Commonwealth Railways KA class

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Commonwealth Railways KA class
A KA class locomotive, c 1951.
A KA class locomotive, c 1951.
Type and origin
Power type Steam
Builder Perry Engineering (6)
Walkers Limited (20)
Build date 1918-1920
Total produced 26
 • Whyte 2-8-0
Gauge 1,435 mm (4 ft 8 12 in) standard gauge
Fuel type Coal
Water cap 4,850 imp gal (22,000 L; 5,820 US gal)
Cylinder size 22 in × 26 in (559 mm × 660 mm)
Performance figures
Tractive effort 29,609 lbf (131.71 kN)
Operators Commonwealth Railways
Numbers KA35–KA54, KA56–KA61
First run September 1918
Disposition All scrapped

The Commonwealth Railways KA class was a class of 2-8-0 tender locomotives of the Commonwealth Railways, Australia. The class operated on the 1,435 mm (4 ft 8 12 in) Trans-Australian Railway.


Between September 1918 and June 1920, Commonwealth Railways took delivery of 26 KA class freight locomotives built to the same design as the New South Wales Government Railways' TF class (later the D53 class). Six were built by Perry Engineering, Gawler and 20 by Walkers Limited, Maryborough.[1][2] They were an upgraded version of the K class.

The Perry built locomotives received superheaters in 1943. Three were converted to burn oil during the 1949 coal strike, but were converted back within months.[1]

Most survived until replaced by GM class diesel locomotives with the last withdrawn in September 1952.[1]



  1. ^ a b c Oberg, Leon (1984). Locomotives of Australia 1850s-1980s. Frenchs Forest: Reed Books. p. 108. ISBN 0 730100 05 7. 
  2. ^ KA class Chris's Commonwealth Railways Pages


  • Fluck, Ronald E; Marshall, Barry; Wilson, John (1996). Locomotives and Railcars of the Commonwealth Railways. Welland, SA: Gresley Publishing. ISBN 1876216018. 

External links[edit]

Media related to Commonwealth Railways KA class locomotives at Wikimedia Commons