The T class were built by Tulloch Limited of Rhodes, Sydney, New South Wales from 1967 to 1970. They were used across the network shunting in various yards. Withdrawals began in late 1985, with all but being withdrawn by mid-1994. 1 T class is preserved along with 3 TA class, one of which remains in operational service. The TA class were a later version with larger engines.
