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British Rail Class D2/1

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British Rail Class D2/1
Type and origin
Power typeDiesel-hydraulic
BuilderNorth British Locomotive Company
Serial number27100–27102, 27431–27435
Build date1953–1956
Total produced8
 • Whyte0-4-0 DH
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter3 ft 6 in (1.067 m)
Loco weight32.00 long tons (32.51 t)
Prime moverPaxman 6RPH
TransmissionHydraulic, Voith
MU workingNot fitted
Train heatingNone
Train brakesNone
Performance figures
Top speed14.5 mph (23.3 km/h)
Power output200 bhp (149 kW)
Tractive effort21,500 lbf (95.6 kN)
Railroad(s)British Railways
ClassDY11; later D2/1; later 2/4A
Number11700-11707; D2700–D2707 from 1958 to 1960
Axle load classRoute availability 3

British Rail Class D2/1 was a locomotive commissioned by British Rail in England. It was a diesel powered locomotive in the pre-TOPS period built by the North British Locomotive Company with a Paxman engine.