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| The WAGR S Class Diesel Locomotive is a dual-cabin diesel-electric locomotive ordered in 1996 by Westrail for the 1,067 mm (3 ft 6 in) intrastate railway lines in Western Australia. Nine units were ordered by Westrail from Clyde Engineering in a nine-month period and an additional two units were also ordered. The S Class locomotives are an improved version of the NSWGR Ready Power 82 class locomotives, equipped with an upgraded 12-710G-ES diesel engine. The locomotive's continuous tractive effort amounts to 74,440 lbf (331.1 kN).|
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