Australian Railroad Group (ARG) was an Australian rail freight operator. It began operations in Western Australia on 17 December 2000 following its purchase of the Westrail freight business. It was purchased by QR National in June 2006. The main commodities hauled by ARG included grain, mineral sands, alumina, bauxite, coal, woodchips, quartz, nickel and iron ore around Western Australia. In June 2011, it ceased trading as a separate brand, and became part of QR National.
Downer Rail is a business unit within the Downer Group. As well as manufacturing and maintaining railway rolling stock it holds maintenance contracts to maintain rail infrastructure. The head office is located in North Ryde.
The 80 class are a class of diesel locomotives built by Comeng for the Public Transport Commission between 1978 and 1983.
The 82 class are a class of diesel locomotives built by Clyde Engineering, Braemar for The New South Wales State Rail Authority's FreightRail division in 1994–1995. The sale of FreightCorp and its assets along with National Rail in 2002 saw ownership of all 55 remaining 82 class locomotives transferred to the newly formed Pacific National and patched over with its logos. As of October 2024, all but one of these locomotives remains in active service with Pacific National, one having been scrapped in 2016 after sustaining significant fire damage.
The 90 class are a class of heavy haul diesel-electric locomotives built by Electro-Motive Division, Canada for FreightCorp and EDi Rail, Cardiff for Pacific National for use on high tonnage Hunter Valley coal workings.
The 422 class are a class of diesel locomotives built by Clyde Engineering, Granville for the Department of Railways New South Wales in 1969/70.
The 421 class are a class of diesel locomotives built by Clyde Engineering, Granville for the Department of Railways New South Wales in 1965/66. These mainline locomotives were a follow on from the 42 class. The 421s retained the classic bulldog nose as with the other Clyde built GM and S locomotives at one end, but featured a flat-cab at the other end. In this respect, they are unique amongst bulldog nose locomotives in the world.
The G Class are a class of diesel locomotive built by Clyde Engineering, Rosewater and Somerton for V/Line between 1984 and 1989.
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 of January 2014, some remain in service with Aurizon and Southern Shorthaul Railroad.
The GT46C-ACe is a model of Australian diesel-electric locomotive designed and built between 2007–present by Downer Rail at its Cardiff Locomotive Workshops using Electro-Motive Diesel components until 2014, with later units built in Muncie, Indiana.
The Cardiff Locomotive Workshops is a rail yard and rolling stock facility located between Cockle Creek and Cardiff stations near Newcastle, on the Main North railway line in New South Wales, Australia.
The GE Transportation C44aci is a model of Australian heavy duty diesel electric locomotive designed by UGL Rail and built at the Broadmeadow factory. It is operated by a number of rail freight operators. The design is based on the National Rail NR class but with some modifications and upgraded features.
The K class are a class of diesel locomotives built by English Electric, Rocklea for the Western Australian Government Railways between 1966 and 1969.
The H class are a class of diesel locomotives built by English Electric, Rocklea for the Western Australian Government Railways in 1964–1965.
The L Class are a class of diesel locomotives built by Clyde Engineering, Granville and Eagle Farm, and Commonwealth Engineering, Rocklea for the Western Australian Government Railways between 1967 and 1973.
The J class are a class of diesel locomotives built by Clyde Engineering, Granville, for the Western Australian Government Railways in 1966.
The GT42CU ACe is a model of diesel electric locomotives manufactured by EDi Rail, Maryborough between 2007 and 2013 under licence from Electro-Motive Diesel, for use on narrow gauge railways in Queensland, South Australia and Western Australia.
The P class are a class of diesel locomotives built by A Goninan & Co, Bassendean for Westrail between 1989 and 1991.
The AL class are a class of diesel locomotives built by Clyde Engineering, Rosewater for Australian National in 1976–1977. They were mechanically similar to the CL class but instead of a bulldog nose had two flat ended cabs, similar to the 422 class built for the New South Wales Government Railways in 1969.
