British Rail Engineering Limited (BREL)

Born	1 April 1969
Died	1 January 1992
Nationality	British
Employer	British Rail (parent), BREL Crewe, BREL Derby (Litchurch Lane and Loco), BREL York, BREL Eastleigh, BREL Doncaster, BREL Glasgow, BREL Swindon, BREL Wolverton, BREL Horwich, BREL Shildon

British Rail Engineering Limited (BREL) was the wholly-owned engineering subsidiary of British Railways, established on 1 January 1970 under the Transport Act 1968 to consolidate the former BR Workshops into a single corporate entity with a defined commercial structure. At its formation BREL operated thirteen major sites including Crewe, Derby (Litchurch Lane and Locomotive Works), Doncaster, Eastleigh, York, Swindon, Wolverton, and Horwich, between them responsible for all major BR new-build construction and heavy overhaul work.

BREL's output in its two decades of operation spanned the full range of railway engineering from freight locomotive to high-speed train power car to suburban electric multiple unit. The Class 56 and Class 58 heavy freight diesel locomotives were built in the 1970s and early 1980s, and the InterCity 125 power cars (Class 43) — produced from 1975 onward — gave BREL its most commercially successful and technically admired product. The Sprinter family of diesel multiple units (Classes 150 through 158) modernised BR's regional services from the mid-1980s, and large batches of EMUs for the London, Glasgow, and North-West electric networks were built at York and Derby through the same period.

BREL's relationship with BR was always an uneasy one: established as a commercial entity, it was in practice dependent almost entirely on BR contracts, and the Serpell Report of 1982 raised serious questions about its commercial efficiency. From 1989 BR pursued a privatisation of BREL's constituent works: Swindon closed in 1986, Shildon in 1984, and the remaining works were progressively sold. The locomotive-building component — principally Crewe and Derby Locomotive Works — was acquired by ABB Transportation in 1992 and subsequently passed through ADtranz and Bombardier ownership to Alstom, which in 2021 inherited the Derby Litchurch Lane works that is now Britain's last major railway manufacturing facility. The York works closed in 1995, the Doncaster works in 1996.

Biography

British Rail Engineering Limited (BREL) was a wholly-owned subsidiary of British Rail established on 1 January 1970 (under the Transport Act 1968) to consolidate the British Railways Workshops into a single corporate engineering entity. Its 13 main sites at formation, including Crewe, Derby, Doncaster, Eastleigh, York, Swindon and Wolverton, between them undertook all major BR new-build and heavy overhaul work.

BREL's design portfolio in the 1970s and 1980s spanned the Class 56 (1976), Class 58 (1983), the High Speed Train (HST/Class 43) power car (1976), the Class 150–158 Sprinter family of diesel multiple-units, and the Class 313–323 series of electric multiple-units. From 1989 BREL was progressively privatised; the locomotive-building component became BREL Limited and was sold to ABB Transportation in 1992 (later ADtranz, then Bombardier, and now Alstom Transport UK).

Locomotives designed

British Rail Class 150 Sprinter — BR Class 150 "Sprinter" — two- and three-car DMU built 1984–87 by BREL York. 137 sets. The original 1980s "Sprinter" generation; replaced loco-hauled and DMU stock on regional services. Still widely in service in 2026.
British Rail Class 150/2 — Subclass of Class 150 — production batch with longer 23m cars. See Class 150.
British Rail Class 151 — BR Class 151 — three-car DMU prototype built 1985 by Metro-Cammell. Only two prototypes; not selected for production. Both withdrawn 1989; not preserved.
British Rail Class 158 Express Sprinter — BR Class 158 "Express Sprinter" — two- or three-car DMU built 1989–92 by BREL Derby. 182 cars. Designed for cross-country and longer-distance services where Class 156 Sprinters were insufficient. Many still in mainline service in 2026 with multiple operators.
British Rail Class 313 — BR Class 313 — three-car dual-voltage EMU built 1976–77 by BR York. 64 sets. Capable of 25 kV AC overhead and 750 V DC third rail. Used on Great Northern and Euston suburban services. Many still in service in 2026.
British Rail Class 313/2 — Subclass of Class 313 — see that entry.
British Rail Class 313/3 — Subclass of Class 313 — see that entry.
British Rail Class 317 — BR Class 317 — four-car AC EMU built 1981–87 by BR York. 72 sets. Last in service 2022 (Greater Anglia). Some preserved.
British Rail Class 317/2 — Subclass of Class 317 — see that entry.
British Rail Class 318 — BR Class 318 — three-car AC EMU built 1985–86 by BREL York for Strathclyde PTE services. 21 sets. Many still in ScotRail service in 2026.
British Rail Class 318/1 — Subclass of Class 318 — see that entry.
British Rail Class 318/2 — Subclass of Class 318 — see that entry.
British Rail Class 318/3 — Subclass of Class 318 — see that entry.
British Rail Class 319 — BR Class 319 — four-car dual-voltage EMU built 1987–90 by BREL York. 86 sets. Used on Thameslink and West Coast services. Many still in service in 2026 (Northern Trains).
British Rail Class 320 — BR Class 320 — three-car AC EMU built 1990 by BREL York for Strathclyde PTE. 22 sets. All still in ScotRail service in 2026.
British Rail Class 321 — BR Class 321 "Dusty Bin" — four-car AC EMU built 1988–91 by BREL York. 117 sets. Standard outer-suburban EMU for Great Eastern, West Coast, etc. Many remain in service in 2026 with operators including Greater Anglia and West Midlands Trains.
British Rail Class 365 Networker DC — Reference to Class 365 Networker — see that entry.
British Rail Class 465 — BR Class 465 "Networker" — four-car DC EMU built 1991–94 by BREL York. 147 sets. Standard South-Eastern Region suburban EMU. Many still in service in 2026 (Southeastern).
British Rail Class 507 — BR Class 507 — three-car DC EMU for Merseyrail Northern Line, built 1978–80 by BR York. 33 sets. Most still in Merseyrail service in 2026, alongside Class 508s.
British Rail Class 507/2 — Refurbished subclass of Class 507 — see that entry.