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| Operator: | United Automobile | Fleet No: | BU508 |
| Chassis: | Bristol MW5G | Chassis No: | 135.029 |
| Body: | ECW B45F | Body No: | 9823 |
| Jun 58 | In service with United Automobile Services Limited, Darlington (BU508) |
| Nov 64 | Fleet number changed to U508 |
| Feb/Dec 68 | Converted to OMO |
| Jan 69 | Fleet number changed to 2508 |
| <Aug 78 | Out of service with United Automobile Services Limited, Darlington (2508) |