2026 Grand Design Momentum 351MS Smoke

Experience Unmatched Comfort and Functionality with the Momentum Toy Hauler

The Momentum toy hauler from Grand Design RV is a luxurious and spacious option for those who enjoy extreme adventures with their power sports. With residential-style interiors and a large bathroom, the Momentum offers all the comforts of home while on the road. The wide-body frame provides ample space for storage and living, making it perfect for families who want to travel in style and comfort. The slideboxes are fully insulated and laminated, making it weather-tested and durable for all types of terrains and weather conditions.

Grand Design RV takes pride in its attention to detail and quality craftsmanship, evident throughout the Momentum. The industry's best warranty and customer service back the product, providing customers with peace of mind and support they can rely on. As part of the growing, vibrant, and helpful community of Grand Design owners, customers can connect with others who share their passion for extreme adventures and power sports. With the Momentum toy hauler, Grand Design RV offers the ultimate luxury toy hauler with all the comforts of home for those who enjoy extreme adventures.

Extreme R&R.

Our top-of-the-line Momentum Fifth Wheel Toy Haulers are — inside and out — our most luxurious Toy Haulers. With the comfort of a master suite and master bath, home’s now a long way from your house.

Features May Include:

EXTERIOR

• Keyed Alike™ Ramp Door Latches
• 2nd Patio Awning w/ LED Lights
• 3rd Awning w/ LED Lights
• Exterior Color Changing LED Accent Lighting
• High-Gloss Gel Coat Exterior Sidewalls
• Door Side Exterior Spray Port
• Frameless Tinted Windows
• Walk-On Roof
• 17.5" Spare Tire (Undermount)
• MORryde Strut Assist Entry Step
• Slam-Latch Baggage Doors
• Mo Secure
• Gen III 3 Seasons Doors (Opt)

CONSTRUCTION

• 101" Wide Body Construction
• 5-Side Aluminum Cage Construction
• Fully Enclosed and Heated, Underbelly and Storage Area

ELECTRICAL

• Solar Prep (10 gauge wiring with universal MC4 connectors)
• 75 Amp Converter
• 12V Battery Disconnect

INTERIOR

• Interior Color Changing LED Accent Lighting
• Hardwood Cabinet Doors w/Hidden Hinges
• Recliner Sofa w/Adjustable Headrest or Flip Down Cupholders
• Central Vacuum System w/ Tools and Dust Pan
• Plywood Drawer Bottoms

KITCHEN

• Microwave
• Professional Grade Stainless Steel Cooktop
• 12-Volt High Power MaxxAir Fan w/Rain Sensor
• Window Behind Range
• Kitchen Barstools w/ Extended Countertops
• Smart Sink w/ removeable cutting board, produce strainer and glass rinser

BEDROOM

• Under Bed Storage Area
• Individually Switched Reading Lights Over Bed
• Bedside 110-Volt & USB Outlets
• Window Above Master Bed Headboard
• 60" X 80" Queen Bed Pillow Top Bed Mattress

BATHROOM

• Skylight Above Shower
• Porcelain Toilet
• Medicine Cabinet w/Mirrored Door (N/A 410TH)
• Undermount Lav Sink
• One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat

PLUMBING

• Exterior Spray Port (Door Side)
• 12V Tank Heaters
• Sewer Hose Storage Area
• Whole House Water Filtration System
• All-In-One Enclosed and Heated Utility Center

APPLIANCE

• Fireplace with Electric Heater
• Stainless Steel 20 cu. ft. Refrigerator
• 30" Over-The-Range Microwave

ELECTRONICS

• OneControl™ System
• Back-Up Camera Prep
• Exterior Cable/SAT Plug-In
• LED Smart TV in Living Area
• LED TV in Bedroom
• Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
• Exterior Speakers
• No-Crank Digital TV Antenna w/Booster
• LED TV in Garage
• OmniConnect On-Board WiFi Ready

HVAC

• 12V High Power Fan (Kitchen)
• 35K BTU High Capacity Furnace
• Fireplace w/ 5,000 BTU Electric Heater
• StealthAC Smart System
• Attic Vent
• High Capacity Heat Ducts