100605 9377112 viewsWO type iron ore waggon WO 31404 is one of a batch of eleven replacement waggons built by WAGR Midland Workshops between 1970 and 1971 with fleet number 182 for Koolyanobbing iron ore operations, with a 75 ton and 1018 ft³ capacity, Binduli Triangle, loaded with fines, 5th June 2010.