Newmar's Mountain AireMotorized manufacturer Newmar Inc., Nappanee, Ind., for the 2011 model year has redesigned the luxury Mountain Aire diesel pusher motorhome built on 34,600- or 46,000-pound GVWR Spartan Mountain Master chassis powered by a 425-hp Cummins ISL engine. Available in six 40- to 43-foot floorplans, the redsigned Mountain Aire, introduced last week at the 47th Annual National RV Trade Show, includes new front and rear caps with an integrated spoiler, framless double-pane windows, integrated power awnings, coffered ceilings, halogen lighting porcelain floors, solid-wood hand-glazed cabinets, Mystera countertops and NewPlex multiplex wiring system that includes timed cockpit ceiling lights. MSRP: $406,695.