Used 2022 Grand Design Momentum 399TH Toy Hauler Fifth Wheel
Bath and a half; Island bar top; Dual entry; side Patio
Discover the perfect blend of comfort, luxury, and adventure with this preowned 2022 Grand Design Momentum 399TH, available now from LazyDays powered by Campers Inn. Designed for travel enthusiasts and families who love to hit the road, this toy hauler offers everything you need for unforgettable trips.
Step inside to find a spacious, modern interior with thoughtful layouts that make extended travel effortless. The Momentum 399TH features multiple sleeping areas, a fully equipped kitchen, and a comfortable living space with plenty of storage. Its open floor plan allows for easy movement, perfect for relaxing after a day of exploring.
Built for adventure, this model includes a large garage area for your toys, bikes, or extra gear. Whether you’re heading to a weekend getaway or a cross-country journey, the Momentum 399TH combines durability and luxury to make every mile enjoyable.
Travel with confidence thanks to Grand Design’s high-quality construction, including superior insulation and a robust chassis designed to handle long trips with ease. The RV is preowned but meticulously maintained, offering a like-new experience at a great value.
From scenic mountain drives to coastal road trips, the 2022 Grand Design Momentum 399TH makes every journey memorable. With LazyDays powered by Campers Inn, you can trust a seamless buying experience and access to expert support for all your travel needs.
Embrace the freedom of the open road. Make this 2022 Grand Design Momentum 399TH your ticket to adventure and start planning your next travel experience today.
Thank you, Sharon, for the outstanding service at Summerland RV. Its people like you that makes all the difference in the RV Industry. I called you as a Winnebago Dealership, you listened to what I needed, ordered the parts, and did not give me the traditional run around. I truly appreciated the leadership, sincerity in you organizing everything for me to come in to have the parts installed in a timely - Wallace
You Save: $9,000
Sale Price: $69,998
Stock# 111073Z
| Sleeps | 3 |
| Slides | 3 |
| Length | 43 ft 1 in |
| Ext Height | 13 ft 5 in |
| Hitch Weight | 3400 lbs |
| GVWR | 20000 lbs |
| Dry Weight | 15900 lbs |
| Fresh Water Capacity | 140 gals |
| Grey Water Capacity | 104 gals |
| Black Water Capacity | 104 gals |
| Tire Size | 17" |
| Furnace BTU | 40000 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 |
| TV Info | LR 49" LED TV, BR 32" LED TV, Garage 32" LED TV, Ext. LED TV |
| Awning Info | 14' & 16' Power w/LED Lights |
| Axle Count | 3 |
| Washer/Dryer Available | Yes |
| Shower Type | Sunken Tub/Shower |
| Electrical Service | 50 amp |
| VIN | 573FM4535N1120296 |
Momentum 399TH Reviews
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