British Rail Class 172 Turbostar | |
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![]() West Midlands Railway Class 172/3s at Birmingham Moor Street | |
![]() West Midlands Railway Class 172 saloon | |
In service | 10 July 2010 – present |
Manufacturer | Bombardier Transportation |
Built at | Derby Litchurch Lane Works |
Family name | Turbostar |
Replaced | |
Constructed | 2010–2011 |
Number built | 39 |
Successor | |
Formation | |
Fleet numbers |
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Capacity |
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Owners |
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Operators | West Midlands Railway |
Depots | Tyseley[4] |
Lines served | |
Specifications | |
Car body construction | Welded aluminium with steel ends[5] |
Car length | |
Width | 2.69 m (8 ft 10 in)[1] |
Height | 3.77 m (12 ft 4 in)[1] |
Doors | Double-leaf sliding plug (2 per side per car) |
Maximum speed | |
Weight | (see § Vehicle weights) |
Axle load | Route Availability 1[1] |
Prime mover(s) | 2 or 3 × MTU 6H 1800 R83 (one per car)[5][6][1] |
Engine type | Inline-6 four-stroke turbo-diesel[7] |
Displacement | 12.8 L (782 cu in) per engine[7] |
Power output | 360 kW (480 hp) per engine[7] |
Transmission | ZF Ecomat HP 902 R (6-speed mechanical)[5][6] |
UIC classification |
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Bogies | Bombardier B5006[5][6] |
Braking system(s) | Electro-pneumatic (disc) (Westinghouse 3-step)[1] |
Safety system(s) | |
Coupling system | BSI[1] |
Multiple working | Within class, and with Classes 14x, 15x, and 170[5][6] |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The British Rail Class 172 is a British diesel multiple unit (DMU) passenger train from the Turbostar family, built by Bombardier Transportation's Derby Litchurch Lane Works for use on inner-suburban passenger services. The class is currently operated by West Midlands Railway.
The Class 172 is part of the Turbostar range, similar to the Class 168, Class 170 and Class 171.