Used 2006 Newmar Mountain Aire 4309
Justin, TXYour RV Broker
Questions about this 2006 Newmar Mountain Aire 4309
What does it cost?
Your RV Broker lists it at $79,900.
Is it new or used?
Used. It is a 2006 model with 61,765 miles, as the dealer lists it. It runs on diesel.
Is it still for sale?
Your RV Broker’s website listed it for sale on October 31, 2026. RV Shift checks dealers’ websites about once a day, so ask the dealer to be sure.
Where is it?
At Your RV Broker in Justin, TX. See all 42 RVs Your RV Broker lists on RV Shift.
How many people does it sleep?
The dealer lists it as sleeping 6.
How long is it?
43' 0", with 4 slide-outs, as the dealer lists it.
How much does it weigh?
The dealer lists a GVWR (the most it is allowed to weigh loaded) of 44,200 lb.
How do I ask the dealer about it?
Use the Check availability form on this page. Your message comes to RV Shift and we pass it to Your RV Broker.
About this RV
A 42′ 6″ 2006 Newmar Mountain Aire 4309 diesel pusher on a Spartan tag-axle chassis, with a 400 hp Cummins ISL, 61,765 miles, and 10,000 lbs of towing capacity. This 2006 Newmar Mountain Aire 4309 is a 42′ 6″ Class A diesel pusher built on a Spartan tag-axle chassis with independent front suspension, powered by a 400 hp Cummins ISL and an Allison transmission, with 61,765 miles on the odometer. The certification tag rates it at 44,200 lbs GVWR and 54,200 lbs GCWR, leaving 10,000 lbs of towing capacity for a toad or trailer. Inside, the 4309 floorplan pairs an 84″ sofa and a Corian galley on one side with a dinette and an electric fireplace entertainment center on the other, plus two pantries and a china hutch. The rear private bedroom is served by a 38″ x 38″ shower, a separate toilet room, and a wardrobe with washer/dryer space. Four-point hydraulic auto-leveling, heat-pump central air, and a diesel generator with automatic start round out a coach set up for long stays. Tire DOT date codes for this unit have not yet been recorded. Your RV Broker will surface and disclose the manufacture dates prior to sale.
Specifications as listed by the dealer
- Type
- Class A
- Condition
- Used
- Year
- 2006
- Make
- Newmar
- Model
- Mountain Aire 4309
- Stock number
- 053832
- Horsepower
- 400 hp
- Mileage
- 61,765 mi
- Gvwr
- 44,200 lbs
- Towing
- 10,000 lbs
- Fuel Tank
- 150 gal
- Fresh Water
- 105 gal
- Gray Tank
- 65 gal
- Black Tank
- 45 gal
- Height
- 12′ 8″
- Width
- 101.5″
- Sleeps
- 6
- Length
- 43' 0"
- Slides
- 4
Features
- Polished Corian countertops with undermounted sink and flush sink covers
- Three-burner recessed cooktop with Corian range cover
- 30″ convection microwave oven
- Refrigerator with icemaker and in-door ice/water dispenser
- Two pantries plus china hutch
- Filtered drinking-water dispenser at kitchen sink
- Flat-screen TV in living-area entertainment center
- Electric fireplace below living-area TV
- Sony surround sound system
- Satellite prep with phone and TV jacks
- Recessed ceiling mood lighting
- Rear private bedroom
- Bed lifts for under-bed storage
- Wardrobe with sliding mirror doors
- Chest of drawers and bedroom overhead storage
- 84″ sofa and dinette in living area
- 38″ x 38″ shower and separate toilet room
- A&E Weather Pro power patio awning (21′)
- Power entry-door awning and window awnings
- Slideout awning covers
- Exterior convenience wash station (hot/cold water)
- Automatic rewind water-hose reel
- Lighted pass-through basement storage
- Cummins ISL 400 hp diesel with Allison MD3000MH transmission
- Spartan chassis with independent front suspension and tag axle
- Two-stage engine compression brake
- Four-point hydraulic auto-leveling with air dump
- Heated leather driver/passenger seats with 8-way power
- Tilt-and-telescope steering and adjustable pedals
- Full-body paint with Diamond Shield front protective film
- One-piece molded fiberglass roof
- Aluminum-framed walls, 16″ on-center framing
- Double-pane tinted safety-glass windows
- Ceramic tile flooring in kitchen, bath and entry
- Power lock arms on slideout rooms
- Two 15M Penguin heat-pump central air conditioners (ducted)
- LP furnace with in-floor ducted heat
- Diesel generator on pullout tray with automatic start
- 2,000W inverter and four 6V house batteries
- 50 amp service with power-cord reel
Listing and photos: Your RV Broker. Details come from the dealership and can change; confirm them before you buy.