New 2026 Grand Design Momentum 344M Toy Hauler Fifth Wheel

Virtual Tour
2026 344M Features and Options

Grand Design Momentum toy hauler 344M highlights:

  • Dual Opposing Slides
  • Two Power Awnings
  • 11' Separate Garage
  • Fireplace
  • Kitchen Pantry

 

Spend your days at the campground kicking up mud with this toy hauler in tow! once you've unloaded your toys from the ramp door, you can use the 60 gallon fuel station to fill up and head out on a trail! The overhead bed provides a place for guests to sleep, and there is a Liftsuite System for more sleeping space if needed. There is even an optional half bath here if you choose to make this space more accommodating. Head to the middle kitchen and living area where you'll enjoy generous counter space to prep meals, a spacious 20 cu. ft. refrigerator, an L-shaped sofa with recline, plus a hybrid desk/dinette that will serve as a dining or working space. The dual entry bath creates a front master bedroom you are sure to love. There is a queen bed with an optional king bed, plenty of overhead storage, and a wardrobe slide to keep your things organized. 

 

The Momentum fifth wheel toy haulers by Grand Design are built for four seasons of travel with your off-road toys and include luxurious accommodations throughout for extreme living! Each is constructed to a superior standard with the fully enclosed and heated underbelly and storage area, the 5-sided aluminum cage, and the triple insulated garage floor. The MORryde CRE3000 suspension system and rubber pin box, plus the upgraded axle hangers provide the performance and smooth towing you desire, while the interior offers luxury such as color changing LED accent lighting, hardwood cabinet doors with hidden hinges, and a central vacuum system. Each toy hauler also includes four packages, including the Garage Package with Tuff-Ply gas and oil-resistant flooring, the Weather-Tek Package with a Stealth AC System, and the Interior Luxury Package with solid surface countertops!

 

Options:
  • SAFERIDE RV ROADSIDE ASSISTANCE
  • UNDER UNIT LED LIGHT KIT
  • OMNICONNECT-SATELLITE
  • CELLULAR AND WIFI INTERNET PREP
  • RVIA SEAL
  • KITCHEN POWER FAN W/ RAIN SENSOR
  • 3RD A/C PREP
  • AUXILLARY FRESH WATER TANK (40 GALLON)
  • UPGRADED COOPER H-RATED TIRES W/ 17.5" WHEELS
  • GARAGE TV - LED HD TV
  • 2ND A/C BEDROOM
  • 20 CU FT REFRIG (+INVERTER PREP
  • 330W SOLAR PANEL
  • 50 AMP CONTROLLER
  • BLUETOOTH MODULE AND TWO (2) DOCK PORTS)
  • WEATHER-TEK INSULATION PACKAGE
  • M-CLASS GARAGE PACKAGE
  • M-CLASS LUXURY INTERIOR PACKAGE
  • 8K AXLE W/DISC BRAKES
  • M-CLASS EXTERIOR PACKAGE
  • DEALER DISCOUNT
  • WINTERIZATION
  • HEAT PUMP
  • MOMENTUM PATIO CHAIRS
  • 1/2 BATHROOM
  • 3RD A/C GARAGE
  • EXTERIOR ENTERTAINMENT CENTER
  • SOLAR + PACKAGE (ONE (1) ADDTL 330W PANEL & 2000W INVERTER)
  • GEN II 3 SEASON DOOR W/ SLIDING WINDOWS
  • REAR ALUMIUM DECK SYSTEM W/ REAR POWER AWNING
  • GARAGE SUITE FEATURING P2K BED LIFT
  • YAMAHA GENERATOR - 6K GASOLINE GENERATOR
What Our Customers Are Saying

Great Experience

Awesome experience. Shawn was great and super helpful, very knowledgeable and made things very easy and quick. - Christopher
Price: $175,524
You Save: $32,229
Sale Price: $143,295
Wilkins RV
Location: Bath, NY
Stock# 58107


2026 344M Specifications
Sleeps 6
Slides 3
Length 39 ft 11 in
Ext Width 8 ft 5 in
Ext Height 13 ft 6 in
Int Height 8 ft 5 in
Interior Color ARTISAN
Hitch Weight 3500 lbs
GVWR 19000 lbs
Dry Weight 15910 lbs
Fresh Water Capacity 140 gals
Grey Water Capacity 104 gals
Black Water Capacity 52 gals
Tire Size ST215/75R17.5 LRH
Furnace BTU 35000 btu
Fuel Capacity 60 gals
Number Of Bunks 1
Available Beds Queen
Refrigerator Type Stainless Steel
Refrigerator Size 20 cu ft
Cooktop Burners 3
Shower Size 30" x 48"
Number of Awnings 2
Axle Weight 7000 lbs
Garage Size 11 ft
LP Tank Capacity 30 lbs
Water Heater Type Tankless
AC BTU 30000 btu
TV Info LED TV; LR 49", Garage 32"
Awning Info 10' and 18' Power with LED Lights
Axle Count 3
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
Electrical Service 50 amp
VIN 573FM4221TBB05218
For more information Contact Us
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