I guess it's rather a FWD HAR-1 4-ton Cargo Truck (1943-1944) :
https://www.youtube.com/watch?v=4IDGrGTrlRMAFAIK, many were supplied to Britain and Canada under Lend-Lease and some were also used by Polish units.
I don't think there's a 1/35 scale kit for it, but Wheels and Tracks No 5 issue has some 1/76 scale drawings if you're into scratchbuilding
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H.P.