A Western Australian Government Railways Cast Steel 50 Ton Ride Control bogie with Roller Bearings and Disc wheels that have 4 holes, these where designed for use on Narrow Gauge, Standard Gauge and Broad Guage bogie exchange rollingstock. This is the Back Bogie on Standard Gauge and is painted in a bright Yellow with a W.C of 5ft 9in and 3ft 0 1/4in dia wheels, b.r.base0, is located Z-Axis 0.