The quietest generator in its class with exceptionally low vibration levels. The gasoline-powered Onan QG 5500 Generator is designed for towable applications where the generator is required to burn the evaporate vapors from the carbon canister (sold separately). The generator is an integrated design with enclosed spark-arrester muffler for easy installation. Self-diagnostic capability simplifies troubleshooting. Digital voltage regulation for stability as appliance loads change. The engine is a 4-cycle, 90 degree V-Twin cylinders, overhead valve with an electric fuel pump and centrifugal blower cooling. This generator can be started from the inside comfort of your RV with the optional remote control panel. Typical applications include SUTs with two air conditioners. Electronic ignition and low oil pressure shutdown Average fuel consumption is 0.6 gph at 1/2 load Listed per ANSI/RVIA EGS-1 and CSA certified | Cummins Onan QG 5500 EVAP Generator (5.5HGJAB-6755)