Good photos, thanks!
It would be nice to identify a trucks. Did these trucks saw service with Canadian army or it was only a trials?
As for "An odd Ford Gun Tractor", yes, I know that topic! Some photos I have mentioned were found there (including "Thorneycroft" tractors towing Australian 60-pdrs or Ford M-H 6x4 truck towing Canadian 3" AA gun)! Unfortunately I was unable to find any photo of other prewar artillery tractor towing medium 60 pdr guns or 6" howitzers...
