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 350G is a luxury fifth wheel toy hauler built for serious adventure and year-round comfort. It features a 14’6″ garage with a half bath, a loft, and patio ramp, plus a spacious living area with 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 40 feet long and nearly 13,000 lbs dry, it’s packed with premium features like a tankless water heater, 30K BTU A/C, 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 350G is a luxury fifth wheel toy hauler built for serious adventure and year-round comfort. It features a 14’6″ garage with a half bath, a loft, and patio ramp, plus a spacious living area with 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 40 feet long and nearly 13,000 lbs dry, it’s packed with premium features like a tankless water heater, 30K BTU A/C, and all-season insulation.
For sale at Good Life RV in Webster City, Iowa. Give us a call today! 515-832-5715
| Stock # | PB04495 |
| Location | Webster City |
| Year | 2026 |
| Make | Grand Design |
| Model | Momentum G-Class |
| Trim | 350G |
| Condition | NEW |
| General | |
|---|---|
| Length (FT/IN) | 35' 0" |
| Hitch Weight (LBS) | 2600 LBS |
| Dry Weight (LBS) | 12950 LBS |
| Gross Weight Rating (LBS) | 18000 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 |
| Max Sleeping Count | 5 |
| Number Of Slideouts | 3 |
| Other Specifications | |
|---|---|
| Interior Color | DUSK |
| Exterior Color | WHITE |
| VIN | 573FM4220TBB04495 |
| Type | Fifth Wheel |
| Features | Toy Hauler |
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