2022 Grand Design Momentum 399TH, Grand Design Momentum 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 2,500 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!      

Included Packages & OptionsMomentum Interior Package (see below)Momentum Exterior Package (see below)Momentum Garage Package (see below)Weather-Tek Insulation Package (see below)Under Unit LED Light KitBedroom A/C3rd A/C PrepExterior Entertainment CenterAuxiliary Fresh Water TankSolar Prep18' Cu. Ft. Refer.Gen II 3 Season Door with Sliding WindowsGenerator-Onan 5.5KW Gasoline Generator3rd A/CHeat Pump A/CKing Bed UpgradePremium V4 Rockford Fosgate Speaker Upgrade w/AMP & Int/Ext. SubsHappi-Jac Electric Bunk System w/Folding SofasRear Aluminum Deck System w/Rear Power Awning Momentum Patio ChairsSolar Package w/300W Panel, Controller & 2000W InverterUpgraded Cooper H-Rated Tires w/ 17.5" Wheels (Triple Axle)SafeRide RV Roadside AssitanceRVIA Seal

Interior Package49" Cl