What is British Rail Class D2/12?
{{Infobox Locomotive |name = British Railways class D2/12 |powertype = Diesel-mechanical |image = |caption = |roadnumber = D2510–D2519 |builder = [[Hudswell Clarke]] |serialnumber = D1201–D1210 |builddate = 1961 |totalproduction = 10 |gauge = {{RailGauge|ussg|lk=on|al=on}} |primemover = [[L. Gardner and Sons Ltd.|Gardner]] 8L3 |transmission = Mechanical, Bostock & Bramley four-speed gearbox |whytetype = 0-6-0 DM |wheeldiameter = {{convert|3|ft|6|in|m|3|abbr=on}} |minimumcurve = |trainbrakes = |locobrakeforce = |wheelbase = |length = |width = |height = |locoweight = {{convert|34.20|LT|lk=on}} |topspeed = {{convert|24|mph|abbr=on|lk=on}} |poweroutput = ''Engine:'' {{convert|204|bhp|kW|0|abbr=on|lk=on}} |tractiveeffort = {{convert|16100|lbf|kN|1|abbr=on|lk=on}} |fuelcap = |trainheating = None |multipleworking = Not fitted |axleloadclass = [[Route availability]] 4 |railroad = [[British Railways]] |railroadclass = D2/12; later 2/14A; no TOPS class |retiredate = 1967 |disposition = 6 scrapped, 4 sold [[National Coal Board|NCB]] (3 scrapped, 1 preserved) }} '''British Rail Class D2/12''' was a locomotive commissioned by [[British Rail]] in [[England]]. It was a [[Diesel engine|diesel powered]] locomotive in the pre-[[TOPS]] period built by [[Hudswell Clarke]] with a [[L. Gardner and Sons Ltd.|Gardner]] engine. The mechanical transmission, using a scoop control [[fluid coupling]] and four-speed ''Power-flow SSS'' (synchro-self-shifting) gearbox,<ref>{{Cite web |url=http://www.dmm-gallery.org.uk/colleng/4805-01.htm |title=Durham Mining Museum - Colliery Engineering |access-date=2009-01-13 |archive-date=2007-09-28 |archive-url=https://web.archive.org/web/20070928080416/http://www.dmm-gallery.org.uk/colleng/4805-01.htm |url-status=dead }}</ref> was a Hudswell Clarke speciality. ==References== {{Reflist}} {{British Rail Locomotives}} {{transport-stub}} [[Category:British Rail diesel locomotives|D2 12]] [[Category:C locomotives]]