SPECIFICATIONS Engine: 22.0 hp GX 690 Honda Displacement: 688cc Fuel Capacity: 7.5 L gas Start System: Electric Start Drive System: Centrifugal Clutch, Belt Drive Engine Speed: 3600 rpm Rotor Speed: 1280 rpm Rotor Diameter: 30.0 inch disc Number of Knives: 4 Feed System: Gravity/ Self Feed Hopper Opening: 25.0 x 25.0 inch Housing Opening: 6.0 x 12.0 inch Chipping Capacity: Max 4.0 inch stock material Chute Discharge Height: 88.0 inch Chute Discahrage Rotation: 360' Dimension (L x W x H): 86.0 x 75.0 x 88.0 in Weight: 1365.0 lbs