Grand Design Momentum M-Class Toy Hauler Fifth Wheel RVs For Sale

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The Momentum M-Class toy hauler fifth wheels by Grand Design combine luxury with a garage allowing you to be mobile with your toys and comfortable anywhere you choose to explore!

 

Each is built on an exclusive SuperChassis with a 101" wide body and a wide rail design for maximum space, and the CRE3000 Suspension will provide smooth towing. You'll find Tuff-Ply gas and oil resistant garage flooring and 2,500 lb. flush-mount tie-downs to keep your gear secure. Luxury abounds inside with hardwood cabinet doors, solid surface countertops, and color changing LED accent lighting! Outside, you'll appreciate hassle-free features such as, a 6-point hydraulic leveling system, a door side exterior spray port, slam-latch baggage doors, and more!

 

Extreme R&R is found with the Momentum M-Class by Grand Design; choose yours today!

  • Momentum M-Class 336M

    Momentum M-Class 336M Floorplan Image

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    Grand Design Momentum M-Class 336M toy hauler fifth wheel highlights: Front ... more about Momentum M-Class 336M

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    Specifications

    Sleeps 6
    Slides 5
    Length 39 ft 10 in
    Ext Width 8 ft 5 in
    Ext Height 13 ft 6 in
    Exterior Color Black w/; Charcoal, Silver, Burgundy, Blue, Burnt Orange. Silver w/; Charcoal, Mint, White. 10th Anniversary
    Hitch Weight 2600 lbs
    GVWR 17000 lbs
    Dry Weight 14200 lbs
    Fresh Water Capacity 98 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 52 gals
    Tire Size ST215/75R17.5 LRH
    Furnace BTU 35000 btu
    Fuel Capacity 30 gals
    Available Beds Queen
    Refrigerator Type 12V
    Refrigerator Size 20 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 9 ft 9 in
    LP Tank Capacity 60 lbs.
    Water Heater Type On Demand
    AC BTU 30000 btu
    TV Info LR LED TV, Ext. TV
    Awning Info 10' & 16' Power with LED Lights
    Axle Count 2
    Shower Type Shower w/Seat
    Electrical Service 50 amp

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  • Momentum M-Class 349M

    Momentum M-Class 349M Floorplan Image

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    Grand Design Momentum M-Class toy hauler 349M highlights: 13' Separate Garage ... more about Momentum M-Class 349M

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    Specifications

    Sleeps 5
    Slides 3
    Length 40 ft 7 in
    Ext Width 8 ft 5 in
    Ext Height 13 ft 6 in
    Exterior Color Black w/; Charcoal, Silver, Burgundy, Blue, Burnt Orange. Silver w/; Charcoal, Mint, White. 10th Anniversary
    Hitch Weight 2925 lbs
    GVWR 16800 lbs
    Dry Weight 13600 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
    Available Beds Queen
    Refrigerator Type 12V
    Refrigerator Size 20 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 13 ft
    LP Tank Capacity 60 lbs
    Water Heater Type On Demand
    AC BTU 30000 btu
    TV Info LR LED TV
    Awning Info 10' and 18' Power with LED Lights
    Axle Count 2
    Washer/Dryer Available Yes
    Shower Type Sunken Tub/Shower
    Electrical Service 50 amp

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  • Momentum M-Class 351MS

    Momentum M-Class 351MS Floorplan Image

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    Grand Design Momentum M-Class toy hauler 351MS highlights: Bath and a Half 11' ... more about Momentum M-Class 351MS

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    Specifications

    Sleeps 5
    Slides 3
    Length 41 ft 7 in
    Ext Width 8 ft 5 in
    Ext Height 13 ft 6 in
    Exterior Color Black w/; Charcoal, Silver, Burgundy, Blue, Burnt Orange. Silver w/; Charcoal, Mint, White. 10th Anniversary
    Hitch Weight 2900 lbs
    GVWR 17000 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 12V
    Refrigerator Size 20 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 11 ft
    LP Tank Capacity 60 lbs
    Water Heater Type On Demand
    AC BTU 30000 btu
    TV Info LR LED TV
    Awning Info 18' Power with LED Lights
    Axle Count 2
    Washer/Dryer Available Yes
    Shower Type Sunken Tub/Shower
    Electrical Service 50 amp

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  • Momentum M-Class 381MS

    Momentum M-Class 381MS Floorplan Image

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    Grand Design Momentum M-Class toy hauler 381MS highlights: Bath and a Half 15' ... more about Momentum M-Class 381MS

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    Specifications

    Sleeps 5
    Slides 3
    Length 45 ft 7 in
    Ext Width 8 ft 5 in
    Ext Height 13 ft 6 in
    Exterior Color Black w/; Charcoal, Silver, Burgundy, Blue, Burnt Orange. Silver w/; Charcoal, Mint, White. 10th Anniversary
    Hitch Weight 3440 lbs
    GVWR 20000 lbs
    Dry Weight 15800 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 12V
    Refrigerator Size 20 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 15 ft
    LP Tank Capacity 60 lbs
    Water Heater Type On Demand
    AC BTU 30000 btu
    TV Info LR LED TV
    Awning Info 14' and 18' Power with LED Lights
    Axle Count 3
    Washer/Dryer Available Yes
    Shower Type Shower w/Seat
    Electrical Service 50 amp

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  • Momentum M-Class 395MS

    Momentum M-Class 395MS Floorplan Image

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    Grand Design Momentum M-Class toy hauler 395MS highlights: 14' Separate Garage ... more about Momentum M-Class 395MS

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    Specifications

    Sleeps 5
    Slides 3
    Length 45 ft 10 in
    Ext Width 8 ft 5 in
    Ext Height 13 ft 6 in
    Exterior Color Black w/; Charcoal, Silver, Burgundy, Blue, Burnt Orange. Silver w/; Charcoal, Mint, White. 10th Anniversary
    Hitch Weight 2900 lbs
    GVWR 20000 lbs
    Dry Weight 15600 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
    Available Beds Queen
    Refrigerator Type 12V
    Refrigerator Size 20 cu ft
    Cooktop Burners 3
    Number of Awnings 3
    Axle Weight 7000 lbs
    Garage Size 14 ft
    LP Tank Capacity 60 lbs
    Water Heater Type On Demand Tankless
    AC BTU 30000 btu
    TV Info LR LED TV
    Awning Info 11', 12' and 13' Power with LED Lights
    Axle Count 3
    Washer/Dryer Available Yes
    Shower Type Sunken Tub/Shower
    Electrical Service 50 amp

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  • Momentum M-Class 398M

    Momentum M-Class 398M Floorplan Image

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    Grand Design Momentum M-Class toy hauler 398M highlights: 18' Separate Garage ... more about Momentum M-Class 398M

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    Specifications

    Sleeps 5
    Slides 3
    Length 45 ft 7 in
    Ext Width 8 ft 5 in
    Ext Height 13 ft 6 in
    Exterior Color Black w/; Charcoal, Silver, Burgundy, Blue, Burnt Orange. Silver w/; Charcoal, Mint, White. 10th Anniversary
    Hitch Weight 2980 lbs
    GVWR 20000 lbs
    Dry Weight 15000 lbs
    Fresh Water Capacity 140 gals
    Grey Water Capacity 52 gals
    Black Water Capacity 52 gals
    Tire Size ST215/75R17.5 LRH
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Type 12V
    Refrigerator Size 20 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 18 ft
    LP Tank Capacity 60 lbs
    Water Heater Type On Demand
    AC BTU 30000 btu
    TV Info LR LED TV
    Awning Info 18' Power with LED Lights
    Axle Count 3
    Washer/Dryer Available Yes
    Shower Type Sunken Tub/Shower
    Electrical Service 50 amp

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Momentum M-Class Features:

Standard Features 

 

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)
  • SolidStep Quad Entry Steps
  • 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 w/NitroFill
  • Heavy Duty 7,000lb. Axles with ABS Brakes
  • 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 & Removable Swivel Tables (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)

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

  • Skylight Above Shower
  • 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)

Exterior Package

  • Satellite TV Prep
  • 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
  • Aluminum Quad Entry Steps - Main Entry
  • 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
  • Solid Step Quad Entry Step - Main Entry

Luxury 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 376THS)

Garage Package

  • 32" Class LED TV in Garage (397TH and 399TH only)
  • Protective Diamond Plate on Garage Sidewalls
  • 2,500 lb. Rated Flush-Mount Tie-Downs
  • Ram-Air Garage Vents Both Sides(N/A 376THS)
  • Tuff-Ply Gas and Oil Resistant Garage Flooring
  • Fast Ramp Rear Ramp Door(N/A 376THS)
  • Triple Insulated Garage Floor (N/A 376THS)

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.

Manu-Facts:

Grand Design Logo
In 2012, we started with a blank canvas to pursue that better way, a different way, than what had been done before. A company whose culture requires a long-term, personal connection with our customers, employees, and dealers – that company is Grand Design RV. Our business model of doing the right thing has led us to unparalleled years of growth.
 
Our local workforce has been hand-picked and has an excellent reputation for second-to-none industry craftsmanship, and our CEO and Senior Management actively work with the production facilities to help build the team and develop products.
 
At Grand Design we've raised the quality bar by putting every unit through a series of quality inspection gates during the manufacturing process. Once completed, the unit undergoes a comprehensive “final finish” inspection. Every one of our coaches is shipped to a PDI (Pre-Delivery Inspection) area where they are put through a rigorous 300+ point inspection checklist before being shipped to our dealers.  And, we back every one of our coaches with a 3-year limited structural warranty.  
 
At Grand Design our goal is simple – continue leading the industry with quality products while improving the customer’s RV experience before, during and after the sale. We strive for nothing less than customers for life and we would be honored to personally welcome you to the Grand Design RV family!