This 2005 Newmar Mountain Aire, model 4303, is powered by a Cummins 400 hp ISL 8.9L diesel engine on a Spartan Mountain Master tag axle chassis. It has a 7.5 KW Onan Quiet Diesel Generator. This well-cared for motorcoach has too many options to list. New Michelin tires in 2023 with less than 1,500 miles. This two-owner motorcoach has always been garaged and is in good condition. It is truly a home on wheels. Four slides create a lot of living space with all the entertainment and comfort features of home.