3801

3801
3801 after its restoration, August 2020
Type and origin Power type Steam Builder Clyde Engineering Build date 1943
Specifications Configuration: ​  • Whyte 4-6-2  • UIC 2′C1′ h Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Driver dia. 5 ft 9 in (1,753 mm) Wheelbase 65 ft 7+1⁄8 in (19.99 m) Total weight 201 long tons (225.1 short tons; 204.2 tonnes) when in steam Fuel type Coal Fuel capacity 14 long tons (15.7 short tons; 14.2 tonnes) Water cap. 8,100 imp gal (36,800 L; 9,730 US gal) Firebox: ​  • Grate area 47 sq ft (4.4 m2) Boiler pressure as built/currently: 245 lbf/in2 (1.69 MPa) as previously restored: 215 lbf/in2 (1.48 MPa) The New Boiler: 245 lbf/in2 (1.69 MPa) Heating surface: ​  • Tubes 142 tubes, 2.25 in (57 mm) dia each  • Flues 36 flues, 5.5 in (140 mm) dia each  • Total surface 3,367.79 sq ft (312.878 m2) Superheater 36 element Cylinders 2 outside Cylinder size 21.5 in × 26 in (546 mm × 660 mm)
Performance figures Maximum speed 112 km/h (70 mph)[1] Power output 2,500 hp (1,865 kW) Tractive effort as built/currently: 36,273 lbf (161.4 kN) as previously restored: 31,767 lbf (141.3 kN)
Career Operators New South Wales Government Railways Class 38 class Number in class 1 of 30 Nicknames The Grey Nurse Locale New South Wales, Australia First run January 1943 Withdrawn 1974 Disposition Operational

3801 (pronounced Thirty-eight o-one) is a C38 class 4-6-2 steam locomotive operated by the New South Wales Government Railways between 1943 and 1974. It is arguably Australia's most famous steam locomotive, being the only one to have visited all mainland states and territories.