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] In January 1981, it was decided to transfer the class to Broadmeadow to take up the duties they had originally been built for being used to haul coal services from Belmont, Dudley, Lambton and Pelton.

A downturn in traffic as a result of a drought saw them placed in store at Parkes in 1982/83 before all were reactivated in 1984 resuming duties out of Broadmeadow.

[1] In 1987, 4719 was withdrawn from service and stored at Bathurst Workshops as a source parts to keep sister units working, being joined by 4715 in November 1988.

As of July 2019, 3 Lachlan Valley Railway units remain in service, primarily operating AK Car test trains for ARTC.