Newmar Mountain Aire Class A diesel motorhome 4551 highlights: Factory Brochure: 2020-mountain-aire-brochure-combo-new.pdf • Spartan K3 Tag Axle 500 Hp w/ Allison 400 transmission. • Full-Paint Masterpiece Finish™ w/ Cut & Buff and Nano Shield Protection on Front Cap • Air Leveling System • 12.5 kW Cummins Onan® Diesel Generator • 2-Roof Mounted Solar Panels • 10 Watt Solar Panel to Charge Chassis Battery • 3000 Watt True Sine Inverter • Demand Water System • Bath and a half • Aqua Miser Shower System & Large Tiled Shower Walls with Glass Door. • Bermuda Glazed Maple Hardwood Cabinets w/ Raised Panel Doors with Matte Finish • Kitchen w/ Stainless Steel 30″ Convection Microwave, Dishwasher, Two-Burner Cooktop, & Whirlpool® 19.7 Refrigerator. • Outside TV There is plenty of entertainment for everyone with this Mountain Aire diesel motorhome! From the three Samsung LED TV’s throughout, the Boss 300 Sound Touch sound bar, and the JBL slimline subwoofer to the optional exterior entertainment center and satellite dish prep on the roof. After you have grabbed your favorite snack from the large pantry and favorite drink from the Whirlpool 19.7 cu. ft. refrigerator, you can head outdoors and enjoy some fresh air while you relax underneath one of the two Nova side awnings or stay inside and relax on either the 87″ chaise lounge or the 68″ Dormi sofa. You might even like to add a few options to customize your RV to enhance the already luxurious and comfortable coach. You will be creating your own classic beauty when you select Newmar’s Mountain Aire Class A diesel motorhome for your traveling home. This luxury coach tells the world that you have arrived, and you have impeccable taste! Powered by a 500 Hp Cummins® engine atop a Freightliner or Spartan chassis you can go just about anywhere. They are also built on an ultra-durable STAR foundation for a quieter ride and come standard with the Comfort Drive adaptive steering with Passive Steer technology. Inside each model you will find an impressive living space including fantastic entertainment features like a retractable Samsung 50″ 4K LED TV, a Bose 300 SoundTouch soundbar, and a Sony Blue-ray player. You will also love the appealing refreshed tile floor with radiant electric heat, and the elegant decorative touch of the designer feature ceiling. It’s time you do traveling the right way with one of these Mountain Aire Class A diesel motorhomes!
2021
Newmar Mountain Aire 4551
$374,399
Condition: Used
Stock Number: 54A
Miles: 53,500
Visit Our Location
3032 E. Main Street,
Mesa, AZ 85213
Overview & Specs
View Additional Specifications
Length
44' 10"
Width
8' 6"
Height
13" 2"
Engine Model
500 Hp Cummins®
Sleeps
4
Fresh Water
105
Black Water
45
Slide Outs
4
Description
Additional Specifications
| General | |
|---|---|
| Manufacturer | Newmar |
| Model | Mountain Aire 4551 |
| Year | 2020 |
| Category | RV – Class A |
| Subcategory | Diesel Pusher |
| Condition | Used |
| Stock Number | 54A |
| Miles | 53500 |
| Operational | |
|---|---|
| Air Conditioning Bt Us | 45000 |
| Air Conditioning Type | Automatic |
| Fuel Capacity Gal | 150 |
| Fuel Capacity L | 567.8 |
| Number Of Black Water Holding Tanks | 1 |
| Number Of Fresh Water Holding Tanks | 1 |
| Number Of Gray Water Holding Tanks | 1 |
| Number Of Propane Tanks | 1 |
| Total Black Water Tank Capacity Gal | 45 |
| Total Black Water Tank Capacity L | 170.3 |
| Total Fresh Water Tank Capacity Gal | 105 |
| Total Fresh Water Tank Capacity L | 397.5 |
| Total Gray Water Tank Capacity Gal | 65 |
| Total Gray Water Tank Capacity L | 246.1 |
| Total Propane Tank Capacity Gal | 22 |
| Total Propane Tank Capacity Lbs | 93.3 |
| Water Heater Pump Power Mode | Propane |
| Water Heater Tank Bypass | No |
| Measurements | |
|---|---|
| Height In | 158 |
| Height Mm | 4013.2 |
| Interior Height In | 83 |
| Interior Height Mm | 2108.2 |
| Length Ft | 44.83 |
| Length Ft Ft | 44 |
| Length Ft In | 10 |
| Length In | 538 |
| Length M | 13.7 |
| Length Mm | 13700 |
| Number Of Awnings | 2 |
| Power Retractable Awning | Yes |
| Screened Room | No |
| Wheelbase In | 246 |
| Wheelbase Mm | 6248.4 |
| Width In | 101.5 |
| Width Mm | 2578.1 |
| Engine Drivetrain | |
|---|---|
| Fuel Type | Diesel |
| Engine Make | Cummins |
| Horsepower | 500 |
| Body | |
|---|---|
| Interior Colors | Brown, Grey |
| Sleeping Capacity | 4 |
| No Of Slide Outs | 4 |
| Chassis Model | Spartan K3 |
| Exterior Colors | Grey, Burgandy |
| Front Tire Aspect Ratio | 70 |
| Front Tire Full Spec | Michelin® XZA: 365/70R 22.5 |
| Front Tire Width | 365 |
| Front Wheel Diameter | 22.5 |
| Front Wheel Width In | 9 |
| Number Of Axles | 2 |
| Number Of Rows | 1 |
| Number Of Seats | 2 |
| Power Adjustable Seat | Yes |
| Rear Tire Aspect Ratio | 80 |
| Rear Tire Full Spec | Michelin® X Line Energy Z: 315/80R 22.5 |
| Rear Tire Width | 315 |
| Rear Wheel Diameter | 22.5 |
| Rear Wheel Width In | 9 |
| Reclining Seats | Yes |
| Seat Armrests | Yes |
| Seat Material | Leather |
| Seat Type | Bucket |
| Swivel Seats | Yes |
| Tire Brand | Michelin® |
| Wheels Composition | Aluminum |
| Weights | |
|---|---|
| Dry Weight Kg | 20865.6 |
| Dry Weight Lbs | 46000 |
| G Vwr Kgs | 24494.4 |
| G Vwr Lbs | 54000 |
| Payload Capacity Kgs | 3628.8 |
| Payload Capacity Lbs | 8000 |
| Rear Hitch Type | Receiver |
| Size Cm | 5.1 |
| Size In | 2 |
| Tongue Weight Kgs | 680.4 |
| Tongue Weight Lbs | 1500 |
| Towing Capacity Kgs | 6804 |
| Towing Capacity Lbs | 15000 |