New 2026 Newmar Northern Star 3709

New 2026 Newmar Northern Star 3709 Specifications: Experience Elite Class A Diesel Pusher Luxury

The New 2026 Newmar Northern Star 3709 is an exceptional new luxury Class A diesel pusher motorhome, setting a high standard for residential comfort, sophisticated design, and robust performance. As a premier model in Newmar's distinguished Northern Star line, the 3709 floor plan is designed for discerning RVers seeking an intelligent use of space, often featuring a popular layout that maximizes living areas, making it an outstanding choice for full time RV living or extensive cross country adventures.

If you are searching for a brand new diesel motorhome that offers a truly high end experience, cutting edge features, Newmar's legendary quality, and a powerful engine, the 2026 Newmar Northern Star 3709 stands as a benchmark in the new RV market.

2026 Newmar Northern Star 3709 Specifications: Explore This Premier Diesel Pusher

Overview & Key Features:

• Spacious Floor Plan 3709 : The 3709 layout is a highly desirable 37 foot Class A motorhome often featuring multiple slide outs (typically two or three) to dramatically expand the living area, kitchen, and master bedroom, creating an incredibly open, spacious, and residential feel. This maximizes diesel pusher interior space.

• Private Rear Master Bedroom: Includes a private rear master bedroom with a comfortable king size bed (often a Sleep Number® R5 Radius Corner Air Mattress), ensuring a restful night s sleep on your travels.

• Residential Appliances & Amenities: Designed with home like features throughout, including a residential refrigerator, induction cooktop, and premium finishes, for unparalleled convenience and luxury.

• Four Season Capable: Newmar s robust construction includes superior insulation, hydronic heating, and advanced climate control systems for comfortable extended season RVing, even in extreme temperatures.

Chassis & Engine: Uncompromising Power and Superior Ride

• Chassis: Primarily built on the robust Freightliner® XCR Chassis (or optional Spartan K2 Chassis on some models), known for its sturdy foundation, excellent handling, and smooth ride for Class A diesel motorhomes.

• Suspension: Comfort Drive™ Steering system (Newmar s exclusive system) for reduced driving fatigue and precise control. Air ride suspension and Sachs or Koni® shocks provide a luxurious ride.

• Engine: Powered by a formidable Cummins® L9 Diesel engine.

  • Horsepower: 380 HP or 450 HP (depending on specific configuration; 380hp is common for this length).

  • Torque: 1,150 lb ft or 1,250 lb ft (provides immense pulling power for climbing and heavy duty towing).

• Transmission: Allison® 3000 MH 6 speed Automatic Transmission.

• Fuel Capacity: Large 100 gallon diesel fuel tank.

• DEF Tank: 10 gallon DEF tank.

• Towing Capacity: Impressive 10,000 lb trailer hitch capacity with 7 pin connector.

• Leveling System: HWH® Hydraulic Automatic Leveling Jacks with Touchpad Controls for quick and stable setup.

Dimensions & Weights:

• Exterior Length: Approximately 37 ft 10 in to 38 ft 6 in.

• Exterior Width: 8 ft 5.5 in (101.5 inches).

• Exterior Height with A C : 12 ft 11 in to 13 ft 0 in.

• Interior Height: 6 ft 11 in (83 inches).

• GVWR Gross Vehicle Weight Rating : 36,000 lbs.

• GCWR Gross Combined Weight Rating : 46,000 lbs.

• Exterior Storage: Ample pass through basement storage compartments with power cargo trays.

Tank Capacities: Designed for Extended Living & Boondocking

• Fresh Water Capacity: 105 gallons (generous for boondocking or extended stays).

• Grey Water Capacity: 75 gallons.

• Black Water Capacity: 55 gallons.

• LP Tank Capacity: 32 gallons approximately 136 lbs.

• Water Heater Type: Hydronic Zone Diesel Heat with Continuous Hot Water (Oasis or similar, a premium feature providing endless hot water and quiet, even coach heating).

Appliances & Utilities: Uncompromising Residential Comfort

• Refrigerator: Whirlpool® 19.7 cu ft Residential Refrigerator with icemaker (standard).

• Cooking: True Induction Cooktop. Fisher & Paykel® Dishwasher in a drawer (optional).

• Microwave Oven: Convection Microwave.

• Furnace BTU: 50,000 BTU hydronic heat system.

• AC BTU: Dual 15,000 BTU Penguin™ Heat Pump Air Conditioners (total 30,000 BTU). Optional third 15M Penguin™ Heat Pump A C with Energy Management System for maximum cooling.

• Electrical Service: 50 Amp service with Power Rewind Reel with 50' Cord.

• Generator: 8.0 kW Cummins Onan Quiet Diesel Generator (on power slide tray). Automatic Generator Start.

• Inverter: 2,000 watt Pure Sine Wave Inverter (powers residential fridge and most outlets).

• Awnings: Multiple Power Patio Awnings with LED Lighting.

• Entertainment: Large LED Smart TV in Living Area. LED TV in Master Bedroom. Blu ray Player. Soundbar. Exterior Entertainment Center with LED TV (optional). Satellite dish prep.

• Washer Dryer Prep: Standard prep for stackable washer dryer units.

• Central Vacuum System (optional).

Construction & Exterior: Newmar s Legendary Build Quality

• Newmar Quality: STAR Foundation (a strong steel substructure for superior ride, handling, and a quieter ride). Full Paint Masterpiece™ Finish with Clearcoat Finish & Diamond Shield Protection on Front Cap. Gelcoated Fiberglass Exterior Sidewalls, Front & Rear Caps. Aluminum Frame Sidewalls & Roof Construction. BriteTEK™ Roof with Walkable Decking.

• Windows: Frameless Double Pane Tinted Safety Glass Windows (for superior insulation and noise reduction).

• Entry: Entrance Door with Automatic Steps. Lighted Assist Handle. Keyless entry. Power baggage door locks.

• Mirrors: Convex Exterior Mirrors with Remote Control, Defrost & Side View Cameras.

• Other: Rear ladder. Exterior shower. Pass through storage with power slide out trays.

Interior Features: Unrivaled Residential Comfort and Style

• Flooring: Polished Porcelain Tile throughout living area, kitchen, and bathroom.

• Cabinetry: Hardwood Cabinetry. Soft close cabinet drawers. Hidden hinges. Backlit carved wood slideout fascia.

• Living Area: Flexsteel® Ultraleather® Sofa. Optional Flexsteel® recliners or theater seating. Heated Captain's Chairs. Dinette with chairs. Power adjustable pedals. Power windshield day/night shades.

• Kitchen: Gourmet Kitchen with solid surface countertops, custom tile backsplash, large stainless steel sink with pull down faucet. Pantry. Dishwasher (optional).

• Bedroom: King size bed (optional Sleep Number® adjustable mattress). Full wall wardrobe. Dresser with drawers.

• Bathroom: Full master bath with fiberglass shower (often with glass enclosure and skylight). Polished solid surface countertop. Porcelain toilet. Power fan in bathrooms.

• Cockpit: Driver and passenger seats with Six Way Power. Touchscreen Dash Radio with Navigation System. Steering wheel with controls.

• Convenience: Central Vacuum System (optional). Safe (optional). 110 Volt Heat Pads for Holding Tanks. Demand Water System. Water Filter for Entire Unit.