New South Wales 46 class locomotive

New South Wales 46 class
4601 at Valley Heights Rail Museum in March 2015
Type and origin Power type Electric Builder Metropolitan-Vickers/Beyer, Peacock & Company, Bowesfield Works, Stockton-on-Tees, England Serial number 786-825 Build date 1956–1958 Total produced 40
Specifications Configuration: ​  • UIC Co-Co Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Wheel diameter 45 in (1,143 mm) Wheelbase 41 ft 0 in (12.5 m) Length Over headstocks: 51 ft 2 in (15.60 m) Over coupler pulling faces: 53 ft 11+1⁄4 in (16.44 m) Width 9 ft 7 in (2,921 mm) Height Over stowed pantograph: 14 ft 6 in (4,420 mm) Axle load 18 long tons 14 cwt (41,900 lb or 19 t) Loco weight 112 long tons 0 cwt (250,900 lb or 113.8 t) Sandbox cap. 18 cu ft (0.51 m3) Electric system/s 1,500 V DC Overhead Current pickup(s) 2 pantographs Traction motors 6 × Metropolitan-Vickers 272
Performance figures Maximum speed 70 mph (113 km/h) Power output Continuous: 3,400 hp (2,540 kW) One hour: 3,780 hp (2,820 kW) Tractive effort Continuous: 36,700 lbf (163.25 kN) One hour: 40,800 lbf (181.49 kN) at 34.5 mph (55.5 km/h)
Career Operators Department of Railways New South Wales Public Transport Commission State Rail Authority FreightCorp Number in class 40 Numbers 4601-4640 First run 25 June 1956 Last run 17 January 1996 Preserved 4601, 4602, 4615, 4627, 4638 Disposition 35 scrapped, 5 preserved

The New South Wales 46 class was a class of mainline electric locomotive built by Metropolitan-Vickers and its partner Beyer, Peacock & Company in England for the Department of Railways New South Wales. They later operated for the Public Transport Commission, State Rail Authority and FreightCorp with most remaining in service into the 1990s.