British Rail Class 221

British Rail Class 221
*Super Voyager*
British Rail Class 221; Super Voyager
	CrossCountry Class 221 at Leamington Spa in 2015
	Standard Class interior on a refurbished Avanti West Coast unit
Manufacturer	Bombardier Transportation
Built at	Bruges, Belgium; Wakefield, England;
Family name	Voyager
Replaced	InterCity 125; Class 47 locos & Mark 2 coaches; Class 158;
Constructed	2001–2002
Entered service	12 April 2002 – present
Number built	44
Successor	Class 805 & Class 807 (Avanti West Coast)
Formation	4-car units:; DMSL-MSRB-MSL(A)-DMFL; 5-car units:; DMSL-MSRB-MSL(A)-MSL(B)-DMFL;
Diagram	DMSL vehicles: DF210; MSRB vehicles: DG201; MSL vehicles: DG202; DMFL vehicles: DF101;
Fleet numbers	221101–221144
Capacity	As built:; 4-car units: 186 seats; (26 first-class, 160 standard); 5-car units: 246 seats; (26 first-class, 220 standard);
Operators	Avanti West Coast; CrossCountry; Grand Central;
Depots	Current; Central Rivers (Staffordshire); Future; Crofton TMD;
Specifications
Car body construction	Steel
Car length	DM vehs.: 23.85 m (78 ft 3 in); Others: 23.67 m (77 ft 8 in);
Width	2.73 m (8 ft 11 in)
Height	3.75 m (12 ft 4 in)
Doors	Single-leaf sliding plug, two per side per car
Wheelbase	Bogies: 2.700 m (8 ft 10.3 in)
Maximum speed	125 mph (200 km/h)
Axle load	Approx. 17 t (17 LT; 19 ST)
Traction system	Alstom Onix 800 IGBT, two traction motors per car
Prime mover(s)	Cummins QSK19-R, one per car
Engine type	Inline-6 turbo-diesel
Displacement	19 L (1,159 cu in) per engine
Power output	559 kW (750 hp) per engine; 350 kW (470 hp) per traction motor;
UIC classification	1A′A1′+1A′A1′+...+1A′A1′
Bogies	Bombardier HVP
Braking system(s)	Electro-pneumatic (disc) and rheostatic
Safety system(s)	AWS; TPWS; TASS;
Coupling system	Dellner 12
Multiple working	Within class, and with Class 220
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

The British Rail Class 221 Super Voyager is a class of tilting diesel-electric multiple unit express passenger trains built in Bruges, Belgium, by Bombardier Transportation in 2001–02.

The class is similar to the Class 220 Voyager, but was built with a tilting mechanism enabling up to six degrees of tilt to allow higher speeds on curved tracks. Additionally, most have five coaches, and they have a different bogie design. They have a maximum speed of 125 mph (200 km/h).

The trains are divided between three operators, Avanti West Coast (18 sets), CrossCountry (24 sets) and Grand Central (2 sets). CrossCountry sets had their tilt function disabled in 2008 to improve reliability and reduce maintenance costs.

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