Used Newmar RV for Sale- 2008 Newmar Mountain Aire 4529 with 4 slides and 66,031 miles. This RV is approximately 45 feet in length with a Spartan raised rail chassis with tag axle & IFS, Cummins 450HP engine with side radiator, power mirrors with heat, power pedals, 10KW Onan generator with AGS on a power slide, power patio awning, power door awning, window awnings, slide-out room toppers, Oasis water heater system, 50 amp power cord reel, pass-thru storage with side swing baggage doors, exterior freezer, half-length and full length slide-out cargo trays, aluminum wheels, keyless entry, fiberglass roof, 15K lb. hitch, automatic leveling system, 3 camera monitoring systems, exterior entertainment center, Magnum inverter, marble tile floors, central vac, dual pane windows, convection microwave, solid surface counter, 2-door refrigerator/freezer, washer/dryer stack, king size mattress, safe, 3 ducted roof A/Cs with heat pumps and 3 LCD TVs