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| Operator: | United Automobile | Fleet No: | BU684 |
| Chassis: | Bristol MW6G | Chassis No: | 195.192 |
| Body: | ECW B45F | Body No: | 13434 |
| Apr 63 | In service with United Automobile Services Limited, Darlington (BU684) |
| Nov 64 | Fleet number changed to U684 |
| Jan 69 | Fleet number changed to 2684 |
| <Mar 75 | Transferred to Gallowgate |
| Feb 77 | Out of service with United Automobile Services Limited, Darlington (2684) |