"This Winco Trifuel Generator runs on gasoline, propane or natural gas and includes a rugged pneumatic wheel kit, making it ideal for emergencies and outdoor projects. U.S.A. Not for sale in California or for export out of U.S.A. Battery Included No, Battery Required Yes, Dimensions L x W x H in. 39.5 x 26 x 26, Engine Honda GX630, Engine Displacement cc 688, Fuel Capacity gal. 15, HP 21, Low Oil Shutdown Yes, Noise Level dB 78, Rated Watts 10,800, Rated Watts LP 9,720, Rated Watts NG 8,640, Receptacles qty. 120/240 Volt NEMA 14-60 A plug and four 20 Amp, 120 Volt outlets, Run Time 8.9 hrs. at full load, Start Type Electric, Surge Watts 12,000, Surge Watts LP 10,800, Surge Watts NG 9,600, Fuel Type Gasoline, natural gas, propane. Delivers clean power with less than 5 THD that allows for safely powering sensitive electronics Hour meter Full wraparound tubular steel cradle Low pressure fuel regulator Rubber isolation mounts Brushless 100 copper windings for longer life and superior motor starting Wheel kit with pneumatic tires EPA-approved"