Diesel multiple unit
Multiple unit trains |
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Subtypes |
Technology |
By Country |
A diesel multiple unit or DMU is a multiple unit train consisting of multiple carriages powered by one or more on-board diesel engines. They may also be referred to as a railcar or railmotor, depending on country.
Transmission
The diesel engine drives the train through a transmission system. The transmission system may be:
- Mechanical, using a gearbox (diesel-mechanical)
- Hydraulic, using a torque converter (diesel-hydraulic)
- Electric, using a generator to power traction motors (diesel-electric)
Diesel Multiple Unit Media
A JNR Class KiHa40 in use for Erimo Express service, Hokkaido, Japan
An IE 29000 Class diesel multiple unit on a western commuter service at Dublin Connolly Rail station, Ireland
A British Rail Class 185 diesel hydraulic multiple unit operated by TransPennine Express at Manchester Piccadilly station, United Kingdom
One of the underfloor diesel engines with hydraulic transmission under a car of JR Shikoku 2700 series DMU
Motorový vůz 810, oblast stanice Libuň
ČD Class 814, Mladějov, Jičín District
Romanian Class 77 Malaxa DMU in Câmpulung Moldovenesc, 2006
Related pages
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