60 Pile Driver (with 55/70 Sleeve) Gasoline:2-stroke oil=25:1 Displacement 52cc Maximum power 1900W Maximum torque 3.5N.m Fuel consumption rate 0.6L/h Impact number 1500BPM Fuel tank volume IL Net weight 16.8kg Gross weight 24KG Fuselage height 54cm Impact energy 30-55J