Carlisle 4.00-12 Carlisle Rib Implement Tractor Tire 4 ply 4.00-12 Carlisle 4 Ply Rib Implement Tractor Tire Used on hay mowers, hay rakes and other types of farm implements. Also fits the US Army M3A4 Utility Hand Cart. This tire is Tube-type and requires a tube. For more tire specs, see... $95.00 Add to Cart