2026 Newmar Supreme Aire 4129
Class A · Diesel Pusher · 41.92 ft · sleeps 5
Floor plan
Photos of the 2026 Newmar Supreme Aire 4129
Walkthrough video
Video courtesy of Newmar Official on YouTube.
Full specifications
Dimensions
| Length | 41.92 ft |
|---|---|
| Width | 101.5 in |
| Exterior Height | 13.17 ft |
| Interior Height | 83 in |
| Slide-Outs | 4 |
Weights
| Dry Weight | 37,000 lbs |
|---|---|
| GVWR | 41,000 lbs |
| Cargo Capacity | 4,000 lbs |
Drivetrain
| Fuel | Diesel |
|---|---|
| Engine | Detroit Diesel DD13 525 HP |
| Chassis | Freightliner Cascadia 116 |
Living
| Sleeps | 5 |
|---|---|
| Bed Configuration | king |
| Bath Layout | full |
| Bunkhouse | No |
Tanks
| Fresh Water | 150 gal |
|---|---|
| Grey Water | 85 gal |
| Black Water | 52 gal |
| LP / Propane | 0 gal |
Power & Electrical
| Battery Type | lithium |
|---|---|
| Battery Capacity | 800 Ah |
| Solar Prep | Yes |
| Generator | 12500 W |
| Shore Power | 50 A |
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | Yes |
| Residential Fridge | Yes |
| Fireplace | Yes |
| Four-Season | Yes |
| Off-Road Capable | No |
| Washer / Dryer | prep |
Similar Class As to consider
Other class as in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Newmar Supreme Aire 4129 sleep?
The 2026 Newmar Supreme Aire 4129 sleeps 5 and has a king bed configuration.
How much does the 2026 Newmar Supreme Aire 4129 cost?
The manufacturer-suggested retail price (MSRP) for the 2026 Newmar Supreme Aire 4129 is $702,852. Confirm with the manufacturer or dealer for current pricing — actual transaction prices vary.
How long is the 2026 Newmar Supreme Aire 4129?
The 2026 Newmar Supreme Aire 4129 is 41.92 feet long and 13.17 feet tall.
What's the dry weight of the 2026 Newmar Supreme Aire 4129?
The 2026 Newmar Supreme Aire 4129 has a dry weight of 37,000 lbs and a GVWR of 41,000 lbs.
Where can I buy the 2026 Newmar Supreme Aire 4129?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Newmar" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
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