The Commonwealth Railways were established in 1917 by the Government of Australia with the Commonwealth Railways Act to administer the Trans-Australia and Port Augusta to Darwin railways. It was absorbed into Australian National in 1975.
The CL class is a class of diesel locomotives built by Clyde Engineering, Granville for the Commonwealth Railways in several batches between 1970 and 1972. The class was the last in the world to be built with the Electro-Motive Diesel bulldog nose but differed from previous builds in having a mansard roof.
The GM class are a class of diesel locomotives built by Clyde Engineering, Granville for the Commonwealth Railways in several batches between 1951 and 1967. As at January 2014, some remain in service with Aurizon and Southern Shorthaul Railroad.
The 79 class is a diesel-electric locomotive built by General Electric, Erie, United States for the Department of Railways New South Wales in 1943.
The Commonwealth Railways NC class consisted of two diesel-hydraulic locomotives built by Clyde Engineering, Granville, New South Wales in 1956. The Lakewood Firewood Company, Kalgoorlie was the first owner; the Commonwealth Railways purchased them in 1965. They ceased revenue service in the early 1980s.
The Commonwealth Railways NSU class was a class of diesel-electric locomotives built in 1954 and 1955 by the Birmingham Railway Carriage and Wagon Company, England, for the Commonwealth Railways to be deployed on the narrow-gauge Central Australia Railway and North Australia Railway.
The Commonwealth Railways NM class locomotive was a class of 4-8-0 locomotives of the Commonwealth Railways, Australia. The class operated on 1,067 mm narrow gauge lines in South Australia and the Northern Territory.
The DR class was a diesel locomotive built by Ruston & Hornsby for Shell in 1954. Shell used it at their Clyde Refinery before it was sold in 1964 to the Commonwealth Railways. It was withdrawn in 1975 and stored at Port Augusta until 1987 when it was sold to the Richmond Vale Railway Museum.
The NJ class are a class of diesel locomotive built in 1971 by Clyde Engineering, Granville for the Commonwealth Railways for use on the Central Australia Railway.
The Commonwealth Railways G class was a class of twenty-six 4-6-0 tender locomotives of the Commonwealth Railways, Australia. The class operated between Port Augusta and Kalgoorlie on the 1435 mm Trans-Australian Railway.
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 Trans-Australian Railway.
The Commonwealth Railways C class was a class of 4-6-0 passenger locomotives built in 1938 by Walkers Limited, Maryborough, for the Commonwealth Railways, Australia.
The Commonwealth Railways L class was a class of 2-8-2 freight locomotives built in 1951-1952 by Clyde Engineering, Granville, for the Commonwealth Railways, Australia.
The Commonwealth Railways K class was a class of 2-8-0 freight locomotives built in 1916 by North British Locomotive Company, United Kingdom, for the Commonwealth Railways, Australia.
The Commonwealth Railways CA class was a class of 4-6-0 steam locomotives purchased by the Commonwealth Railways, Australia, from the New York, New Haven and Hartford Railroad (NH), USA, through Lend-Lease during World War II.
The South Australian Railways Gc Class locomotive was built by Robert Stephenson and Company and entered service on the Adelaide Glenelg & Suburban Railway in 1879. In November 1881, the locomotive was sold to the Glenelg Railway Company and became their No. 6. It entered service on the South Australian Railways on 16 December 1899 following the purchase of the Glenelg Railway Company. The SAR classed this locomotive as Gc and numbered it 160. No. 160 was then scrapped on the 26th of July 1905.
The South Australian Railways Gd Class locomotives were built by Beyer, Peacock and Company for service on the Holdfast Bay railway line in 1880. They were numbered 4 and 5. In November 1881, both engines were sold to the Glenelg Railway Company and became their number 9 and 10. These locomotives entered service on the South Australian Railways in December 1899, following their purchase of the Glenelg Railway Company and thus classed Gd No. 163 and 164. Nos. 163 and 164 were both condemned as of the 6th of February 1925 and ultimately scrapped.
The Commonwealth Railways D class were a class of 4-4-0 construction and shunting locomotives built in 1880 by Beyer, Peacock and Company originally for the New South Wales Government Railways and later the Commonwealth Railways.
The Commonwealth Railways F Class was a 2-6-0 tender engine built by the Baldwin Locomotive Works in 1885 for the New South Wales Government Railways as their K class and later sold to the Commonwealth Railways becoming their F class.
