Onslow railway

The Onslow railway, owned by WEZCO and operated by it's Australian subsidiary WEZCO Pilbara Ore, is a private rail network in the Pilbara region of Western Australia for the purpose of carrying iron ore.

Rolling stock
To operate construction trains, WEZCO purchased a withdrawn shunter. It was overhauled at and shipped from the  to  in May 1968. To haul the iron ore trains, five engines were purchased (100-105), two being built in  and three by  in. All had been retired by 1987 with one preserved on a plinth at Hedland Yard.

From March 1970-December 1972, 36 locomotives were built by  and then  in. In 1992, all had been withdrawn. Two were preserved by heritage groups, and the rest were sold to and exported to the US. Five were then re-sold by NRE to the and later to the.

In 1996, 17 engines were delivered in one shipment from Erie, Pennsylvania.