"This Generac QuietSource Series Standby Generator is ideal for applications that require ultra-quiet operation and exceptional fuel economy. Achieves greater power output with less effort, resulting in significantly reduced fuel consumption both during exercise and under full load. Features aluminum enclosures for extra corrosion protection in coastal areas. Runs on natural gas or LP gas. UL listed. RTS transfer switch sold separately. U.S.A. Battery Required Yes, Enclosure Aluminum, Auto Shutdown Yes, Battery Included No, Mounting Pad No, Noise Level dB 70, Phase 3, Start Type Automatic, Transfer Switch Not included, UL Listed Yes, Dimensions L x W x H in. 62 1/4 x 29 x 33 1/2, Fuel Type LP or NG, Amps 112.5 NG/104.2 LP, Engine Liquid-cooled, 4-cylinder, in-line, Engine Displacement cc 2,400, Engine Speed RPM 1,800, Rated Watts LP kW 27, Rated Watts NG kW 25, Volts 120/208, Rated Watts kW 27 LP/25 NG. 27 kW liquid propane 25 kW natural gas Aluminum, corrosion-resistant enclosure Gray Quiet-Test feature for near-silent operation during self-testing 50 quieter than competitive models Generac industrial liquid-cooled in-line 4-cycle engine Automatic safety shutdowns and exerciser CARB compliant Standby generators require installation involving permanent outdoor placement, electrical wiring and fuel source connections. We recommend the use of a trained professional for final connections of gas and electric. Due to size of this generator, a crane or forklift is required for unloading."
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