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| Operator: | United Automobile | Fleet No: | BU502 |
| Chassis: | Bristol MW5G | Chassis No: | 135.011 |
| Body: | ECW B45F | Body No: | 9816 |
| Jun 58 | In service with United Automobile Services Limited, Darlington (BU502) |
| Jan/Oct 64 | Converted to OMO |
| Nov 64 | Fleet number changed to U502 |
| Jan 69 | Fleet number changed to 2502 |
| Jul 74 | Out of service with United Automobile Services Limited, Darlington (2502) |