page_title: Diesel multiple unit
section_title: India
hierarchical_section_title: Diesel multiple unit / Around the world / Asia/Australasia / India
caption_attribution_description: English: A recently found image of 700 HP DHMU (later converted to DEMU) at Goa
context_page_description: A diesel multiple unit or DMU is a multiple-unit train powered by on-board diesel engines. A DMU requires no separate locomotive, as the engines are incorporated into one or more of the carriages. Diesel-powered single-unit railcars are also generally classed as DMUs. Diesel-powered units may be further classified by their transmission type: diesel–mechanical DMMU, diesel–hydraulic DHMU, or diesel–electric DEMU.
context_section_description: DMUs (DEMUs) are widely used in India. DEMUs in India are used in both the 8 coach format and the 4 coach format. These trains replaced many (up to 10 car) trains with a WDM-2 or WDM-3A locomotive in the middle. These old trains had the loco controls duplicated in the Driving Trailer coach and all the actuation information reaching the locomotive through thin communication lines. This was called 'push-pull train'. The longest running such push-pull service operated between Diva - Bhiwandi Road and Vasai Road and was recently converted into an MEMU train service in 2018.
  India's first and largest DMU shed at Jalandhar, Punjab Which holds more than 90 units placed in service All over Punjab
  First generation DMU:
  Rated power was 700 HP and had 3 or 6 coaches, made first by ICF. 
  Transmission was Voith-hydraulic. 
  Max speed 100 kmph.
  Second generation DMU:
  Rated power is 1400 HP and have 8 coaches. 
  Max speed is 105 kmph. 
  Transmission is DC electric. 
  Made at HCF and RCF.
  Third generation DMU:
  Rated power is 1600 HP and have 10 coaches. 
  Max speed is 110 kmph. 
  Transmission is AC electric. 
  Made at ICF.
caption: Diesel Hydraulic Multiple Unit
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