Diesel_multiple_unit
Multiple unit trains |
---|
Subtypes |
Electric multiple unit |
Technology |
Multiple-unit train control |
By Country |
Britain (DMU) |
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Prospector_new_railcar%2C_Toodyay.jpg/220px-Prospector_new_railcar%2C_Toodyay.jpg)
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
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
Wikimedia Commons has media related to Diesel multiple units, motor coaches and railcars.
- Electric multiple unit
- Diesel locomotive
- Multiple unit
- Railways
- Multiple units of Ireland