2004 Newmar Mountain Aire MADP4018 (#P1259)

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King Bed, 400 Cummins, Jake Brake
This Newmar Mountain Aire Motorhome is built to take you as far as your road rolls on…for as long as you roll on with it. Because there’s more than enough solid engineering here to ensure years of travel pleasure. It also embodies Newmar’s long history of product innovation and industry “firsts.” This is an excellent way to enter the "Highline" club and retain enough of your savings to travel.


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  • General Specifications
Stock # :
Stock Year:
Mountain Aire
Class A
63,891 Miles
Cummins ISL 400 HP
Allison MH 3000 6 spd
40' 6"
Fuel Type:
Power Tech 8 KW Diesel
Generator hours:
Interior color:
Exterior color:

Equipment by categories

Drivetrain & Chassis

  • 295/80 R22.5 Tires
  • Two Stage Engine Jake Brake
  • Daytime Headlight System
  • Adjustable Accelerator and Brake Pedals
  • Fuel Capacity 150 Gal.
  • Automatic Front Wheel Balancers
  • Air Ride Suspension
  • Automatic Hydraulic Leveling System
  • Full Width Rear Mud Flap
  • "Smart" Steering Wheel
  • Air Brakes
  • Air Horns
  • Four 6 V House Batteries on Pullout Tray
  • Tow Bar
  • Polished Aluminum Wheels
  • GVWR 34,000 Lb.
  • Automatic Air Dryer
  • Trailer Hitch 10,000 Lb Capacity
  • Tow Car Air Connection


  • RS Living Room Slide 13' 7" X 32"
  • Exterior Convenience Wash Station with Hot/Cold Water, Soap Dispenser and Towel Dispenser
  • Automatic Patio Awning
  • Slide Room Topper Awnings
  • Gray Water Capacity 65 Gal.
  • Automatic Entry Door Awning
  • Fully Painted Exterior Graphics with Clearcoat Finish
  • Automatic-Rewind Water-Hose Reel
  • Automatic Double-Entrance Door Step
  • Driver’s-Side Power Window
  • Fresh water capacity 105 gal
  • Exterior Height 12' 3"
  • Convex Exterior Chrome Mirrors with Remote Control, Defrost and Turn-Signal Indicators
  • RS Bed Room Bed Slide 7' 8" X 24"
  • Sewage Holding-Tank Rinse
  • Window Awnings
  • Power-Rewind Cord Reel
  • L.P. Capacity 32 Gal.
  • Driving Lights
  • One-Piece Molded-Fiberglass Roof/Wrap
  • Double-Pane Tinted Safety-Glass Windows
  • Fan-Tastic® Vent with Rain Sensor in Kitchen and Bathroom
  • Exterior Security Lights,
  • Waste Water Capacity 45 Gal.
  • Heated Bay For Tanks
  • 2 Cargo Trays

Interior Cabinetry and Decor

  • Fiberglass Shower with Glass Shower Door
  • Ceramic Floor Tile in Entry, Kitchen, and Bath Areas
  • RS Leather Magic-Bed Sleeper Sofa
  • Lined Day/Night Pleated Window Shades and Lambrequins
  • 72" X 80" King Cross Island Bed
  • CS Leather Euro Recliner
  • Corian® Countertop in Kitchen with Integrated Sink Bowls and Flush Sink Covers
  • Solid Cherry Hardwood Cabinets
  • Power-Activated Sun Shades on Driver and Passenger Side Windows
  • RS Dining Table & Chairs
  • Padded Vinyl Ceiling
  • Oversized Passenger Front Seat with Power Footrest
  • 2 Additional Fold-Up Dining Chairs
  • Sculptured Carpeting in Living Area


  • Navigation System Displayed on Rearview Monitor Screen
  • Mood Lights Recessed in Ceiling
  • Trip Tek Electronic Travel Information
  • Trace® 2,000-watt Inverter
  • Automatic Change-Over Shore To Generator
  • 5-Watt Solar Panel to Charge Chassis Battery
  • Back-up Camera
  • CB Radio
  • Automatic Generator Start
  • 50-Amp Electrical Service with Flexible Cord

Living Systems

  • Thetford® Aria Sculputured China Stool
  • Lights in Exterior Storage Compartments
  • Hydro-Hot Hydronic Heat & Domestic Water Heat
  • Combo Washer/Dryer
  • 2 Ducted 13,500 BTU Roof A/C's
  • Water Filter with Drink Dispenser at Kitchen Sink
  • Convection/Microwave Oven
  • Norcold® Four-Door Refrigerator with Icemaker
  • Three-Burner Recessed Cooktop with Electronic Ignition


  • AM/FM/XM Satelitte Radio and Color Monitor with Remote Six-Disc CD Player and Combination Rearview Color Monitor System
  • Bose® 3-2-1 System, DVD/CD Player and Subwoofer
  • Bed Room TV 20" Sony
  • VCR
  • Living Room TV 31" Flatscreen
  • 6 Disc CD Loader

Contact Our Sales Reps

Mel Cordray

Jeff Bowser

Mike Phillips

Mike Martinkus.

Sara Douglas

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