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| Operator: | United Automobile | Fleet No: | BU643 |
| Chassis: | Bristol MW5G | Chassis No: | 184.187 |
| Body: | ECW B45F | Body No: | 12655 |
| 1961 | United Automobile Services Limited, Darlington (BU643) |
| Mar 62 | In service with United Automobile Services Limited, Darlington (BU643) |
| Nov 64 | Fleet number changed to U643 |
| Jan 69 | Fleet number changed to 2643 |
| Jan 69 | Out of service with United Automobile Services Limited, Darlington (2643) |
| Jan 69 | In service with Ribble Motor Services Limited, Preston (275) |
| 1972 | Out of service with Ribble Motor Services Limited, Preston (275) |
| Jul 72 | S & N Motors Limited, Glasgow (dealer) |
| Jul 72 | Donald Martindale Limited, Chorley (dealer) |
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Owner : United Automobile U643 Location : Not Known Date : Not Known
(C) Brian Botley |
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Owner : Ribble 275 Location : Carlisle Bus Station Date : November 1969
(C) Alan Murray-Rust |
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Owner : Ribble 275 Location : Hexham Bus Station Date : September 1970
(C) Donald Hudson |