"The NorTrac 3-pt. rotary tiller turns up hard ground quickly and easily. Middle gearbox driving system makes working more effective. Category Type 2, Working Width in. 71, Product Type Tiller, Working Depth in. 3 1/2-6 3/8, Required HP 50-60, Blades qty. 40, Hitch Type 3-pt. Tiller turns up hard ground quickly and easily Middle gearbox driving system makes working more effective Oil-bath gear drive system with skid depth adjustment and adjustable lower hitch PTO shaft is a 6-spline input tractor side and an 8-spline output implement side Includes rear deflector 790mm PTO shaft"