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 2026 Grand Design Momentum G-Class 394G is a luxury fifth wheel toy hauler built for serious adventure and year-round comfort. It features a 15″ garage with a half bath, a loft, and patio ramp, plus a spacious living area with an L-Shaped lounger sofa, theater seating, fireplace, and a modern kitchen. With a private queen bedroom, full bath, and sleeping space for up to six, it blends rugged utility with upscale living. At just under 45 feet long and nearly 16,400 lbs dry, it’s packed with premium features like a tankless water heater, triple 30K BTU A/C’s, and all-season insulation.
For sale at Good Life RV in Webster City, Iowa. Give us a call today! 515-832-5715
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 2026 Grand Design Momentum G-Class 394G is a luxury fifth wheel toy hauler built for serious adventure and year-round comfort. It features a 15″ garage with a half bath, a loft, and patio ramp, plus a spacious living area with an L-Shaped lounger sofa, theater seating, fireplace, and a modern kitchen. With a private queen bedroom, full bath, and sleeping space for up to six, it blends rugged utility with upscale living. At just under 45 feet long and nearly 16,400 lbs dry, it’s packed with premium features like a tankless water heater, triple 30K BTU A/C’s, and all-season insulation.
For sale at Good Life RV in Webster City, Iowa. Give us a call today! 515-832-5715
| Stock # | PB04906 |
| Location | Webster City |
| Year | 2026 |
| Make | Grand Design |
| Model | Momentum G-Class |
| Trim | 394G |
| Condition | NEW |
| General | |
|---|---|
| Length (FT/IN) | 39' 0" |
| Hitch Weight (LBS) | 3500 LBS |
| Dry Weight (LBS) | 16400 LBS |
| Gross Weight Rating (LBS) | 22500 LBS |
| Total Fresh Water Tank Capacity (GAL/L) | 98 |
| Total Gray Water Tank Capacity (GAL/L) | 104 |
| Total Black Water Tank Capacity (GAL/L) | 52 |
| Max Sleeping Count | 7 |
| Number Of Slideouts | 3 |
| Other Specifications | |
|---|---|
| Interior Color | ARTISAN |
| Exterior Color | WHITE |
| VIN | 573FM4734TBB04906 |
| Type | Fifth Wheel |
| Features | Toy Hauler |
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