- British Rail Class D1/1
Infobox Locomotive
name = British Rail Class D1/1
powertype = Diesel-mechanical
caption =
roadnumber = 11500–11502; D2950-D2952 from 1957–1958
builder =Hunslet Engine Company
builddate = 1954–1955
serialnumber = 4625–4627
toalproduction = 3
gauge = RailGauge|ussg|lk=on|al=on
primemover = Gardner 6L3
transmission = Mechanical, Hunslet four-speed gearbox
whytetype = 0-4-0dm
uicclass = B
wheeldiameter = convert|3|ft|4|in|m|3|abbr=on
minimumcurve =
trainbrakes = None
locobrakeforce =
wheelbase =
length =
width =
height =
weight = convert|22.45|LT|lk=on
topspeed = convert|14|mph|abbr=on|lk=on
poweroutput = "Engine:" convert|153|bhp|kW|0|abbr=on|lk=on
tractiveeffort = convert|10800|lbf|kN|1|abbr=on|lk=on
fuelc
trainheating = None
multipleworking = Not fitted
axleloadclass =Route availability 1
railroad =British Railways
retireddate = 1966–1967
disposition = One sold to industry, two scrapped
railroadclass = DY1; later D1/1; later 1/15. No TOPS class.British Rail Class D1/1 (formerly DY1) was a class of locomotive commissioned by
British Rail inEngland . It was a diesel locomotive in the pre-TOPS period built by theHunslet Engine Company with a convert|153|hp Gardner 6L3 engine.ee also
List of British Rail classes ources
* Ian Allan ABC of British Railways Locomotives, winter 1962/3 edition, page 203
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