Hi Guys:
The one Bob C is talking about is mine. It is a bog standard trailer GS, 4 wh, 2 ton which was in essence the start point of all the other 4 wh, 2 tonners. Turntable front axle steering which wore down the tyres much faster than Ackerman steering. Bog standard 15cwt rims, etc. I would bet that the bearings in the hubs are 15cwt but haven't looked yet.
The deck on mine is a Lindsay body transplanted from a 30 or 60 cwt by someone lost in the mists of time... it could have been an army job or a civi job, dunno. Later in its life, the walls were cut away leaving the Lindsay body floor complete with truck wheel wells and, for some bizarre reason, the fold down work bench was left in place (the big bit sticking up on one side. The other stuff on the deck is a signals line layer set for the Chev 5/4 tons of 1976 fame. I put it there to keep it off the ground.
If the price is right, snap that Sask wild flower up. These trailers are not often seen and its worth saving. The GS bodies were pretty simple and I have an example so can provide dimensions. Even easier would be the flat deck version with posts and chains (see Gregg's book for a photo as I still am not computer competent enough to post 'em).
Would go well behind a 15cwt or larger and with the flat deck can be used to carry vets, cadets, etc in parades!
Good luck whoever goes for it. Let me know and we can compare notes!
Cheers! Mike