100822 6277

WOB type iron ore waggon WOB 31391 is one of a batch of twenty five built by Comeng WA between 1974 and 1975 and converted from Mt Newman high sided waggons by WAGR Midland Workshops with a capacity of 67 tons with fleet number 316 for Koolyanobbing iron ore operations. This waggon was also converted to a WSM type ballast hopper by re-fitting the cut down top section and having bottom discharge doors fitted, converted back to WOB in 1998, on empty train 1416 at Hampton, 22nd August 2010.