Yandi One backtrack, following a cyclone shutdown of the mainline and severe flooding around Yandi a 'mixed' freight train was operated to Yandi to deliver food, mail and diesel fuel to the mine and camp. Here BHP Iron Ore empty 82 kL Comeng NSW built tank waggon 0004 one of six such tank waggons built in 1970-71. February 1997. GeoData.