NorTrac 3-Pt. Rotary Tiller - 49in.L, 26 Blades 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