15 - 65 PTO HP 1200 Series Standard-Duty Cutters These rotary cutters are designed for standard-duty applications such as weeds, grass, and light brush up to 1.5” in diameter. These cutters are designed to work with 15 to 65 hp tractors, and is 72” wide. These cutters use a single spindle with two free-swinging blades, which reduce the shock of impact when a stationary object is contacted. A slip clutch protects the gearbox and driveline from damage. Standard equipment includes driveline shields and clutch shields.