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Specifications
Specifications
Configuration:;
• Whyte	2-8-2
Gauge	1,600 mm (5 ft 3 in)
Leading dia.	3 ft 1.4 in (950 mm)
Driver dia.	4 ft 7.75 in (1,416 mm)
Trailing dia.	3 ft 1.4 in (950 mm)
Length	67 ft 5 in (20.55 m)
Height	13 ft 11+3⁄8 in (4,251.3 mm)
Axle load	13 long tons 17 cwt (31,000 lb or 14.1 t)
Adhesive weight	54.65 long tons 0 cwt (122,400 lb or 55.5 t)
Loco weight	76.00 long tons 0 cwt (170,200 lb or 77.2 t)
Tender weight	48.655 long tons 0 cwt (109,000 lb or 49.4 t)
Total weight	124 long tons 65 cwt (285,000 lb or 129.3 t)
Fuel type	Coal
Fuel capacity	6 long tons 0 cwt (13,400 lb or 6.1 t)
Water cap.	4,600 imp gal; (5,500 US gal; 21,000 L)
Firebox:
• Grate area	31 sq ft (2.9 m2)
Boiler pressure	175 psi (1,207 kPa)
Heating surface:
• Firebox	203 sq ft (18.9 m2)
• Tubes	1,250 sq ft (116 m2)
Superheater:;
• Heating area	324 sq ft (30.1 m2)
Cylinders	2
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Walschaerts
Valve type	Piston

Type and origin
Type and origin
Power type	Steam
Builder	North British Locomotive Company
Build date	1950/51
Total produced	10

South Australian Railways 750 Class
South Australian Railways 750 Class
	Preserved 752 at the National Railway Museum, Port Adelaide, 2014
Power type
Type and origin
Power type	Steam
Builder	North British Locomotive Company
Build date	1950/51
Total produced	10
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-2
Gauge	1,600 mm (5 ft 3 in)
Leading dia.	3 ft 1.4 in (950 mm)
Driver dia.	4 ft 7.75 in (1,416 mm)
Trailing dia.	3 ft 1.4 in (950 mm)
Length	67 ft 5 in (20.55 m)
Height	13 ft 11+3⁄8 in (4,251.3 mm)
Axle load	13 long tons 17 cwt (31,000 lb or 14.1 t)
Adhesive weight	54.65 long tons 0 cwt (122,400 lb or 55.5 t)
Loco weight	76.00 long tons 0 cwt (170,200 lb or 77.2 t)
Tender weight	48.655 long tons 0 cwt (109,000 lb or 49.4 t)
Total weight	124 long tons 65 cwt (285,000 lb or 129.3 t)
Fuel type	Coal
Fuel capacity	6 long tons 0 cwt (13,400 lb or 6.1 t)
Water cap.	4,600 imp gal; (5,500 US gal; 21,000 L)
Firebox:
• Grate area	31 sq ft (2.9 m2)
Boiler pressure	175 psi (1,207 kPa)
Heating surface:
• Firebox	203 sq ft (18.9 m2)
• Tubes	1,250 sq ft (116 m2)
Superheater:;
• Heating area	324 sq ft (30.1 m2)
Cylinders	2
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Walschaerts
Valve type	Piston
Tractive effort
Performance figures
Tractive effort	28,650 lbf (127.44 kN)
Factor of adh.	4.27
Operators
Career
Operators	South Australian Railways
Class	750
Number in class	10
Numbers	750-759
First run	11/12/1950 On V.R.; 5/1/1951 On S.A.R.
Withdrawn	1961-1969
Preserved	752
Scrapped	1962-1967
Disposition	1 preserved, 9 scrapped

The South Australian Railways 750 class was a class of 2-8-2 steam locomotives operated by the South Australian Railways.

History

With an acute shortage of motive power following World War II, the South Australian Railways were able to purchase 10 Victorian Railways N class locomotives in 1951 which had been in service for only a few months. They replaced Rx class locomotives on branch line services particularly over the light lines in the Murray Mallee radiating from Tailem Bend. Withdrawals began in July 1961 with the last withdrawn in September 1967.^[1]

752 is the sole survivor of the class, being placed in the Mile End Railway Museum in April 1967. It was later moved to the Port Dock Railway Museum (now the National Railway Museum, Port Adelaide) in 1988.^[2]

References

^ Oberg, Leon (1984). Locomotives of Australia 1850s-1980s. Frenchs Forest: Reed Books. p. 140. ISBN 0730100057.
^ "Locomotive 752 - National Railway Museum". National Railway Museum. Retrieved 11 December 2023.