WOC type iron ore waggon WOC 31341 is leader of a batch of thirty built by Goninan WA between October 1997 to January 1998 with fleet number 401 for Koolyanobbing iron ore operations with a 75 ton capacity and lettered for KIPL, Koolyanobbing Iron Pty Ltd, seen here loaded with fines ore at Bonnie Vale in train number 413, 28th May 2006.