Forty similar examples were built by AE Goodwin for the New South Wales Government Railways as the 45 class in 1962-64.

Two were built in April 1965 for use on standard gauge construction trains and with completion imminent, a further five were delivered in 1969/70.

From July 1982 until October 1985, some were hired to the State Rail Authority where they were based at Goulburn to operate freight services on the Main South and Illawarra lines.

[5] In 1994, four were converted to Booster Units by Morrison Knudsen Australia's Whyalla factory to operate with Australian National's ALF class locomotives.

[11] In April 2016, these were sold to Southern Shorthaul Railroad and are currently stored, 602 was returned to service in 2017.