A Victorian Railways Cast Steel 40 Ton Ride Control bogie with Roller Bearings and disc wheels, these where designed for use on Broad Gauge and Standard Gauge bogie exchange rollingstock. This is the Back Bogie on Broad Gauge and is painted Red with a W.C of 5ft 9in and 3ft 0 1/4in dia wheels, b.r.base0, is located Z-Axis 0.
The BB 30 bogies was one of the first roller bearing cast steel bogies designed for exchanging bogies between Broad Gauge and Standard Gauge, it was built from 1960 and where first fit to the Type 2 BB Boxvans which was also painted in a Brown colour.