Powerful Engine: 322cc OHV high performance 4 cycle engine This transportable inverter generator has an engine that's fuel-efficient, reliable, powerful providing lengthy life and ideal warmth dissipation High Output + Quiet: 7,600 beginning watts with 6,100 running watts on gasoline and 6,900 starting watts with 5,500 working watts on propane Sound point as low as 62dB Pure Power: 3% THD of unpolluted power output Inverter expertise presents clear secure source of energy for touchy electronics such as, laptops, TV's, cellphone chargers and sensitive power instruments Low Idle Technology + Compact Design: Lightweight for straightforward shipping and mobility with telescoping manage and flat free wheels Extended run time of 10hrs at 25% load with 3 gallon gas tank