Diesel multiple unit facts for kids

Multiple unit trains
Subtypes
Electric multiple unit Diesel multiple unit Push-pull train
Technology
Multiple-unit train control
By Country
Britain (DMU) Britain (EMU) Ireland

DMU, type SA108 of Great Poland Voivodship in Poznań, Poland

The Transwa Prospector DEMU capable of up to 200 km/h provides a passenger service between Perth, Western Australia and the mining town of Kalgoorlie

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)

Related pages

Images for kids

An IE 29000 Class diesel multiple unit on a western commuter service at Dublin Connolly Rail Station, Dublin, Ireland
DMU 7023 at Zagreb Central Station
ČD Class 810
Iarnród Éireann DMU 2751 at Limerick Colbert station, 2006
Romanian Class 77 Malaxa DMU in Campulung Est in 2006
ZSSK Class 813
East Midlands Trains Class 222 at London St Pancras
Northern Ireland Railways C3K at Yorkgate station
Two Bombardier Talent low-floor DMUs on the O-Train Trillium Line in Ottawa, Canada
Apollo 2400 DMU in service in Costa Rica
Budd Rail Diesel Car RDC-1 #407 of the Cape May Seashore Lines, New Jersey
Adelaide Metro 3000 class railcars operating in Adelaide, South Australia
A DEMU train (right) at Kamalapur Railway Station , Dhaka
Diesel hydraulic multiple unit
KRDI (Indonesian-built). KRDI Inka produced at Madiun.Sri Lelawangsa DMU, Medan
JR Hokkaido KiHa 283 tilting DMU on Hakodate Main Line
Philippine National Railways KiHa 52 At Ligao Station
Korail DHC-PP with new CI colour