Beacon Professional Grade Generator 13HP 23.74 cu.in. (389 cc) 1 cylinder, 4-stroke, OHV, air-cooled gasoline engine CARB Certified EPA Certified This item can only be shipped with the Continental USA via Ground. No Express Shipping Available due Engine: Rated Power 13HP Displacement 23.74 cu.in. (389 cc) Type 1 cylinder, 4-stroke, OHV, air-cooled gasoline engine Max. Output 3600 RPM