100605 937699 viewsWO type iron ore waggon WO 31274 is one of a batch of eighty six built by WAGR Midland Workshops between 1967 and March 1968 with fleet number 156 for Koolyanobbing iron ore operations, with a 75 ton and 1018 ft³ capacity, Binduli Triangle, loaded with fines, 5th June 2010.