Cost. where I live, northern WI, Walmart ( lowest cost I can find) has a direct replacement turf tire for $350 each, only 4 ply. A LT mud tire, 6 ply, is $170 each. If I chose to go with R4’s or R14t’s, no 15” wheel sizes in those, so I need to buy new wheels at $350 each. with mounting, turf...