Somerville, broad gauge V/Line VZOA type bogie ballast waggon VZOA 231. Originally built in 1912 by VR Newport Workshops as a member of the 407 strong QR class drop door open waggons. Re-classed in 1979 to VOWA, and in 1985 to VZWA. In 1990 re-classed again to VZOA to operate with the ballast cleaning machine. Coupled to VOWA type VOWA 350.