British Rail Class D1/3

British Rail Class D1/3 (formerly DY1) was a locomotive commissioned by British Rail in England. It was a diesel powered locomotive in the pre-TOPS period built by Ruston & Hornsby. In appearance, it was similar to British Rail Class 97/6, but with 0-4-0 wheels.

British Rail Class D1/3
No. D2958 in BR green livery at Stratford MPD
Type and origin Power type Diesel-mechanical Builder Ruston & Hornsby Serial number 390774, 390777 Build date 1956 Total produced 2
Specifications Configuration: ​  • Whyte 0-4-0 dm  • UIC B Gauge 4 ft 8 ^1⁄2 in (1,435 mm) standard gauge Wheel diameter 3 ft 4 in (1.016 m) Loco weight 28.00 long tons (28.45 t; 31.36 short tons) Prime mover Ruston 6VPHL Transmission Mechanical, Ruston gearbox MU working Not fitted Train heating None Train brakes None
Performance figures Maximum speed 15 mph (24 km/h) Power output Engine: 165 bhp (123 kW) Tractive effort 14,350 lbf (63.8 kN)
Career Operators British Railways Class DY5, later D1/3, later 1/16. No TOPS class. Numbers 11507, 11508; D2957, D2958 from 1958 Axle load class Route availability 3 Retired 1967–1968 Disposition One sold for industrial use, one scrapped.

See also

• List of British Rail classes

Sources

• Ian Allan ABC of British Railways Locomotives (Winter 1962/3 ed.). p. 204.