wabash
+    model: напр. 3000R
+    year: напр. 2024
+    vendor: Выберите поставщика (необязательно)
+    warranty: Выберите гарантию (необязательно)
+    vehicle: Выберите транспортное средство
+    trailer: Выберите прицеп
+    equipment: Выберите оборудование
+    filter-vehicle: Фильтр по тягачу
+    position: "1"
+    measurement-system: Выберите систему измерения
+    odometer-unit: Выберите единицу
+    odometer: Текущее показание
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: напр. 2
+    tire-count: напр. 8
+    door-count: напр. 2
+    coupling-type: Выберите тип сцепного устройства
+    brake-type: Выберите тип тормозов
+    temperature-min: напр. -20
+    temperature-max: напр. 4
+    reefer-hours: Моточасы холодильной установки
+    ownership-type: Выберите форму владения
+    financing-status: напр. Выплачен, в кредите до 2028
+    depreciation-rate: напр. 10
+    date: ДД-ММ-ГГГГ
+    notes: Внутренние заметки об этом прицепе
+  help:
+    photo: Загрузите фотографию этого прицепа.
+    name: Название, отображаемое в Fleet-Ops. Обязательно.
+    code: Ваш собственный код парка для этого прицепа.
+    type: Тип определяет применимые разделы, например рефрижератор для холодильных прицепов.
+    status: Статус жизненного цикла. Сцепка и связь отслеживаются отдельно.
+    body-type: Произвольное описание кузова для классификации и поиска.
+    category: Необязательная группировка, общая с другими ресурсами парка.
+    vin: Идентификационный номер шасси, выбитый на прицепе.
+    coordinates: Последнее известное или базовое местоположение. Телематические устройства обновляют его автоматически.
+    measurement-system: Определяет единицы для габаритов, массы, объёма и температуры.
+    odometer: Показание одометра или хабометра в выбранной единице.
+    cargo-volume: Полезный объём грузового отсека.
+    tare-weight: Масса пустого прицепа.
+    gvwr: Разрешённая полная масса, максимально допустимая масса в загруженном состоянии.
+    payload-capacity: Максимальная масса груза, которую может перевозить прицеп.
+    coupling-type: Как прицеп сцепляется с тягачом.
+    abs: Установлена антиблокировочная система тормозов.
+    ebs: Установлена электронная тормозная система.
+    refrigerated: Включите для прицепов с контролем температуры, чтобы записывать настройки холодильной установки.
+    temperature: Диапазон рабочих температур холодильной установки.
+    reefer-hours: Наработка холодильной установки в часах.
+    ownership-type: Форма владения прицепом. Данные аренды и финансирования показываются при необходимости.
+    lease-expires-at: Дата окончания договора аренды, проката или финансирования.
+    vendor: Поставщик или арендодатель, у которого получен прицеп.
+    warranty: Гарантийный полис на этот прицеп.
+    acquisition-cost: Цена покупки или капитализированная стоимость в выбранной валюте.
+    depreciation-rate: Годовая амортизация для оценки текущей стоимости.
+    attach-vehicle: Прицеп будет сцеплен с выбранным транспортным средством. Прицеп может быть сцеплен только с одним транспортным средством одновременно.
+    select-trailer: Показаны только отцепленные прицепы.
+    select-equipment: Показано только неподключённое оборудование.
+    position: Позиция прицепа за транспортным средством. Позиция 1 — сразу за тягачом; используйте 2 и более для автопоездов.
+  units:
+    length-metric: м
+    length-imperial: фут
+    weight-metric: кг
+    weight-imperial: фунт
+    volume-metric: м³
+    volume-imperial: фут³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Новый прицеп
+    locate: Показать на карте
+    attach-vehicle: Прицепить к транспортному средству
+    detach-vehicle: Отцепить от транспортного средства
+    attach-device: Подключить устройство
+    attach-equipment: Подключить оборудование
+    detach-equipment: Отключить оборудование
+    schedule-maintenance: Запланировать обслуживание
+    create-work-order: Создать заказ-наряд
+    log-maintenance: Записать обслуживание
+  prompts:
+    attach-vehicle-title: "Прицепить {trailerName} к транспортному средству"
+    select-vehicle-warning: Выберите транспортное средство, к которому прицепить этот прицеп.
+    attach-vehicle-success: "{trailerName} прицеплен к {vehicleName}."
+    detach-vehicle-title: "Отцепить {trailerName}?"
+    detach-vehicle-body: "Текущая сцепка между {trailerName} и {vehicleName} будет завершена. Сцепка сохранится в истории прицепа."
+    detach-vehicle-success: "{trailerName} отцеплен от {vehicleName}."
+    not-attached-warning: "{trailerName} не прицеплен к транспортному средству."
+    attach-device-title: "Подключить устройство к {trailerName}"
+    select-device-warning: Выберите устройство для подключения к этому прицепу.
+    attach-device-success: "Устройство подключено к {trailerName}."
+    attach-equipment-title: "Подключить оборудование к {resourceName}"
+    select-equipment-warning: Выберите оборудование для подключения.
+    attach-equipment-success: "{equipmentName} подключено к {resourceName}."
+    detach-equipment-title: "Отключить {equipmentName}?"
+    detach-equipment-body: "{equipmentName} больше не будет подключено к {resourceName}."
+    detach-equipment-success: "{equipmentName} отключено от {resourceName}."
+    no-location-warning: "У {trailerName} ещё нет записанного местоположения."
+    photo-upload-error: "Не удалось загрузить фото: {message}"
+  empty:
+    title: Добавьте первый прицеп
+    description: Прицепы отслеживают сцепки, подключённые устройства и оборудование, телематику в реальном времени и обслуживание ваших прицепных активов.
+    filtered-title: Нет прицепов, соответствующих фильтрам
+    filtered-description: Измените поиск или фильтры, чтобы найти другой прицеп.
+    connections: История сцепок пуста
+    connections-description: Прицепите этот прицеп к транспортному средству, чтобы начать запись сцепок.
+    equipment: Оборудование не подключено
+    equipment-description: Подключите к этому прицепу оборудование, например гидроборт, стяжные ремни или холодильную установку.
+    schedules: Графиков обслуживания нет
+    schedules-description: Создайте график, чтобы планировать регулярные осмотры или обслуживание этого прицепа.
+    work-orders: Заказ-нарядов нет
+    work-orders-description: Создайте заказ-наряд для учёта ремонта или обслуживания этого прицепа.
+    maintenance: Истории обслуживания нет
+    maintenance-description: Здесь появятся записи об обслуживании этого прицепа.
+  docs:
+    title: Руководство по прицепам
+    link: Открыть руководство по прицепам
+  tabs:
+    overview: Обзор
+    positions: Позиции
+    devices: Устройства
+    equipment: Оборудование
+    connections: История сцепок
+    schedules: Графики
+    work-orders: Заказ-наряды
+    maintenance: Обслуживание
+  columns:
+    name: Название
+    id: ID
+    code: Код
+    type: Тип
+    plate-number: Госномер
+    status: Статус
+    vehicle: Тягач
+    attachment-state: Сцепка
+    connectivity: Связь
+    last-online: Последний выход в сеть
+    location: Местоположение
+    devices: Устройства
+    equipment: Оборудование
+    vin: VIN
+    serial-number: Серийный номер
+    make: Производитель
+    model: Модель
+    year: Год
+    vendor: Поставщик
+    ownership: Владение
+    axles: Оси
+    gvwr: Полная масса
+    payload-capacity: Грузоподъёмность
+    length: Длина
+    refrigerated: Рефрижератор
+    created-at: Создан
+    updated-at: Обновлён
+  filters:
+    created-between: Создан в период
+    updated-between: Обновлён в период
+    last-online-between: Последний выход в сеть в период
+  connections:
+    description: Все транспортные средства, к которым был прицеплен этот прицеп, начиная с последнего.
+    ongoing: Текущая
+  equipment:
+    description: Оборудование, подключённое к этому прицепу в данный момент.
+  telemetry:
+    no-location: Местоположение не записано
+  maintenance:
+    interval: Интервал
+    next-due: Следующий срок
+    code: Код
+    subject: Тема
+    priority: Приоритет
+    due: Срок
+    summary: Описание
+    odometer: Одометр
+    total-cost: Общая стоимость
+    date: Дата
+  statuses:
+    available: Доступен
+    in_use: Используется
+    maintenance: На обслуживании
+    out_of_service: Не в эксплуатации
+    retired: Списан
+  status-descriptions:
+    available: Готов к назначению или сцепке.
+    in_use: В данный момент выполняет задание или прицеплен к транспортному средству.
+    maintenance: Проходит обслуживание, осмотр или ремонт.
+    out_of_service: Непригоден к использованию до дальнейшего уведомления.
+    retired: Окончательно выведен из эксплуатации.
+  attachment:
+    attached: Прицеплен
+    detached: Отцеплен
+    no-vehicle: Не прицеплен к транспортному средству
+  connectivity:
+    online: В сети
+    recently_offline: Недавно не в сети
+    offline: Не в сети
+    never_connected: Никогда не подключался
+  measurement:
+    metric: Метрическая
+    imperial: Имперская
+  measurement-descriptions:
+    metric: Метры, килограммы, кубические метры и градусы Цельсия.
+    imperial: Футы, фунты, кубические футы и градусы Фаренгейта.
+  odometer-units:
+    km: Километры
+    mi: Мили
+  coupling-types:
+    fifth_wheel: Седельно-сцепное устройство
+    pintle_hook: Крюковая сцепка
+    ball_hitch: Шаровая сцепка
+    gooseneck: Гусиная шея
+    drawbar: Дышло
+    other: Другое
+  brake-types:
+    air: Пневматические тормоза
+    electric: Электрические тормоза
+    hydraulic_surge: Гидравлические тормоза наката
+    none: Без тормозов
+    other: Другое
+  ownership-types:
+    owned: В собственности
+    leased: В лизинге
+    financed: В кредите
+    rented: В аренде
+  types:
+    dry_van: Фургон
+    reefer: Рефрижератор
+    flatbed: Бортовая платформа
+    step_deck: Платформа с уступом
+    lowboy: Низкорамный трал
+    tanker: Цистерна
+    bulk: Для сыпучих грузов
+    dump: Самосвальный
+    chassis: Контейнеровоз
+    curtain_side: Тентованный
+    car_carrier: Автовоз
+    livestock: Скотовоз
+    logging: Лесовоз
+    dolly: Подкатная тележка
+    specialty: Специальный
+    other: Другое
diff --git a/translations/vi-vn.yaml b/translations/vi-vn.yaml
index 0062ff58d..e4d1cbd1c 100644
--- a/translations/vi-vn.yaml
+++ b/translations/vi-vn.yaml
@@ -1,6 +1,17 @@
 menu:
   fuel-providers: Tích hợp Nhiên liệu
   fuel-transactions: Giao dịch nhiên liệu
+  trailers: Rơ-moóc
+
+resource:
+  trailer: Rơ-moóc
+  trailers: Rơ-moóc
+  vehicle: Phương tiện
+  equipment: Thiết bị
+  driver: Tài xế
+  device: Thiết bị IoT
+  sensors: Cảm biến
+  device-events: Sự kiện thiết bị
 
 fleet-ops:
   extension-name: Fleet-Ops
@@ -1621,6 +1632,8 @@ scheduler:
 
 common:
   current-job: Current Job
+  "yes": Có
+  "no": Không
 driver:
   actions:
     unassign-orders: Unassign Orders
@@ -1648,9 +1661,34 @@ driver:
     unassign-vehicle-success: Unassigned {vehicleName} from {driverName}.
     issue-title: Issue reported for {driverName}
 device:
+  attachment:
+    title: Tài sản đã gắn
+    description: Ngữ cảnh đội xe cho dữ liệu từ thiết bị này.
+    open: Mở tài sản
+    asset: Tài sản đã gắn
+    synced-device: Thiết bị đã đồng bộ
+    asset-type: Loại tài sản
+    select-asset-type: Chọn loại tài sản
+    locate: Định vị
+    change: Đổi tài sản
+    detach: Tháo
+    attached-device: Thiết bị đã gắn
+    last-seen: Tín hiệu thiết bị gần nhất
+    none-title: Chưa gắn tài sản
+    none-message: Gắn thiết bị với phương tiện hoặc rơ-moóc để có ngữ cảnh dữ liệu đội xe.
+    latest-positions: Vị trí gần đây
+    positions-description: Tọa độ gần đây của tài sản do thiết bị này báo cáo.
+    full-history: Toàn bộ lịch sử
+    no-positions: Chưa có vị trí gần đây
+    no-positions-message: Tài sản này chưa có lịch sử vị trí gần đây.
+    attach-or-change: Gắn hoặc đổi tài sản
+    view-attached: Xem tài sản đã gắn
+    locate-attached: Định vị tài sản đã gắn trên bản đồ
+    unknown: Tài sản không xác định
   actions:
     attach-to-vehicle: Attach to Vehicle
     detach-from-vehicle: Detach from Vehicle
+    attach-to-asset: Gắn với tài sản
   prompts:
     attach-to-vehicle-title: Attach device to vehicle
     attach-device-to-vehicle-title: "Attach {deviceName} to vehicle"
@@ -1660,6 +1698,12 @@ device:
     detach-from-vehicle-title: "Detach {deviceName} from vehicle?"
     detach-from-vehicle-body: "This detaches {deviceName} from {vehicleName} and stops vehicle telemetry updates until it is attached again."
     detach-from-vehicle-success: Device detached from vehicle.
+    attach-to-asset-title: Gắn thiết bị với tài sản
+    select-asset-warning: Chọn phương tiện hoặc rơ-moóc.
+    attach-to-asset-success: Đã gắn thiết bị với tài sản.
+    detach-from-asset-title: "Tháo {deviceName} khỏi tài sản?"
+    detach-from-asset-body: "Thao tác này tháo {deviceName} khỏi {assetName} và dừng cập nhật dữ liệu cho đến khi được gắn lại."
+    detach-from-asset-success: Đã tháo thiết bị khỏi tài sản.
 fleet:
   actions:
     assign-vehicle: Assign Vehicle to Fleet
@@ -1680,6 +1724,9 @@ vehicle:
     schedule-maintenance: Schedule Maintenance
     create-work-order: Create Work Order
     log-maintenance: Log Maintenance
+    attach-trailer: Nối rơ-moóc
+    attach-equipment: Gắn trang bị
+    detach-equipment: Tháo trang bị
   prompts:
     attach-device-title: Attach device to {vehicleName}
     select-device-warning: Select a device to attach.
@@ -1691,6 +1738,18 @@ vehicle:
     confirm-unassign-orders-body: "This will remove {vehicleName} from these orders: {orders}."
     unassign-orders-success: Unassigned {vehicleName} from {count} order(s).
     issue-title: Issue reported for {vehicleName}
+    attach-trailer-title: "Nối rơ-moóc với {vehicleName}"
+    select-trailer-warning: Chọn rơ-moóc để nối với xe này.
+    attach-trailer-success: "Đã nối {trailerName} với {vehicleName}."
+  empty:
+    trailers: Chưa nối rơ-moóc
+    trailers-description: Nối một rơ-moóc chưa kết nối với xe này để bắt đầu kết nối kéo.
+    equipment: Chưa gắn trang bị
+    equipment-description: Gắn trang bị như bửng nâng, dụng cụ hoặc thiết bị an toàn vào xe này.
+  trailers:
+    description: Rơ-moóc hiện đang nối với xe này.
+  equipment:
+    description: Trang bị hiện đang gắn vào xe này.
 modals:
   assigned-orders:
 
@@ -1709,3 +1768,352 @@ order:
       no-dropoff-address: No dropoff address
       no-route-details: No route details available.
       no-order-linked: No order is linked to this issue.
+
+trailer:
+  navigation-description: Quản lý tài sản được kéo, kết nối kéo, thiết bị và viễn thông.
+  sections:
+    details: Chi tiết
+    identification: Nhận dạng rơ-moóc
+    classification: Phân loại và trạng thái
+    registration: Đăng ký
+    location: Vị trí
+    dimensions: Kích thước và tải trọng
+    measurement: Đơn vị đo và sử dụng
+    dimensions-fields: "Kích thước ({unit})"
+    weight: "Trọng lượng ({unit})"
+    running-gear: Trục, phanh và móc kéo
+    refrigeration: Làm lạnh
+    ownership: Sở hữu và tài chính
+    finance: Thông tin tài chính
+    connection: Kết nối kéo
+    telemetry: Vị trí và viễn thông
+    notes: Ghi chú và lịch sử
+  fields:
+    photo: Ảnh
+    id: ID
+    name: Tên
+    code: Mã
+    description: Mô tả
+    type: Loại rơ-moóc
+    body-type: Loại thùng
+    color: Màu sắc
+    status: Trạng thái
+    category: Danh mục
+    vin: Số VIN
+    plate-number: Biển số
+    serial-number: Số sê-ri
+    make: Hãng
+    model: Mẫu
+    year: Năm
+    vendor: Nhà cung cấp
+    warranty: Bảo hành
+    vehicle: Xe kéo
+    attachment-state: Trạng thái kết nối
+    attached-at: Kết nối từ
+    position: Vị trí kéo
+    source: Nguồn
+    connected-at: Kết nối lúc
+    disconnected-at: Ngắt kết nối lúc
+    duration: Thời lượng
+    connectivity: Kết nối mạng
+    last-online: Trực tuyến lần cuối
+    last-provider: Nhà cung cấp viễn thông
+    last-event-at: Sự kiện viễn thông gần nhất
+    coordinates: Tọa độ
+    speed: Tốc độ
+    heading: Hướng
+    altitude: Độ cao
+    devices-count: Thiết bị đã gắn
+    equipment-count: Trang bị đã gắn
+    measurement-system: Hệ đo lường
+    odometer: "Đồng hồ đo quãng đường {unit}"
+    odometer-unit: Đơn vị đồng hồ
+    length: "Chiều dài ({unit})"
+    width: "Chiều rộng ({unit})"
+    height: "Chiều cao ({unit})"
+    cargo-volume: "Thể tích hàng ({unit})"
+    tare-weight: "Tự trọng ({unit})"
+    gvwr: "Tổng trọng lượng cho phép ({unit})"
+    payload-capacity: "Tải trọng hàng ({unit})"
+    axle-count: Số trục
+    tire-count: Số lốp
+    door-count: Số cửa
+    coupling-type: Loại móc kéo
+    brake-type: Loại phanh
+    abs: ABS
+    ebs: EBS
+    refrigerated: Có làm lạnh
+    temperature-min: "Nhiệt độ tối thiểu ({unit})"
+    temperature-max: "Nhiệt độ tối đa ({unit})"
+    reefer-hours: Số giờ máy lạnh
+    ownership-type: Hình thức sở hữu
+    financing-status: Tình trạng tài chính
+    currency: Tiền tệ
+    acquisition-cost: Chi phí mua
+    current-value: Giá trị hiện tại
+    insurance-value: Giá trị bảo hiểm
+    depreciation-rate: Tỷ lệ khấu hao (% mỗi năm)
+    purchased-at: Ngày mua
+    lease-expires-at: Ngày hết hạn thuê
+    notes: Ghi chú
+    created-at: Ngày tạo
+    updated-at: Cập nhật lần cuối
+  placeholders:
+    filter-vendor: Lọc theo nhà cung cấp
+    name: vd. Rơ-moóc lạnh 12
+    code: Mã đội xe nội bộ, vd. TRL-0012
+    description: Rơ-moóc này dùng để làm gì
+    type: Chọn loại rơ-moóc
+    status: Chọn trạng thái
+    body-type: vd. Thùng kín, thùng bạt, sàn phẳng
+    color: vd. Trắng
+    category: Chọn danh mục (tùy chọn)
+    vin: Số VIN 17 ký tự
+    plate-number: Biển số đăng ký
+    serial-number: Số sê-ri của nhà sản xuất
+    make: vd. Utility, Schmitz, Wabash
+    model: vd. 3000R
+    year: vd. 2024
+    vendor: Chọn nhà cung cấp (tùy chọn)
+    warranty: Chọn bảo hành (tùy chọn)
+    vehicle: Chọn xe
+    trailer: Chọn rơ-moóc
+    equipment: Chọn trang bị
+    filter-vehicle: Lọc theo xe kéo
+    position: "1"
+    measurement-system: Chọn hệ đo lường
+    odometer-unit: Chọn đơn vị
+    odometer: Số đo hiện tại
+    length: "0.000"
+    width: "0.000"
+    height: "0.000"
+    cargo-volume: "0.000"
+    tare-weight: "0.000"
+    gvwr: "0.000"
+    payload-capacity: "0.000"
+    axle-count: vd. 2
+    tire-count: vd. 8
+    door-count: vd. 2
+    coupling-type: Chọn loại móc kéo
+    brake-type: Chọn loại phanh
+    temperature-min: vd. -20
+    temperature-max: vd. 4
+    reefer-hours: Số giờ hoạt động của máy lạnh
+    ownership-type: Chọn hình thức sở hữu
+    financing-status: vd. Đã trả hết, trả góp đến 2028
+    depreciation-rate: vd. 10
+    date: DD-MM-YYYY
+    notes: Ghi chú nội bộ về rơ-moóc này
+  help:
+    photo: Tải lên ảnh của rơ-moóc này.
+    name: Tên hiển thị trong Fleet-Ops. Bắt buộc.
+    code: Mã tham chiếu đội xe của riêng bạn cho rơ-moóc này.
+    type: Loại quyết định các mục áp dụng, ví dụ làm lạnh cho rơ-moóc lạnh.
+    status: Trạng thái vòng đời. Kết nối kéo và kết nối mạng được theo dõi riêng.
+    body-type: Mô tả tự do về thùng xe dùng để phân loại và tìm kiếm.
+    category: Nhóm tùy chọn dùng chung với các tài nguyên đội xe khác.
+    vin: Số nhận dạng khung được đóng trên rơ-moóc.
+    coordinates: Vị trí cuối cùng được biết hoặc vị trí gốc. Thiết bị viễn thông tự động cập nhật.
+    measurement-system: Xác định đơn vị dùng cho kích thước, trọng lượng, thể tích và nhiệt độ.
+    odometer: Số đo đồng hồ quãng đường theo đơn vị đã chọn.
+    cargo-volume: Thể tích chứa hàng hữu dụng của thùng.
+    tare-weight: Trọng lượng rơ-moóc khi không tải.
+    gvwr: Tổng trọng lượng cho phép, trọng lượng tối đa khi có tải.
+    payload-capacity: Trọng lượng hàng tối đa rơ-moóc có thể chở.
+    coupling-type: Cách rơ-moóc nối với xe kéo.
+    abs: Đã lắp hệ thống chống bó cứng phanh.
+    ebs: Đã lắp hệ thống phanh điện tử.
+    refrigerated: Bật cho rơ-moóc kiểm soát nhiệt độ để ghi thiết lập máy lạnh.
+    temperature: Dải nhiệt độ hoạt động của máy lạnh.
+    reefer-hours: Số giờ hoạt động ghi nhận trên máy lạnh.
+    ownership-type: Hình thức sở hữu rơ-moóc. Thông tin thuê và trả góp hiển thị khi cần.
+    lease-expires-at: Thời điểm hợp đồng thuê, mượn hoặc trả góp kết thúc.
+    vendor: Nhà cung cấp hoặc bên cho thuê rơ-moóc.
+    warranty: Chính sách bảo hành áp dụng cho rơ-moóc này.
+    acquisition-cost: Giá mua hoặc chi phí vốn hóa theo tiền tệ đã chọn.
+    depreciation-rate: Khấu hao hàng năm dùng để ước tính giá trị hiện tại.
+    attach-vehicle: Rơ-moóc sẽ được nối với xe đã chọn. Mỗi rơ-moóc chỉ có thể nối với một xe tại một thời điểm.
+    select-trailer: Chỉ liệt kê các rơ-moóc chưa kết nối.
+    select-equipment: Chỉ liệt kê trang bị chưa được gắn.
+    position: Vị trí kéo phía sau xe. Vị trí 1 ngay sau đầu kéo; dùng 2 trở lên cho đoàn xe.
+  units:
+    length-metric: m
+    length-imperial: ft
+    weight-metric: kg
+    weight-imperial: lb
+    volume-metric: m³
+    volume-imperial: ft³
+    temperature-metric: °C
+    temperature-imperial: °F
+  actions:
+    new: Rơ-moóc mới
+    locate: Xem trên bản đồ
+    attach-vehicle: Nối với xe
+    detach-vehicle: Tách khỏi xe
+    attach-device: Gắn thiết bị
+    attach-equipment: Gắn trang bị
+    detach-equipment: Tháo trang bị
+    schedule-maintenance: Lên lịch bảo trì
+    create-work-order: Tạo lệnh công việc
+    log-maintenance: Ghi nhận bảo trì
+  prompts:
+    attach-vehicle-title: "Nối {trailerName} với xe"
+    select-vehicle-warning: Chọn xe để nối rơ-moóc này.
+    attach-vehicle-success: "Đã nối {trailerName} với {vehicleName}."
+    detach-vehicle-title: "Tách {trailerName}?"
+    detach-vehicle-body: "Thao tác này kết thúc kết nối kéo hiện tại giữa {trailerName} và {vehicleName}. Kết nối được lưu trong lịch sử của rơ-moóc."
+    detach-vehicle-success: "Đã tách {trailerName} khỏi {vehicleName}."
+    not-attached-warning: "{trailerName} chưa được nối với xe nào."
+    attach-device-title: "Gắn thiết bị vào {trailerName}"
+    select-device-warning: Chọn thiết bị để gắn vào rơ-moóc này.
+    attach-device-success: "Đã gắn thiết bị vào {trailerName}."
+    attach-equipment-title: "Gắn trang bị vào {resourceName}"
+    select-equipment-warning: Chọn trang bị để gắn.
+    attach-equipment-success: "Đã gắn {equipmentName} vào {resourceName}."
+    detach-equipment-title: "Tháo {equipmentName}?"
+    detach-equipment-body: "{equipmentName} sẽ không còn được gắn vào {resourceName}."
+    detach-equipment-success: "Đã tháo {equipmentName} khỏi {resourceName}."
+    no-location-warning: "{trailerName} chưa có vị trí được ghi nhận."
+    photo-upload-error: "Không thể tải ảnh lên: {message}"
+  empty:
+    title: Thêm rơ-moóc đầu tiên của bạn
+    description: Rơ-moóc theo dõi kết nối kéo, thiết bị và trang bị đã gắn, viễn thông thời gian thực và bảo trì cho tài sản được kéo của bạn.
+    filtered-title: Không có rơ-moóc nào khớp với bộ lọc
+    filtered-description: Điều chỉnh tìm kiếm hoặc bộ lọc để tìm rơ-moóc khác.
+    connections: Chưa có lịch sử kéo
+    connections-description: Nối rơ-moóc này với xe để bắt đầu ghi nhận kết nối kéo.
+    equipment: Chưa gắn trang bị
+    equipment-description: Gắn trang bị như bửng nâng, dây chằng hoặc máy lạnh vào rơ-moóc này.
+    schedules: Chưa có lịch bảo trì
+    schedules-description: Tạo lịch để lên kế hoạch kiểm tra hoặc bảo dưỡng định kỳ cho rơ-moóc này.
+    work-orders: Chưa có lệnh công việc
+    work-orders-description: Tạo lệnh công việc để theo dõi sửa chữa hoặc bảo dưỡng rơ-moóc này.
+    maintenance: Chưa có lịch sử bảo trì
+    maintenance-description: Các lần bảo trì đã ghi nhận cho rơ-moóc này sẽ hiển thị tại đây.
+  docs:
+    title: Hướng dẫn về rơ-moóc
+    link: Mở hướng dẫn về rơ-moóc
+  tabs:
+    overview: Tổng quan
+    positions: Vị trí
+    devices: Thiết bị
+    equipment: Trang bị
+    connections: Lịch sử kéo
+    schedules: Lịch bảo trì
+    work-orders: Lệnh công việc
+    maintenance: Bảo trì
+  columns:
+    name: Tên
+    id: ID
+    code: Mã
+    type: Loại
+    plate-number: Biển số
+    status: Trạng thái
+    vehicle: Xe kéo
+    attachment-state: Kết nối
+    connectivity: Kết nối mạng
+    last-online: Trực tuyến lần cuối
+    location: Vị trí
+    devices: Thiết bị
+    equipment: Trang bị
+    vin: Số VIN
+    serial-number: Số sê-ri
+    make: Hãng
+    model: Mẫu
+    year: Năm
+    vendor: Nhà cung cấp
+    ownership: Sở hữu
+    axles: Số trục
+    gvwr: Tổng trọng lượng cho phép
+    payload-capacity: Tải trọng hàng
+    length: Chiều dài
+    refrigerated: Có làm lạnh
+    created-at: Ngày tạo
+    updated-at: Ngày cập nhật
+  filters:
+    created-between: Tạo trong khoảng
+    updated-between: Cập nhật trong khoảng
+    last-online-between: Trực tuyến lần cuối trong khoảng
+  connections:
+    description: Tất cả các xe mà rơ-moóc này từng được nối, mới nhất trước.
+    ongoing: Đang diễn ra
+  equipment:
+    description: Trang bị hiện đang gắn vào rơ-moóc này.
+  telemetry:
+    no-location: Chưa ghi nhận vị trí
+  maintenance:
+    interval: Chu kỳ
+    next-due: Đến hạn tiếp theo
+    code: Mã
+    subject: Chủ đề
+    priority: Ưu tiên
+    due: Đến hạn
+    summary: Tóm tắt
+    odometer: Đồng hồ quãng đường
+    total-cost: Tổng chi phí
+    date: Ngày
+  statuses:
+    available: Sẵn sàng
+    in_use: Đang sử dụng
+    maintenance: Đang bảo trì
+    out_of_service: Ngừng hoạt động
+    retired: Đã thanh lý
+  status-descriptions:
+    available: Sẵn sàng để điều phối hoặc nối với xe.
+    in_use: Đang thực hiện công việc hoặc đang nối với xe.
+    maintenance: Đang bảo dưỡng, kiểm tra hoặc sửa chữa.
+    out_of_service: Không sử dụng được cho đến khi có thông báo mới.
+    retired: Đã loại bỏ vĩnh viễn khỏi hoạt động.
+  attachment:
+    attached: Đã nối
+    detached: Chưa nối
+    no-vehicle: Chưa nối với xe nào
+  connectivity:
+    online: Trực tuyến
+    recently_offline: Vừa ngoại tuyến
+    offline: Ngoại tuyến
+    never_connected: Chưa từng kết nối
+  measurement:
+    metric: Hệ mét
+    imperial: Hệ Anh
+  measurement-descriptions:
+    metric: Mét, kilôgam, mét khối và độ C.
+    imperial: Feet, pound, feet khối và độ F.
+  odometer-units:
+    km: Kilômét
+    mi: Dặm
+  coupling-types:
+    fifth_wheel: Mâm xoay
+    pintle_hook: Móc pintle
+    ball_hitch: Móc bi
+    gooseneck: Cổ ngỗng
+    drawbar: Thanh kéo
+    other: Khác
+  brake-types:
+    air: Phanh khí nén
+    electric: Phanh điện
+    hydraulic_surge: Phanh thủy lực quán tính
+    none: Không có phanh
+    other: Khác
+  ownership-types:
+    owned: Sở hữu
+    leased: Thuê dài hạn
+    financed: Trả góp
+    rented: Thuê
+  types:
+    dry_van: Thùng kín
+    reefer: Thùng lạnh
+    flatbed: Sàn phẳng
+    step_deck: Sàn bậc
+    lowboy: Sàn thấp
+    tanker: Bồn
+    bulk: Hàng rời
+    dump: Ben
+    chassis: Khung chở container
+    curtain_side: Thùng bạt
+    car_carrier: Chở ô tô
+    livestock: Chở gia súc
+    logging: Chở gỗ
+    dolly: Dolly
+    specialty: Chuyên dụng
+    other: Khác