2022 Grand Design Momentum 399TH

RV Country Buckley
310 Chamberlain Rd.
Buckley, WA 98321
United States

2022 Grand Design Momentum 399TH
Fifth Wheel
Stock Number
VIN Number

Grand Design Momentum fifth wheel toy hauler 399TH highlights:
  • Fold-Down Side Patio
  • 13' Garage
  • Bath and a Half
  • Dual Entry
  • Island with Bar Stools
  • 60 Gallon Fuel Tank


Get ready for a lot of fun when you head out to the off-road park a special event or a long trip with your toys! You will love the garage with the Fast Ramp rear ramp door the Ram-Air garage vents on both sides the 2500 lb. rated flush-mount tie-downs and the protective diamond plate on the garage sidewalls. This area can become a bedroom or an extra living area if you want to add Happi-Jac rollover sofas/table with top bed option plus you will already have a half bath for convenience an LED TV and storage for your gear. The living and kitchen area is spacious with dual slides and a kitchen island with bar stools a free standing table and theatre seating or choose the super sofa option and everything you need to feed everyone. And the fold-down side patio offers an LED TV storage and a great place to relax outdoors above ground. There are many more features to enjoy and several options to customize your fifth wheel. And if you would prefer to have a residential refrigerator you should check out model 399TH-R!


The Momentum fifth wheel toy haulers by Grand Design are built for four seasons of travel with your off-road toys and include luxurious accommodations throughout for extreme living! Each is constructed to a superior standard with the thermal roof design the full-laminated walls the triple insulated garage floor in most toy haulers the insulated gooseneck and the Rail-Tite underbelly seat. The MORryde CRE3000 suspension system and rubber pin box plus the upgraded axle hangers provide the performance and smooth towing you desire while the interior offers luxury such as color changing LED accent lighting raised panel hardwood cabinet doors with hidden hinges a sofa with headrest and removable swivel tables which include heat massage and LED lighting package and a central vacuum system with tools and dust pan. Start your extreme playtime now with a Momentum!      

RV Dealer in
310 Chamberlain Rd.
Buckley WA 98321
United States