What is British Rail Class 71?
{{Infobox Locomotive |name = British Rail Class 71/2 |powertype = Electric |image = E5001 at Doncaster Works.JPG |caption = E5001 at [[Doncaster Works]]. |builder = [[British Railways]]’ [[Doncaster Works]] |builddate = 1958–1960 |totalproduction = 24 |gauge = {{RailGauge|ussg|lk=on|al=on}} |wheeldiameter = {{convert|4|ft|0|in|m|3|abbr=on}} |tractionmotors = [[English Electric]] 532, 4 off |poweroutput = ''One-hour:'' {{convert|2700|hp|sigfig=3|abbr=on|lk=on}}<br>''Continuous:'' {{convert|2300|hp|sigfig=3|abbr=on}} |tractiveeffort = {{convert|43800|lbf|sigfig=3|abbr=on|lk=on}} |whytetype = Bo-Bo |uicclass = Bo'Bo' |trainbrakes = Dual Vacuum and Air |locobrakeforce = {{convert|68|LTf|kN|sigfig=3|abbr=on|lk=in}} |electricsystem = 660–750 [[Volt|V]] [[Direct current|DC]] |collectionmethod = Third Rail (mainline)<br>[[Pantograph (rail)|Pantograph]] (sidings) |length = |width = |height = |locoweight = {{convert|77.00|LT|lk=on}} |topspeed = {{convert|90|mph|km/h|0|abbr=on|lk=on}} |trainheating = [[Electric Train Heating]] |axleloadclass = [[Route availability]] 6 |railroad = [[British Railways]] |roadnumber = E5000–E5023; later E5001–E5024; later 71001–71014 |disposition = 10 rebuilt to [[British Rail Class 74|class 74]], 13 scrapped, 1 preserved }} The [[British Rail]] '''Class 71''' was an [[electric locomotive]] used on the [[Southern Region]] of [[British Rail]]ways. Unlike most other Southern Region electric locomotives (such as the class [[British Rail Class 73|73s]] & [[British Rail Class 74|74s]]) they could not operate away from the [[Railway electrification in Great Britain|electrified]] (750 V DC third rail) system. {{British Rail Locomotives}} {{Transport-stub}} [[Category:British Rail electric locomotives|71]]