5.5KW Cummins RV QG 5500 EVAP 5.5HGJAB-6755 46A Gasoline Quietest in its class. Exceptionally low vibration levels. Integrated design with enclosed muffler for easy installation. Self-diagnostic capability to simplify troubleshooting. Runs one or two air conditioners with power to spare. Digital voltage regulation for stability as appliance loads change.