2013 Newmar King Aire 4584 is the standard for luxuary and performance. Bulit on a K-3 Spartan chassis with a ISX 600 15 liter Cummins. Then you add Newmars Comfort Drive the combination makes for one of the best driving coaches ever produced. One owner bought new in Junction City Ore. always garaged and serviced as needed. I have included the original bulid sheet which should answer most questions. But please call for any infomation you may need. Dont miss out on an extermely nice hard to find coach. Will consider any trade please call for info