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| Operator: | Crosville | Fleet No: | MB312 |
| Chassis: | Bristol K6B | Chassis No: | 68.129 |
| Body: | ECW L27/28R | Body No: | 2506 |
| Dec 48 | In service with Crosville Motor Services Limited, Chester (MB312) |
| 1949 | Fleet number changed to MW312 |
| May 58 | Fleet number changed to DKB312 |
| 1966 | Out of service with Crosville Motor Services Limited, Chester (DKB312) |
| May 66 | F Cowley, Salford (dealer) |
| S & J R Cubbins, Farnworth (dealer) |