600HP Supreme Aire — This Coach Is a BEAST!
Published at : 18 Dec 2025
2026 Newmar Supreme Aire 4505
Looking for the most powerful luxury Super C in the industry?
Introducing the 2026 Newmar Supreme Aire 4505, built on the legendary Freightliner Cascadia P126 chassis and powered by the Detroit DD16 producing 600HP and 1,850 lb-ft of torque. This is the highest horsepower Super C engine available — delivering unmatched power, durability, and towing capability.
If you're cross-shopping Super C luxury coaches like Renegade XL, Renegade Explorer, Show Hauler, or Newmar Super Star, the Supreme Aire stands at the absolute top of the segment.
As always, if you're shopping for a luxury motorhome, call Lance Ortega – “The RV Guy” at 208-290-5750.
Transwest Truck Trailer RV – Belton, Missouri
We proudly carry top-tier luxury lines:
Newmar King Aire • Essex • London Aire • Mountain Aire • Dutch Star • Super Star • Supreme Aire • Renegade XL • Veracruz and more.
⭐ 2026 Supreme Aire 4505 Key Highlights
Freightliner Cascadia P126 chassis
Detroit DD16 – 600HP / 1,850 lb-ft of torque
45' length • 101.5" width
30,000 lb towing capacity (BEST IN CLASS)
12.5kW Onan diesel generator
Triple 15,000 BTU A/C units with heat pumps
Hydronic Oasis heating + endless hot water
150 gal fresh water • 75 gal grey • 55 gal black
Residential refrigerator
King bed + rear master bath + mid-ship half bath
Hardwood cabinetry • Tile floors • Premium seating
Freightliner safety suite: adaptive cruise, collision mitigation, lane guidance
🛠 Full Specifications
Chassis & Power
Freightliner Cascadia P126 chassis
Detroit DD16 15.6L
600HP / 1,850 lb-ft torque
Allison 4000 transmission
150-gallon fuel capacity
15-gallon DEF
GVWR 54,000 lbs
GCWR 74,000 lbs
30,000 lb hitch rating
Dimensions
45' exterior length
13’ 4” exterior height
101.5" width
309" wheelbase
84" interior height
Construction
Vacuum-bond laminated sidewalls
One-piece molded fiberglass roof
R-19 roof insulation
Flush-floor hydraulic slideouts
Frameless dual-pane windows
Electrical
6 AGM house batteries (Lithium available)
3,000W inverter
50-amp service
12.5kW diesel generator
Solar prep
Interior Luxury
Hardwood cabinets & doors
Solid-surface counters
True Induction cooktop
Convection microwave
Tile flooring
Stackable washer/dryer
King bed with rear master suite
Cockpit
Heated/cooled captain’s chairs
Digital dash cluster
10" infotainment system
Mobileye collision mitigation
Adaptive cruise control
📞 Interested? Call or Text:
Lance Ortega – “The RV Guy”
📱 208-290-5750
Transwest Truck Trailer RV – Belton, Missouri
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🎵 Music Credits
Invisible Beauty – Aakash Gandhi
Don't Wanna Let Myself Down (Instrumental) – NEFFEX
Music provided by YouTube Audio Library