British Rail Class 175

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British Rail Class 175 Coradia
Hereford - Keolis Amey 175003 Carmarthen service.JPG
Transport for Wales 175003 at Hereford in 2018
In service2000–present
ManufacturerAlstom
Built atWashwood Heath
Family nameCoradia
Constructed1999–2001
Number built27 trainsets
Number in service27 trainsets
Formation2 (175/0) or 3 (175/1) cars per trainset
Capacity134 or 206 per trainset
Operator(s)Transport for Wales
Depot(s)Chester
Specifications
Car body constructionSteel
Car lengthDriving end vehicles 23.71 m (77 ft 9 in)
Centre cars 23.03 m (75 ft 7 in)
Width2.73 m (8 ft 11 in)
DoorsSwing plug at vehicle ends
Articulated sectionsFlexible diaphragm within unit only
Maximum speed100 mph (160 km/h)
Weight97.85 t (96.30 long tons; 107.86 short tons) or 144.14 t (141.86 long tons; 158.89 short tons) per trainset
Prime mover(s)Cummins N14 diesel - 450 hp (340 kW) 2100 rpm
TransmissionVoith T211 and ZF Voith final drive
Braking system(s)Friction/Hydrodynamic
Safety system(s)AWS, TPWS
Coupling systemScharfenberg
Track gauge1,435 mm (4 ft 8 12 in) standard gauge
175115 at Crewe on 1 November 2003, with a late night First North Western service to Holyhead.
175110, at Manchester Picadilly on 17 April 2008 in the 'ghostly' livery trialled by Arriva Trains Wales
175108, at Cardiff Central, in old First North Western livery
175008, at Newport, in the Arriva Trains Wales livery.

The Class 175 Coradia is a model of diesel multiple unit passenger train used in the United Kingdom. They were built from 1999–2001 by Alstom at Washwood Heath in Birmingham. The fleet is currently based at Chester Depot. The fleet is used in North Wales on services from Holyhead, South Wales, normally going south or up to the North Wales Coast. Many also operate round the Manchester area.