Specification: Engine Type: Two-Stroke, Air Cooling, Single Cylinder Displacement: 52cc Fuel Type: Mixed Oil (25 Gasoline: 1 Motor Oil) Fuel Tank Capacity: 1 L Max. Power & Speed: 1900W(2.3HP)/6500r/min Max. Torque & Speed: 2.5N. 743426cm Post Driving Head Mount Size: (55mm, 70mm) Package Included: 1x Petrol Post Driver 2x Post Driving Head 1x Mixing Oil Bottle 1x Tools Kit.