[F-2] For a versatile fronts and implements tire with rugged Firestone construction, look to the Champion Guide Grip 3-Rib Tire. Its wide 3-rib design performs in all types of farming conditions. HD means "heavy duty" - an even tougher version of our popular Champion Guide Grip 3-Rib. Front tractor tire with wide three-rib design steers easily while resisting slippage. Self-cleaning tread for positive steering. Shock-fortified nylon-cord body resists impacts.