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British Rail Class 03

From Simple English Wikipedia, the free encyclopedia
British Rail Class 03
Class 03 D2069 at Doncaster Works open day on 27 July 2003
Type and origin
Power typeDiesel-mechanical
BuilderBR Swindon & Doncaster
Build date1957–1961
 • Whyte0-6-0
Gauge4 ft 8 12 in (1,435 mm)
Wheel diameter3 ft 7 in (1.092 m)
Minimum curve2 chains (40 m)
Wheelbase9 ft 0 in (2.74 m)
Length26 ft 0 in (7.92 m)
Width8 ft 6 in (2.59 m)
Height11 ft 10 in (3.61 m)
Loco weight30.2 long tons (30.7 t)
Fuel capacity510 imp gal (2,300 L; 610 US gal)
Prime moverGardner 8L3
TransmissionWilson-Drewry CA5 R7, 5-speed epicyclic gearbox, RF11 spiral bevel reverse and final-drive unit.
Train heatingNone
Train brakesVacuum (some dual Air & Vacuum)
Performance figures
Top speed28.5 mph (45.9 km/h)
Power outputEngine: 204 hp (152 kW)
At rail: 152 hp (113 kW)
Tractive effortMax: 15,650 lbf (69.6 kN)
Brakeforce13 long tons-force (130 kN)
Railroad(s)British Railways
Number11187–11209, 91, 92;
later D2000–D2199, D2370–D2399;
later 03004–03199, 03370–03399
Axle load classRA 1
Retiredfrom April 1968
DispositionOne still in service, over 50 preserved, most scrapped

The British Rail Class 03 locomotive is, together with Class 04, one of BR's most successful smaller 0-6-0 diesel-mechanical shunters. There are 230 members of the class and it was built by British Railways' Swindon and Doncaster works in 1957-1962. They are numbered D2000-D2199 and D2370-D2399 (later 03004 to 03399). D2370 and D2371 were used as departmental locomotives and originally numbered 91 and 92 respectively.