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Locomotive-Specs
BREL BR 317 – photo 1© trainspo.com
Electric multiple unit

BREL BR 317

Built by BREL

Top speed
160 km/h
99 mph
Track gauge
1,435 mm
Standard gauge
Years built
1981–1987
72 units

Overview of the BREL BR 317

Explore the BR 317, a versatile British Electric Multiple Unit (EMU).

This series, also known as the BR Mark 3, was built by BREL between 1981 and 1987 and underwent a significant refurbishment from 1998 to 2000.

With a top speed of 160 km/h and a standard gauge of 1435 mm, the BR 317 is designed for efficient passenger transport across the United Kingdom.

Operating on 25 kV AC 50 Hz electric systems, these 4-car formations offer reliable service.

The BR 317 has been a key asset for various operators including Abellio Greater Anglia, British Railways Board, and London Overground, showcasing its enduring service and adaptability in modern rail operations.

BREL BR 317 technical specifications

Value
FamilyBR Mark 3
Built byBREL · 1981–198772 units
Refurbished1998 - 2000 (72)
Top speed160 km/h99 mph
Electric systems
  • 25 kV AC 50 Hz
Track gauge1,435 mmStandard gauge4 ft 8½ in
Formation4 cars
Car length19.83 m65 ft 1 in
Width2.82 m9 ft 3 in
Height3.7 m12 ft 2 in

Operators of the BREL BR 317

Railway companies that have operated the BR 317, with the class designation used by each of them.

OperatorClassCountry
Abellio Greater AngliaAGA 317/5United Kingdom
British Railways BoardBR 317/1United Kingdom
London Overground Rail Operations LtdLO 317/7United Kingdom
London Overground Rail Operations LtdLO 317/8United Kingdom
Thameslink Great NorthernTGN 317/1United Kingdom

BREL BR 317 photos

Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.

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