Lifan Pro Series LF7000 7000 Watt Comercial/Contractor/Rental Grade 13 HP 389cc 4-Stroke OHV Gas Powered Portable Generator with Recoil Start and Wheel Kit with Never-Flat Foam Filled Tires 7000 Watts maximum AC output/6000 Watts rated AC output - GFIC protected 13hp Lifan industrial grade OHV gas engine 100% Copper Wound Altenator (See details in attached pictures) 6.5 gallon fuel tank , 10 hour run time at 50% load; OSHA certified Voltage selector switch allows full wattage and amps to be channeled to 110v receptacles for additional starting and running power; AVR for stable voltage output (See details in attached pictures)