British Rail Class D2/1

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.

British Rail Class D2/1
Power type Diesel-hydraulic
Builder North British Locomotive Company
Serial number 27100–27102, 27431–27435
Build date 1953–1956
Total production 8
Configuration 0-4-0 DH
UIC classification B
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Wheel diameter 3 ft 6 in (1.067 m)
Locomotive weight 32.00 long tons (32.51 t)
Prime mover Paxman 6RPH
Transmission Hydraulic, Voith
Multiple working Not fitted
Top speed 14.5 mph (23.3 km/h)
Power output 200 bhp (149 kW)
Tractive effort 21,500 lbf (95.6 kN)
Train heating None
Train brakes None
Career British Railways
Class DY11; later D2/1; later 2/4A
Number 11700-11707; D2700–D2707 from 1958 to 1960
Axle load class Route availability 3
Retired 1963–1968