High Power Output : Generates 14,500 peak watts and 11,500 running watts on gasoline; 13,500 peak watts and 10,500 running watts on propane; 12,000 peak watts and 9,500 running watts on natural gas. Extended Operation : Operates for up to 19 hours on a 9.5-gallon fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb.
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