What is British Rail Class D3/12?
{{Infobox Locomotive |name = Southern Railway diesels 1–3<br>British Rail Class D3/12 |powertype = Diesel-electric |image = |caption = |roadnumber = SR: 1–3;<br>BR: 15201–15203 |builder = [[Southern Railway (Great Britain)|Southern Railway]]’s [[Ashford Works]] |ordernuber = SR Ashford 936 |builddate = [[1937]] |totalproduction = 3 |gauge = {{RailGauge|ussg|lk=on}} |primemover = [[English Electric diesel engines|English Electric 6K]] |generator = |tractionmotors = [[English Electric]], 2 off |whytetype = 0-6-0 DE |uicclass = C |wheeldiameter = {{convert|4|ft|6|in|m|3|abbr=on}} |minimumcurve = |trainbrakes = |locobrakeforce = |wheelbase = |length = |width = |height = |locoweight = {{convert|55.25|LT|lk=on}} |topspeed = {{convert|25|mph|km/h|0|abbr=on|lk=on}} |poweroutput = ''Engine:'' {{convert|350|bhp|kW|abbr=on|lk=on}} |tractiveeffort = {{convert|30000|lbf|kN|1|abbr=on|lk=on}} |fuelcap = |trainheating = None |multipleworking = Not fitted |axleloadclass = |railroad = [[Southern Railway (Great Britain)|Southern Railway]],<br>[[British Railways]] |railroadclass = BR: D3/12; later 3/9A |retiredate = 1964 |disposition = All scrapped }} '''British Rail class D3/12''' was a class of three diesel electric shunting trains built by the [[Southern Railway (Great Britain)|Southern Railway]] in 1937. They were numbered 1 to 3 in a separate list from the SR's steam-powered trains. They were later renumbered by [[British Railways]] 15201–15203. Later, twenty-six similar trains were built after nationalisation as [[British Rail Class 12]]. {{SR Locomotives}} {{British Rail Locomotives}} {{transport-stub}} [[Category:British Rail diesel locomotives|D3/12]] [[Category:C locomotives]]