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Grand Design Momentum Toy Hauler Fifth Wheel

The Grand Design Momentum toy hauler fifth wheels combine absolute luxury with a mobile garage giving you an extraordinary living space while you play hard at your favorite off-road destinations! 

 

Each is built on a wide body super chassis with drop-frame storage and a MORryde independent suspension 2.0 with disc brakes providing smoother towing plus improved towability. There is also a new worry-free composite roof, along with a Weather-Tec package, which will help extend your camping season. The Luxury Interior Package comes with a chef-inspired range and oven, recessed LED puck lighting, plus an LED TV in the living room to keep you entertained on rainy days. 

 

It's time for extreme adventure and luxurious accommodations, so choose a Momentum toy hauler fifth wheel by Grand Design today!

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Toy Hauler Fifth Wheel

  1. New 2026 Grand Design Momentum 344M
    Stock #15156
    Nipomo
    NO HIDDEN FEE'S! MANY EXTRAS INCLUDED! FULLY LOADED!
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    Preview Image #1 - New 2026 Grand Design Momentum 344M Toy Hauler Fifth Wheel - Stock #15156
    Preview Image #2 - New 2026 Grand Design Momentum 344M Toy Hauler Fifth Wheel - Stock #15156 - Floorplan
    Preview Image #3 - New 2026 Grand Design Momentum 344M Toy Hauler Fifth Wheel - Stock #15156
    New 2026 Grand Design Momentum 344M
    Stock #15156
    Nipomo
    NO HIDDEN FEE'S! MANY EXTRAS INCLUDED! FULLY LOADED!
    • 40ft long
    • 15,910 lbs
    • Sleeps 6
    • 3 slides
    • Bath and a Half
    • Loft
    ...View Floorplan
    • Our Price: $124,992
    • MSRP Sale Price: $179,113
    • Save: $54,121
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  2. New 2025 Grand Design Momentum 397THS
    Stock #14819
    Nipomo
    LOWEST PRICE IN THE WESTERN USA. MANY EXTRAS INCLUDED. NO HIDDEN FEES.
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    Preview Image #1 - New 2025 Grand Design Momentum 397THS Toy Hauler Fifth Wheel - Stock #14819
    Preview Image #2 - New 2025 Grand Design Momentum 397THS Toy Hauler Fifth Wheel - Stock #14819 - Floorplan
    Preview Image #3 - New 2025 Grand Design Momentum 397THS Toy Hauler Fifth Wheel - Stock #14819
    New 2025 Grand Design Momentum 397THS
    Stock #14819
    Nipomo
    LOWEST PRICE IN THE WESTERN USA. MANY EXTRAS INCLUDED. NO HIDDEN FEES.
    • 44ft long
    • 15,600 lbs
    • Sleeps 4
    • 3 slides
    • Kitchen Island
    • Loft
    ...View Floorplan
    • Our Price: $104,995
    • MSRP Sale Price: $173,509
    • Save: $68,514
    View Details »
    View Details »
    Virtual Tour th-instock
  3. New 2026 Grand Design Momentum 399M
    Stock #15024
    Nipomo
    NO HIDDEN FEE'S! MANY EXTRAS INCLUDED! FULLY LOADED!
    th-instock
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    Preview Image #1 - New 2026 Grand Design Momentum 399M Toy Hauler Fifth Wheel - Stock #15024
    Preview Image #2 - New 2026 Grand Design Momentum 399M Toy Hauler Fifth Wheel - Stock #15024 - Floorplan
    Preview Image #3 - New 2026 Grand Design Momentum 399M Toy Hauler Fifth Wheel - Stock #15024
    New 2026 Grand Design Momentum 399M
    Stock #15024
    Nipomo
    NO HIDDEN FEE'S! MANY EXTRAS INCLUDED! FULLY LOADED!
    • 45ft long
    • 19,170 lbs
    • Sleeps 4
    • 3 slides
    • Kitchen Island
    • Two Entry/Exit Doors
    ...View Floorplan
    • Our Price: $138,992
    • MSRP Sale Price: $199,887
    • Save: $60,895
    View Details »
    View Details »
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Showing 1 - 3 of 3
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Trailer Hitch RV is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @805-929-8095 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.