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| Operator: | United Automobile | Fleet No: | BU121 |
| Chassis: | Bristol LS5G | Chassis No: | 105.122 |
| Body: | ECW B45F | Body No: | 7639 |
| Jun 55 | In service with United Automobile Services Limited, Darlington (BU121) |
| Nov 64 | Fleet number changed to U121 |
| Jan 69 | Fleet number changed to 2121 |
| 1969 | Out of service with United Automobile Services Limited, Darlington (2121) |
| Nov 69 | F Cowley Limited, Salford (dealer) |
| May 70 | Unidentified Owner (Touring vehicle with 'Jonah the Giant Whale') |