British Rail Class D3/3

class of 350 hp diesel-electric shunting locomotives


British Rail Class D3/3 was a 0-6-0 shunting locomotive built by British Rail at their Derby Works in England. It was similar to the British Rail Class 08, except they were built with different engines and traction motors. They were all withdrawn and scrapped after only twelve years of service.

British Rail Class D3/3
Type and origin
Power typeDiesel-electric
BuilderBritish RailwaysDerby Works
Build date1955
Total produced10
Specifications
Configuration:
 • Whyte0-6-0 DE
 • UICC
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter4 ft 6 in (1.372 m)
Loco weight47.50 long tons (48.26 t)
Prime moverCrossley ESNT 6
Traction motorsCrompton Parkinson, 2 off
MU workingNot fitted
Train heatingNone
Train brakesVacuum
Performance figures
Top speed20 mph (32 km/h)
Power outputEngine: 350 bhp (261 kW)
Tractive effort35,000 lbf (155.7 kN)
Career
Railroad(s)British Railways
ClassD3/3; later 3/1B; no TOPS class
Number13117–13126; later D3117–D3126
Axle load classRoute availability 5
Retired1966–1967