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| Operator: | United Automobile | Fleet No: | BU143 |
| Chassis: | Bristol LS5G | Chassis No: | 107.097 |
| Body: | ECW B45F | Body No: | 7661 |
| Jul 55 | In service with United Automobile Services Limited, Darlington (BU143) |
| Nov 64 | Fleet number changed to U143 |
| Jan 69 | Fleet number changed to 2143 |
| 1970 | Out of service with United Automobile Services Limited, Darlington (2143) |