What is British Rail Class D3/1?
{{Infobox Locomotive |name = British Rail Class D3/1 |powertype = Diesel-hydraulic |image = |caption = |roadnumber = D2900–D2913 |builder = [[North British Locomotive Company]] |serialnumber = 27751–27761, 27995–27997 |builddate = 1958–1959 |totalproduction = 14 |gauge = {{RailGauge|ussg|lk=on|al=on}} |primemover = NBL/[[MAN AG|MAN]] W6V17.5/22AS ([[supercharger|supercharged]]) |transmission = Hydraulic, Voith |whytetype = 0-4-0 DH |uicclass = B |wheeldiameter = {{convert|3|ft|9|in|m|3|abbr=on}} |minimumcurve = |trainbrakes = |locobrakeforce = |wheelbase = |length = |width = |height = |locoweight = {{convert|36.00|LT|lk=on}} |topspeed = {{convert|20|mph|km/h|0|abbr=on|lk=on}} |poweroutput = ''Engine:'' {{convert|330|bhp|kW|0|abbr=on|lk=on}} |tractiveeffort = {{convert|24100|lbf|kN|1|abbr=on|lk=on}} |fuelcap = |trainheating = None |multipleworking = Not fitted |azleloadclass = [[Route availability]] 5 |railroad = [[British Railways]] |railroadclass = D3/1; later 3/4; no TOPS class |retiredate = February 1967 |disposition = All scrapped }} '''British Rail Class D3/1''' was a locomotive commissioned by [[British Rail]] in [[England]]. It was a [[Diesel engine|diesel powered]] locomotive in the pre-[[TOPS]] period built by the [[North British Locomotive Company]]. The NBL/MAN engines were built by the North British Locomotive Company in [[Scotland]] under licence from the German company [[MAN AG|MAN]]. {{British Rail Locomotives}} {{transport-stub}} [[Category:British Rail diesel locomotives|D003.01]] [[Category:NBL locomotives]] [[Category:B locomotives]]