A
diesel multiple unit (DMU) is a type of train where the traction is supplied by driving
bogies under one or more carriage. The driver's cab is usually truncated to a short room at both ends. The quicker turnaround time that results, and the reduced size compared with large
Locomotive-hauled trains, has made the DMU a major part of
suburban commuter rail services.
See also: Electrical multiple unit Locomotive Train