The iron ore mining industry in the Pilbara region of north west Western Australia operate some of the worlds heaviest trains.
Hamersley Iron's railway runs from Tom Price and Yandicogina to Dampier
BHP Iron Ore's (originally Mt Newman Mining) railway runs from Newman to Port Hedland
Robe River Iron Associates railway runs from Pannawonica to Cape Lambert
Goldsworthy Mining's railway (now a part of BHP Iron Ore) runs from Nimagee to Finucane Island
The Pilbara railway museum at Dampier has a collection of early Pilbara railway locomotives.