New and used 399TH Momentum by Grand Design RVs for sale

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New 2023 Grand Design Momentum 399TH image
New 2023 Grand Design Momentum 399TH
  • $127,995.00
  • RV COUNTRY FIFE, WA
  • Fife, WA
View Details
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!      

New 2023 Grand Design Momentum 399TH image
New 2023 Grand Design Momentum 399TH
  • $109,998.00
  • CAMPERS INN RV HUNTSVILLE-MADISON
  • Madison, AL
View Details

Experience Ultimate Adventure with the New 2023 Grand Design Momentum 399TH at Campers Inn RV!

When luxury meets rugged capability, you get the 2023 Grand Design Momentum 399TH, a fifth-wheel toy hauler that redefines how you travel and play. With its exceptional design, high-end amenities, and versatile functionality, this RV is perfect for thrill-seekers who refuse to compromise on comfort.

 

Key Features of the Grand Design Momentum 399TH

  • Spacious Garage: Boasting a 13-foot garage with a dovetail ramp, tie-downs, and convertible seating, it’s perfect for bringing along ATVs, motorcycles, or other adventure gear.
  • Luxurious Living Area: The open-concept living space features reclining theater seating, an LED fireplace, and a 49” LED HDTV for ultimate relaxation after a day of fun.
  • Gourmet Kitchen: Equipped with solid-surface countertops, a residential refrigerator, a convection microwave, and a three-burner stove, the kitchen feels just like home.
  • Private Master Suite: Unwind in the king-size bed with ample storage, USB charging ports, and a wardrobe slide-out for added convenience.
  • Spacious Bathrooms: Two full bathrooms with modern fixtures ensure that everyone has the privacy and comfort they need.
  • Outdoor Entertainment: Includes an exterior TV, speakers, and an electric awning for hosting outdoor gatherings or relaxing in the shade.
  • Off-Grid Capabilities: Equipped with solar prep, an Onan generator, and large holding tanks, this RV supports extended off-the-grid adventures.
  • Exceptional Build Quality: Grand Design’s renowned craftsmanship ensures durability and performance, no matter the terrain.

 

Why the Grand Design Momentum 399TH is Perfect for You

  1. Unmatched Versatility: Combines luxurious living with ample storage for all your adventure gear.
  2. Innovative Design: Features like the garage-to-living space transition and elevated sleeping quarters maximize functionality.
  3. Year-Round Comfort: Stay cozy with an insulated underbelly and weather-resistant materials for all-season travel.
  4. Adventure-Ready: Ideal for adrenaline junkies who love bringing their toys along for the ride.
  5. Luxury Finishes: Offers the upscale amenities you’d expect from a high-end residential space.

 

Why Buy from Campers Inn RV?

  • Experience You Can Trust: With over five decades of RV expertise, we guide you to the perfect model for your lifestyle.
  • Top-Tier Selection: From the latest models to pre-owned gems, we carry a wide range of options to meet every need.
  • Exceptional Customer Care: Our team is dedicated to ensuring your RV experience is smooth from start to finish.
  • Comprehensive Services: From financing to maintenance, we’re your one-stop shop for all things RV.
  • Community Focused: At Campers Inn RV, we value building relationships and making your RV dreams a reality.

 

Start Your Adventure Today

The New 2023 Grand Design Momentum 399TH is your ticket to luxury, adventure, and unforgettable memories. Whether you're hitting the trails or lounging in style, this RV delivers everything you need and more.

 

Visit Campers Inn RV today to explore the Momentum 399TH and let our team help you gear up for your next big adventure! Your journey begins here.

Used 2017 Grand Design Momentum 399TH image
Used 2017 Grand Design Momentum 399TH
  • $72,995.00
  • RV COUNTRY SPARKS, NV
  • Sparks, NV
View Details
You can pack a whole lot of fun into this Momentum toy hauler fifth wheel by Grand Design!  Model 399TH offers a 13' garage for the toys, plenty of sleeping space for a few extra buddies to tag along, and kitchen and bath amenities like home. Check it out....one and a half baths, a fireplace, an 18 cu. ft. refrigerator, and a fold down side patio, plus so much more!  How's that for living on the edge....of fun that is!

With 13' of toy parking space you can take it all.  The rear ramp door will make loading and unloading a snap.  You can even choose a rear ramp door patio option as well. Inside the garage area you will find an LED TV, overhead cabinets in the corner, an overhead loft near the front of the garage, and a half bath so you can easily keep all the dirt and grim out of the main living space.  You can even add an optional Happi-Jac with rollover sofas including a top bed for added seating and sleeping space once the toys are removed. In the cargo area there is a side man entry door for quick access to the garage and half bath, a location that has been prepped for a washer and dryer.

Head into the main living area to find a sliding glass door to a fold-down side patio to enjoy a little down time outdoors along the curb sideOn the inside of this cool toy hauler you will find a home like space filled with everything you need to relax and refuel for another day of fun.  There are dual opposing slides in the main living room and kitchen area.  An 18 cu. ft. refrigerator will keep all of your cold stuff cold, and there is a three burner range and overhead microwave oven for all of your cooking needs.  These are both found in a slide out along the curb side.  A center island features a double sink, plus added countertop prep space.

Opposite along the road side another slide with a free standing dinette and theater seating for two.  You can opt. for a super sofa instead.  An entertainment center with an LED TV and fireplace below are along the angled outer bathroom wall and easily viewable from the seating in the room.

Head up the steps to a front master bedroom and complete bath. The bath is found on your right at the top of the steps up and includes a large shower with skylight and seat, linen cabinet, toilet, and vanity with vessel bowl sink. A second bath entry door slides to allow easy access right into the front master.

In the bedroom you can easily rest and enjoy a little down time. There is a comfortable queen or optional king size bed, dual nightstands, overhead cabinets, and a slide out closet with drawers for all of your clothing storage.

You will appreciate the convenience of the unobstructed pass-through storage compartment when loading and unloading your outdoor gear, plus the universal docking station, and much more inside and out!
New 2024 Grand Design Momentum 399TH image
New 2024 Grand Design Momentum 399TH
  • $124,998.00
  • CAMPERS INN RV TUCKER, GA
  • Tucker, GA
View Details

Grand Design Momentum Fifth Wheel Toy Hauler 399TH Highlights:

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

 

Get ready to elevate your adventure with the Grand Design Momentum 399TH Fifth Wheel Toy Hauler! Whether you're heading to an off-road park, a special event, or on a long road trip, this toy hauler has everything you need to make your experience unforgettable.

 

The 13' garage is designed for your toys with features like a Fast Ramp rear ramp door, 2,500 lb. rated flush-mount tie-downs, and protective diamond plate on the sidewalls. Plus, the Ram-Air garage vents on both sides provide optimal airflow. This versatile space can transform into an additional bedroom or living area with the optional Happi-Jac rollover sofas/table with top bed, plus you’ll have your very own half bath, LED TV, and ample storage for all your gear.

 

Inside, the spacious living and kitchen area welcomes you with dual slides, a center island with bar stools, a free-standing table, and luxurious theatre seating (or choose the super sofa option). With everything you need to make meals for the crew, you’ll enjoy all the comforts of home while on the go.

 

The fold-down side patio adds even more outdoor living space, complete with an LED TV, storage, and an elevated area for relaxation above ground.

 

Built for All Seasons, All Adventures
The Momentum 399TH is built to handle extreme weather conditions and outdoor adventures year-round. Featuring a thermal roof design, full-laminated walls, and a triple-insulated garage floor, this toy hauler ensures maximum durability and comfort, no matter the season.

 

The MORryde CRE3000 suspension system, upgraded axle hangers, and rubber pin box provide a smooth towing experience, while the interior is designed with luxury in mind. Enjoy color-changing LED accent lighting, raised panel hardwood cabinet doors with hidden hinges, and a central vacuum system to make cleanup a breeze.

 

Customize your toy hauler with four fantastic packages:

  • Garage Package: Featuring Tuff-Ply gas and oil-resistant flooring.
  • Weather-Tek Package: Equipped with a Stealth AC System for all-weather camping.
  • Interior Luxury Package: Solid surface countertops throughout.
  • Tech Package: Offering high-tech features for the ultimate convenience.

 

With the 60-gallon fuel tank and ample storage space, the Grand Design Momentum 399TH is designed to take you on your next adventure with ease and comfort.

 

 

Get Ready to Explore in Style—Choose the Momentum 399TH Toy Hauler Today!

New 2024 Grand Design Momentum 399TH image
New 2024 Grand Design Momentum 399TH
  • $124,989.00
  • CAMPERS INN RV OCALA, FL
  • Ocala, FL
View Details

Ready to elevate your RV experience to the next level? The new 2024 Grand Design Momentum 399TH is here, combining luxury, versatility, and cutting-edge technology. Designed for the ultimate adventure, this toy hauler is perfect for families, couples, and first-time buyers seeking a home on wheels with unparalleled comfort and convenience.

 

Bulletin/Highlight Features:

  • Massive Garage Space: Enjoy the freedom to bring your toys with the spacious 13-foot garage area, complete with an optional Happy Jack electric lift bed system and built-in tie-downs.
  • Luxurious Living Area: Relax in style with high-end residential furnishings, including a large sectional sofa, theater seating, and an oversized panoramic window for stunning views.
  • Gourmet Kitchen: Prepare meals like a chef in the fully equipped kitchen featuring a 3-burner cooktop, oven, large stainless steel refrigerator, and a spacious island with sink.
  • Advanced Technology: Stay connected and entertained with a state-of-the-art Wi-Fi system, integrated entertainment center, and prepped for solar panel installation.
  • Elegant Master Suite: Retreat to a king-size bed with a plush mattress, ample storage, and a private en-suite bathroom with a large shower and dual vanity.

 

Upgrades and Options:

  • Solar Power Package: Enhance your off-grid capabilities with the available solar power package, perfect for extended stays away from hookups.
  • Full-Body Paint: Choose the optional full-body paint for a sleek, custom look that stands out on the road.
  • Upgraded HVAC System: Ensure comfort in all climates with an optional upgraded HVAC system, including a 15,000 BTU air conditioner and additional vents for optimal airflow.

 

Exterior Description:

The 2024 Momentum 399TH boasts a striking exterior with a high-gloss gel-coated fiberglass finish, offering both durability and aesthetic appeal. The unit features a large, power-extended awning with LED lighting, creating the perfect outdoor living space. The rugged, heavy-duty rear ramp door and built-in LED lighting ensure ease of access to your garage area, while the integrated exterior speakers make for great outdoor entertainment.

 

Technical Details:

  • Length: Approximately 42 feet
  • Dry Weight: 14,000 lbs
  • GVWR: 17,500 lbs
  • Fresh Water Tank Capacity: 100 gallons
  • Gray Water Tank Capacity: 106 gallons
  • Black Water Tank Capacity: 53 gallons

 

Warranty Information:

The 2024 Grand Design Momentum 399TH comes with a comprehensive 2-year limited warranty that covers various components and systems, ensuring peace of mind on your travels. Grand Design is renowned for its commitment to quality and customer satisfaction, offering exceptional support and service.

 

Why Choose the Grand Design Momentum 399TH?

Ideal for families and adventure enthusiasts alike, the Momentum 399TH combines luxury with practicality. Its spacious design, advanced features, and high-quality construction make it the perfect choice for those seeking a versatile and comfortable RV experience. Whether you’re embarking on a cross-country road trip or enjoying a weekend getaway, this toy hauler ensures you travel in style and comfort.

 

Contact Us Today:

Ready to experience the ultimate in RV living? Visit us at Campers Inn RV of Ocala to explore the new 2024 Grand Design Momentum 399TH. Our knowledgeable and friendly team is here to help you find the perfect RV for your needs.

 

Location: Campers Inn RV of Ocala,

7677 US-441, Ocala, FL 34480     

Phone: (352) 622-7733

Website: Campersinn.com/ocala

 

Don’t miss out on this exceptional RV—contact us today to schedule a tour or get more information!

Used 2022 Grand Design Momentum 399TH image
Used 2022 Grand Design Momentum 399TH
  • $129,995.00
  • RV COUNTRY MESA, AZ
  • Mesa, AZ
View Details
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!      

Used 2021 Grand Design Momentum 399TH image
Used 2021 Grand Design Momentum 399TH
  • $97,000.00
  • JOHNSON RV FIFE
  • Fife, WA
View Details
Grand Design Momentum toy hauler 399TH highlights:
  • Dual Entry
  • Full and Half Bath
  • Exterior LED TV
  • 13' Separate Garage
  • Loft
  • Fold-Down Side Patio

 

Whatever your idea of adventure is, this Momentum toy hauler will make it even better! The fold-down side patio is the perfect party space, especially since there is also an exterior LED TV, and back on the interior, you'll find three more LED TVs for entertainment while staying indoors. The front master suite is going to provide you with the most comfort while you sleep, and the electric fireplace within the main living area is going to provide you with an extra bit of heat on chilly nights. The kitchen has an island with bar stools so that you can sit down and chat with the chef, and you can also choose to sit back in the theater seating with heat/massage to relax after a long day of biking or hiking. If you would prefer to have a residential refrigerator, you should check out model 399TH-R!

 

The very best adventures are waiting for you with the Grand Design Momentum toy hauler! The Momentum combines extreme play with extraordinary living so that you can have the best of both worlds. You won't have to miss out on any of your favorite features from home because the Momentum has just about everything. With the Weather-Tek insulation, you won't have to let anything hold you back from getting out and taking an adventure during any season, and the Tuff Ply gas-and-oil-resistant garage flooring is a quality base for your toys. The flush-mount tie-downs rated for 2,500 LBS will keep your gear in place as you travel, and there is a protective diamond plate on the garage sidewalls for additional protection. Some of the options that you can choose to add to your Momentum are the Solitude solar system and Rockford Fosgate speaker package.

New 2023 Grand Design Momentum 399TH image
New 2023 Grand Design Momentum 399TH
  • $136,995.00
  • RV COUNTRY LAUGHLIN, NV
  • Laughlin, NV
View Details
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!      

Used 2023 Grand Design Momentum 399TH image
Used 2023 Grand Design Momentum 399TH
  • $119,982.00
  • BRETZ RV & MARINE BOISE, ID
  • Boise, ID
View Details
Grand Design Momentum fifth wheel toy hauler 399TH highlights:
~OPTIONS LISTED BY MANUFACTURER,ACTUAL OPTIONS MAY VARY~
  • 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 a 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. 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. 

 

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, and the triple insulated garage floor. 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, and a central vacuum system. Each toy hauler also includes four packages, including the Garage Package with Tuff-Ply gas and oil resistant flooring, the Weather-Tek Package with a Stealth AC System, and the Interior Luxury Package with solid surface countertops!

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