The Generac 6864 portable generator is a powerful and reliable source of backup power for your home or jobsite. With its 15kW maximum output and 12.5kW rated output, it can handle a variety of appliances and tools, including refrigerators, lights, power tools, and sump pumps. The 6864 is powered by a Generac OHVI engine with a 3.5-gallon fuel tank, providing up to 11 hours of runtime at 50% load. It features electric and recoil start options, as well as a variety of safety features, including low oil level shutdown and overload protection.