2021 Grand Design Momentum 399TH

SOLD - NO LONGER AVAILABLE  Facebook (Opens In A New Window) LinkedIn (Opens In A New Window) Reddit (Opens In A New Window) Twitter (Opens In A New Window)
MSRP $134,941
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  • 2021 Grand Design Momentum 399TH

Options On This Model

  • 2nd A/C Bedroom 15K BTU
  • 3rd A/C 15K BTU (Garage)
  • 3rd A/C Prep (Garage)
  • 18 Cu. Ft. Refer (Non-R Models) or 18 CU. Ft. Residential Refer (R Models)
  • CDL Fee
  • Exterior Entertainment Center
  • Gen II 3 Season Door w/ Sliding Windows (N/A w/ Garage Screen Wall "Pull Down")
  • Happi-Jac Electric Bunk System w/ Folding Sofa
  • Heat Pump
  • Momentum Exterior Package
  • Momentum Garage Package
  • Momentum Interior Package
  • Premium V4 Rockford Fosgate Speaker Upgrade w/ Amps & Int/Ext Subs
  • RVIA Seal
  • Solar Prep
  • Under Unit LED Light Kit
  • Weather-Tek Insulation Package
  • Generator - Onan 5.5KW Gasoline Generator
  • Slide-Out Toppers
  • Upgraded Cooper H-Rated Tires w/ 17.5" Wheels
  • Super Sofa Upgrade
  • Full-Body Paint Black & Burgundy
  • Auxiliary Fresh Water Tank (40 Gallons)
  • Winterization

  • Doing our part to spread the joy of the camping lifestyle!

About these values
BrandGrand Design
TypeFifth Wheel
Stock ID9961
UVW15,900 lbs
Dry Hitch3,400 lbs
GVWR20,000 lbs
Length (ft,in)43' 1"
Width (ft,in)8'
Height (ft,in)13' 5"
Fresh Tank155 gal
Gray Tank104 gal
Black Tank104 gal
Awning14 '
2nd Awning16 '
Toy HaulerYES
Garage Length13'
Fuel Station60 gal


Drop Frame Chassis
Aluminum Framed
High-Gloss Fiberglass

Folding Roof Ladder
7000# Axles
Aluminum Rims

Power Awning
50-Amp Service
Generator Prep
35k Furnace

15k A/C 
LED Lighting
Central Vacuum

Sofa w/Heat/Massage
Night Shades
Entertainment System
Solid Surface Counters
Stainless Steel Sink
Undermount Sink
Underbed Storage

Shower Skylight
Garage Ram Vents
Diamond Plate

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Notice:  Terms and payment amounts are not an offer or extension of credit. Actual terms and payments will vary based on an applicants credit history and financial resources.

Notice:  The advertised price does not include sales tax, title, registration, or other service fees.