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| Operator: | United Automobile | Fleet No: | S4 |
| Chassis: | Bristol SUL4A | Chassis No: | 226.006 |
| Body: | ECW B36F | Body No: | 14543 |
| 1964 | United Automobile Services Limited, Darlington (S4) |
| Jan 65 | In service with United Automobile Services Limited, Darlington (S4) - Based at Carlisle |
| <Jan 69 | Based at Bishop Auckland |
| Jan 69 | Fleet number changed to 1998 |
| Autumn 71 | Delicensed |
| Spring 72 | Relicensed |
| Sep 72 | Transferred to Richmond |
| Jan 73 | Out of service with United Automobile Services Limited, Darlington (1998) |
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Owner : United Automobile S4 Location : Peter Street Bus Station, Carlisle Date : Not Known
(C) Bristol Vintage Bus Group |
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Owner : United Automobile 1998 Location : Bishop Auckland depot Date : Not Known
(C) Brian Botley |
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Owner : United Automobile 1998 Location : Bishop Auckland depot Date : Not Known
(C) Bob Gray |
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Owner : United Automobile 1998 Location : Market Place, Bishop Auckland Date : September 1971
(C) Donald Hudson |