Electro-diesel multiple unit

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SNCF Class B 81500, an example of an electro-diesel multiple unit

An electro-diesel multiple unit (EDMU) or bi-mode multiple unit (BMU) is a form of a multiple unit that can be powered either by electric power picked up from the overhead lines or third rail (like an electric multiple unit – EMU) or by using an onboard diesel engine, driving an electric generator, which produces AC or DC electric power (like a diesel-electric multiple unit – DEMU).^[1][2]

List of BMUs[]

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Oceania[]

Australia[]

NSW TrainLink Regional Train Project is building 117 bi-mode carriages (1.5 kV DC) to replace its diesel fleet of interstate and regional XPT, Xplorer and Endeavour trainsets to be delivered by CAF from 2023.

Europe[]

France[]

SNCF B 82500 BMU

Bombardier has built dual-mode variants of its AGC series^[3] for the French operator SNCF; the electricity is collected by means of a pantograph.

• B 81500 – multiple unit trains using 1.5 kV DC catenary. In service since 2005.
• B 82500 – multiple unit trains using both 1.5 kV DC and 25 kV AC catenary. In service since October 2007.
• Alstom Règiolis (B 83500, B 84500, B 85000, B 85900). In service since April 2014 (B 83500 and B 84500).

Italy[]

• ,^[4] first electro-diesel version of the Stadler Flirt, service in the Valle d'Aosta region.^[5] In service since October 2019.

Norway[]

• 14 bi-modal variants of the Stadler Flirt trains, called "Type 76" (Class 76)^[6] in Norway, held by the state owned Norske Tog and operated by the line operator SJ AB (as SJ Nord) entering service in 2021. ^[7]

Poland[]

• Newag Impuls is offered in electro-diesel (hybrid) version.^[8] First units were delivered to West Pomeranian Voivodeship and started regular revenue service in early 2021.^[9]

Russia[]

• DT1 (ДТ1) Russian-gauge multiple unit. In service since 2009.

United Kingdom[]

British Rail Class 802

Electro-diesel multiple units whose electricity source is 25 kV 50 Hz AC overhead line include:

• British Rail Class 800 – high-speed multiple unit for use on Great Western Railway and London North Eastern Railway inter-city services. In service since October 2017.
• British Rail Class 802 – high-speed multiple unit for use on Great Western Railway, Hull Trains and TransPennine Express inter-city services. In service since August 2018.
• British Rail Class 768 – multiple unit converted from Class 319 (with external dual-system/voltage support), for use by Rail Operations Group on parcel services.
• British Rail Class 769 – multiple unit converted from Class 319 (with external dual-system/voltage support), for use on Great Western Railway, Northern and Transport for Wales regional services. Introduction from December 2019.
• British Rail Class 755 – multiple unit for use on Greater Anglia regional services. In service since July 2019 (755/4).^[10][11]

See also[]

• Electro-diesel locomotive

References[]

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