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Champion 4,000W Super Quiet Portable Dual Fuel Gas Inverter Generator, CO Sensor
Just add oil (included 10W-30), and operate your Dual-Fuel generator right out of the box on gasoline or propane, and easily switch fuels with the EZ Start dial. When the 1.54-gallon tank of gasoline is full, the 149cc Champion engine produces 4000 starting watts and 3000 running watts and will run for up to 10 hours at 25% load.