British Rail Class 71
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| British Rail Class 71 | |
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| E5001 at Doncaster Works. | |
| Power type | Electric |
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| Builder | British Railways’ Doncaster Works |
| Build date | 1958–1960 |
| Total production | 24 |
| Configuration | Bo-Bo |
| UIC classification | Bo'Bo' |
| Gauge | 4 ft 81⁄2 in (1,435 mm) standard gauge |
| Wheel diameter | 4 ft 0 in (1.219 m) |
| Locomotive weight | 77.00 long tons (78.24 t) |
| Electric system(s) | 660–750 V DC |
| Current collection method | Third Rail (mainline) Pantograph (sidings) |
| Traction motors | English Electric 532, 4 off |
| Top speed | 90 mph (145 km/h) |
| Power output | One-hour: 2,700 hp (2,010 kW) Continuous: 2,300 hp (1,720 kW) |
| Tractive effort | 43,800 lbf (195,000 N) |
| Train heating | Electric Train Heating |
| Locomotive brakeforce | 68 LTf (678 kN) |
| Train brakes | Dual Vacuum and Air |
| Career | British Railways |
| Number | E5000–E5023; later E5001–E5024; later 71001–71014 |
| Axle load class | Route availability 6 |
| Disposition | 10 rebuilt to class 74, 13 scrapped, 1 preserved |
The British Rail Class 71 was an electric locomotive used on the Southern Region of British Railways. Unlike most other Southern Region electric locomotives (such as the class 73s & 74s) they could not operate away from the electrified (750 V DC third rail) system.
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