Used 2024 Grand Design Momentum M-Class 351MS
- List: $89,995
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40ft long
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14,700 lbs
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Sleeps 5
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3 slides
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Kitchen IslandBath and a Half
351MS Floorplan
Specifications
| Sleeps | 5 | Slides | 3 |
| Length | 40 ft 6 in | Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 6 in | Int Height | 8 ft 5 in |
| Hitch Weight | 2785 lbs | GVWR | 19000 lbs |
| Dry Weight | 14700 lbs | Fresh Water Capacity | 140 gals |
| Grey Water Capacity | 52 gals | Black Water Capacity | 104 gals |
| Tire Size | ST215/75R17.5 LRH | Furnace BTU | 35000 btu |
| Fuel Capacity | 60 gals | Available Beds | Queen |
| Refrigerator Type | Stainless Steel | Refrigerator Size | 20 cu ft |
| Cooktop Burners | 3 | Number of Awnings | 2 |
| Axle Weight | 7000 lbs | Garage Size | 11 ft |
| LP Tank Capacity | 30 lbs | Water Heater Type | On Demand |
| AC BTU | 30000 btu | TV Info | LED TV; LR 49", Garage 32" |
| Awning Info | 10' and 18' Power with LED Lights | Axle Count | 2 |
| Washer/Dryer Available | Yes | Number of LP Tanks | 2 |
| Shower Type | Shower w/Seat | Electrical Service | 50 amp |
| VIN | 573FM4120RBB01431 |
Description
Grand Design Momentum M-Class 351MS Toy Hauler – Luxury Meets Adventure
The Grand Design Momentum M-Class 351MS toy hauler is built for campers who want to bring their favorite toys, their favorite people, and all the comforts of home along for the journey. Whether you’re exploring off-road trails, setting up at your favorite campground, or enjoying extended adventures with family and friends, this impressive fifth wheel toy hauler delivers the perfect blend of rugged capability and upscale living.
Designed with a spacious layout, premium features, and flexible garage space, the Momentum 351MS transforms every destination into a home base for unforgettable outdoor experiences.
Grand Design Momentum M-Class 351MS Highlights
• Bath and a Half Layout – Enjoy the convenience of a full bathroom plus a separate half bath, making busy mornings, group camping trips, and outdoor adventures much easier.
• 11' Separate Garage – Bring your ATVs, side-by-sides, motorcycles, bikes, and adventure gear while still having a versatile space that can become an extra living area, dining space, or bedroom.
• Dual Entry Doors – Easily access both the garage area and main living space, creating better flow throughout your campsite.
• Kitchen Island with Bar Stools – Prepare meals with extra counter space, enjoy casual dining, and gather around the island after a day outdoors.
• Overhead Loft Bed – Provide additional sleeping space without sacrificing valuable living area.
• Universal Docking Station – Keep your camping technology, connections, and accessories organized for a more convenient experience.
Spacious Toy Hauler Living Designed for Adventure
Inside the Momentum M-Class 351MS, every detail is designed around comfort and flexibility. The separate 11-foot garage gives you the freedom to bring along your favorite outdoor toys while also providing a multi-purpose space once you arrive. Add the optional Happi-Jac rollover sofas and table with top bed option to create a second living area, dining space, or sleeping area for guests.
The main living area is perfect for relaxing after a full day of adventure. The four-seat super sofa slide creates plenty of seating for everyone, while the LED TV and fireplace provide the perfect setup for movie nights or relaxing on cooler evenings.
The chef-inspired kitchen makes camping feel like home with upgraded appliances, solid surface countertops, and a spacious island featuring a sink and additional prep space. Two bar stools create a comfortable spot for breakfast, drinks, or conversation while meals are being prepared.
The front bedroom offers a private retreat with a queen bed slide and optional king bed upgrade, along with plenty of wardrobe storage and a dresser slide top for keeping your camping essentials organized.
Premium Features Built for Four-Season Camping
The Grand Design Momentum M-Class series is designed for campers who refuse to let the weather stop the adventure. Built with advanced construction features and premium components, the 351MS delivers confidence wherever the road leads.
Features include:
• Thermal roof design for improved insulation and comfort
• Triple-insulated main floor and garage floor for better temperature control
• Rail-Tite underbelly seal to help protect against the elements
• Wide 8' 5" body chassis for enhanced durability and garage space
• Wide rail design with no wheel wells for easier loading and more usable garage space
• Dovetail garage entry for smoother toy loading
• Stealth A/C system for powerful cooling performance
• CRE3000 suspension system for a smoother towing experience
• Professional-grade stainless steel cooktop
• Color-changing interior LED accent lighting
• Fiberglass shower with glass door
• Solid surface countertops
Why Buy This RV?
The Grand Design Momentum M-Class 351MS is the perfect choice for outdoor enthusiasts who want more than just a camper. It gives you the freedom to chase adventure without leaving behind the comforts you enjoy at home.
With a spacious garage, luxury interior, multiple sleeping areas, and premium construction, this toy hauler is ready for weekend escapes, long camping trips, and everything in between. Load up your toys, invite your favorite people, and create memories around the campfire in a fifth wheel built for the way you adventure.
Why Buy From Campers Inn RV Madison?
At Campers Inn RV Madison, you’re more than just a customer — you’re part of a camping community. Our team understands the RV lifestyle and is here to help you find the perfect RV for your adventures.
When you shop with Campers Inn RV Madison, you can enjoy:
• A knowledgeable team ready to help you choose the right RV for your camping goals
• A wide selection of quality RVs from trusted manufacturers
• Professional service and support before, during, and after your purchase
• A dealership experience focused on helping you make the most of your RV lifestyle
Start planning your next great escape with the Grand Design Momentum M-Class 351MS and experience the freedom of bringing your adventures wherever the road takes you.
Features
Standard Features (2024)
Exterior
- Keyed Alike™ Ramp Door Latches
- 2nd Patio Awning w/ LED Lights
- 3rd Awning w/LED Lights (Main Slide-395MS)
- 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
Construction
- 101" Wide-Body Construction
- 5-Side Aluminum Cage Construction
- Fully Enclosed Underbelly w/Heated Tanks and Storage
Running Gear
- Upgraded Axle Hangers
- Heavy Duty H-Rated Tires
- Heavy Duty 7,000lb. Axles with ABS Drum Brakes (381MS, 395MS, 398M)
- Heavy Duty 8,000lbs. Axles with ABS Drum Brakes (349M, 351MS)
- 17.5" H-Rated Aluminum Wheels
- MORryde® CRE3000 Suspension System
- Anti-Lock Brake System
Frame & Chassis
- 6-Point Hydraulic Leveling System
- 101" Wide Body Super Chassis
Interior
- Interior Color Changing LED Accent Lighting
- Hardwood Cabinet Doors w/Hidden Hinges
- Sofa w/Headrest (Includes Heat, Massage & LED Lighting Package)
- Central Vacuum System w/ Tools and Dust Pan
- Plywood Drawer Bottoms
Kitchen
- Microwave
- Residential Kitchen Faucet
- Professional Grade Stainless Steel Cooktop
- 12v High Power MaxxAir Fan with Rain Sensor
- Window Behind Range (349M, 351MS, 381MS, 398M)
- Kitchen Barstools w/Extended Countertops (349M, 351MS, 381MS, 398M)
- Smart Sink w/removable cutting board, produce strainer and glass rinser
Electrical
- Solar Prep (10 gauge wiring with universal MC4 connectors)
- 75 Amp Converter
- 12V Battery Disconnect
HVAC
- 12v High Power Fan (Kitchen)
- 35K BTU High Capacity Furnace
- Stealth AC System w/ Insulated A/C Ducts
- Attic Vent
- High Capacity Heat Ducts
Plumbing
- Exterior Spray Port (Door Side)
- 12V Tank Heaters
- Sewer House Storage Area
- Whole House Water Filtration System
- All-In-One Enclosed Utility Center
Bedroom
- Under Bed Storage Area (N/A 336M)
- Individually Switched Reading Lights Over Bed
- Bedside 110-Volt & USB Outlets
- Window Above Master Bed Headboard
- 60" x 80" Queen Pillow Top Bed Mattress
Bathroom
- Porcelain Toilet
- Medicine Cabinet w/Mirrored Door
- Undermount Lav Sink
- One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat
Appliance
- Fireplace with Electric Heater
- Stainless Steel 20 cu. ft. Refrigerator
- 30" Over-The-Range Microwave
Electronics
- Exterior Cable/SAT Plug-In
- LED Smart TV in Living Area
- Rockford Fosgate Stereo Ent. System w/HDMI and App Controls
- Exterior Speakers
- No-Crank Digital TV Antenna w/Booster
- LED TV in Garage (NA 336M)
- TravLFi On-Board WiFi Ready
Packages
Exterior Package
- Satellite TV Prep
- MORryde Strut Assist Entry Step
- Aluminum Quad Entry Steps - Garage Entry (N/A 336M)
- 7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
- 17” Aluminum Wheels (120PSI Rated)
- Cooper Tires® 17.5" All-Steel H-Rated Tires
- Slam-Latch Baggage Doors
- Frameless Tinted Windows
- Exterior Security Lights
- Power Patio Awning w/LED Lighting
- Folding Roof Ladder
- White Gel Coat Fiberglass Front Cap
- 12V Battery Disconnect
- All-In-One Exterior Utility Center
- 50 Amp Service
- Converter
- Enclosed Fuel Station w/ Dual Fuel Tank (Single Tank 336M)
- Partial Paint Gel Coat Fiberglass Front Cap
Interior Package
- 49" Class LED TV in Living Area
- Stereo Entertainment System w/Bluetooth and App Based Controls in Living Area
- Washer/Dryer Prep
- 12 Gallon Gas/Electric Water Heater
- Roller Shade Window Coverings (Main Living Area and Bedroom)
- Recessed LED Puck Lighting
- Solid Surface Countertops w/ Sink Covers
- Stainless Steel Undermount Kitchen Sink
- Chef Inspired Range & Oven w/ Cover
- Kitchen Pantry w/ LED Light Strip
- Garage Control Panel (N/A 336M)
Garage Package
- 32" Class LED TV in Garage
- Protective Diamond Plate on Garage Sidewalls
- 2,500 lb. Rated Flush-Mount Tie-Downs
- Ram-Air Garage Vents Both Sides(N/A 336M)
- Tuff-Ply Gas and Oil Resistant Garage Flooring
- FastRamp Rear Ramp Door(N/A 336M)
- Triple Insulated Garage Floor (N/A 336M)
Weather-Tek Package
- R-Value Equivalent (R-40 Roof / R-45 Floor / R-11 Sidewalls / R-40 Garage Floor / R-24 Slideroom Floor)
- Fully Enclosed and Heated, Underbelly and Storage Area
- Enclosed and Heated Low Point Drains
- Engineered Underbelly Airflow Heat Paths
- Stealth AC System w/ Insulated A/C Ducts
- Attic Vent
- Plumbing Line Insulation Barrier
See us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
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*All calculated monthly payments are an estimate for qualified buyers only and do not constitute a commitment that financing or a specific interest rate or term is available. Financing terms may not be available in all Campers Inn locations. Campers Inn RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual inventory in stock on our lot. Please contact us for availability as our inventory changes rapidly.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

