Newmar Mountain Aire Motor Home Class A - Diesel

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Newmar rises above the rest with this Mountian Aire Class A diesel motorhome! You can make yourself right at home in the beautiful outdoors with features like the Girard Nova side awnings, the keyless entry and touchpad for extra convenience, and the Wi-Fi signal booster for you to stream shows and movies from just about anywhere. Drive confidently knowing you will reach your destination with no navigational problems thanks to the dual 10" monitors displaying the Rand McNally navigation, the 360-degree camera system with predictive gridlines, and you can even add an additional passenger side navigation monitor!


Along the exterior you will find even more features to love like the Dometic freezer on a pullout tray inside the lighted exterior baggage compartment and the optional outdoor entertainment center for you to watch the big game or movie at night outside. With three 13M Penguin heat pump central air conditioners, you can be sure to stay cool where ever your next adventure takes you.


Rise to the occasion in one of these Newmar Mountain Aire Class A diesel motorhomes today!

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Motor Home Class A - Diesel

  1. Bath and a Half, Rear Bath
    • Length: 40 ft 10 in
    • Weight: 44100 lbs
    • Slides: 3
    • Sleeps: 6

    1 Available Now!

  2. Bath and a Half, Rear Bath
    • Length: 40 ft 10 in
    • Weight: 43500 lbs
    • Slides: 3
    • Sleeps: 5

    1 Available Now!

  3. Floorplan - 2017 Newmar Mountain Aire 4533
    Bath and a Half, Rear Bath
    • Length: 44 ft 10 in
    • Weight: 45500 lbs
    • Slides: 3
    • Sleeps: 5
  4. Bath and a Half, Rear Bath
    • Length: 44 ft 10 in
    • Weight: 45700 lbs
    • Slides: 3
    • Sleeps: 6
  5. Bath and a Half, Rear Bath
    • Length: 44 ft 10 in
    • Weight: 46200 lbs
    • Slides: 3
    • Sleeps: 6
  6. Floorplan - 2017 Newmar Mountain Aire 4533
    Bath and a Half, Rear Bath
    • Length: 44 ft 10 in
    • Weight: 46000 lbs
    • Slides: 3
    • Sleeps: 5

    2 Available Now!

  7. Walk-Thru Bath, Rear Bedroom
    • Length: 44 ft 10 in
    • Weight: 45200 lbs
    • Slides: 4
    • Sleeps: 5
  8. Bath and a Half, Rear Bath
    • Length: 44 ft 10 in
    • Weight: 45400 lbs
    • Slides: 3
    • Sleeps: 5
  9. Bath and a Half, Rear Bath
    • Length: 44 ft 10 in
    • Weight: 46000 lbs
    • Slides: 3
    • Sleeps: 6
Showing 1 - 9 of 9
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Mountain Aire Features:

Standard Features (2020)



  • Full-Paint Masterpiece Finish™ with Cut & Buff and Nano Shield Protection on Front Cap
  • Chrome Power Baggage Door Locks, Keyless Entry Door with Touch Pad & Door Bell
  • Convex Exterior Mirrors with Remote Control, Defrost, Turn Signals and Side View Cameras
  • Chrome Exterior Baggage Door Handles
  • Entrance Door with Automatic Step
  • Rear Hitch for Towing Car
  • Assist Handle at Entrance Door
  • Mud Flaps
  • Rear Protective Tow Guard with Stainless Steel Newmar Letters
  • Undercoating
  • Hydraulic Leveling Jacks
  • Stainless Steel Exterior Trim Pieces and Entrance Door Kick Panel
  • Hammock Backer
  • Storage Bins in Pegboard Compartment


  • Patio Hammock Package
  • Large Storage Tray with Access from One Side
  • Pass-Through Storage Tray with Access from Either Side
  • Power Pass-Through Storage Tray with Access from Either Side
  • Stainless Steel Trim Kit for Exterior Compartment Doors
  • Flag Pole Bracket


  • Fiberglass Roof and Intergrated Gutter Rail
  • Gelcoated Fiberglass Exterior Sidewalls, Front and Rear Caps
  • Aluminum-Frame Sidewalls & Roof Construction, 16" on Center
  • 5/8" Foam Insulation Laminated in Sidewalls & Ceiling
  • Polar Pak R19 Batten Insulation on Roof
  • Automatic Mechanical Lock Arms on Non Hydraulic Slideout Rooms-Paddle Style


  • Spartan K3 Tag Axle 500 Hp on 40’ Floorplans
  • Freightliner®, Tag Axle, 500Hp, 45' Mountain Aire
  • Air Leveling System
  • Aluminum Wheels
  • Electronic Chassis Information Center in Dash
  • Electronic Stability Control
  • Cruise Control
  • Comfort Drive™ Steering with Power Column &Adjustable Control
  • Recessed Fuel Fills with Crossover to Fill from Either Side
  • Back-Up Alarm
  • AntiLock Braking System
  • Chassis Battery Disconnect
  • Automatic Headlights ON/OFF
  • Push Button Engine Start
  • Glass Dash Instrumental Panel
  • OnGuard Collision Mitigation Adaptive Cruise System with Adj. Following Distance Control on Freightliner or Spartan Chassis
  • Tire Pressure Monitoring on Tag Axle Chassis


  • Spartan® K3, Tag Axle, 500Hp, 45’ Mountain Aire
  • Curt Spectrum Integrated Brake Control
  • Mechanical and Electrical

Windows, Awnings, and Vents

  • Frameless Double-Pane Tinted Safety-Glass Windows
  • Fantastic® Vent with Rain Sensor in Kitchen and Bathroom
  • Hardwood Louvered Cover on Fantastic® Vent in Kitchen
  • Skylight Above Shower*
  • Girard Package-Two Nova Side Awnings, Slideout Covers, Entrance Door & Power Window Awnings
  • One Piece Tinted Windshield
  • Egress Door with Ladder System
  • Driver Side Power Window


  • Bunk Windows
  • Kitchen Window

Air Conditioning and Heating

  • Three 15M Penguin™ Heat Pump Central Air Conditioners with Remote Control Thermostat
  • Hydronic Zone Diesel Heat with Continuous Hot Water
  • Dash Heater and Air Conditioner
  • Driver & Passenger Dash Overhead Ventilation System
  • Wall Mounted Sensors for Heating and Air Conditioning
  • Roof Air Conditioning Drainage System
  • Electric Radiant Heat Installed Below Main Floor Tile


  • 12.5 Kw Cummins Onan® Diesel Generator
  • 50 Amp Electrical Service with Flexible Cord with Automatic Transfer Switch
  • Six 6-Volt House Batteries
  • Battery Disconnect Switch for House Battery
  • 10 Watt Solar Panel to Charge Chassis Battery
  • 3000 Watt True Sine Inverter
  • 12 Volt Auxiliary Receptacle on Dashboard
  • Emergency Engine Start Switch
  • Engine Block Heater
  • Energy Management System
  • Exterior Security Lights
  • Mid-ship Side Turn Signals
  • LED Lights Recessed in Ceiling and Underneath Overhead Cabinets
  • Accent Lights in Feature Ceiling, Slideout Fascia Trim, Lambrequins, Kitchen, & Bed Base
  • LED Lighting in Pull Out Pantry, Kitchen and Bathroom Base Cabinets
  • LED Lights in Exterior Storage Compartments on Automatic Switches
  • LED Lights Installed Under Door Side Slideouts
  • Lights in Wardrobes
  • Manually Operated Hold-To-Run Slideout Switch
  • Automatic Generator Start on Low Battery or Temperature Setting
  • Cable TV Connection
  • Interior Courtesy Lights
  • USB Charger at Dinette & Bedroom Night Stand
  • USB Outlet at for Driver Use
  • Power Rewind Wheel with 50’ Cord*
  • Recessed Docking Lights
  • KIB Touch Screen Interior Light and Shade Controls
  • Secondary Multiple Touch Screen in Bedroom
  • Silverleaf® Multiplex Electrical Wiring System
  • Solar Prep with Six Gauge Wire from Roof to House Battery
  • Spare Fuses in Chassis and House Fuse Panels
  • Wireless Phone Charger Pad in Driver Area
  • Wireless Charging Mat Built into Passenger Console
  • 110 Volt Recept in Bed Overhead with Two Pass Through Ports
  • 110 Volt/USB Outlet at Head of Each Bunk*
  • Dimmable with Adjustable Aim Reading Lights at Head of Bed
  • Transfer Switch with Surge Protector


  • LED Strip Lighting Installed Under Off Door Side Slideouts
  • Four Flexible 100 Watt Solar Panels on Roof


  • Demand Water System
  • Sewage Holding-Tank Rinse
  • Dometic® 321 China Bowl Stool or Macerator Stool*
  • Aqua Miser Shower System
  • Tiled Shower Walls with Glass Door
  • Soap Dispenser in Shower
  • Fold-Down Shower Seat
  • Water Filter for Entire Unit
  • Exterior Shower
  • Auto Fill for Fresh Water Tank
  • Power Water Hose Reel
  • Hot Water Line to Generator Area*


  • Assist Handle in Shower
  • RV Sanicon Turbo System


  • Designer Feature Ceiling and Cathedral Ceiling with Added Height on Rear Bath Floor Plans*
  • Tile Floor in Kitchen, Bathroom, Bedroom and Living Area
  • AutoMotion Power Shades and Lambrequins
  • AutoMotion Power Shades for Windshield and Driver/Passenger Side Windows
  • Hardwood Window Sills
  • Hardwood Raised Panel Interior Passage Doors
  • Flush Handles on Swinging Bath Doors
  • Interior Assist Handle at Main Entry Door
  • Quilted Bedspread with Accent Pillow
  • Safe Located in Bedroom Wardrobe
  • Wastebasket in kitchen Base Under Sink
  • Maximized Shoe Storage Shelves Recessed in Rear of Wardrobe

Cabinets and Furniture

  • Bermuda Glazed Maple Hardwood Cabinets with Raised Panel Doors with Matte Finish
  • Concealed Hinges on Cabinet Doors
  • Super Polished Solid Surface Countertop in Kitchen with Under Mounted Stainless Steel Sink and Sink Covers
  • Lifts on Bed Top
  • Passenger Seat Work Station
  • Super Polished Solid Surface Countertop in Bathroom and Bedroom
  • Pull-Out Pantry Shelves with Travel Latch*
  • Soft Close Cabinet Doors (Side Hinge Doors Only)
  • Drawers with Dovetail Sides with Self Closing Full Extension Ball Bearing Guides
  • Villa Ultraleather Sofa and Driver/Passenger Seats
  • Heated Front Seats with Power-Lumbar, Recline, Footrest & Queen Sized Passenger Seat
  • Plush Pillow Top Mattress
  • Cedar Paneling in Bedroom Wardrobe
  • Extended Rotation Concealed Hinge for Washer/Dryer Cabinet Door
  • Side Folding Hide-A-Bed Sofa with Gel Mattress*
  • Chaise Lounge-Off Door Side, Dormi Sofa-Door Side*
  • Chaise Lounge-Off Door Side, Hide-A-Bed Sofa-Door Side*
  • Full Height Wardrobes Beside Lav*
  • Mesh Cell Phone Holder at Each Bunk Bed*
  • Molded Silverware Divider Tray


  • Carmel Glazed Cherry Hardwood Cabinets with Raised Panel Doors with Matte or High Gloss Finish
  • Bermuda Glazed Hardwood Cabinets with Raised Panel Doors-High Gloss
  • Wicker Glazed Maple Cabinets with Raised Panel Doors-High Gloss or Matte Finish
  • Sable Maple Hardwood Cabinets with Raised Panel Doors-High Gloss Or Matte Finish
  • Dinette with Roll Away Table
  • Buffet/Dinette with Roll Away Table, Two Fixed/Two Folding Chairs
  • Sleep Number R5 Radius Corner Air Mattress
  • Power Extenda Flex Dinette
  • Buffet Dinette
  • Combination Desk/Dinette with Roll Away Table, Two Fixed/Two Folding Chairs
  • Combination Desk/Dinette with Buffet Table, Two Fixed/Two Folding Chairs
  • Door Side Fireplace with 50” 4K TV on Televator in Place of Sofa
  • Power Incline Retracting Bed Base with Sleep Number R5 Air Mattress
  • Power Incline Head of Bed with Sleep Number R5 Air Mattress
  • Euro Booth Dinette and Two Folding Chairs
  • Two Recliners with Lampstand and Reading Lights
  • 74” Hide-A-Bed with Two Ottomans and Jack Knife Sofa with Power Foot Rests
  • 84” Hide-A-Bed with Two Ottomans and jack Knife Sofa
  • 87” Power Extenda L with Chaise Lounge
  • 87” Side Folding Hide-A-Bed with Two Ottomans and Jack Knife Sofa
  • Chaise Lounge/Euro Booth Dinette Ensemble with Two Table Leaves & Two Folding Chairs
  • Fireplace with 50” 4K TV on Lift
  • Powered Theater Seating 87” with Reading Lights and Lighted Cup Holders


  • Stainless Steel 30” Convection Microwave with Recessed Two Burner Cooktop
  • Air Horns
  • Whirlpool® 19.7 Refrigerator
  • Splendid Two-Piece Stacked Washer/Dryer
  • Dometic 3.77 Cf Freezer on Pullout Tray in Exterior Baggage Compartment
  • Flush Gas Cooktop Cover of Matching Countertop Material
  • Fireplace in Living Area*
  • Central Vacuum with Tool Kit


  • All Electric Recessed Mount Induction Cooktop and 8 AGM Batteries
  • Dishwasher in Drawer with Stainless Steel Front


  • Samsung LED TV and Sony® Blu-Ray Disc Player in Living and Bedroom Areas* (TV Sizes Vary Per Floorplan)
  • Samsung 43” 4K LED TV in Front Overhead
  • Samsung 50” 4K LED TV on Televator in Living Area*
  • Bose® 300 Sound Touch Sound Bar
  • Xite Dash Radio, 10” Dual Monitor with Rand McNally Navigation
  • Xite HD 360 Camera System with Predictive Grid Lines and Tri-View Rear Camera
  • Rearview Color Monitor System with Audio
  • Winegard Rayzar Automatic Digital TV Antenna
  • Satellite Dish Prep on Roof
  • Two Bedroom Radio Speakers
  • TV Jack and 110 Volt Recept in Door Side Exterior Storage Compartment
  • Cat 6 TV Cables
  • Infrared Repeater System to Operate Audio/Visual Components
  • WiFiRanger Skypro Pack Router
  • 10 Bc Fire Extinguisher, Smoke Detector, Propane and Carbon Monoxide Detector
  • JBL Slimline Subwoofer
  • Remote Navigation Programming via SD Card


  • Sirius Satellite Radio Capability (Does not include monthly subscription)
  • Exterior Entertainment Center in Sidewall with Samsung 43” 4K LED TV and Soundbar
  • Exterior Entertainment Center in Storage Compartment with Samsung 43” 4K LED TV & Soundbar
  • Winegard Automatic In Motion Dome Satellite Dish
  • Winegard Automatic Open Face Satellite Dish
  • Winegard Automatic Open Face Swm Satellite Dish
  • Winegard Cellular In Motion Wifi
  • Two-19” Skyworth TV/DVD Monitors at each Bunk*
  • Extra Monitor on Passenger Side
  • Rear Camera (2) Prep for Use with Stacker Trailer
  • WifiRanger Skypro Lte Cellular Router
  • Universal Toll Module

See us for a complete list of features and available options!

All standard features and specifications are subject to change.


Newmar is a company built around the Christian faith, specifically the beginning of the Mennonite faith in 1525 under the guidance of Ulrich Zwingli, and the founding of the Amish fellowship under Jacob Amman in 1693.


At Newmar, we believe that a motor coach is more than just a vehicle, it’s a passport to countless hours of fun and a lifelong memories taken from quality time spent with family and friends.


For over 50 years, we’ve applied our principles to the creation of motor coaches that have allowed people all over the world to live the RV lifestyle. And we’ll continue to so for countless generations to come. It’s why we take pride in every rivet, weld, and mechanical function.