What is British Rail Class 10?
{{Infobox Locomotive |name = British Rail Class 10 |powertype = Diesel-electric |image = D3452 at Bodmin.JPG |caption = D3452, at [[Bodmin]] on [[28 August]] [[2003]]. This locomotive is preserved on the [[Bodmin & Wenford Railway]] |roadnumber = 13137–13166; later D3137–D3166, D3439–D3453, D3473–D3502, D3612–D3651, D4049–D4094 |builder = [[British Railways]] [[Darlington Works]] and [[Doncaster Works]] |builddate = 1953–1962 |totalproduction = 161 |gauge = {{RailGauge|ussg|lk=on|al=on}} |primemover = Blackstone ER6T |transmission = DC generator, DC traction motors, double reduction gearing |tractionmotors = ''D3152–D3166:'' BTH, 2 off<br>''Remainder:'' GEC nose suspended, 2 off |whytetype = [[0-6-0]] |uicclass = C |wheeldiameter = {{convert|4|ft|6|in|m|3|abbr=on}} |minimumcurve = |trainbrakes = Vacuum |locobrakeforce = |wheelbase = {{convert|11|ft|6|in|m|2|abbr=on}} |length = {{convert|29|ft|3|in|m|2|abbr=on}} |width = {{convert|8|ft|6|in|m|2|abbr=on}} |height = {{convert|12|ft|8+1/2|in|m|2|abbr=on}} |locoweight = {{convert|48.6|LT|sigfig=3|lk=on}} |topspeed = {{convert|27.5|mph|km/h|0|abbr=on|lk=on}} |poweroutput = ''Engine:'' {{convert|350|hp|0|abbr=on|lk=on}} |tractiveeffort = ''Maximum:'' {{convert|35000|lbf|kN|1|abbr=on|lk=on}}<br>''Continuous:'' {{convert|11100|lbf|kN|1|abbr=on}} |fuelcap = {{convert|668|impgal|abbr=on|lk=on}} |trainheating = None |multipleworking = Not fitted |axleloadclass = [[Route availability|RA]] 5 |railroad = British Railways }} The '''British Rail Class 10''' [[diesel locomotive]] was a version on the [[British Rail Class 08|Class 08]] [[diesel-electric]] [[Switcher|shunter]]. A [[Blackstone & Co|Blackstone]] [[diesel engine]] was fitted instead of one made by the [[English Electric]] company. [[Traction motors]] were by either the [[General Electric Company plc]] (GEC) or [[British Thomson-Houston]] (BTH). The locomotives were built at the BR Works in [[Darlington railway works|Darlington]] and [[Doncaster railway works|Doncaster]] over the period [[1953]]-6