The only thing I would watch out for with a larger blade is the “check chains” on the lower link lift arms of the 3pt hitch. On my tractor the check chains, Kubota’s term, are a turn buckle affair and the leverage of a long blade can put a great deal of stress on that point. I have broken two of them when using a blade extended to the side to clean out ditches. I would think with snow you would be fine though.
MarkV