[1] They operated services in South East Queensland including suburban trains in Brisbane.

After rebuilding at Hutt Workshops, they were placed in service with the Australian Transport Network in Tasmania as the DQ2000 class.

In 2002, six were overhauled and fitted with 1,435 mm (4 ft 8+1⁄2 in) standard gauge bogies from FreightCorp 49 class locomotives for use by Interail in New South Wales as the 423 class.

[6][7] In 2005, seven have been exported to Ferrocarril de Antofagasta a Bolivia, Chile.

[2] In 2006, two were rebuilt and transferred to Australian Railroad Group for use in Western Australia as the AD class.