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New 2024 Grand Design Momentum 399TH

Toy Hauler Fifth Wheel

Stock #96499

Mesa, AZ

13' Garage: Spacious enough for all your off-road toys, with robust tie-downs and protective diamond plate on the garage sidewalls.

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Sale Price: $124,989
MSRP: $171,037
Save: $46,048

Payments From: $899 /mo.

Sleeps 5
3 Slides
Kitchen Island

Bath and a Half

43ft Long
15,900 lbs
GRAPHITE

See All Specs

Specifications

Sleeps	5	Slides	3
Length	43 ft 1 in	Ext Width	8 ft
Ext Height	13 ft 5 in	Interior Color	GRAPHITE
Hitch Weight	3400 lbs	GVWR	20000 lbs
Dry Weight	15900 lbs	Fresh Water Capacity	155 gals
Grey Water Capacity	104 gals	Black Water Capacity	104 gals
Tire Size	17.5"	Furnace BTU	40000 btu
Fuel Capacity	60 gals	Available Beds	Queen
Refrigerator Type	12V Stainless Steel	Refrigerator Size	20 cu ft
Cooktop Burners	3	Number of Awnings	2
Axle Weight	7000 lbs	Garage Size	13 ft
LP Tank Capacity	30 lbs	AC BTU	30000 btu
TV Info	LR 49" LED TV, BR LED TV, Garage 32" LED TV, Ext. LED TV	Awning Info	14' & 16' Power w/LED Lights
Axle Count	3	Washer/Dryer Available	Yes
Number of LP Tanks	2	Shower Type	Sunken Tub/Shower
Electrical Service	50 amp	VIN	573FM4538RBB02667

Description

Looking to upgrade to a new RV but need to sell yours first? Click here to learn about our guaranteed 90-day sales program today!

Unleash Your Adventure with the Grand Design Momentum 399TH Fifth Wheel Toy Hauler

Get ready to take your adventures to the next level with the Grand Design Momentum 399TH fifth wheel toy hauler. Designed for thrill-seekers who crave luxury and convenience, this toy hauler combines top-notch features with rugged durability, making it perfect for any excursion.

Key Highlights:

Fold-Down Side Patio: Enjoy outdoor relaxation with an elevated view, complete with an LED TV and storage.

13' Garage: Spacious enough for all your off-road toys, with robust tie-downs and protective diamond plate on the garage sidewalls.

Bath and a Half: Convenience for you and your guests, ensuring no one has to wait.

Dual Entry: Easy access to different parts of the RV, enhancing convenience and functionality.

Island with Bar Stools: A stylish and functional kitchen island perfect for meal prep and casual dining.

60 Gallon Fuel Tank: Keep your toys running with a large fuel tank designed for extended adventures.

Ultimate Garage Space

The 13' garage is a standout feature, equipped with the Fast Ramp rear ramp door, Ram-Air garage vents on both sides, and 2,500 lb. rated flush-mount tie-downs. The protective diamond plate on the garage sidewalls ensures durability. Transform this space into a bedroom or extra living area with the optional Happi-Jac rollover sofas/table and top bed. You'll also find an LED TV, storage, and a convenient half bath in the garage.

Spacious Living and Kitchen Area

The living and kitchen area is designed for comfort and convenience. With dual slides, a kitchen island with bar stools, a free-standing table, and theater seating (or optional super sofa), you have ample space to relax and entertain. The well-equipped kitchen includes everything you need to prepare delicious meals for the whole crew.

Outdoor Entertaining

The fold-down side patio is perfect for enjoying the outdoors. Equipped with an LED TV and storage, this space allows you to relax and entertain above ground, offering a unique outdoor living experience.

Luxurious Interior

The Momentum 399TH is built for four-season travel, featuring thermal roof design, full-laminated walls, and a triple insulated garage floor. Inside, you'll find luxury touches like color-changing LED accent lighting, raised panel hardwood cabinet doors with hidden hinges, and a central vacuum system.

Smooth Towing and Durability

Enjoy smooth towing with the MORryde CRE3000 suspension system and rubber pin box, along with upgraded axle hangers. The toy hauler is designed for superior performance and durability, ensuring you reach your destination safely and comfortably.

Comprehensive Packages

Each Momentum toy hauler includes four packages:

Garage Package: Features Tuff-Ply gas and oil-resistant flooring.
Weather-Tek Package: Includes a Stealth AC System for optimal comfort.
Interior Luxury Package: Offers solid surface countertops and other high-end finishes.

Why Choose Little Dealer Little Prices RV a Campers Inn RV Company?

At Little Dealer Little Prices RV, a Campers Inn RV Company, we are dedicated to providing exceptional service and competitive prices. Our experienced team is here to help you find the perfect RV to match your adventurous lifestyle, ensuring a seamless and enjoyable buying experience.

Ready to Start Your Adventure?

Call, Click, Text, or Visit Us Today at Little Dealer Little Prices RV a Campers Inn RV Company and Find Your Away!

Embark on your next adventure with the Grand Design Momentum 399TH fifth wheel toy hauler. With its innovative design and luxury features, this toy hauler is ready to take you and your toys on unforgettable journeys. Don’t wait – your adventure starts now!

Stock 360 Tour & Stock Images may be shown. Colors & Specs may vary.

Options:

Fold-Down Side Patio
13' Garage
Bath and a Half
Dual Entry
Island with Bar Stools
60 Gallon Fuel Tank

Features

Standard Features (2024)

Exterior

Keyed Alike™ Ramp Door Latches
2nd Patio Awning w/ LED Lights
3rd Awning w/ LED Lights (Main Slide - 397THS & 410TH)
Interior Color Changing LED Accent Lighting
High-Gloss Gel Coat Exterior Sidewalls
Door Side Exterior Spray Port
Frameless Tinted Windows
Walk-On Roof
17.5" Spare Tire (Undermount)
Solid Step Quad Entry Step
Slam-Latch Baggage Doors
Mo-Secure

Construction

101" Wide Body Construction
5-Side Aluminum Cage Construction
Fully Enclosed and Heated, Underbelly and Storage Area

Running Gear

Upgraded Axle Hangers
Heavy Duty H-Rated Tires
Heavy Duty 7,000 lb. Axles with ABS Brakes
17.5" H-Rated Aluminum Wheels
MORryde® CRE3000 Suspension System
Anti-Lock Brake System

Frame & Chassis

6-Point Hydraulic Leveling System
MORryde® Pin Box
101" Wide Body Super Chassis w/Drop-Frame Storage

Interior

Interior Color Changing LED Accent Lighting
Hardwood Cabinet Doors w/Hidden Hinges
Sofa w/Headrest (Includes Heat, Massage & LED Lighting Package
Central Vacuum System w/ Tools and Dust Pan
Plywood Drawer Bottoms

Kitchen

Microwave
Residential Kitchen Faucet
Professional Grade Stainless Steel Cooktop
12-Volt High Power MaxxAir w/Rain Sensor
Window Behind Range
Kitchen Barstools w/ Extended Countertops (397THS, 399TH, 410TH only)
Smart Sink w/Removable Cutting Board, Produce Strainer and Glass Rinser

Electrical

Solar Prep (10 gauge wiring with universal MC4 connectors)
75 Amp Converter
12V Battery Disconnect

HVAC

12V High Power Fan (Kitchen)
35k BTU High Capacity Furnace
Fireplace w/ 5,000 BTU Electric Heater
StealthAC Smart AC System
Attic Vent
High Capacity Heat Ducts

Plumbing

Exterior Spray Port (Door Side)
12V Tank Heaters
Sewer Hose Storage Area
Whole House Water Filtration System
All-In-One Enclosed and Heated Utility Center

Bedroom

Under Bed Storage Area (N/A 376THS)
Individually Switched Reading Lights Over Bed
Bedside 110-Volt & USB Outlets
Window Above Master Bed Headboard
60" X 80" Queen Bed Pillow Top Bed Mattress

Bathroom

Skylight Above Shower
Porcelain Toilet
Medicine Cabinet w/Mirrored Door (N/A 410TH)
Undermount Lav Sink
One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat

Appliance

Fireplace with Electric Heater
Stainless Steel 20 Cu. Ft. Refrigerator
30" Over-The-Range Microwave

Electronics

OneControl™ System
Back-Up Camera Prep
Exterior Cable/SAT Plug-In
LED Smart TV in Living Area
LED TV in Bedroom
Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
Exterior Speakers
No-Crank Digital TV Antenna w/Booster
LED TV in Garage (N/A 376THS)

Packages

Exterior Package

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)
Cooper Tires 17.5" All-Steel H-Rated Tires
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

Luxury Interior Package

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)

Garage package

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)

Weather-Tek Package

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 the current environment, our features and options are subject to change due to material availability.

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RV Purchase Review
This is a quick review of my recent purchase of my Grand Design Momentum in Mesa, AZ. We were fortunate to have found the model of 5th wheel toy hauler in stock and equipped to our liking. Little Dealer offered us fait market trade-in value for our smaller Momentum and was competitive on pricing for

John from Eugene, OR
Not ready for us
Finance Department

Kenn from Salem, OR
Little Dealer Little Prices Review
This is THE BUSINESS you want to give your business to. They have the most amazing showroom, kindest employees, and fabulous selection of campers/RV's and even supplies. You won't regret supporting this local Arizona business. I didn't!

Jillian from Phoenix, AZ

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888-834-9581
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$ Get Internet Price $

Please contact us @ 928-350-2400 for availability as our inventory changes rapidly. Little Dealer Little Prices strives for accurate website information but is not responsible for misprints, typos, or errors on our website. Manufacturer or sample photos and specifications may be used in place of actual unit photos and specs. Monthly payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Prices exclude taxes, PDI, documentation and delivery fees, destination charges and fees. This offer expires when this information changes or the stock number is sold.

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.