Gasoline Demolition Jack Hammer 52CC Single Cylinder Gas Two Stroke Air Cooled Gasoline jack hammer ; Starter System: Hand pull start Engine Type: 44MM, Single Cylinder, Two Stroke, Air Cooled ; Displacement: 52CC Fuel Mixture Ratio: 25:1(gasoline 25, two-stroke engine oil 1) ; Fuel Tank Capacity: 1.7L Max Power and Speed: 1.7KW/6500r/min ; Max Torque and Speed: 3.5N.m/5000r/min Quantity: 1 ;Unit weight: 45 lbs;Overall dimension: 9-1/2''L x 14''W x 26''H