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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.

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2024 Grand Design Momentum 399TH

  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New-2024-Grand Design-Momentum 399TH-Moses Lake WA
  • New
  • Moses Lake WA
  • ML2659
  • 573FM4533RBB01782
  • Trailer
  • Fifth Wheel

2024 Grand Design Momentum 399TH

Play hard. Rest Easy.

The Momentum series has truly raised the bar when it comes to Toy Haulers. With plenty of space for taking it easy and a garage for leaving the mess, the Momentum was meant for living well and playing hard.

Features may include:

Exterior
  • Keyed Alike™ Ramp Door Latches
  • 2nd Patio Awning w/ LED Lights
  • 3rd Awning w/ LED Lights
  • 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
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
  • Microwave
  • Residential Kitchen Faucet
  • Professional Grade Stainless Steel Cooktop
  • 12-Volt High Power MaxxAir Fan w/Rain Sensor
  • Window Behind Range
  • Kitchen Barstools w/ Extended Countertops
  • Fireplace with Electric Heater
  • Stainless Steel 20 cu. ft. Refrigerator
  • 30" Over-The-Range Microwave
  • Under Bed Storage Area
  • 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
  • Skylight Above Shower
  • Porcelain Toilet
  • Medicine Cabinet w/Mirrored Door
  • Undermount Lav Sink
  • One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat
  • Moses Lake WA
  • New
  • ML2659
  • 2024
  • Grand Design
  • Momentum 399TH
  • Trailer
  • Fifth Wheel
  • Grand Design Momentum
  • 573FM4533RBB01782
  • No
  • 13' 5"
  • 43' 1"
  • 8' 5" | w/ slide out: 13' 5"
  • Standard Bed: 60 X 80 Queen Bed | Shower: 48 X 30
  • 13'
  • 14' | 16'
  • Hitch / Pin: 3,400 lbs.
  • 15,900 lbs.
  • 20,000 lbs.
  • 140 gal.
  • 104 gal.
  • 104 gal.
  • 60 lbs.
  • 5
  • 60 gal.
  • On-Demand
  • 20 cu. ft.
  • 35,000 BTU
  • 30,000 BTU
  • 3
  • 17.50 in.
  • ST215/75R17.5 LRH
  • Propane Tanks: 4 | Construction Type: Aluminum Cage | Slide Room R-Value:R-11 | Garage R-Value: R-40 | Awnings: 2
  • R-45
  • R-11
  • R-40
  • 3

Get an Estimate for Your Payment

  • Estimated Payment
  • Calculation is estimate only.

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.