page_title: Australian National AL class
section_title: Remanufacturing
hierarchical_section_title: Australian National AL class / Remanufacturing
caption_attribution_description: English: Genesee &amp; Wyoming ALF22 (Ex AL23) at North Geelong Grain Loop 24/9/2019
context_page_description: 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.
context_section_description: In August 1992, Australian National awarded Morrison Knudsen Australia a contract to remanufacture the ALs at its Whyalla factory. As part of the deal Morrison Knudsen purchased the locomotives and leased them back to Australian National for 12 years.
  The rebuilding in the first half of 1994 involved stripping back to the frame. Changes included the EMD 645E3 engines being replaced with overhauled EMD 645E3C engines imported from Morrison Knudsen in the USA, removing the No 2 end cab and being reclassified as the ALF class. After rebuilding the locomotives did not retain their numbers, for example the first locomotive converted was AL21 which emerged as ALF18.
  In 1994, Australian National's interstate services were transferred to National Rail. The lease with Morrison Knudsen meant the locomotives could only be used on Australian National trains, or a higher lease fee would apply. As a result, the class were not seen on National Rail operated trains, and did not venture onto the wider national standard gauge network until Australian National won hook and pull contracts for private operator SCT Logistics in July 1995.
caption: Genesee & Wyoming ALF22
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