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| Operator: | United Automobile | Fleet No: | BU57 |
| Chassis: | Bristol LS5G | Chassis No: | 101.029 |
| Body: | ECW B45F | Body No: | 6795 |
| Jul 54 | In service with United Automobile Services Limited, Darlington (BU57) |
| Nov 64 | Fleet number changed to U57 |
| Jan 69 | Fleet number changed to 2057 |
| Feb 70 | On loan to Northern General Transport Company Limited, Gateshead - operated by Sunderland District Omnibus Company, Sunderland |
| Jul 70 | Returned to United Automobile Services Limited, Darlington |
| 1970 | Out of service with United Automobile Services Limited, Darlington (2057) |
| Nov 70 | Wombwell Diesels Company Limited, Wombwell (dealer) |