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Locomotive-Specs
BREL BR 421/2 – photo 1© trainspo.com
Electric multiple unit

BREL BR 421/2

Built by BREL

Top speed
145 km/h
90 mph
Track gauge
1,435 mm
Standard gauge
Years built
1964–1972

Overview of the BREL BR 421/2

Discover the BR 421/2, an iconic Electric Multiple Unit (EMU) that served the United Kingdom under the British Railways Board.

Built by BREL between 1964 and 1972, this robust locomotive underwent significant refurbishment from 1986 to 1988, ensuring its continued performance.

With a top speed of 145 km/h, a width of 2.82 meters, and a height of 3.89 meters, the BR 421/2 is engineered for efficiency. It operates on a 750 V DC electric system, drawing power from a third rail, making it a dependable choice for rail transport.

Each car measures 20.25 meters, and it features a standard gauge of 1435 mm. The BR 421/2 stands as a testament to British railway engineering, recognized for its reliability and dedicated service.

BREL BR 421/2 technical specifications

Value
SeriesBR 421
Built byBREL · 1964–1972
Refurbished1986 - 1988 (10)
Top speed145 km/h90 mph
Electric systems
  • 750 V DC (3rd rail)
Track gauge1,435 mmStandard gauge4 ft 8½ in
Car length20.25 m66 ft 5 in
Width2.82 m9 ft 3 in
Height3.89 m12 ft 9 in

Operators of the BREL BR 421/2

Railway companies that have operated the BR 421/2, with the class designation used by each of them.

OperatorClassCountry
British Railways BoardBR 421/2United Kingdom

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