British Rail Class 90

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British Rail Class 90
90017 at Norwich.JPG
British Rail Class 90/0, no. 90017 at Norwich
Type and origin
Power type Electric
Builder BREL Crewe Works
Build date 1987–1990
Total produced 50
Specifications
Configuration:
 • Whyte Bo-Bo
 • UIC Bo'Bo'
Gauge 1,435 mm (4 ft 8 12 in) standard gauge
Loco weight 84.5 tonnes (83.2 long tons; 93.1 short tons)
Electric system/s 25 kV AC
MU working TDM system
Train heating Electric Train Heating
Loco brake Air, Rheostatic
Train brakes Air
Performance figures
Top speed 75–110 mph (121–177 km/h)
Career
Railroad(s) British Rail
Number 90001–90050
Axle load class Route availability

The British Rail Class 90 electric locomotives were built by BREL at Crewe from 1987-1990. Each locomotive weighs 84.5 tonnes and has a top speed of 110 mph (180 km/h). They operate from 25 kV AC overhead wires and produce 5,000 bhp (3,700 kW). The class is employed on both express passenger services and heavy freight trains.