This well known photo showing the off-road capabilities of the CMP truck should be in included here:
“Caption: Personnel of 2nd Canadian Infantry Division Signals with Personnel of the Royal Canadian Corps of Signals (R.C.C.S.), 2nd Canadian Infantry Division, examining a Ford three-ton truck which sank into a ditch on the Beveland Causeway, Netherlands, 27 October 1944. Source: LAC - PA-142071.”