SPECIFICATIONS Farm King Brush Mower - Series 2 Model 628 Catergory 2 - 3 Point Hitch Style Cutting Width: 72.0 in Cutting Height: 2.0-12.0 in Blade Tip Speed: 14861 ft/min No. of Blades: 2 Spring Steel Blade: 1/2" x 3" heat treated Gearbox: Closed 540 rpm Gearbox Rating: 60 hp Tractor Required:35-65 hp PTO Shaft: Slip Clutch Stump Jumper: 24 in diameter Weight: 856 lbs