Unit Specs
- Stock #26-020
- Year2026
- ManufacturerNewmar
- Make Newmar
- ModelMountain Aire
- Floorplan4118
- Floorplan LayoutBath and a Half
- Type Class A
- ConditionNew
- Length41' 0"
- Width8' 6"
- MSRP $942,195.00
- Price Get Price
- Need to know your payment? Use our RV Loan Calculator!
- ChassisSPARTAN
- Engine ManufacturerCUMMINS
- Engine Model525HP ISX
- Fuel TypeDiesel
- Interior ColorSOMENTO INTERIOR DECOR
- Exterior ColorFAIRWEATHER FULL BODY PAIN
- Air Conditioners3
- A/C Spec15000 BTU WITH HEAT PUMP
- Slideouts3
" 2026 NEWMAR MOUNTAIN AIRE 4118 "
2026 MOUNTAIN AIRE AVAILABLE TO VIEW HERE.
- ON ORDER 2026 NEWMAR MOUNTAIN AIRE 4118
- SPARTAN CHASSIS
- 525HP ISX CUMMINS ENGINE
- THREE POWER SLIDEOUTS ONE FULL WALL
- FAIRWEATHER EXTERIOR FULL BODY PAINT
- SOMENTO INTERIOR DECOR
- SEDONA MAPLE-SUEDE FINISH HARDWOOD CABINETS
- BLIND SPOT DETECTION
- DISHWASHER IN A DRAWER WITH STAINLESS STEEL FRONT LOCATED BELOW COOKTOP
- CAMERA REAR (2) PREP FOR USE WITH STACKER TRAILER
- EXTRA MONITOR ON PASSENGER SIDE
- RADIO SIRIUS XM CAPABILITY
- STARLINK INTERNET SYSTEM
- UNIVERSAL TOLL MODULE
- AIR MATTERESS R5 RADIUS CORNER
- THEATER SEATING 84" (POWERED) ILO HIDE-A-BED OFF DOOR SIDE
- TRIFOLD 62" ILO JACK KNIFE-DOOR SIDE SOFA
- LITHIUM ION 640 AHR BATTERY SYSTEM WITH 2 3,000 WATT PURE SINE INVERTERS
- SOLAR PANELS 4 FLEXIBLE 120 WATT ON ROOF
- FLAG POLE BRACKET
- STAINLESS STEAL TRIM KIT FOR EXTERIOR COMPARTMENT DOORS
- STORAGE TRAY 40X90 POWER BAY 2
- STORAGE TRAY 42X91 NON-POWER BAY 2
- STORAGE TRAY 43X56 NON-POWER BAY 3
- ASSIST HANDLE IN SHOWER
- RV SANICON TURBO SYSTEM
2026 Newmar Mountain Aire 4118 Features
-
Interior/Furnishings
Bath & 1/2
2026 Newmar Mountain Aire 4118 Specifications
MSRP
$877,196
Height
13' 2"
Height (interior)
6' 11"
Length
41' 10"
Width
8' 5"
Dry Weight
42,500 lbs
GVWR
54,000 lbs
Payload Capacity
11,500 lbs
Fuel Capacity
150 gal
Refrigerator Capacity
19.7 cu ft
Sleep Capacity
8
Water Capacity - Black
60 gal
Water Capacity - Fresh
105 gal
Water Capacity - Grey
80 gal
Engine Manufacturer
Cummins
Engine Model
Cummins 11.9L, 525HP, 1,695lb-ft torque
Fuel Type
Diesel
Transmission Spec
Allison 6-speed 4000MH
# Awnings
1
# Axles
3
# Doors
1
# Slides
3
Chassis
SpartanK3 tag-axle
# A/C
3
A/C Spec
15K BTU Penguin™ Heat Pump Central Air Conditioners
2026 Newmar Mountain Aire 4118 Literature
Unit Specs
- Stock #26-020
- Year2026
- ManufacturerNewmar
- Make Newmar
- ModelMountain Aire
- Floorplan4118
- Floorplan LayoutBath and a Half
- Type Class A
- ConditionNew
- Length41' 0"
- Width8' 6"
- MSRP $942,195.00
- Price Get Price
- Need to know your payment? Use our RV Loan Calculator!
- ChassisSPARTAN
- Engine ManufacturerCUMMINS
- Engine Model525HP ISX
- Fuel TypeDiesel
- Interior ColorSOMENTO INTERIOR DECOR
- Exterior ColorFAIRWEATHER FULL BODY PAIN
- Air Conditioners3
- A/C Spec15000 BTU WITH HEAT PUMP
- Slideouts3
Email Seller
Request More Info on this 2026 Newmar Mountain Aire 4118 Offered for sale by Steinbring Motorcoach
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