Echo's Chipper Chute Opening: 13'' x 15'' Chute Throat: 5'' x 5'' Rotor Size/Weight: Cantilevered 14" x 1"/49 lbs. Chipping Blades: 2 Reversible Heat-treated Drive Type: Double-Banded Belt Feed System: Gravity/Self Feed Dimensions Max Chipping Capacity: 4'' L x W x H: 75'' x 51'' x 45'' Weight: 530 lbs. Engine Make: Briggs & Stratton XR Pro Starter Type: Recoil Displacement: 420cc Trailer Wheel Base: 44'' Wheels/Tires: 4.8-8