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

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Live full throttle in a Momentum M-Class toy hauler fifth wheel by Grand Design! They are built on a triple axle, drop frame chassis for maximum capacity and storage, and are lightweight but not light in luxurious features. The M-Class redefines the look and feel of a toy hauler with upgraded interior accents, a painted front cap, and a Rota-Flex pin box. 

 

You will experience extraordinary living with features like the free standing table and chairs, the optional king bed, the elegant master bath, and master suite. The MORryde® CRE3000 suspension system, the 7,000 lb. axles with self adjusting brakes, and the West Lake® E-rated tires with NitroFill™ ensure you will arrive safely to each destination. There are four mandatory packages loaded with extra features to make your adventure even more luxurious too!

 

Start living well and playing hard with a Grand Design Momentum M-Class toy hauler fifth wheel today!

  • Momentum M-Class 349M

    Momentum M-Class 349M Floorplan Image

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    Grand Design Momentum M-Class toy hauler 349M highlights: Fireplace Kitchen ... more about Momentum M-Class 349M

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    Specifications

    Sleeps 5
    Slides 3
    Length 38 ft 11 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2925 lbs
    Gross Weight 17000 lbs
    Dry Weight 13600 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 52 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 13 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" 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 349M-R

    Momentum M-Class 349M-R Floorplan Image

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    Grand Design Momentum M-Class toy hauler 349M-R highlights: Fireplace Kitchen ... more about Momentum M-Class 349M-R

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    Specifications

    Sleeps 5
    Slides 3
    Length 38 ft 11 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2925 lbs
    Gross Weight 17000 lbs
    Dry Weight 13600 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 52 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Type Residential
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 13 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" 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 351M

    Momentum M-Class 351M Floorplan Image

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    Grand Design Momentum M-Class toy hauler 351M highlights: Fireplace Queen Bed ... more about Momentum M-Class 351M

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    Specifications

    Sleeps 5
    Slides 3
    Length 38 ft 6 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2785 lbs
    Gross Weight 16800 lbs
    Dry Weight 13800 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 78 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 11 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" 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 351M-R

    Momentum M-Class 351M-R Floorplan Image

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    Grand Design Momentum M-Class toy hauler 351M-R highlights: Fireplace Queen Bed ... more about Momentum M-Class 351M-R

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    Specifications

    Sleeps 5
    Slides 3
    Length 38 ft 6 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2785 lbs
    Gross Weight 16800 lbs
    Dry Weight 13800 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 78 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Type Residential
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 11 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" 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 381M

    Momentum M-Class 381M Floorplan Image

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    Grand Design Momentum M-Class toy hauler 381M highlights: Fireplace Queen Bed ... more about Momentum M-Class 381M

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    Specifications

    Sleeps 5
    Slides 3
    Length 42 ft 9 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2800 lbs
    Gross Weight 20000 lbs
    Dry Weight 14700 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 78 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 15 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" 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 381M-R

    Momentum M-Class 381M-R Floorplan Image

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    Grand Design Momentum M-Class toy hauler 381M-R highlights: Fireplace Queen Bed ... more about Momentum M-Class 381M-R

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    Specifications

    Sleeps 5
    Slides 3
    Length 42 ft 9 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2800 lbs
    Gross Weight 20000 lbs
    Dry Weight 14700 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 78 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Type Residential
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 15 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" 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 395M

    Momentum M-Class 395M Floorplan Image

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    Grand Design Momentum M-Class toy hauler 395M highlights: Loft Opposing Slides ... more about Momentum M-Class 395M

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    Specifications

    Sleeps 4
    Slides 3
    Length 41 ft 11 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 3150 lbs
    Gross Weight 20000 lbs
    Dry Weight 15400 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 52 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 12 ft 6 in
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" LED TV
    Awning Info 10' and 12' 6" 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 395MS

    Momentum M-Class 395MS Floorplan Image

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    Grand Design Momentum M-Class toy hauler 395MS highlights: Fireplace Queen Bed ... more about Momentum M-Class 395MS

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    Specifications

    Sleeps 4
    Slides 3
    Length 43 ft 8 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2900 lbs
    Gross Weight 20000 lbs
    Dry Weight 15600 lbs
    Fresh Water Capacity 100 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 104 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Number of Awnings 3
    Axle Weight 7000 lbs
    Garage Size 14 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" LED
    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 395MS-R

    Momentum M-Class 395MS-R Floorplan Image

    Take a Virtual Tour

    Grand Design Momentum M-Class toy hauler 395MS-R highlights: Fireplace Queen Bed ... more about Momentum M-Class 395MS-R

    Have a question about this floorplan? Contact Us

    Specifications

    Sleeps 4
    Slides 3
    Length 43 ft 8 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2900 lbs
    Gross Weight 20000 lbs
    Dry Weight 15600 lbs
    Fresh Water Capacity 100 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 104 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Type Residential
    Cooktop Burners 3
    Number of Awnings 3
    Axle Weight 7000 lbs
    Garage Size 14 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" LED
    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: Fireplace Queen Bed ... more about Momentum M-Class 398M

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    Specifications

    Sleeps 5
    Slides 3
    Length 43 ft 11 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2980 lbs
    Gross Weight 20000 lbs
    Dry Weight 15000 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 52 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 18 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" LED TV
    Awning Info 15' and 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 398M-R

    Momentum M-Class 398M-R Floorplan Image

    Take a Virtual Tour

    Grand Design Momentum M-Class toy hauler 398M-R highlights: Fireplace Queen Bed ... more about Momentum M-Class 398M-R

    Have a question about this floorplan? Contact Us

    Specifications

    Sleeps 5
    Slides 3
    Length 43 ft 11 in
    Ext Height 13 ft 5 in
    Exterior Color Blue, Burgundy, Burnt Orange, Silver, White Pearl
    Hitch Weight 2980 lbs
    Gross Weight 20000 lbs
    Dry Weight 15000 lbs
    Fresh Water Capacity 155 gals
    Grey Water Capacity 104 gals
    Black Water Capacity 52 gals
    Tire Size 16"
    Furnace BTU 35000 btu
    Fuel Capacity 60 gals
    Available Beds Queen
    Refrigerator Type Residential
    Cooktop Burners 3
    Number of Awnings 2
    Axle Weight 7000 lbs
    Garage Size 18 ft
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type Gas/Electric
    AC BTU 30000 btu
    TV Info LR 49" LED TV
    Awning Info 15' and 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 (2021)

 

Exterior

  • Under Mount 16” Spare Tire 
  • 6-Point Hydraulic Leveling System
  • Dual Pane Window Upgrade (Optional)
  • Back-Up Camera (Camera Prep Standard) (Optional)
  • Slide-Out Awning Toppers (Optional)
  • Keyed Alike™ Ramp Door Latches
  • 2nd Power Patio Awning w/ LED Lights 
  • 3rd Power Awning w/ LED Lights (Main Slide - 395M and 397TH) (Mandatory)
  • Front and Back Under Unit Blue LED Light Kit (Mandatory)
  • High-Gloss Gel Coat Exterior Sidewalls
  • Full Body Paint (Optional)
  • Door Side Exterior Spray Port

Construction

  • Straight Frame Chassis (12")
  • MORryde® CRE3000 Suspension System
  • Upgraded Axle Hangers

Interior

  • Interior Color Changing LED Accent Lighting 
  • Raised Panel 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
  • Super Sofa Upgrade - IPO Theatre Seats & Dinette (395M, 397TH, 399TH only) (Optional)
  • Plywood Drawer Bottoms

Kitchen

  • Microwave
  • 18 Cu. Ft. Refrigerator
  • 30" Stainless Steel Microwave w/ Ext. Vent
  • Residential Kitchen Faucet
  • Window Behind Range (349M, 351M, 381M, 398M, 397TH, 399TH) 
  • Kitchen Barstools w/ Extended Countertops (349M, 351M, 381M, 398M, 397TH, 399TH only)

Bedroom

  • Residential Style Headboard
  • Under Bed Storage Area (N/A 376THS)
  • Individually Switched Reading Lights Over Bed
  • Bedside 110-Volt Outlets
  • 60" X 80" Queen Pillow Top Bed Mattress
  • King Bed Upgrade (Optional)

Bathroom

  • One-Piece Fiberglass Shower w/Glass Door
  • Skylight Above Shower
  • Porcelain Toilet
  • Medicine Cabinet w/Mirrored Door

Audio & Video

  • Rockford Fosgate Speaker Package w/12" Sub and 300W Amp (Optional)
  • No-Crank Digital TV Antenna w/Booster
  • Satellite/Solar Roof Access Channel
  • TV Prep in Garage (N/A 376THS)
  • Exterior Entertainment Center w/LED TV (Optional) 

HVAC & Plumbing

  • 12v High Power Fan (Kitchen) (Mandatory) 
  • 12v High Power Fan - Garage (N/A with 3rd AC Option) (Optional)
  • 12V Tank Heaters (All Tanks)
  • 35k BTU High Capacity Furnace
  • Fireplace w/ 5,000 BTU Electric Heater
  • 15k BTU A/C - Middle/Main
  • 2nd 15k BTU A/C - Bedroom (Mandatory)
  • 3rd 15k BTU A/C (Optional)

Garage

  • Rear Cargo Loading & Backup LED Lights
  • Quick Set Ramp Door Patio System w/ Power Awning (N/A 376TH) (Optional)
  • 3-Season Garage Wall (NA w/ Pull Down Garage Screen Wall) (N/A 376THS) (Optional)
  • Happi-Jac Electric Bunk System w/Folding Sofas (N/A 376TH) (Optional)
  • Patio Steps (N/A 376TH) (Optional)

Utilities

  • OneControl™ 7" Touchscreen Control Panel w/App Controls and Redundant Slide Switches 
  • Generator Prep
  • Onan 5.5KW Gasoline Generator (Optional)
  • Solar Prep (10 gauge wiring with universal MC4 connectors)
  • Solitude Solar System (300w Solar Panel, Controller, 2000w Inverter) (Optional)

Packages 

Exterior Package - Mandatory

  • Satellite TV Prep (All TV Locations)
  • Aluminum Quad Entry Steps - Garage Entry (N/A 376THS)
  • 7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
  • 16” Aluminum Wheels (120PSI Rated)
  • West Lake® E-Rated Tires w/NitroFill™
  • 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 328M and 376THS) 
  • Partial Paint Gel Coat Fiberglass Front Cap
  • Solid Step Quad Entry Step - Main Entry

Garage Package - Mandatory

  • 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)

Interior Package - Mandatory

  • 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)

Weather-Tek Package - Mandatory

  • 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.

Manu-Facts:

Grand Design Logo
Thank you for taking the time to view and consider Grand Design RVs, where we build every RV to deliver more features and superior value for your dollar, then we back every one of our coaches with a 3-year limited structural warranty.
 
Every Grand Design RV is put through a series of quality inspection gates during the manufacturing process.  Once completed, the unit undergoes a comprehensive final finish inspection before being delivered to our dealer network for you to view or test drive.
 
We deliver the highest quality RVs in the industry, but anything built by humans can be subject to issues.  It’s how those issues are addressed that stands out with Grand Design. We stand behind our products, and stand ready to assist customers whenever needed.
 
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.