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| Operator: | United Automobile | Fleet No: | BU523 |
| Chassis: | Bristol MW5G | Chassis No: | 139.140 |
| Body: | ECW B45F | Body No: | 10430 |
| 1958 | United Automobile Services Limited, Darlington (BU523) |
| Mar 59 | In service with United Automobile Services Limited, Darlington (BU523) |
| Nov 64 | Fleet number changed to U523 |
| Apr 68 | Converted to OMO |
| Jan 69 | Fleet number changed to 2523 |
| Jun 75 | Out of service with United Automobile Services Limited, Darlington (2523) |
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Owner : United Automobile BU523 Location : Not Known Date : Not Known
(C) Brian Botley |