New Zealand DSC class locomotive

New Zealand DSC class
DSC 2693 with a shunt north of Ashburton.
Type and origin Power type Diesel-electric Builder British Thomson-Houston (18), NZR Hillside Workshops and Addington Workshops (52) Build date 1958–1967
Specifications Configuration: ​  • UIC Bo-Bo Gauge 1,067 mm (3 ft 6 in) Length 11.66 m (38 ft 3 in) Width 2.54 m (8 ft 4 in) Height 3.5 m (11 ft 6 in) Loco weight 41.1 tonnes (40.5 long tons; 45.3 short tons) Prime mover BTH: Rolls-Royce C6SFL, 2 off; later: Rolls-Royce C6TFL, 2 off. NZR: Leyland UE902, 2 off; later: Cummins NT855, 2 off.
Performance figures Maximum speed 64 km/h (40 mph) Power output 315 kW (422 hp) Tractive effort 46 kN (10,300 lbf)
Career Operators New Zealand Railways, Tranz Rail, Toll Rail, KiwiRail Number in class 70 Numbers Early numbers: 400–469 TMS numbers: 2000–2759 Locale All of New Zealand First run May 1959 Retired February 1989 – present Disposition 28 in service 2 withdrawn 34 scrapped 3 preserved 3 are owned by industrial users

The New Zealand DSC class locomotive^{[nb 1]} is a heavy shunting locomotive used throughout New Zealand. The class was built in seven batches, the first 18 locomotives being built by British Thomson-Houston of the United Kingdom, with the further 52 locomotives being built by New Zealand Railways (NZR).

The class is widely used in both the North and South Islands of New Zealand, mainly for heavy yard shunting, although some members of the class have been used for local mainline shunting services.^[1] All remaining members of the class are now fitted with shunters refuges, and most are fitted with remote control capabilities.^[2]

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