British Rail Class 71
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.
| British Rail Class 71/2 | |
| |
| E5001 at Doncaster Works. | |
| Power type | Electric |
|---|---|
| Builder | British Railways’ Doncaster Works |
| Build date | 1958–1960 |
| Total production | 24 |
| Configuration | Bo-Bo |
| UIC classification | Bo'Bo' |
| Gauge | Lua error in package.lua at line 80: module 'Module:Track gauge/data' not found. |
| 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 long tons-force (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 |
