About The Mount Newman railway, owned and operated by BHP, is a private rail network in the Pilbara region of Western Australia built to carry iron ore. It is one of two railway lines BHP operates in the Pilbara, the other being the Goldsworthy railway The Mount Newman railway runs for 426 kilometres, from Newman to Port Hedland, and is one of Australia's longest private railways. The line, along with its spur lines to Mount Whaleback, Orebodies 18, 23 and 25, Jimblebar, Yandi and Area C, services the iron ore mines at Newman. It has the longest and heaviest trains in the world. The railway line was officially opened on 22 January 1969 by Premier David Brand. On 21 June 2001, the line broke the world record for the heaviest train as well as the longest train when a train weighing 99,734 tons and formed of 682 wagons ran for 275 kilometres between Yandi and Port Hedland. The train was 7.3 kilometres long, carried 82,000 tons of iron ore, and was hauled by eight GE AC6000CW locomotives. Rolling stock Alco 636 CM36-7 CM40-8M CM39-8 CM40-8