NorthStar Trifuel Generator packs 8000 surge watts and 6600 continuous watts! Switches effortlessly from gasoline to dry fuel without powering off and starts fast and easy in all weather. Cast iron sleeve. Rubber isolation mounts dampen vibration for smooth operation. Easy access control and outlet panel. Control panel has "push to reset" circuit breakers. Long-term storage fuel-drain valve quickly drains fuel for storage.Engine Honda GX 390 OHV HP 13 Engine Displacement (cc) 389 / 23.7 cu.in. Gross Torque 20 ft-lb at 2,500 rpm Rated Watts 6,600 Rated Watts LP 6,200 Rated Watts NG 5,200 Surge Watts 8,000 Surge Watts LP 7,200 Surge Watts NG 6,400 Run Time 9 Hours at 1/2 Load Receptacles (qty.) 5 Noise Level (dB) 74.5 Fuel Type Gasoline, Propane, or Natural Gas Fuel Capacity (gal.) 6.5 Start Type Electric and recoil Low Oil Shutdown Yes Battery Required Yes Battery Included No Dimensions L x W x H (in.) 31 x 23 x 22