New 2026 Newmar Northern Star 3709

New 2026 Newmar Northern Star 3709 Class A Diesel Motorhome for Sale in Tucson, AZ

The new 2026 Newmar Northern Star 3709 is a 37 ft 10 in Class A diesel motorhome built around a rear master bedroom floor plan with a king bed. It rides on a Freightliner XCR. It is available now at Freedom RV in Tucson, Arizona (stock #6078).

Northern Star 3709 at a Glance

Condition	New
Year	2026
Make	Newmar
Model	Northern Star
Floor plan / trim	3709
Type	Class A Diesel Motorhome
Length	37 ft 10 in
Chassis / engine	Freightliner XCR, Cummins L9 diesel, 380 hp
Mileage	1,906 miles
GVWR	36,000 lbs
Tow rating	10,000 lbs
Tanks	105 gal fresh / 75 gal gray / 55 gal black
Air conditioning	30,000 BTU
Stock #	6078
VIN	4UZACHFCXTCWM6379
Location	Freedom RV, Tucson / Marana, AZ

Highlights

• Private rear master bedroom with king bed


• Whirlpool residential refrigerator with icemaker


• Dual 15,000 BTU heat pump air conditioners


• 8.0 kW Cummins Onan diesel generator


• Polished porcelain tile flooring


• Hardwood cabinetry with soft-close drawers


• Hydronic diesel heat with continuous hot water


• Splendide two-piece washer and dryer

Options Installed on This Unit

• Mesa Glazed Maple


• Central Vacuum


• Electric Fireplace


• Whirlpool 19.7 Cf Refrigerator


• 2 Extra Batteries


• Splendide 2-piece Washer/Dryer


• Continuous Hot Water Heater


• 43" LED Exterior TV


• Sirius Radio Capability


• Wifi Ranger


• Winegard Rayzar Antenna


• Drop Down Bunk


• 74" Theater Seating


• Flag Pole Bracket

Frequently Asked Questions

How long is the 2026 Newmar Northern Star 3709?

The 2026 Newmar Northern Star 3709 is 37 ft 10 in long.

What chassis and engine does the Northern Star 3709 use?

This unit is built on a Freightliner XCR, Cummins L9 diesel, 380 hp. It is rated to tow up to 10,000 lbs.

Can I finance the 2026 Newmar Northern Star 3709 or trade in my current RV?

Yes. Freedom RV offers financing and accepts trade-ins. Apply online 

Where can I see the 2026 Newmar Northern Star 3709?

Freedom RV has sales lots at 3735 E. Irvington Road in Tucson and 7475 N. I-10 Eastbound Frontage Rd. in Marana. 

Why Buy From Freedom RV

Freedom RV is a family-owned Arizona RV dealer serving Tucson, Marana and the Southwest since 1972. We offer financing, take trade-ins, and back every sale with our own parts and service department. Shoppers from Phoenix, Sierra Vista, Yuma, New Mexico and beyond make the drive for our selection and pricing.

Specifications are from the manufacturer and may vary by options. Price excludes tax, title, license and fees.