British Rail Class 802

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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. The type has been operated by Great Western Railway, TransPennine Express, and Hull Trains, and each of the train operating companies has given the units their own 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 (201 km/h), if infrastructure upgrades were to permit greater speeds at a future date, they have the capability of being modified for operating at 140 mph (230 km/h).