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| Operator: | United Automobile | Fleet No: | BU666 |
| Chassis: | Bristol MW5G | Chassis No: | 195.116 |
| Body: | ECW B45F | Body No: | 13283 |
| Nov 62 | In service with United Automobile Services Limited, Darlington (BU666) |
| Nov 64 | Fleet number changed to U666 |
| Jan 69 | Fleet number changed to 2666 |
| Oct-Dec 69 | Converted to OMO |
| <Mar 75 | Transferred to Blyth |
| May 77 | Out of service with United Automobile Services Limited, Darlington (2666) |
| Oct 77 | breakers yard |