What is British Rail Class 83?
{{Infobox Locomotive |name = British Railways AL3<br>British Rail Class 83 |powertype = Electric |image = E3035_at_Doncaster_Works.JPG |caption = Class 83, no. E3035, on display at [[Doncaster Works]] open day on 27th July 2003. This locomotive is preserved by the AC Locomotive Group at [[Barrow Hill Engine Shed]]. |builder = [[English Electric]] at [[Vulcan Foundry]] |serialnumber = |buildmodel = |builddate = 1960–1962 |totalproduction = 15 |whytetype = [[Bo-Bo]] |uicclass = Bo'Bo' |gauge = {{RailGauge|ussg|lk=on|al=on}} |wheeldiameter = {{convert|4|ft|0|in|m|3|abbr=on}} |wheelbase = |length = {{convert|52|ft|6|in|m|2|abbr=on}} |width = |height = |weightondrivers = {{convert|19|LT|abbr=on}} |locoweight = {{convert|76.40|LT|abbr=on|lk=on}} |electricsystem = [[25 kV AC]] |collectionmethod = [[Pantograph (rail)|Pantograph]] |tractionmotors = {{convert|740|hp|abbr=on}} English Electric 532A, 4 off |transmission = |topspeed = {{convert|100|mph|abbr=on}} |poweroutput = {{convert|2950|hp|sigfig=3|abbr=on|lk=on}} 2200 kW (continuous) |tractiveeffort = {{convert|38000|lbf|kN|sigfig=3|abbr=on|lk=on}} 169 kN (max) |factorofadhesion = |locobrakes = |trainbrakes = Vacuum, Dual from 1972–1973 |trainheating = [[Electric Train Heating]] |railroad = [[British Rail]] |railroadclass = AL3; later 83 |numinclass = |roadnumber = E3034–E3035, E3097, E3098, E3100; later 83001–83015 |officialname = |nicknames = |locale = |axleloadclass = [[Route availability]] 6 |firstrundate = |lastrundate = |retiredate = 1975 (1), 1978 (1), 1983 (10), 1989 (3) |restoredate = |scrapdate = |currentowner = |disposition = One preserved, remainder scrapped |}} The [[British Rail]] '''Class 83''' were electric locomotives built by [[English Electric]] at [[Vulcan Foundry]], [[Newton-le-Willows]] as