What is British Rail Class D1/3?
{{Infobox Locomotive |name = British Rail Class D1/3 |powertype = Diesel-mechanical |image = |caption = |roadnumber = 11507, 11508; D2957, D2958 from 1958 |builder = [[Ruston & Hornsby]] |serialnumber = 390774, 390777 |builddate = [[1956]] |totalproduction = 2 |gauge = {{RailGauge|ussg|lk=on|al=on}} |primemover = Ruston 6VPHL |transmission = Mechanical, Ruston gearbox |whytetype = 0-4-0 dm |uicclass = B |wheeldiameter = {{convert|3|ft|4|in|m|3|abbr=on}} |minimumcurve = |trainbrakes = None |locobrakeforce = |wheelbase = |length = |width = |height = |locoweight = {{convert|28.00|LT|lk=on}} |topspeed = {{convert|15|mph|abbr=on|lk=on}} |poweroutput = ''Engine:'' {{convert|165|bhp|kW|abbr=on|lk=on}} |tractiveeffort = {{convert|14350|lbf|kN|1|abbr=on|lk=on}} |fuelcapacity = |trainheating = None |multipleworking = Not fitted |axleloadclass = [[Route availability]] 3 |railroad = [[British Railways]] |railroadclass = DY5, later D1/3, later 1/16. No TOPS class. |retiredate = 1967–1968 |disposition = One sold for industrial use, <!--extant?-->one scrapped. }} '''British Rail Class D1/3''' (formerly DY1) was a locomotive commissioned by [[British Rail]] in [[England]]. It was a [[Diesel engine|diesel powered]] locomotive in the pre-[[TOPS]] period built by [[Ruston (engine builder)|Ruston & Hornsby]]. {{British Rail Locomotives}} {{transport-stub}} [[Category:British Rail diesel locomotives|D1/3]] [[Category:B locomotives]] [[Category:Ruston & Hornsby locomotives]]