New 2023 Grand Design Momentum 399TH Toy Hauler Fifth Wheel

Virtual Tour Video Tour
2023 399TH Features and Options
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 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!      

Options:
  • 18' CU FT REFER
  • 3RD AC
  • 3RD AC PREP
  • AUX FRESH WATER
  • BEDROOM AC
  • EXT ENTERTIN CENTER
  • FULL BODY PAINT
  • GENERATOR ONAN 5.5KW
  • GENII 3 SEASO DOOR W/SLD WIN
  • H RATED COOPER TIRES
  • HAPPI-JAC ELEC BUNK SYS W/SOFAS
  • KING BED UPGRADE
  • MOMENTUM EXT PKG
  • MOMENTUM GARAGE PKG
  • MOMENTUM INT PKG
  • MOMENTUM PATIO CHAIRS
  • PREMIUM V4 ROCKFORD FOSGATE
  • REAR ALUM DECK SYS W/PWR AWN
  • REAR PATIO STEPS
  • RVIA SEAL
  • SAFERIDE RV ROADSIDE ASS
  • SOLAR 2000W INVERTER
  • SUPER SOFA UPGRADE
  • UNDER LED LIGHT KIT
  • WASHINGTON ST SEAL
  • WEATHER-TEK INSULATION PKG
What Our Customers Are Saying

We are so happy we stayed local!

Anne was an excellent salesperson. She took her time to show us and help us over several months. Always gracious and considerate until we made a decision. We got a fair trade and a great deal.
Much in contrast to an unnamed out of town place where we were under intense pressure to buy the moment we stepped inside.
The rest of the staff were equally helpful. Financing was easy and straightforward.
- Joe
Price: $195,707
You Save: $61,712
Sale Price: $133,995
RV Country
Location: Laughlin, NV
Stock# 40600
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 1989503#
(enter this ID if prompted)
2023 399TH Specifications
Sleeps 3
Slides 3
Length 43 ft 1 in
Ext Height 13 ft 5 in
Interior Color SILVER MAPLE
Exterior Color BLACK W METALLIC SIL
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 573FM4538P1124183
For more information Contact Us

Momentum 399TH 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.