2025 Grand Design Momentum M-Class 381MS

2025 Grand Design Momentum M-Class 381MS

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Exterior Colors:

  • Year 2025
  • Make Grand Design
  • Model Momentum M-Class
2025 Grand Design Momentum M-Class 381MS

2025 Grand Design Momentum M-Class 381MS

2025 Grand Design Momentum M-Class 381MS

Extreme R&R.

Our top-of-the-line Momentum M-CLASS 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
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

Dimensions

Overall Height 13' 6" | (w/opt. AC): 13' 6"
Overall Length 43' 11"
Overall Width 8' 5" | (w/ slide out): 14' 3"
Interior Height 8' 5"
Dimensions Standard Bed: 60 X 80 Queen Bed | Shower: 48 X 30
Garage Length 15'
Awning Size 18' 14'

Weights

Hitch Weight Capacity 3,440 lbs.
Unloaded Weight 15,800 lbs.
GVWR 22,500 lbs.

Capacities

Fresh Water Capacity 140 gal.
Gray Water Capacity 52 gal.
Black Water Capacity 104 gal.
LP Tank Capacity 60 gal
Sleeping Capacity 6
Fuel Capacity 60 lbs
Water Heater On-Demand
Refrigerator 20 cu. ft.

Features

Features Propane Tanks: 2 | Construction Type: Aluminum Cage | Slide Room R-Value: R-11 | Garage R-Value: R-40 | Slides: 3 | Awnings: 2
R-Value, Floor R-45
R-Value, Wall R-11
R-Value, Roof R-40

Operational

Furnace Output 35,000 BTU
Air Conditioner Output 30,000 BTU

Chassis

Axle Count 3

Wheels & Tires

Wheels 17.50 in.
Tires, Rear Specification ST215/75R17.5 LRH

Product Photography