British Rail Class 41 (HST)

This article is about the prototype High Speed Train power cars. For the Warship Class locomotives built in 1958–1959, see British Rail Class 41 (Warship Class).

British Rail Class 41 (HST)
41001 at the Railway Technical Centre in 1972
Type and origin Power type Diesel-electric Builder BREL Crewe Works Build date 1972 Total produced 2
Specifications Configuration: ​  • UIC Bo′Bo′  • Commonwealth Bo-Bo Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Wheel diameter 3 ft 4 in (1.016 m) Wheelbase 42 ft 4 in (12.90 m) Length 56 ft 4 in (17.17 m) Width 8 ft 11 in (2.72 m) Height 12 ft 10 in (3.91 m) Loco weight 68.5 tonnes (67.4 long tons; 75.5 short tons) Fuel type Diesel Prime mover Paxman Valenta 12RP200L Traction motors Brush TMH68-46, frame mounted MU working Within class only Train heating 415 V AC 3-phase (prototype) 1000 V DC Electric Train Heat (preservation) Train brakes Air
Performance figures Maximum speed 125 mph (201 km/h) Power output Engine: 2,250 bhp (1,678 kW) Tractive effort 17,980 lbf (80.0 kN)
Career Operators British Rail Numbers 41001–41002; 43000-43001 (While 252001); later ADB975812–813 Axle load class Route availability 5 Withdrawn January 1982 Disposition 1 preserved, 1 scrapped

The British Rail Class 41 were two power cars built in 1972 by British Rail Engineering Limited's Crewe Works to operate with the prototype High Speed Train (HST) with Mark 3 carriages.