The 2250 class are a class of diesel locomotives rebuilt by

Queensland Rail Queensland Rail (QR) is a railway operator in Queensland, Australia. Owned by the Queensland Government, it operates local and long-distance passenger services, as well as owning and maintaining approximately 6,600 kilometres of track and relate ...

Redbank Railway Workshops Redbank Railway Workshops are a major workshops for the repair and heavy maintenance of locomotives and rolling stock for Aurizon, located in Redbank, City of Ipswich, Queensland, Australia. History With its North Ipswich Railway Workshops becom ...

in 2004.

History

The 2250 class are former 1550 class (6), 2130 class (all 11), and 2141 class (all 8) locomotives that were rebuilt in 2004. The rebuilds included new cabs, Dash 2 electronics, ZTR traction control equipment,

EMD 645 The EMD 645 is a family of diesel engines that was designed and manufactured by the Electro-Motive Division of General Motors. While the 645 series was intended primarily for locomotive, marine and stationary engine use, one 16-cylinder versio ...

E engines from

1502 Year 1502 (Roman numerals, MDII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events January–June * January 1 – Kingdom of Portugal, Portuguese explorers, led by Gonçal ...

s and the replacement of the roots blower supercharger with a

turbocharger In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

. They were also ballasted to as they only operate on heavy coal trains. 20 locomotives were sold to

Transnet Transnet SOC Ltd is a large South African rail, port and pipeline company, headquartered in the Carlton Centre in Johannesburg. It was formed as a limited company on 1 April 1990. A majority of the company's stock is owned by the Department ...

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...

in 2014. 5 were brought back into Australia by GWA for use on the Whyalla network, releasing GWN class locomotives for service in Queensland.

References

{{QueenslandLocos, state=collapsed Aurizon diesel locomotives Co-Co locomotives Diesel locomotives of Queensland Diesel locomotives of Western Australia Queensland Rail locomotives Railway locomotives introduced in 2004 Diesel-electric locomotives of Australia 3 ft 6 in gauge locomotives of Australia