The FIRMAN T08071 tri fuel generator is a 10000 watt trifecta with the ability to run off of gasoline, propane, and natural gas with an electric starting system. Including a 5.5ft LPG hose for convenience using larger tanks, the T08071 is also California emissions certified. Its 8gal tank runs for 12hrs and at 74dB. Our Max Pro Series 439cc engine runs cool and efficient thanks to its Phoenix Fat Head Block. With a built-in 10” wheel kit and folding handle, the tri fuel T07571 can go anywhere and perform however you like. Note: Everything you need is in the box including: oil, funnel, operator's manual, and spark plug wrench.