WO type iron ore waggon WO 31260 is one of a batch of sixty two built by Goninan WA between April and August 2000 with serial number 950086-010 and build date of 05/2000 and fleet number 146 for Koolyanobbing iron ore operations, and is a Goninan built replacement WO type waggon that replaces the original WAGR built WO type waggon with the newer style WOD type and has square features opposed to the curved ones as on the original WO class. Bonnie Vale, 28th May 2006.