Quick facts for kids British Rail Class 172 Turbostar |
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In service |
10 July 2010 - Present |
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Manufacturer |
Bombardier Transportation |
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Family name |
Turbostar |
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Replaced |
Class 150 |
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Constructed |
2010 - 2011 |
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Number built |
39 trainsets |
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Formation |
2 or 3 cars per trainset |
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Capacity |
172/0: 120 seats
172/1: ? seats
172/2: 116 seats
172/3: 188 seats |
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Operator(s) |
London Overground Chiltern Railways West Midlands Trains |
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Line(s) served |
Snow Hill Lines
Chiltern Main Line
Gospel Oak to Barking Line |
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Specifications |
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Car body construction |
Welded aluminium. Steel ends. |
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Car length |
23.62 m (77 ft 6 in) |
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Width |
2.69 m (8 ft 10 in) |
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Height |
3.77 m (12 ft 4 in) |
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Maximum speed |
100 mph (160 km/h) |
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Weight |
41.6 tonnes (40.9 long tons; 45.9 short tons) |
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Prime mover(s) |
One per car, MTU 6H1800R83 |
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Power output |
483 hp (360 kW) |
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Transmission |
ZF Ecomat-Rail 6 speed
ZF Reversing final drive |
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Safety system(s) |
AWS, TPWS
ATP (172/1 only) |
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Track gauge |
1,435 mm (4 ft 8 1⁄2 in) standard gauge |
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The Class 172 is a diesel multiple unit (DMU) of the Turbostar family similar to the Class 168, Class 170 and Class 171.
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First generation units: |
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First generation units
(pre-TOPS): |
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Second generation units: |
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Diesel-electric units: |
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Southern Railway designations: |
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Families |
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Rail Line |
East London Line |
Anerley • Brockley • Canada Water • Canonbury • Crystal Palace • Dalston Junction • Forest Hill • Haggerston • Highbury & Islington • Honor Oak Park • Hoxton • New Cross • New Cross Gate • Norwood Junction • Penge West • Rotherhithe • Shadwell • Shoreditch High Street • Surrey Quays • Sydenham • Wapping • West Croydon • Whitechapel
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Gospel Oak to Barking Line |
Barking • Blackhorse Road • Crouch Hill • Gospel Oak • Harringay Green Lanes • Leyton Midland Road • Leytonstone High Road • South Tottenham • Upper Holloway • Walthamstow Queens Road • Wanstead Park • Woodgrange Park
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North London Line |
Acton Central • Brondesbury • Brondesbury Park • Caledonian Road & Barnsbury • Camden Road • Canonbury • Dalston Kingsland • Finchley Road & Frognal • Gospel Oak • Gunnersbury • Hackney Central • Hackney Wick • Hampstead Heath • Highbury & Islington • Homerton • Kensal Rise • Kentish Town West • Kew Gardens • Richmond • South Acton • Stratford • West Hampstead • Willesden Junction
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South London Line |
Clapham High Street • Clapham Junction • Denmark Hill • Peckham Rye • Queens Road Peckham • Surrey Canal Road • Wandsworth Road
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Watford DC Line |
Bushey • Carpenders Park • Euston • Harlesden • Harrow & Wealdstone • Hatch End • Headstone Lane • Kensal Green • Kenton • Kilburn High Road • North Wembley • Queen's Park • South Hampstead • South Kenton • Stonebridge Park • Watford High Street • Watford Junction • Wembley Central • Willesden Junction
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West London Line |
Clapham Junction • Imperial Wharf • Kensington (Olympia) • Shepherd's Bush • West Brompton • Willesden Junction
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Future phases |
North London Line/
Watford DC line |
Primrose Hill (proposed)
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Rolling Stock |
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Future Rolling Stock |
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Operations |
London Rail • LOROL
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History |
MTR Laing • North London Railway • Orbirail • Overground Network • Silverlink
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Images for kids
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A pair of Chiltern Railways Class 172/1 No. 172104 and No. 172102 at London Marylebone
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West Midlands Trains Class 172/0
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West Midlands Trains Class 172/3