Molecraft who are still going by the looks of it
http://www.hotfrog.com.au/Companies/...x-4-Conversion
made a fair few different versions of this over the years here is a tonner version
http://www.gumtree.com.au/s-ad/alban...ilt/1016117277
I think they are the ones that did the commodore wagon one I have seen around as well.