The GX390 engine is suitable for a wide range of heavy-duty applications such as construction equipment, tillers, generators, welders, pumps and other industrial applications. Engine features: The OHV design enhances combustion efficiency This unit is powered by a 389 cc Honda GX390 manual/electric start OHV engine with auto shut off for low oil. The premium alternator provides low harmonic distortion. The large 8 Gal. tank with fuel gauge More + Product Details Close Honda GX390 13 hp Horizontal Commercial Engine Honda Engines The GX390 is all new for 2010, featuring more power, quieter performance, lower fuel consumption, and lower emissions. The Honda Honda GX390 RT2/T2/UT2 is a 0.39 l (389 cc, 23.7 cu·in) single-cylinder air-coolled 4-stroke internal combustion small gasoline engine with horizontal shaft, manufactured by Honda Motor for general-purpose applications.. From spring 2010 onwards, Honda producing the updated version of GX390 engines with larger displacement. Honda GX Series Engine Parts. 866-322-9842. 866-322-9842. Mon-Fri 7am-1am EST Sat-Sun 7am-11pm EST. Departments Shop All. Appliance Parts Exercise Equipment Parts Grill Parts HVAC Parts Lawn Equipment Parts Motorsport Parts Outdoor Recreation Parts Plumbing Parts Pool and Spa Parts Power Tool Briggs & Stratton 30557 VOX 6500-Watt Gas Powered Portable Generator with Honda GX390 OHV 390cc Engine and Never Go Flat Wheels Reviews and Specs Clean and instant power to keep appliances and other important electronics running during a power outage Power Surge Alternator to run multiple large appliances at the same time Honda GX390 OHV 390cc Engine and automatic voltage • Equipment manufacturer's name and model number that the engine is mounted on • Engine model, serial number, and type • Name of the dealer who sold the engine to you • Name, address, and contact person of the dealer who services your engine • Date of purchase • Your name, address, and telephone number The Honda GX390 en