New 2025 Grand Design Momentum 397THS Toy Hauler Fifth Wheel

Experience year-round adventure with the Grand Design Momentum 397THS, featuring a spacious 13' 6" separate garage and luxurious dual full baths for ultimate comfort on the road!
Virtual Tour Video Tour Sale Pending
2025 397THS Features and Options

Grand Design Momentum 397THS Fifth Wheel Toy Hauler Highlights

  • Dual Entry
  • Two Full Baths
  • Kitchen Island
  • 13' 6" Separate Garage
  • Island with Bar Stools
  • Flip-Up Pet Dish in Garage

 

Adventure Awaits

Load up your toys, clothes, and food, and embark on your next adventure with the Grand Design Momentum 397THS. This fifth wheel is designed for smooth towing to your campsite, featuring a Fast Ramp rear ramp door, Ram-Air garage vents on both sides, and 2,500 lb. rated flush-mount tie-downs to keep your toys secure.

 

Comfort and Convenience

Enjoy the full bathroom and LED TV in the garage, with the option to add Happi-Jac rollover sofas/table with a top bed. The main living area offers a 49" LED TV, a fireplace, theatre seating, and a free-standing dinette, along with full kitchen amenities. The new Smart Sink includes a removable cutting board, produce strainer, and glass rinser, making meal prep a breeze.

 

Luxurious Living

Head to the front of the fifth wheel to find a full bathroom with a one-piece fiberglass shower, glass door, and teak seat. Rest comfortably on your queen bed, or opt for a king bed in the front bedroom.

 

Built for All Seasons

The Momentum fifth wheel toy haulers by Grand Design are perfect for year-round travel with your off-road toys. They feature superior construction with a thermal roof design, full-laminated walls, and a triple insulated garage floor. The MORryde CRE3000 suspension system, rubber pin box, and upgraded axle hangers ensure smooth towing.

 

Luxury Features

Inside, enjoy color-changing LED accent lighting, raised panel hardwood cabinet doors with hidden hinges, and a central vacuum system. Each toy hauler includes four packages:

  • Garage Package: Tuff-Ply gas and oil-resistant flooring
  • Weather-Tek Package: Stealth AC System
  • Interior Luxury Package: Solid surface countertops

 

Ready to elevate your travel experience? The Grand Design Momentum 397THS is your ticket to adventure and luxury on the road!

 

This price reflects the manufacturer's minimum advertised pricing policy. Contact us today for your exclusive, personalized quote—our best deals are just a conversation away!

What Our Customers Are Saying

Absolutely amazing and so kind!

Absolutely amazing and so kind! We have a hybrid travel trailer and we were getting tossed around traveling from the Denver area to Miles City Mt. During the trip we had a mishap with an hidden and illplaced clearance bar that resulted in roof damage and antenna damage. We called them from Douglas, Wy to see if they could at least install an anti-sway system. They were ready for us the minute we pulled - Lindsay
Price: $173,168
You Save: $53,391
Sale Price: $119,777
Campers Inn
Location: Tucker GA
Stock# 100942
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 2731453#
(enter this ID if prompted)
2025 397THS Specifications
Sleeps 4
Slides 3
Length 44 ft 2 in
Ext Width 8 ft 5 in
Ext Height 13 ft 5 in
Int Height 8 ft 5 in
Interior Color DUSK
Hitch Weight 3375 lbs
GVWR 20000 lbs
Dry Weight 15600 lbs
Fresh Water Capacity 140 gals
Grey Water Capacity 104 gals
Black Water Capacity 104 gals
Tire Size 17.5"
Furnace BTU 40000 btu
Fuel Capacity 60 gals
Available Beds Queen
Refrigerator Type 12V Stainless Steel
Refrigerator Size 20 cu ft
Cooktop Burners 3
Number of Awnings 3
Axle Weight 7000 lbs
Garage Size 13 ft 6 in
LP Tank Capacity 30 lbs
Water Heater Type On Demand
AC BTU 30000 btu
TV Info LR 49" LED TV, BR LED TV, Garage 32" LED TV
Awning Info 14', 12' & 10' Power w/LED Lights
Axle Count 3
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
Electrical Service 50 amp
VIN 573FM4638SBB03855
For more information Contact Us

Momentum 397THS Reviews

Be the first to tell other RVers what you think about this RV  Write a Review
Similar RVs and Floorplans

Loading

.

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.