Cummins Onan QG 2800i RV Gasoline Generator - 2.8HGLAA-8311, 2.8 kW PrimeCummins Onan QG 2800i RV Gasoline Generator 2. 8HGLAA 8311, 2. 8 kW Prime, Single Phase, 120 Volt, Air Cooled, EVAP Computer controlled variable speed operation matches engine speed to load demand, minimizing noise level and vibration. No fuel return line necessary EVAP model for specialized applications High power quality with inverted electrical output for sensitive RV loads. J1939 communications capable Increased oil capacity, reduced oil