All cutters are equipped with Heavy Duty 125 HP Gearboxes with 2” Output Shafts, Round Blade Carrier (not on shredder kit), Shielded “Shock Absorber Type” Drive Shaft, Rubber Shielding (front only), and Replaceable Skid Shoes. (For Lift type only, 2 Laminated 6.00 X 9 Tail Wheels.) Sturdy ¼” deck.