Brand new Gentron 10,000-watt portable generator 10,000 peak surge watts and 8,000 running watts. 420cc OHV 4-cycle engine, electric start with recoil backup, and runs for 11 hours at half load on an 8-gallon fuel tank. Key (Gasoline)Engine: 15 HP, 420cc air-cooled OHV hi 4-cycle Run Time: 11 hours at 50% load on an 8-gallon tank Electric start (maintenance-free battery included) backup recoil pull-start Four 120V AC duplex outlets, 120V twist-lock, 120/240V twist-lock, and a 12V DC terminalSafety & Design: Low-oil automatic shutdown, automatic voltage regulator (AVR), and an included wheel/handle kit