diff --git a/apps/edr-freight-api/src/migrations/2270000000000-AddWagonTrainNumbers.ts b/apps/edr-freight-api/src/migrations/2270000000000-AddWagonTrainNumbers.ts
new file mode 100644
index 000000000..7050c1c40
--- /dev/null
+++ b/apps/edr-freight-api/src/migrations/2270000000000-AddWagonTrainNumbers.ts
@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+/**
+ * Per-wagon EXPORT/IMPORT run numbers, editable from the wagon form.
+ *
+ * Nullable with no default: a wagon is not on a run until an operator says so.
+ * Mirrors the width of trains.export_train_number / trains.import_train_number
+ * (varchar 20) so the two stay comparable.
+ */
+export class AddWagonTrainNumbers2270000000000 implements MigrationInterface {
+  name = 'AddWagonTrainNumbers2270000000000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.wagons
+        ADD COLUMN IF NOT EXISTS export_train_number varchar(20),
+        ADD COLUMN IF NOT EXISTS import_train_number varchar(20);
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.wagons
+        DROP COLUMN IF EXISTS export_train_number,
+        DROP COLUMN IF EXISTS import_train_number;
+    `);
+  }
+}
diff --git a/apps/edr-freight-api/src/modules/wagons/dto/create-wagon.dto.ts b/apps/edr-freight-api/src/modules/wagons/dto/create-wagon.dto.ts
index d1939c9f5..408b13be5 100644
--- a/apps/edr-freight-api/src/modules/wagons/dto/create-wagon.dto.ts
+++ b/apps/edr-freight-api/src/modules/wagons/dto/create-wagon.dto.ts
@@ -20,6 +20,16 @@ export class CreateWagonDto {
   // Tare weight and payload capacity are not accepted here: they belong to the
   // wagon type and are resolved through wagonTypeId.
 
+  /** EXPORT run number — odd, Ethiopia → Djibouti (e.g. 8001). */
+  @IsOptional()
+  @IsString()
+  exportTrainNumber?: string;
+
+  /** IMPORT run number — even, Djibouti → Ethiopia (e.g. 8002). */
+  @IsOptional()
+  @IsString()
+  importTrainNumber?: string;
+
   @IsOptional()
   @IsEnum(WagonStatus)
   status?: WagonStatus;
diff --git a/apps/edr-freight-api/src/modules/wagons/entities/wagon.entity.ts b/apps/edr-freight-api/src/modules/wagons/entities/wagon.entity.ts
index b66fc3f9d..7bfb59e1d 100644
--- a/apps/edr-freight-api/src/modules/wagons/entities/wagon.entity.ts
+++ b/apps/edr-freight-api/src/modules/wagons/entities/wagon.entity.ts
@@ -43,6 +43,14 @@ export class Wagon extends BaseEntity {
   // Tare weight and payload capacity are properties of the wagon TYPE — read them
   // through `wagonType`, never off the individual wagon.
 
+  /** EXPORT run number — odd, Ethiopia → Djibouti (e.g. 8001). Null until set. */
+  @Column({ name: 'export_train_number', type: 'varchar', length: 20, nullable: true })
+  exportTrainNumber!: string | null;
+
+  /** IMPORT run number — even, Djibouti → Ethiopia (e.g. 8002). Null until set. */
+  @Column({ name: 'import_train_number', type: 'varchar', length: 20, nullable: true })
+  importTrainNumber!: string | null;
+
   @Column({ type: 'varchar', length: 20, default: WagonStatus.Available })
   status!: WagonStatusType;
 
diff --git a/apps/edr-freight-api/src/modules/wagons/wagons.service.ts b/apps/edr-freight-api/src/modules/wagons/wagons.service.ts
index 8c5dd83c8..a43ff0e67 100644
--- a/apps/edr-freight-api/src/modules/wagons/wagons.service.ts
+++ b/apps/edr-freight-api/src/modules/wagons/wagons.service.ts
@@ -38,6 +38,8 @@ export class WagonsService {
     if (dto.trainId === undefined) wagon.trainId = null;
     if (dto.sequenceNumber === undefined) wagon.sequenceNumber = null;
     if (dto.currentYardId === undefined) wagon.currentYardId = null;
+    if (dto.exportTrainNumber === undefined) wagon.exportTrainNumber = null;
+    if (dto.importTrainNumber === undefined) wagon.importTrainNumber = null;
     return this.wagonRepo.save(wagon);
   }
 
diff --git a/apps/edr-freight-web/backoffice/src/pages/fleet/config/resources.ts b/apps/edr-freight-web/backoffice/src/pages/fleet/config/resources.ts
index 82c1eaa58..b5bc5d415 100644
--- a/apps/edr-freight-web/backoffice/src/pages/fleet/config/resources.ts
+++ b/apps/edr-freight-web/backoffice/src/pages/fleet/config/resources.ts
@@ -271,6 +271,22 @@ export const FLEET_RESOURCES: FleetResourceConfig[] = [
       { id: "status", header: "Status", accessorKey: "status", format: "statusBadge" },
     ],
     formFields: [
+      // Run numbers are optional — a wagon sits in the fleet unassigned to any
+      // run until an operator fills these in.
+      {
+        name: "exportTrainNumber",
+        label: "Export train number",
+        type: "text",
+        description: "Odd — Ethiopia → Djibouti runs",
+        placeholder: "e.g. 8001",
+      },
+      {
+        name: "importTrainNumber",
+        label: "Import train number",
+        type: "text",
+        description: "Even — Djibouti → Ethiopia runs",
+        placeholder: "e.g. 8002",
+      },
       { name: "wagonNumber", label: "Wagon number", type: "text", required: true },
       { name: "wagonTypeId", label: "Wagon type", type: "select", required: true, dynamicOptions: "wagonTypes" },
       { name: "currentYardId", label: "Current Yard", type: "select", dynamicOptions: "yards" },
@@ -278,6 +294,8 @@ export const FLEET_RESOURCES: FleetResourceConfig[] = [
       { name: "notes", label: "Notes", type: "textarea" },
     ],
     emptyValues: {
+      exportTrainNumber: "",
+      importTrainNumber: "",
       wagonNumber: "",
       wagonTypeId: "",
       currentYardId: "",