WO type iron ore waggon WO 31215 is one of a batch of sixty two built by Goninan WA between April and August 2000 with serial number 950086-003 and fleet number 111 for Koolyanobbing iron ore operations, marked as a TEST WAGGON, and is a Goninan built replacement WO type waggon with a build date of 04/2000, this replaces the original WAGR built WO type waggon with a WOD type with square features opposed to the curved ones as on the original WO, empty train arriving at Binduli Triangle, 31st July 2010.