The all new Momentum G-Class Fifth Wheel is lighter than its brothers without sacrificing any features or functionality. With all of the quality and innovation that our family of Momentum owners love, it’s everything you need and nothing you don’t.
The Grand Design Momentum G-Class 320G is a mid-size fifth wheel toy hauler built for adventure and comfort, offering an 11-foot garage, bath-and-a-half layout, and spacious living with theater seating, fireplace, and a fully equipped kitchen. With a GVWR around 16,800 lbs, nearly 100 gallons of fresh water capacity, and a rear ramp that doubles as a patio, this camper blends rugged toy-hauling capability with luxury amenities for the perfect basecamp.
The all new Momentum G-Class Fifth Wheel is lighter than its brothers without sacrificing any features or functionality. With all of the quality and innovation that our family of Momentum owners love, it’s everything you need and nothing you don’t.
The Grand Design Momentum G-Class 320G is a mid-size fifth wheel toy hauler built for adventure and comfort, offering an 11-foot garage, bath-and-a-half layout, and spacious living with theater seating, fireplace, and a fully equipped kitchen. With a GVWR around 16,800 lbs, nearly 100 gallons of fresh water capacity, and a rear ramp that doubles as a patio, this camper blends rugged toy-hauling capability with luxury amenities for the perfect basecamp.
| Stock # | PB04597 |
| Location | Webster City |
| Year | 2026 |
| Make | Grand Design |
| Model | Momentum G-Class |
| Trim | 320G |
| Condition | NEW |
| Secondary Class | Bunkhouse, Toy Hauler |
| Dry Weight (LBS) | 12400 LBS |
| Hitch Weight (LBS) | 2300 LBS |
| Max Sleeping Count | 5 |
| Category Class | Fifth Wheel |
| Interior Color | ARTISAN |
| VIN | 573FM3826TBB04597 |
| Length (FT/IN) | 32' 0" |
| Gross Weight Rating (LB/KG) | 16400 LBS |
| Total Fresh Water Tank Capacity (GAL/L) | 98 |
| Total Gray Water Tank Capacity (GAL/L) | 52 |
| Total Black Water Tank Capacity (GAL/L) | 104 |
| Number Of Slideouts | 3 |
| General | |
|---|---|
| Exterior Color | WHITE |
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