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Grand Design Momentum M-Class 344M Toy Hauler Highlights:

  • Three A/Cs with Stealth A/C System for Maximum Cooling Power
  • Solar+ Package for Off-Grid Capability
  • Heavy-Duty 8K Axles with ABS Drum Brakes for Superior Towing
  • Onboard Yamaha 6kW Gas Generator for Power Anywhere
  • 11' Separate Garage with Optional Half Bath & Liftsuite System
  • Fireplace & Kitchen Pantry for a Residential Feel
  • Dual Opposing Slides & Two Power Awnings for Spacious Comfort

Built for Adventure, Designed for Comfort

The Grand Design Momentum M-Class 344M is built for thrill-seekers who want the best of luxury and utility. Load up your toys with ease using the ramp door and dovetail entry, then refuel with the 60-gallon fuel station before hitting the trails. The 11' separate garage includes an overhead bed and optional Liftsuite System, making it easy to convert into additional sleeping space. Add the optional half bath for even more convenience.

Inside, the dual opposing slides create an open and spacious feel, while the fireplace, L-shaped sofa with recline, and hybrid desk/dinette provide a cozy living area. The kitchen is fully equipped with generous counter space, a 20 cu. ft. refrigerator, professional-grade stainless steel cooktop, and solid surface countertops.


Unmatched Durability & Performance

  • Three A/Cs with Stealth A/C System for Efficient Cooling
  • Solar+ Package for Sustainable, Off-Grid Energy
  • Yamaha 6kW Gas Generator for Reliable Power Anywhere
  • 8K Axles with ABS Drum Brakes for Maximum Control & Stability
  • Thermal Roof Design & Triple Insulated Floors for All-Season Comfort
  • CRE3000 Suspension System for a Smooth Ride
  • Wide Rail Design with No Wheel Wells for Easy Loading
  • Luxurious Fiberglass Shower with Glass Door

The Momentum M-Class 344M is designed for those who demand power, durability, and luxury in one package. With off-grid capability, premium towing performance, and high-end interior features, this toy hauler is ready for any adventure.

Contact us today to confirm options and availability!

New 2025 Grand Design Momentum M-Class 344M

Type: Fifth Wheel
Condition: NEW
Year: 2025
Manufacturer: Grand Design
Brand: Momentum M-Class
Model: 344M
Weight (Dry/Gross): 15138 lbs / --
Sleeps: 5
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