Nationwide Delivery

New 2018 Grand Design Momentum 399TH

All of our Grand Design RVs come with a Utah Exclusive RV Warranty Forever - Nationwide
MSRP: $110,864
Payments From: $687 /mo.
St George, UT
Stock# MOM5799
Virtual Tour Warranty Forever
2018 399TH Specifications
Sleeps 7
Slides 3
Length 43 ft 4 in
Ext Width 8 ft 5 in
Ext Height 13 ft 5 in
Interior Color Mocha, Oakley
Exterior Color Burnt Orange, Silver, Blue, Burgundy, White Pearl
Hitch Weight 3400 lbs
Gross Weight 20000 lbs
Dry Weight 15900 lbs
Fresh Water Capacity 157 gals
Grey Water Capacity 104 gals
Black Water Capacity 104 gals
Tire Size 16"
Furnace BTU 40000 btu
Fuel Capacity 60 gals
Number Of Bunks 1
Available Beds Queen
Refrigerator Type 4 Door
Refrigerator Size 18 cu ft
Convection Cooking Yes
Cooktop Burners 3
Number of Awnings 2
Axle Weight 7000 lbs
Garage Size 13 ft
LP Tank Capacity 30 lbs.
Water Heater Capacity 12 gal.
Water Heater Type Gas/Electric
AC BTU 43500 btu
TV Info LR 49" LED, BR 32" LED, Garage 32" LED, Ext. LED
Awning Info 14' & 16' Power
Axle Count 3
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
Electrical Service 50 amp
VIN 573FM4534J1205799

2018 399TH Features and Options
Grand Design Momentum 399TH toy hauler highlights:
  • 13' Garage
  • Fold-Down Side Patio
  • Dual Entry
  • Bath and a Half
  • Kitchen Island
  • Fireplace
  • Exterior LED TV
  • Dual Enclosed Fuel Station
  • Spray Port
 

If your off-road toys have been calling your name, hitch up this Momentum 399TH fifth wheel toy hauler after loading your toys in the 13' garage. You will be able to clean up after getting muddy from the trails in the half bath in the garage or the full bathroom next to the bedroom.  The kids can sit on the bar stools at the kitchen island while you cook, or relax on the dinette and theater seats while watching the 49" LED TV and fireplace.  There are several options to choose from, and many more features to enjoy such as the dual entry doors, fold-down side patio with LED TV, and exterior unobstructed pass-through storage, plus more! 

 

With any Momentum toy hauler fifth wheel you will enjoy extraordinary living with extreme playtime with the Weather-Tek insulation for four seasons of protection, and a fully enclosed fuel pump station to keep the fun going the whole time.  The Tuff-Ply garage flooring is gas and oil resistant, plus triple insulated.  You will find 2,500 lb. rated flush-mount tie-downs to keep your toys secure while moving down the road. The interior includes a sofa with headrest and removable swivel table, a convection microwave, a central vacuum system with tools and a dust pan, and a satellite/solar roof access channel to mention a few highlights.  Any Grand Design Momentum allows you to keep your active lifestyle no matter where you decide to stay!  

What Our Customers Are Saying
Testimonial Photo

Thanks Doug, you were great to work with, and thanks for helping me and my family with the purchase of the coach. My mom and dad are very pleased as well, I will tell my friends about the great service we got at Nielson RV. - Grant
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ManuFacts
Grand Design Recreational Vehicles is a superior quality manufacturer of towable fifth wheel and travel trailer RV's. Based in Middlebury, IN, Grand Design RV focuses on providing the highest quality and more premium standard features than any other RV's in their class.

Founded by close friends Don Clark and brothers Ron and Bill Fenech (each having over 25 years of experience in the RV industry).  Although they have lead some of the most successful companies in the RV industry, and are proud of their accomplishments at Keystone RV, they recognized that it was becoming more difficult to stay in touch with the needs of customers, employees, and the products being built. 

So, in 2011 they began pursuing their dream of reconnecting on a more personal level with customers and dealers.  The result of that pursuit is Grand Design RV.  A company designed to create recreational vehicles that provide more features, better designs and unparalleled customer support!