British Rail Class 802

British Rail Class 802
British Rail Class 802
	Great Western Railway Class 802 at Par
	The standard-class interior of a GWR Class 802 unit
In service	2018–present
Manufacturer	Hitachi Rail
Built at	Kudamatsu, Japan; Pistoia, Italy;
Family name	A-train
Replaced	Class 180; InterCity 125; Mark 5A carriages;
Constructed	2017–2020
Number built	60; (22 × 802/0, 14 × 802/1, 19 × 802/2, 5 × 802/3);
Formation	5 cars per 802/0 and 802/3 unit:; DPTS-MS-MS-MC-DPTF; 9 cars per 802/1 unit:; DPTS-MS-MS-TS-MS-TS-MS-MF-DPTF; 5 cars per 802/2 unit:; DPTS-MS-MS-MS-DPTF;
Fleet numbers	802001–802022; 802101–802114; 802201–802219; 802301–802305;
Capacity	802/0: 326 seats (36 first class, 290 standard); 802/1: 647 seats (71 first class, 576 standard); 802/2: 342 seats (24 first class, 318 standard); 802/3: 327 seats (43 first class, 284 standard);
Owners	802/0 & /1: Eversholt Rail Group; 802/2 & /3: Angel Trains;
Operators	Great Western Railway; Hull Trains; TransPennine Express;
Depots	GWR:; Laira (Plymouth); HT:; Bounds Green (London); TPE:; Doncaster Carr;
Lines served	Cornish Main Line; East Coast Main Line; Great Western Main Line; North Trans-Pennine Route;
Specifications
Car body construction	Aluminium
Car length	Driving vehicles:; 25.7 m (84 ft 4 in); Intermediate vehicles; 26 m (85 ft 4 in);
Doors	Single-leaf pocket sliding (2 per side per car)
Maximum speed	125 mph (200 km/h)
Weight	5-car units: 243 tonnes (239 long tons; 268 short tons); 9-car units: 438 tonnes (431 long tons; 483 short tons);
Prime mover(s)	MTU 12V 1600 R80L (3 per 5-car unit, 5 per 9-car unit)
Engine type	4-stroke V12 turbo-diesel with SCR
Displacement	21 L (1,284 cu in) per engine
Power output	700 kW (940 hp) per engine
Acceleration	1 m/s2 (2.2 mph/s)
Electric system(s)	25 kV 50 Hz AC overhead
Current collector(s)	Pantograph
Safety system(s)	AWS; BR ATP (GWR units only); ETCS; TPWS;
Coupling system	Dellner 10
Multiple working	Within class
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

The British Rail Class 802 is a type of high-speed bi-mode multiple-unit passenger train designed and produced by the Japanese manufacturer Hitachi Rail. It has been operated by Great Western Railway, TransPennine Express, and Hull Trains; each of these train operating companies has given its own units a unique brand: Great Western Railway's units are branded Intercity Express Trains (IETs), TransPennine Express units are branded Nova 1s and Hull Trains' units are branded Paragons.

The Class 802 is based on the design of the Hitachi A-train, being a member of the Hitachi AT300 product family. They are near-identical to the preceding Class 800, the primary difference between the two being the diesel engines originally set to a higher power output and enlarged fuel tanks for their intended use on lengthier unelectrified stretches of railway. The introduction of Class 802s by Great Western Railway facilitated the replacement of ageing Intercity 125 high-speed trains, and enabled a reduction of journey times.

Various enhancement and modification schemes have been both implemented and proposed. Both Great Western Railway and TransPennine Express have agreed to participate in trials of battery train technology that, dependent on results, may see fleetwide adoption. In the event of large-scale electrification being funded and implemented during the train's service life, it is practical for some of the engines to be removed from Class 802 sets if rendered surplus, which would reduce their overall weight by 15% and thus raise operational efficiency. Furthermore, while the Class 802s presently have an initial maximum speed of 125 mph, if infrastructure upgrades were to permit greater speeds at a future date, they have the capability of being modified for operating at 140 mph.

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