British Rail Class 10

British Rail Class 10

D3452, at Bodmin on 28 August 2003. This locomotive is preserved on the Bodmin & Wenford Railway

Type and origin Power type Diesel-electric Builder BR Darlington Works (140) and Doncaster Works (6) Build date 1955–1962 Total produced 146

Specifications Configuration: ​  • Whyte 0-6-0  • UIC C Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Wheel diameter 4 ft 6 in (1.372 m) Wheelbase 11 ft 6 in (3.505 m) Length 29 ft 3 in (8.92 m) Width 8 ft 6 in (2.591 m) Height 12 ft 8 1⁄2 in (3.874 m) Loco weight 48.6 long tons (49.4 t; 54.4 short tons) Fuel capacity 668 imp gal (3,040 l; 802 US gal) Prime mover Blackstone ER6T Traction motors GEC nose suspended, 2 off Transmission Diesel-electric, double reduction gearing MU working Not fitted Train heating None Train brakes Vacuum

Performance figures Maximum speed 27.5 mph (44 km/h) Power output Engine: 350 hp (261 kW) Tractive effort Maximum: 35,000 lbf (155.7 kN) Continuous: 11,100 lbf (49.4 kN)

Career Operators British Railways Numbers 13137–13151; later D3137–D3151, D3439–D3453, D3473–D3502, D3612–D3651, D4049–D4094 Axle load class RA 5 Withdrawn February 1967- June 1972 Disposition Four preserved, remainder scrapped

The British Rail Class 10 diesel locomotive was a variation on the Class 08 diesel-electric shunter in which a Blackstone diesel engine was fitted instead of one made by the English Electric company. Traction motors were by the General Electric Company plc (GEC); the class D3/5 were similar, but had British Thomson-Houston (BTH) traction motors

The locomotives were built at the BR Works in Darlington and Doncaster over the period 1955–1962. At first they were classified D3/4, then 3/1C before becoming Class 10 under TOPS

The class were withdrawn between February 1967 and June 1972.

Twenty locomotives were sold to industrial customers; of which, four have been preserved: