New 2026 Grand Design Momentum 392M Toy Hauler Fifth Wheel

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2026 392M Features and Options

Grand Design Momentum toy hauler 392M highlights:

  • L-Shaped Sofa with Recline
  • Queen Bed
  • Overhead Loft Bed
  • Ramp Door/Patio

 

This toy hauler with a 17' separate garage will be perfect for your outdoor adventures. There is an adjustable tie-down system to keep your gear secure, an overhead loft bed, two Liftsuite Systems plus an optional half bath. There is also washer and dryer prep here, along with a flip-up pet dish for your furry friends. The chef will love the large kitchen countertop for more meal prep space, and there is a 20-cu. ft. refrigerator and pantry for food storage. You can get comfy on the L-shaped sofa across from the 50" TV, or get some work done at the hybrid desk/dinette. There are also dual opposing slides here for added space. The third slide out is found in the front master bedroom, which includes drawers and storage space for your things. A queen bed will provide a great night's rest, and you have the option to choose a king bed if you want more space to stretch out!

 

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:
  • M- CLASS LUXURY INTERIOR PACKAGE
  • EXTERIOR PACKAGE
  • GARAGE PACKAGE
  • WEATHER- TEK INSULATION PACKAGE
  • UNDER UNIT LED LIGHT KIT
  • 2ND BEDROOM 15K A/C
  • 3RD A/C PREP
  • KITCHEN PWR FAN W/RAIN SENSOR
  • GARAGE TV LED HD
  • AUX FRESH WATER TANK 40GALS
  • 20cu.ft. FRIG (inverter prep solar panel 50 amp contrl
  • bluetooth mod
  • dock ports)
  • SAFERIDE RV ROADSIDE ASSISTANCE
  • RVIA SEAL
  • DPU
  • M CLASS GRAPHICS
  • ARTSAN INT DECOR
  • UPGRADED COOPER H-RATED TIRES W/17.5" WHEELS
  • MorRYDE 7K INDEPENDENT SUSPENSION TRIPLE AXLE
  • GEN III 3 SEASON DOOR W/ SLIDING WINDOWS
  • 6K WATT GENERATOR
  • 3RD GARAGE 15K A/C
  • HEAT PUMP
  • KING BED
  • ROCKFORD FOSGAGTE STAGE 1 STERO
  • 1/2 BATH GARAGE
  • REAR ALUMINUM DECK W/PWR AWNING
  • REAR PATIO STEPS
  • SLIDE OUT TOPPERS
  • SOLAR ½ PACKAGE
  • WINTERIZATION
  • ONYX W/ ORANGE ACCENT FBP
  • OMNI CONNECT
  • CDL FEE
What Our Customers Are Saying

Above and Beyond!

I give this dealership and all the employees there a five out of a five star rating. Everyone went above and beyond. They were so helpful with everything. I couldn't be happier with the service there! - Jon
Price: $206,998
Beckleys RVs
Location: Thurmont, MD
Stock# 52373
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 3457825#
(enter this ID if prompted)
2026 392M Specifications
Sleeps 8
Slides 3
Length 45 ft 11 in
Ext Width 8 ft 5 in
Ext Height 13 ft 6 in
Int Height 8 ft 5 in
Hitch Weight 3650 lbs
GVWR 23500 lbs
Dry Weight 18114 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 2
Available Beds Queen
Refrigerator Type Stainless Steel
Refrigerator Size 20 cu ft
Cooktop Burners 3
Shower Size 48" x 30"
Number of Awnings 2
Axle Weight 7000 lbs
Garage Size 17 ft
LP Tank Capacity 30 lbs
Water Heater Type Tankless
AC BTU 45000 btu
TV Info LED TV; LR 49", Garage 32"
Awning Info 16' 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
For more information Contact Us

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