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In page New South Wales 47 class locomotive:

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Twenty were ordered from A Goninan & Co with the first delivered in July 1972. After undergoing acceptance trials the first entered service in September 1972 with the last delivered in May 1973. Originally intended for use hauling coal services in the Hunter Valley, they were allocated to Bathurst to operate services in the state's west from Lithgow to Euabalong West, Bourke and Cootamundra and all branches in between. Their excellent ride qualities saw them find favour with crews, although they did suffer from overheating with one destroyed by fire in April 1974 and another in a collision in March 1977.[1][2]