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New 2023 Grand Design Momentum 399TH-R

Toy Hauler Fifth Wheel

Stock #C26988

Colorado Springs CO

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MSRP: $179,279

Sleeps 3
3 Slides
Kitchen Island

Bath and a Half

43ft Long
15,900 lbs
SILVER MAPLE

See All Specs

Specifications

Sleeps	3	Slides	3
Length	43 ft 1 in	Ext Height	13 ft 5 in
Interior Color	SILVER MAPLE	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 Type	Residential
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	573FM4534PBB00153

Description

Grand Design Momentum fifth wheel toy hauler 399TH-R 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 plus a residential refrigerator to store all your cold items. 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 an 18-cubic foot RV refrigerator, you should check out model 399TH!

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 door 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!

Family Adventure Starts Here

Features

Standard Features

Exterior

Under Mount 17" Spare Tire
6-Point Hydraulic Leveling System
MORryde® Pin Box
Dual Pane Window Upgrade (Optional)
Back-Up Camera (Camera Prep Standard) (Optional)
Slide-Out Awning Toppers (Optional)
Keyed Alike™ Ramp Door Latches
2nd Power Patio Awning w/ LED Lights
3rd Power Awning w/ LED Lights (Main Slide - 397TH) (Mandatory)
Front and Back Under Unit Blue LED Light Kit (Mandatory)
High-Gloss Gel Coat Exterior Sidewalls
Full Paint Gel Coat Fiberglass Front Cap
Full Body Paint (Optional)
Door Side Exterior Spray Port

Construction

Drop Frame Chassis (12" over 10")
MORryde® CRE3000 Suspension System
Upgraded Axle Hangers

Interior

Interior Color Changing LED Accent Lighting
Raised Panel Hardwood Cabinet Doors w/Hidden Hinges
Sofa w/Headrest & Removable Swivel Tables (Includes Heat, Massage & LED Lighting Package)
Central Vacuum System w/ Tools and Dust Pan
Super Sofa Upgrade - IPO Theater Seats & Dinette (397TH, 399TH Only) (Optional)
Plywood Drawer Bottoms

Kitchen

Microwave
18 Cu. Ft. Refrigerator
Residential Kitchen Faucet
Window Behind Range (397TH, 399TH)
Kitchen Barstools w/ Extended Countertops (397TH, 399TH only)

Bedroom

Residential Style Headboard
Under Bed Storage Area (N/A 376THS)
Individually Switched Reading Lights Over Bed
Bedside 110-Volt Outlets
60" X 80" Queen Memory Foam Mattress
King Bed Upgrade (Optional)

Bathroom

One-Piece Fiberglass Shower w/Glass Door
Skylight Above Shower
Porcelain Toilet
Medicine Cabinet w/Mirrored Door

Audio & Video

Rockford Fosgate Speaker Package w/12" Sub and 300W Amp (Optional)
No-Crank Digital TV Antenna w/Booster
Satellite/Solar Roof Access Channel
32" Class LED TV in Bedroom
TV Prep in Garage (N/A 376THS)
Exterior Entertainment Center w/LED TV (Mandatory)

HVAC & Plumbing

12v High Power Fan (Kitchen)
12v High Power Fan - Master Bath
12V Tank Heaters (All Tanks)
35k BTU High Capacity Furnace
Fireplace w/ 5,000 BTU Electric Heater
Middle/Main A/C
2nd A/C - Bedroom (Mandatory)
Heat Pump A/C -Living Area (Optional)

Garage

Rear Cargo Loading & Backup LED Lights
Quick Set Ramp Door Patio System w/ Power Awning (N/A 376THS) (Optional)
3-Season Garage Wall (NA w/ Pull Down Garage Screen Wall) (N/A 376THS) (Optional)
Happi-Jac Electric Bunk System w/Folding Sofas (N/A 376THS) (Optional)
Patio Steps (N/A 376THS) (Optional)

Utilities

OneControl™ 7" Touchscreen Control Panel w/App Controls and Redundant Slide Switches
Generator Prep
Solar Prep (10 gauge wiring with universal MC4 connectors)
Solitude Solar System (300w Solar Panel, Controller, 2000w Inverter) (Optional)

Exterior Package - Mandatory

Satellite TV Prep (All TV Locations)
Aluminum Quad Entry Steps - Garage Entry (N/A 376THS)
7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
17” Aluminum Wheels (120PSI Rated)
West Lake® E-Rated Tires w/NitroFill™
Slam-Latch Baggage Doors
Frameless Tinted Windows
Aluminum Quad Entry Steps - Main Entry
Exterior Security Lights
Power Patio Awning w/LED Lighting
Folding Roof Ladder
White Gel Coat Fiberglass Front Cap
12V Battery Disconnect
All-In-One Exterior Utility Center
50 Amp Service
Converter
Enclosed Fuel Station w/ Dual Fuel Tank (Single Tank 376THS)
Full Paint Gel Coat Fiberglass Front Cap (376THS, 397TH, 399TH only)
Solid Step Quad Entry Step - Main Entry

Garage package - Mandatory

32" Class LED TV in Garage (397TH and 399TH only)
Protective Diamond Plate on Garage Sidewalls
2,500 lb. Rated Flush-Mount Tie-Downs
Ram-Air Garage Vents Both Sides (N/A 376THS)
Tuff-Ply Gas and Oil Resistant Garage Flooring
Fast Ramp Rear Ramp Door (N/A 376THS)
Triple Insulated Garage Floor (N/A 376THS)

Interior Package - Mandatory

49" Class LED TV in Living Area
Stereo Entertainment System w/Bluetooth and App Based Controls in Living Area
Washer/Dryer Prep
12 Gallon Gas/Electric Water Heater
Roller Shade Window Coverings (Main Living Area and Bedroom)
Recessed LED Puck Lighting
Solid Surface Countertops w/ Sink Covers
Stainless Steel Undermount Kitchen Sink
Chef Inspired Range & Oven w/ Cover
Kitchen Pantry w/ LED Light Strip
Garage Control Panel (N/A 376THS)

Weather-Tek Package - Mandatory

R-Value Equivalent (R-40 Roof / R-45 Floor / R-11 Sidewalls / R-40 Garage Floor / R-24 Slide room Floor)
Fully Enclosed and Heated, Underbelly and Storage Area
Enclosed and Heated Low Point Drains
Engineered Underbelly Airflow Heat Paths
Stealth AC System w/ Insulated A/C Ducts
Attic Vent
Plumbing Line Insulation Barrier

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to Covid19 supply chain issues, some features and options shown may be temporarily substituted or removed.

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Cousins RV is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @303-422-2001 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.

New 2023 Grand Design Momentum 399TH-R

399TH-R Floorplan

Specifications

Description

Features