Patent ID: 8826508

Claim:
A method of replacing a tire system on a compact tractor, said tractor being a four-wheel-drive tractor, said tractor being designed for use selectively with standard industrial size tires on standard industrial size wheel rims, standard agricultural size tires on standard agricultural size wheel rims and standard turf size tires on standard turf size wheel rims, at least some of said standard agricultural size wheel rims and said standard turf size wheel rims being different in size from said standard industrial size wheel rims, the tractor having a frame size falling within an industry classification selected from the group consisting of extra large frame, large frame, mid-frame and small frame, said method comprising: (a) providing a compact tractor equipped with a set of two front and two rear standard industrial size tires mounted on two front and two rear standard industrial size wheel rims; (b) providing a set of replacement agricultural tires or replacement turf tires, the set of replacement tires including two front replacement tires and two rear replacement tires having rolling circumferences such that a front tire overspeed for the tractor with the set of replacement tires installed is maintained within a manufacturer specified front tire overspeed range for the majority of tractors falling within said industry classification; (c) removing at least the two front standard industrial size tires from the two front standard industrial size wheel rims; and (d) mounting at least the two front replacement agricultural or turf tires on the two front standard industrial size wheel rims, thereby converting the tractor from industrial tires to agricultural or turf tires without replacing the two front standard industrial size wheel rims.