British Rail Class 84

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British Railways AL4
British Rail Class 84
84001 at Crewe Works.JPG
Preserved locomotive 84001 on display at Crewe Works open day on 11 September 2005.
Type and origin
Power type Electric
Builder North British Locomotive Company
Build date 1960–1961
Total produced 10
Specifications
Configuration:
 • Whyte Bo-Bo
 • UIC Bo'Bo'
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter 4 ft 0 in (1.219 m)
Length 57 ft 6 in (17.53 m)
Loco weight 76.60 long tons (77.83 t)
Electric system/s 25 kV AC
Traction motors 750 hp (560 kW) GEC WT501, 4 off
Train heating Electric Train Heating
Train brakes Vacuum; Dual from 1972
Performance figures
Top speed 100 mph (160 km/h)
Power output 3,100 hp (2,300 kW)
Tractive effort 50,000 lbf (220 kN)
Brakeforce 65.5 long tons-force (653 kN)
Career
Railroad(s) British Rail
Number E3036–E3045; later 84001–84010
Axle load class Route availability 6
Retired 1979–1980
Disposition One preserved, remainder scrapped


The British Rail Class 84 was a 25 kV AC electric locomotive that operated on the West Coast Main Line of the London Midland Region.