Pile Driver Small Handheld Electric Project Highway Portable Pile Driver Two-stroke 2200W with 55 70 sleeve Mixing ratio:25:1(gasoline:oil) Fuel tank volume:1.3L Emission:52cc Output speed:1500BPM Maximum power and speed:2200W/6500r/min Maximum torque and speed:3.5N.m/5000r/min Fuel consumption rate:0.6L/h Impact capacity:20-65J Net weight:about 19.5Kg