An electro-diesel multiple unit (EDMU) or bi-mode multiple unit (BMU) is a form of a

multiple unit A multiple-unit train or simply multiple unit (MU) is a self-propelled train composed of one or more carriages joined together, which when coupled to another multiple unit can be controlled by a single driver, with multiple-unit train cont ...

that can be powered either by electric power picked up from the

overhead line An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, trolleybuses or trams. It is known variously as: * Overhead catenary * Overhead contact system (OCS) * Overhead equipm ...

s or

third rail A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway ...

(like an

electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number ...

– EMU) or by using an onboard diesel engine, driving an

electric generator In electricity generation, a generator is a device that converts motive power ( mechanical energy) or fuel-based power (chemical energy) into electric power for use in an external circuit. Sources of mechanical energy include steam turbines, g ...

, which produces AC or DC electric power (like a

diesel-electric multiple unit 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 al ...

– DEMU).

List of BMUs

Asia

China

Two variants of the China Railway CR200J-SG Fuxing (HXD1D-J and FXN3-J) high-speed train are electro-diesel (bi-mode) multiple units specifically designed for plateau operation. They are HXD1D-J manufactured by

CRRC Zhuzhou Locomotive CRRC Zhuzhou Locomotive Co., Ltd. is one of the electric locomotive manufacturers in China. It is one of the subsidiaries of CRRC. History Predecessor Zhuzhou Electric Locomotive Works was founded in 1936. CRRC Zhuzhou Locomotive Co., Ltd. ...

and FXN3-J manufactured by

CRRC Dalian CRRC Dalian Co., Ltd. (), often abbreviated as DLoco, is a company located in Dalian, Liaoning Province, China, producing railway locomotives, multiple units and diesel engines. The factory was established in 1899 during the period of constructio ...

. Two variants are served on Sichuan–Tibet railway.

Oceania

Australia

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

Europe

France

Bombardier has built dual-mode variants of its AGC series for the

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

operator

SNCF The Société nationale des chemins de fer français (; abbreviated as SNCF ; French for "National society of French railroads") is France's national state-owned railway company. Founded in 1938, it operates the country's national rail traffic ...

; the electricity is collected by means of a

pantograph A pantograph (, from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a second pen. If a line dr ...

. * B 81500 –

trains using

catenary In physics and geometry, a catenary (, ) is the curve that an idealized hanging chain or cable assumes under its own weight when supported only at its ends in a uniform gravitational field. The catenary curve has a U-like shape, superfici ...

. In service since 2005. * B 82500 – multiple unit trains using both and 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

* BTR 813, first electro-diesel version of the Stadler Flirt, service in the

Valle d'Aosta , Valdostan or Valdotainian it, Valdostano (man) it, Valdostana (woman)french: Valdôtain (man)french: Valdôtaine (woman) , population_note = , population_blank1_title = Official languages , population_blank1 = Italian French , ...

region since October 2019.

Norway

* 14 bi-modal variants of the Stadler Flirt trains, called in Norway, held by the state owned Norske Tog and operated by the line operator

SJ AB SJ (formally ''SJ AB'') is a government-owned passenger train operator in Sweden. SJ was created in 2001, out of the public transport division of '' Statens Järnvägar'', when the former government agency was divided into six separate governmen ...

(as SJ Nord) entering service in 2021.

Poland

Newag Impuls Newag Impuls is a family of standard-gauge electric, diesel and bi-mode (''hybrid'') multiple units manufactured by Polish railway rolling stock manufacturer Newag. Manufactured in several versions, they differ in the number of cars and purpose ...

is offered in electro-diesel (''hybrid'') version. First units were delivered to

West Pomeranian Voivodeship The West Pomeranian Voivodeship, also known as the West Pomerania Province, is a voivodeship (province) in northwestern Poland. Its capital and largest city is Szczecin. Its area equals 22 892.48 km² (8,838.84 sq mi), and in 2021, it was ...

and started regular revenue service in early 2021.

Russia

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

United Kingdom

Westbury_-_GWR_802021%2B802014_leaving_for_London

Electro-diesel multiple units whose electricity source is

include: *

British Rail Class 800 The British Rail Class 800 ''Intercity Express Train'' or ''Azuma'' is a type of bi-mode multiple unit train built by Hitachi Rail for Great Western Railway and London North Eastern Railway. The type uses electric motors powered from overhead e ...

– high-speed multiple unit for use on

Great Western Railway The Great Western Railway (GWR) was a British railway company that linked London with the southwest, west and West Midlands of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament on 31 August 1835 and ran ...

and

London North Eastern Railway London North Eastern Railway (LNER) is a British train operating company. It is owned by the DfT OLR Holdings for the Department for Transport (DfT). The company's name echoes that of the London and North Eastern Railway, one of the Big Fou ...

inter-city services. In service since October 2017. *

British Rail Class 802 The British Rail Class 802 is a type of high speed bi-mode multiple-unit passenger train designed and produced by the Japanese manufacturer Hitachi Rail. It has been operated by Great Western Railway, TransPennine Express, and Hull Trains; each ...

– high-speed multiple unit for use on Great Western Railway,

Hull Trains Hull Trains is an open-access railway operator in England owned by the multinational transport company FirstGroup. It operates long-distance passenger services between Hull / Beverley and London King's Cross. It has a track-access agreement u ...

and

TransPennine Express TransPennine Express (TPE), legally First TransPennine Express Limited, is a British train operating company owned by FirstGroup that operates the TransPennine Express franchise. It runs regional and inter-city rail services between the major ci ...

inter-city services. In service since August 2018. * British Rail Class 805 – high-speed multiple unit for use on

West Coast Main Line The West Coast Main Line (WCML) is one of the most important railway corridors in the United Kingdom, connecting the major cities of London and Glasgow with branches to Birmingham, Liverpool, Manchester and Edinburgh. It is one of the busiest ...

Avanti West Coast Avanti West Coast is a train operating company in the United Kingdom owned by FirstGroup (70%) and Trenitalia (30%) that operates the West Coast Partnership franchise. During November 2016, the Department for Transport (DfT) announced the Inter ...

services to

Shrewsbury Shrewsbury ( , also ) is a market town, civil parish, and the county town of Shropshire, England, on the River Severn, north-west of London; at the 2021 census, it had a population of 76,782. The town's name can be pronounced as either 'Sh ...

and the

North Wales Coast Line The North Wales Coast Line ( cy, Llinell Arfordir Gogledd Cymru), also known as the North Wales Main Line ( cy, Prif Linell Gogledd Cymru or cy, label=none, Prif Linell y Gogledd), is a major railway line in the north of Wales and Cheshire, ...

, replacing Class 221s *

British Rail Class 768 The British Rail Class 768 is a class of bi-mode multiple unit being converted from passenger trains by Brush Traction and Wabtec to carry parcels. History In December 2018, Rail Operations Group (ROG) ordered two Class 769s that were in the p ...

– multiple unit converted from Class 319 (with external dual-system/voltage support), for use by

Rail Operations Group Rail Operations Group (ROG) specialises in ad-hoc movement of rolling stock for rolling stock companies and train operating companies as well as locomotive spot hire services and the operation of charter trains. It has its headquarters and main ...

on parcel services. *

British Rail Class 769 The British Rail Class 769 ''Flex'' is a type of bi-mode multiple unit (BMU) and tri-mode multiple unit (TMU) which is currently being converted by Brush Traction, and running in service with Transport for Wales Rail and Northern Trains. The t ...

– multiple unit converted from Class 319 (with external dual-system/voltage support), for use on Great Western Railway,

Northern Northern may refer to the following: Geography * North, a point in direction * Northern Europe, the northern part or region of Europe * Northern Highland, a region of Wisconsin, United States * Northern Province, Sri Lanka * Northern Range, a r ...

and

Transport for Wales Transport for Wales (TfW; cy, Trafnidiaeth Cymru; cy, TrC, label=none) is a not-for-profit company owned by the Welsh Government and managed at arms length by its appointed board. TfW oversees the Transport for Wales Group (TfW Group) cons ...

regional services. Introduction from December 2019. *

British Rail Class 755 The British Rail Class 755 is a class of bi-mode multiple unit passenger train built by Stadler Rail for Greater Anglia. Part of the FLIRT modular train family, the trains first entered service on 29 July 2019 and are used on regional and loca ...

– multiple unit for use on Greater Anglia regional services. In service since July 2019 (755/4).

References

Multiple units Hybrid_multiple_units {{train-stub