• 
  
• Ask Us About our Route 66 VIP package you get with any purchase. (includes KOA discounts, Extra service benefits, 24/7 technical assistance and more)
•         No FEES!!!

Great Unit:

Side Deck - 2 Patios with full setup 

Glass 3 season Patio doors, 4 Seasons 

5500 watt Onan Generator 

The 2019 Grand Design Momentum 399TH is a premium fifth-wheel toy hauler designed for those who seek luxury and functionality on the road. This model features a spacious and innovative layout, combining high-end living with robust cargo space. The Momentum 399TH boasts a large, rear garage area capable of accommodating ATVs, motorcycles, or other recreational gear, making it ideal for adventure enthusiasts. Inside, you'll find an opulent living space with a well-appointed kitchen, complete with stainless steel appliances, a residential-sized refrigerator, and an island with a breakfast bar. The living area offers plush seating, a large LED TV, and a fireplace, enhancing comfort and entertainment. The master suite includes a king-sized bed and a luxurious en-suite bathroom with a glass-enclosed shower. With premium finishes, advanced climate control, and a comprehensive set of amenities, the 2019 Grand Design Momentum 399TH is perfect for both long-term stays and short trips, delivering an unparalleled RV experience with style and durability.

Dimensions

Weight

Holding Tanks

Propane Tank(s)

Construction

Doors

Slideouts

Awning