British Rail Class 41 (HST)
| British Rail Class 41 (HST) | |
| Power type | Diesel-elctric |
|---|---|
| Builder | BREL Crewe Works |
| Build date | 1972 |
| Total production | 2 |
| Configuration | Bo-Bo |
| UIC classification | B'B' |
| Gauge | 4 ft 81⁄2 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 | 18 ft 11 in (5.77 m) |
| Locomotive weight | 68.5 tonnes (67.4 long tons; 75.5 short tons) |
| Prime mover | Paxman Valenta 12RP200L |
| Traction motors | Brush TMH68-46, frame mounted |
| Multiple working | Within class only |
| Top speed | 125 mph (201 km/h) |
| Power output | Engine: 2,500 bhp (1,864 kW) |
| Tractive effort | 17,980 lbf (80.0 kN) |
| Train heating | Electric Train Heat |
| Train brakes | Air |
| Career | British Rail |
| Number | 41001–41002; later ADB975812–813 |
| Axle load class | Route availability 6 |
| Disposition | to Research Centre Derby, November 1976, withdrawn January 1982 |
The British Rail Class 41 was the original classification for the power cars of the prototype High Speed Train. However, the train was later re-classified as a diesel-electric multiple unit, and the whole set became Class 252. They were of Bo-Bo wheel arrangement.
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