The OB wagon/gondola [this is the wagon version] started life in 1928 and is still running today. It is a South Australian wagon but has travelled to Victoria where it is also known as the E wagon and NSW as early as the 60s behind AD60 Garratts.
The decal sheet provides for many options. Price includes bogies. Alternatively purchase BSFOBWNoB and supply and fit your own archbar bogies.