The H08053 is a 10000 watt powerhouse. Though large in size, this beast runs at 74dB and is Canada emissions certified. Our Max Pro Series 439cc engine runs cool and efficient thanks to the Phoenix Fat Head Block. 8gal fuel tank provides 12hrs of run-time. Starting is as easy as the push of a button with an electric-start system. All Hybrid Series run on gas or propane, giving you flexibility. The H08053 has a 5.5ft propane hose for convenience using larger propane tanks and includes a 10" wheel-kit and high leverage folding handle. Easy information is at your fingertips with a 3-in-1 data minder measuring Hrs, Volts, and Hertz. Note: Everything you need is in the box including: oil, funnel, operator's manual, and spark plug wrench.