2019 Newmar Mountain Aire 4551 Essex Upgrades! 2019 CLEARANCE!!

New Diesel Pusher in Winter Garden, Florida 34787

Original List Price $651,096.  On Sale Now - Call for Special Pricing!

This brand new 2019 Newmar Mountain Aire 4551 is perfect for coast-to-coast travel.  Marvel at the sandstone castles of Utah’s Bryce Canyon and Zion National Parks.  Adventurers and outdoor enthusiasts will equally admire the custom Rialto Full-Masterpiece exterior finish on this Mountain Aire which is normally reserved for the more expensive Newmar Essex.  The Spartan K3 chassis has the popular swivel tag axle.  The very stout 500 HP diesel engine is paired with an Allison 4000MH six-speed automatic transmission.  Plus, Newmar’s exclusive Comfort Drive Steering System offers driver-friendly features like auto-centering and uneven highway steering compensation.  For added safety, the Onguard Collision Avoidance System is an extra set of eyes for quick and safe braking adjustments.

Interior Luxury Galore
This Mountain Aire has upgrades to the Paloma interior decor including luxury uprades like upgraded Essex flooring with electric radiant heated tile floors, plus upgraded luxury Essex Leather, and upgraded Essex Counter Tops!  The elegant, high gloss Bermuda Glazed Maple hardwood cabinetry adds the proper amount of rich and rewarding design.  A pair of swivel recliners separated by a lamp stand/table are opposite a Dormi 68” sofa suitable for sleeping two.  A 49-inch LED flatscreen color TV rises behind the sofa on a televator power lift.  The master suite offers a king-size Sleep Number Premier mattress with a LED flatscreen color television positioned atop a large six-drawer dresser.

Culinary Chef’s Delight
The galley on this Mountain Aire motorhome features a residential-size Whirlpool refrigerator complete with ice, water and a freezer drawer.  The two-burner True Induction cooktop has the steak in the pan or take this portable appliance outdoors and let the neighbors be jealous of the aroma of a finely cooked Porterhouse!  A microwave/convection oven handles roasting, baking and leftover warm-ups.  Meals are served at the upgraded Euro booth dinette.  Employ the dishwasher in a drawer for simple clean-up.

Power is Plentiful
The 12.5kW Onan diesel generator and the 50 AMP service easily runs the three 15M Penguin air conditioners with heat pumps.  There is also an Oasis Hydronic Zone Heating System which supplements the heat pumps and provides near limitless hot water for extended showering.

Over 30 Optional Upgrades
Learn more about this fantastic Newmar Mountain Aire with over 30 optional upgrades with a retail value of over $50,000.  A quick toll-free call to Independence RV at (844) 335-3010 will put you in touch with a friendly and knowledge sales associate.  Independence RV, located in Winter Garden, FL is one of three U.S. dealers to receive Newmar’s new Diamond Award – acknowledging a greater than 95% customer approval rating for the entire purchase process including sales, service and vehicle delivery presentation. 


  • Appliances
    Convection MicrowaveDishwasherDryerElectric HeatEnclosed Water TankExterior FreezerHeated Water TankHydronic HeatIcemakerResidential RefrigeratorStainless AppliancesStove CoverStove Top BurnerWasher
  • Electrical
    50 Amp ServiceAir ConditioningAuxiliary BatteryBatteriesFantastic FanGeneratorInverterSlide-out Battery TraySolar PanelsSolar Prep
  • Equipment
    AM/FM/CDBackup CameraBluetooth StereoBlu-Ray PlayerGPS NavigationLED HDTVSatellite PreppedSound BarTelevator TVTV Antenna
  • Exterior
    Alloy WheelsAutomatic Leveling JacksBackup MonitorCustom PaintDiamond Shield Paint Protection FilmEgress DoorExterior SpeakersExternal ShowerFiberglass SidewallsFront Fiberglass Cap w/WindowFront Overhead StorageFull Body PaintKeyless EntryOutside Entertainment CenterPass Thru StoragePower AwningPower Entrance StepRoof DeckScreen DoorSecond Roof A/CSide View CamerasSlideoutSlide-out AwningThermal Pane WindowsTinted Windows
  • Interior/Furnishings
    6-Way Power Driver's SeatAir MattressBath & 1/2Built-In SafeCentral VacuumComputer StationDay/Night ShadesEuro BoothGlass Shower DoorHeated FloorKitchen SinkLeather FurnitureMedicine CabinetNon-Smoking UnitOverhead CabinetryPantryPocket Door(s)Power SeatsRecliner(s)Self ContainedShowerSofa BedSolid Surface CountertopsToiletVanity

Seller Info

Independence RV Sales

12705 W. Colonial Drive

Winter Garden, Florida 34787

877-580-2789 Request More Info

Unit Specs

  • In Stock
  • Stock #9733
  • Year2019
  • ManufacturerNewmar
  • Make Newmar
  • Model Mountain Aire
  • Floorplan4551 Essex Upgrades! 2019 CLEARANCE!!
  • Floorplan LayoutBath and a Half
    Front Living Area
    Full Wall Slide
    Mid Kitchen
    Rear Bath
  • Type Diesel Pusher
  • ConditionNew
  • Mileage1,150 miles
  • Length45' 0"
  • VIN000904754
  • MSRP$651,096.00
  • Price Get Price Info
  • ChassisSpartan K-3
  • Engine ManufacturerCummins ISX 500
  • Engine ModelISX 500 Cummins
  • Fuel TypeDiesel
  • Transmission SpecAllison 4000 Series 6-Speed Auto
  • Interior ColorPaloma / Bermuda Glazed Maple HG
  • Exterior ColorCustom Essex Rialto
  • Sleeps4
  • Air Conditioners3
  • A/C Spec15K with Heat Pumps
  • Slideouts3
  • StatusAvailable

Free RV Insurance Quote
Free RV Warranty Quote

Request More Info

Independence RV Sales

12705 W. Colonial Drive
Winter Garden, Florida 34787

Phone: 407-391-1325
Toll-Free: 877-580-2789
Fax: 407-573-0127

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