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British Rail Class 77 facts for kids

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British Rail Class 77
Preserved locomotive, no. 27000 in original black livery.
Power type Electric
Builder BR Gorton Works
Build date 1953–1954
Total production 7
Configuration Co+Co
Gauge ft 8+12 in (1,435 mmstandard gauge
Wheel diameter 4 ft 2 in (1.270 m)
Length 59 ft 0 in (17.98 m)
Locomotive weight 102.5 long tons (104.1 t)
Electric system(s) 1500 V DC
Current collection method Pantograph, 2 off
Traction motors Metropolitan Vickers
Top speed 90 mph (145 km/h)
Power output 2,490 hp (1,857 kW)
Tractive effort 45,000 lbf (200 kN)
Train heating Steam generator
Locomotive brakes Air and electrical regenerative
Locomotive brakeforce 85 long tons-force (847 kN)
Train brakes Vacuum
Career British Railways
Number 27000–27006
Retired September 1968
Disposition All sold to Netherlands as NS 1500 Class

The British Rail Class 77, also known as Class EM2, is a class of 1.5 kV DC, Co-Co electric locomotive. They were built by Metropolitan Vickers in 1953–1954 for use over the Woodhead Line between Manchester and Sheffield.

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