British Rail Class 91
| British Rail Class 91 | |
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| 91111 at King’s Cross station, London | |
| Power type | Electric |
|---|---|
| Builder | BREL |
| Build date | 1988–1991 |
| Total production | 31 |
| Configuration | Bo-Bo |
| UIC classification | Bo'Bo' |
| Gauge | 1,435 mm (4 ft 81⁄2 in) standard gauge |
| Length | 63 ft 8 in (19.41 m) |
| Locomotive weight | 84 tonnes (83 LT; 93 ST) |
| Electric system(s) | 25 kV AC |
| Current collection method | Pantograph |
| Top speed | Design: 140 mph (225 km/h) Service: 125 mph (201 km/h) |
| Locomotive brakes | Air |
| Locomotive brakeforce | 45 LTf (450 kN) |
| Train brakes | Air |
| Career | British Rail GNER National Express East Coast |
| Number | 91001–91031; later 91101–91122, 91124-91132 |
The British Rail Class 91 is a class of 140 mph, 6,300 hp electric locomotives ordered specifically for the East Coast Main Line modernisation and electrification programme of the late 1980s. Built to replace the previous Class 43 (better known as the InterCity 125), the Class 91s were given the auxiliary name of InterCity 225 to indicate their status as a new version of the 125 and their envisaged top speed of 225 km/h (140 mph). The other end of the InterCity 225 train set is formed of a Driving Van Trailer, built with a similar bodyshell to the Class 91 locomotives.
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