The British Rail Class 230 D-Train is a diesel-electric multiple unit, diesel-battery electric multiple unit or battery electric multiple unit built by rolling stock manufacturer Vivarail for the British rail network. The units are converted from old London Underground D78 Stock, originally manufactured in 1980 by Metro-Cammell, and have been assigned the designation of Class 230 under TOPS.
Transport for Wales Class 230 at Wrexham Central
Interior of a Transport for Wales unit
Pre-conversion London Underground D78 Stock at West Ham station.
Prototype D-train at the test track at Long Marston in Warwickshire.
Battery electric multiple unit
A battery electric multiple unit (BEMU), battery electric railcar or accumulator railcar is an electrically driven multiple unit or railcar whose energy is derived from rechargeable batteries driving the traction motors.
The Japanese lead the world in battery trains with at least 23 battery electric multiple units in regular operation, replacing diesel multiple units (DMU) on non-electrified routes or non-electrified sections of route.
Railcar no. 517 008 of the German national railway, DB
British Rail BEMU, operationally fare paying from 1955 to 1966, now acting as a shunting train.
Supercapacitor trams on the Haizhu Tram in Guangzhou.