Newmar · Class A · 3823
2026 Newmar Mountain Aire · 3823
Floor plan 3823 as listed on Newmar's 2026 Mountain Aire floor plan page.
Fact-checked. An independent reviewer checked this page against its cited sources.
- Price when new
- $871,424
- Length
- 38.83 ft
- Chassis
- Spartan K3 (tag axle)
- Engine
- Cummins X · 525 hp
About the price: Starting price on the floor plan card for 3823 on Newmar's 2026 Mountain Aire page, read October 5, 2026. The page heading shows a lower figure, $861,212.
These values describe this model year and configuration. An individual coach can differ, so check it against the coach’s own records. “Not documented” means the encyclopedia does not have that fact yet.
Full specifications
- Model year
- 2026
- Variant
- 3823
- Chassis maker
- Spartan
- Chassis
- K3 (tag axle)
- Engine maker
- Cummins
- Engine
- X
- Displacement (L)
- 11.9
- Horsepower
- 525
- Torque (lb-ft)
- 1695
- Transmission
- Allison 4000 MH, 6-speed
- Length (ft)
- 38.83
- Height (ft)
- 13.17
- Width (in)
- 101.5
- Slides
- 4
- Floorplan
- 3823
- Generator maker
- Not documented
- Generator
- Not documented
- Generator (kW)
- Not documented
- Fuel (gal)
- 150
- Fresh water (gal)
- 105
- Gray water (gal)
- 80
- Black water (gal)
- 60
- Luxury systems
- Not documented
- Intended use
- Not documented
Floorplans offered in 2026
3823
Other 2026 records
Notes
Length is listed as 38 ft 10 in and height as 13 ft 2 in. Also listed: GVWR 54,000 lb; GCWR 69,000 lb; approximate unloaded weight 41,000 lb; 15-gallon DEF tank; hitch rating 15,000 lb; sleeps 5; 50,000 BTU furnace; 8 house batteries with 800 amp-hours. Newmar lists the engine model as "X" with 11.9 liters of displacement. The chassis model (K3) is from the 2026 model page. The floor plan page does not list a generator.
Brochures and sources
Links open the original page. Facts are checked against these sources; tell us if you find one that is out of date.
2026 Mountain Aire coaches for sale
See matching listings in the Motorcoach.direct marketplace.