South Australian Railways 700 class (diesel)
Encyclopedia
A class of locomotive introduced and operated by the South Australian Railways
South Australian Railways
South Australian Railways built and operated railways in South Australia from 1854 to the incorporation of its non-urban railways into the Australian National Railways Commission in 1975, together with the former Commonwealth Railways and the former Tasmanian Government Railways...

 that was subsequently operated by Australian National Railways
Australian National Railways Commission
The Australian National Railways Commission was a government owned railway operator in Australia. ANRC was also known as Australian National Railways in its early years and was later rebranded as Australian National .-History:...

. This class of locomotive was powered by an Alco V12 diesel engine. There were 6 units built.

The 700 class of locomotive were introduced in 1971 and all but one, 702 which was scrapped after a fire, remain in service. The class were built at A. E. Goodwin
A. E. Goodwin
A. E. Goodwin was an Australian heavy engineering firm, which produced railway locomotives and rolling stock, as well as roadmaking machinery....

, Sydney
Sydney
Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

, New South Wales
New South Wales
New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

.

Ownership

The 700 class were ordered and operated initially by the South Australian Railways
South Australian Railways
South Australian Railways built and operated railways in South Australia from 1854 to the incorporation of its non-urban railways into the Australian National Railways Commission in 1975, together with the former Commonwealth Railways and the former Tasmanian Government Railways...

 (SAR) then they were taken over by the Australian National Railways
Australian National Railways Commission
The Australian National Railways Commission was a government owned railway operator in Australia. ANRC was also known as Australian National Railways in its early years and was later rebranded as Australian National .-History:...

 (AN) when all functions were transferred to AN on 1 July, 1975. With the abolition of AN and sale of parts of the business in November 1997, the next owner of the 700 class locomotives became Australian Southern Railroad (ASR), ASR was then subsequently renamed Australian Railroad Group
Australian Railroad Group
Australian Railroad Group was one of Australia's largest private rail operators, operating across almost 10,000 kilometres of track and began operating in Western Australia on 17 December 2000 following its purchase of the Westrail freight business. It was acquired by QR National...

 (ARG). In 2006 following the sale of ARG the five remaining locomotives were transferred to Genesee and Wyoming Australia
Genesee and Wyoming Australia
Genesee and Wyoming Australia is an Australian rail freight operator based in Adelaide, South Australia. It is a 100 percent owned subsidiary of Genesee and Wyoming Inc based in the USA, and was formed in June 2006 to run the South Australian operations of the Australian Railroad Group joint...

 for use on their South Australian leased network, and on interstate services.

Locomotive type

The 700 class ALCO locomotives are built as the DL500G type of locomotive and are the same model as the New South Wales
New South Wales
New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

 442 class
New South Wales 442 class locomotive
The 442 class locomotives were ordered and operated by the New South Wales Government Railways. They were the second generation of Alco units to be built, and were used on both main freight and passenger service in New South Wales, and throughout Australia since entering private ownership. The...

of locomotive.
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