The Guardian Quietpact® RV generator produces enough power to run two big air conditioners with power to spare. Retrofittable to the Onan® Marquis Gold (same footprint and bolt mounting pattern). U.S.A. Watts: 6,500, Engine Displacement (cc): 530, Fuel Type: Gasoline, Engine: Guardian OVHI, Dimensions L x W x H (in.): 37.7 x 21.5 x 16.8, Average Fuel Consumption at Full Load (gal./hr.): .97, Hertz: 60, Phase: 1, Volts: 120/240, Amps: 54.1, Typical Application: Class A, C and Fifth Wheel applications, Auto Shutdown: Yes Powerful Generac OHVI twin-cylinder engine Great for powering two 13,500 BTU air conditioners with 1500 to 4000 Watts reserve Fully enclosed with mufflers (requires tailpipe Item# 169995, sold separately) Full-pressure lubrication with spin-on oil filter Patented belt-driven system increases starting capability Lower RPM improves fuel efficiency with lower noise levels Optional 30-ft. remote (Item# 167000) available 33.7in.L x 21.5in.W x 18.8in.H