Walk-Behind Concrete Saw Power Source Gas Powered Series FS 3500 G Primary Saw Application Asphalt Concrete Tool Style Walk-Behind Blade Dia 20 in Max Blade Speed 2 650 RPM Horsepower 37 Arbor Size 1 in Arbor Shape Round Cutting Type Wet Max Cutting Depth 7 5/8 in Variable Speed Yes Tool Weight 992 lb Fuel Type Gasoline Engine Type Four Stroke Engine Brand Kohler Start Type Electric Includes IPL Operating Manual Wrench