Specialty 31x15.50-15 BKT Tractor Lug TR-315 Compact Tractor Tire 8 Ply 31x15.50-15 BKT Tractor Lug TR-315 8 ply Compact Tractor Tire 45 degree tread angle for excellent traction. Wide tread for superior flotation. This tire can also be used on your Dune Buggy & Sand Rail. Off-Road only, NOT for... $270.00 Add to Cart