A total of fifty WVX class standard gauge vans ran on narrow gauge bogies between 1967 and 1969. They were classified VWV during this period. The wagons converted in 1967 were numbers 30704/6/8, 30719, 30720/1/7/9, 30751, 30778 followed by numbers 30702/3/5/7/9, 30710-2/6-8, 30722-6/8, 30730-2/5/7, 30743/5/8/9, 30750/2/4/5/7/8, 30761-6/9, 30775 in 1968. Apart from 30704, 30750/8 and 30762/5 which were reconverted to WVX in 1969 all of the rest were reconverted in 1968.