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| British Rail Class 159 South Western Turbo | |
|---|---|
 South Western Railway Class 159 in 2018 | |
 Standard-class interior as refreshed by SWR | |
| In service | 10 June 1993 – present[1] |
| Manufacturer | British Rail Engineering Limited |
| Built at | Derby Litchurch Lane Works |
| Family name | Sprinter |
| Replaced | Locomotive-hauled trains |
| Constructed |
|
| Refurbished |
|
| Number built | 22 (plus 8 converted from Cl. 158) |
| Number scrapped | 2 vehicles |
| Formation | 3 cars per unit: DMCL-MSL-DMSL[2] |
| Fleet numbers |
|
| Capacity | 169 seats[4] (23 first-class, 146 standard) |
| Operators | South Western Railway |
| Depots | Salisbury |
| Lines served | West of England Main Line |
| Specifications | |
| Car body construction | Welded aluminium |
| Car length | 22.57 m (74 ft 1 in)[5] |
| Width | 2.70 m (8 ft 10 in)[2] |
| Height | 3.73 m (12 ft 3 in)[2] |
| Doors | Double-leaf plug[2] (2 per side per car) |
| Maximum speed | 90 mph (145 km/h)[2] |
| Weight | approx. 38.5 t (38 long tons; 42 short tons) per car[2] |
| Axle load | Route Availability 1[2] |
| Prime mover(s) |
|
| Engine type | Inline-6 4-stroke turbo-diesel[6] |
| Displacement | 14 L (855 cu in) per engine[6] |
| Power output |
|
| Transmission | Voith T 211 rz (hydrokinetic)[2] |
| UIC classification | 2′B′+B′2′+B′2′ |
| Bogies |
|
| Braking system(s) | Pneumatic (disc)[2] |
| Safety system(s) | |
| Coupling system | BSI[2] |
| Multiple working | Within class, and with Classes 14x, 15x, and 170[2] |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The British Rail Class 159 is a class of British diesel multiple unit passenger trains of the Sprinter family, built in 1989–1992 by British Rail Engineering Limited (BREL)'s Derby Litchurch Lane Works as Class 158. Before entering traffic, the original 22 units were modified at Rosyth Dockyard to Class 159 to operate services from London Waterloo to Salisbury and Exeter St Davids, replacing various locomotive-hauled passenger trains.
The units were originally branded by Network SouthEast as South Western Turbo.[1]
- ^ a b "Enter the South Western Turbos". Rail Magazine. No. 192. Peterborough. 20 January 1993.
- ^ a b c d e f g h i j k l Class 159 Diesel Multiple Unit (PDF) (1A ed.). Derby: Porterbrook Leasing Company. January 2013. Archived from the original (PDF) on 16 June 2015. Retrieved 8 December 2022.
- ^ Cite error: The named reference
Fleetlistwas invoked but never defined (see the help page). - ^ "Class 159 'South Western Turbo'". London: First MTR South Western Trains. Archived from the original on 24 November 2022. Retrieved 8 December 2022.
- ^ "Regional Passenger Trains – Class 158". London: Angel Trains. Archived from the original on 10 March 2016. Retrieved 7 December 2022.
- ^ a b Marine Engine General Data Sheet N/NT/NTA 855-M (PDF). Columbus, Indiana: Cummins Engine Company. 18 February 2002. p. 1. DS-4962. Archived (PDF) from the original on 7 December 2022. Retrieved 7 December 2022.