Product Highlights A complete yard and garden cleanup machine. Devours branches up to 5" in diameter and shreds yard and garden waste up to 1.5" thick. Get 20:1 reduction with our innovative shredding technology. Specifications Engine Air Filter Dual element Displacement 420CC Ft Lbs Torque 19.6 Horsepower 12 Lubrication Splash Make DR Model OHV Number Of Cylinders 1 Oil Capacity 1.2 Quarts Oil Type SAE 30W HD RPM Speeds 3600 (+/- 100) Starting Type Electric Chipping Chipper Knife Size 6-1/4" Chipper Knife Speed 97 MPH Chipping Capacity 5" Hopper Opening Size 8" x 14" Dimensions Flywheel Weight 33 lbs Shipping Weight 560 lbs Weight 407 lbs. Shipping Dimensions 78"L x 49"W x 50"H Fuel_System Fuel Capacity 1.7 gal (run time 45-60mins) Shredding Hammer Features 24 free swinging, serrated, reversible 3 additional times Standard Screen 1" Shredding Capacity 1-1/2" Warranty Engine Warranty 2 Year Residential, 90 Day Commercial Machine Warranty 2 Year Residential, 90 Day Commercial Wheels_Tires Number of Tires 2 Tire Size 16" x 4.6"