[2] Following Queensland Rail purchasing Australian Railroad Group in June 2006, 19 were transferred to Western Australia and reclassified as the ACN class, but retain their original numbers.
[3] The Queensland based units are primarily used on the Blackwater, Moura and Newlands coal networks, and on phosphate trains between Mount Isa and Townsville.
The Western Australian-based units are primarily engaged hauling iron ore trains.
All were included in the transfer of Queensland Rail's freight business to QR National in July 2010.
[5] Designated the GWN class, they operated on the Arrium iron ore railway to Whyalla Steelworks.