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The values presented on this site are for estimation purposes only. Your actual payment may vary based on several factors such as down payment, credit history, final price, available promotional programs and incentives. Applicable tag, title, destination charges, taxes and other fees and incentives are not included in this estimate.

Dealer Spike is not responsible for any payment data presented on this site. Please verify all monthly payment data with the dealership’s sales representative.

2021 Grand Design Momentum 399TH

13 FOOT GARAGE The 2021 Grand Design Momentum 399TH is a beast of a toy hauler! It's got a massive garage area for all your toys and a super spacious living area. The kitchen comes with top-notch appliances, and there's a luxurious bathroom too. Plus, the sleeping arrangements are really cozy, and the outdoor entertainment area is perfect for hanging out. It's definitely built for some serious adventures! Give us a call today 765-460-5635!
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  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Used-2021-Grand Design-Momentum 399TH
  • Pre-owned
  • In Transit
  • Stagecoach RV Sales & Service
  • 116784
  • 573FM4530M1116784
  • Trailer
  • Toy Hauler - Travel Trailer
  • WHITE/BLACK
  • 43 ft 1 in
  • 15900 lbs
  • 7
  • 3
  • 3
  • 3

2021 Grand Design Momentum 399TH

Extraordinary Living. Extreme Play.

The Momentum Fifth Wheel Toy Hauler is the point where absolute luxury meets mobile garage! We have completely raised the Toy Hauler bar by incorporating an elegant Master Bath and Master Suite (with full walk-in closet) into this unit! But trust us, we didn't ignore the Living and Garage areas. Check out our 360° tours and get a feel for the extraordinary space we've created. We know you will agree with us when we say that "The Momentum RV is the place to live well and play hard!".

Features may include:

Interior
  • central Vacuum System w/ Tools and Dust Pan
  • Raised Panel Hardwood Cabinet Doors w/Hidden Hinges
  • Sofa w/Headrest & Removable Swivel Tables (Includes Heat, Massage & LED Lighting Package
  • Plywood Drawer Bottoms
  • Central Vacuum System w/ Tools and Dust Pan
Exterior
  • High-Gloss Gel Coat Exterior Sidewalls
  • Under Mount 16" Spare Tire
  • Door Side Exterior Spray Port
  • 6-Point Hydraulic Leveling System
  • Keyed Alike™ Ramp Door Latches
  • 2nd Power Patio Awning w/ LED Lights
  • Front and Back Under Unit Blue LED Light Kit
  • Pre-owned
  • 116784
  • 2021
  • Grand Design
  • Momentum 399TH
  • Trailer
  • Toy Hauler - Travel Trailer
  • Grand Design Momentum
  • 573FM4530M1116784
  • 43 ft 1 in
  • 15900 lbs
  • 3400
  • 20000
  • GREY
  • 155 gal
  • 104 gal
  • 104 gal
  • 3 gal
  • 7
  • 3
  • 3
  • 3
  • Yes
  • 60 gal
    • Bath and a Half
    • Double Bed
    • Front Bedroom
    • King Bed
    • Kitchen Island
    • Rear Living Area
    • Mid Bath
    • Mid Kitchen
    • Two Bedrooms
    • Loft
    • Rear Dinette
    • Auto Level
    • DVD Player
    • Fireplace
    • Flat Panel TV
    • Microwave Oven
    • Oven / Range
    • Pass Through Storage
    • Power Awning
    • Roof Ladder
    • Shower
    • Wardrobe / Closet
    • Washer / Dryer Prep
    • Sofa
    • Patio Deck
    • Jack Bed
    • Solar Inverter Prep
    • AM / FM Radio
    • 3 Burner Cooktop
    • Bluetooth Audio
    • Fresh Water Toilet
    • LED Lighting
    • Multi-Fuel Refrigerator
    • Outside Speakers
    • Outdoor Shower
    • TV Antenna / Cable Hookup
  • 15900 lbs
  • 20000 lbs
  • 3400 lbs
  • 7000 lbs
  • 155 Gal
  • 104 Gal
  • 104 Gal
  • 12 Gal
  • 60 Gal
  • 60 lbs
  • 3
  • 35000 BTU | Fireplace: 5000 BTU
  • 43' 1"
  • 13' 5"
  • Frame Size: 12" Main Rail I-Beam/10"Drop Rail
  • 14' & 16'
  • 60" X 80" Queen
  • Main: 45 | Garage: 40
  • 11
  • 40
  • Aluminum Cage

Advertised pricing excludes applicable taxes title and licensing, dealer set up, destination, reconditioning and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.