South Australian Railways M class (second)

South Australian Railways M class (second)
Type and origin Power type Steam Builder Phoenix Foundry - Ballarat, Victoria David Munro & Co. - Melbourne, Victoria Build date 1889-1894 Total produced 20
Specifications Configuration: ​  • Whyte 2-4-2T(1′B1′ T) Gauge 1,600 mm (5 ft 3 in) Driver dia. 5 ft 0 in (1,524 mm) Length 33 ft 8 in (10.26 m) Height 12 ft 9+1⁄2 in (3,898.9 mm) Axle load 16 long tons 8 cwt (36,700 lb or 16.7 t) Total weight 53 long tons 8 cwt (119,600 lb or 54.3 t) Fuel type Coal Fuel capacity 2 long tons 10 cwt (5,600 lb or 2.5 t) Water cap. 1,600 imp gal (1,900 US gal; 7,300 L) Firebox: ​  • Grate area 17.8 sq ft (1.65 m2) Boiler pressure 140 psi (965 kPa) Heating surface: ​  • Firebox 83.4 sq ft (7.75 m2)  • Tubes 988.7 sq ft (91.85 m2) Cylinders 2 Cylinder size 17.5 in × 26 in (444 mm × 660 mm)
Performance figures Tractive effort 14,025 lbf (62.39 kN)
Career Operators South Australian Railways Victorian Railways Class M Numbers 256-275 Delivered 1920 First run 1920 Last run 1925-1935 Retired 1925-1935 Withdrawn 1925-1935 Preserved 0 Scrapped 1925-1935 Disposition All SAR variants scrapped

The South Australian Railways M class (second) was a group of twenty 2-4-2T engines sold to the SAR by the Victorian Railways for $3,300 each between June 1920 and October 1922. The class was formerly the Victorian Railways' E class.