South Australian Railways 750 class

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

South Australian Railways 750 Class
Preserved 752 at the National Railway Museum, Port Adelaide, 2014
Type and origin
Power typeSteam
BuilderNorth British Locomotive Company
Build date1950/51
Total produced10
Specifications
Configuration:
​
 • Whyte2-8-2 1′D1′ 2′2′
Gauge1,600 mm (5 ft 3 in)
Driver dia.4 ft 7.75 in (1.42 m)
Length67 ft. 5 in.
Height4.25133 Metres
Axle load13 tons 17 cwt
Adhesive weight54.65 tons
Loco weight76.00 tons
Tender weight48.655 tons
Total weight124 long tons 65 cwt (285,000 lb or 129.3 t)
Fuel typeCoal
Fuel capacity6 tons
Water cap4,600 gallons
Firebox:
 • Firegrate area		31 sq. ft.
Boiler pressure175 psi (1,207 kPa)
Heating surface:
 • Tubes		1250 sq. ft.
 • Firebox203 sq. ft.
Superheater:
​
 • Heating area324 sq. ft.
Cylinders2
Cylinder size20 in × 26 in (508 mm × 660 mm)
Valve gearWalschaerts valve gear
Performance figures
Tractive effort28,650 lbf (127.44 kN)
Career
OperatorsSouth Australian Railways
Class750
Numbers750-759
First run11/12/1950 On V.R.
5/1/1951 On S.A.R.
Withdrawn1961-1969
Preserved752
Scrapped1962-1967
Disposition1 preserved, 9 scrapped

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 Withdrawals began in July 1961 with the last withdrawn in September 1967.[1]

The National Railway Museum, Port Adelaide has preserved 752 After running the last passenger train to Willunga in 1969.[2]

References
  1. Oberg, Leon (1984). Locomotives of Australia 1850s-1980s. Frenchs Forest: Reed Books. p. 140. ISBN 0730100057.
  2. 752 National Railway Museum

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