WO type iron ore waggon WO 31214 is one of a batch of sixty two built by Goninan WA between April and August 2000 with serial number 950086-002 and fleet number 110 for Koolyanobbing iron ore operations, and is a Goninan built replacement WO type waggon that 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, on empty train 6418 at Binduli Triangle, 31st July 2010.