The Derby class 108 units were a later design, incorporating the experience gained from the early 'lightweight' and later 'heavyweight' DMU designs to provide a tough, long-lived carriage with robust mechanicals below. These smart looking units were among the last 'first generation' DMUs to be retained in BR service.
Eras 5-6. DCC and Sound Ready. 6 pin decoder required for DCC operation. Sound decoder and speaker required for sound fitting. Directional lighting. NEM plug-in couplers. Length 275mm.