WOC type iron ore waggon WOC 31355 is one of a batch of thirty built by Goninan WA between October 1997 to January 1998 with fleet number 415 for Koolyanobbing iron ore operations with a 75 ton capacity and lettered for KIPL, Koolyanobbing Iron Pty Ltd, at Binduli Triangle, 29th July 2010.