2026 Grand Design Momentum 381MS
Toy Hauler · Fifth Wheel Toy Hauler · 43.92 ft · sleeps 6
The 2026 Grand Design Momentum 381MS is a toy hauler (fifth wheel toy hauler) built on a Momentum full-frame. At sleeps 6, 43.92 ft long, 17,722 lbs dry, it's positioned for owners who haul motorcycles, ATVs, or bikes.
Floor plan
Photos of the 2026 Grand Design Momentum 381MS
Walkthrough video
Video courtesy of RV Video Library on YouTube.
Full specifications
Dimensions
| Length | 43.92 ft |
|---|---|
| Slide-Outs | 3 |
Weights
| Dry Weight | 17,722 lbs |
|---|---|
| GVWR | 23,500 lbs |
Living
| Sleeps | 6 |
|---|---|
| Bunkhouse | No |
Tanks
| Fresh Water | 140 gal |
|---|---|
| Grey Water | 52 gal |
| Black Water | 104 gal |
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | No |
| Residential Fridge | No |
| Fireplace | No |
| Four-Season | No |
| Off-Road Capable | No |
Similar Toy Haulers to consider
Other toy haulers in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Grand Design Momentum 381MS sleep?
The 2026 Grand Design Momentum 381MS sleeps 6.
How long is the 2026 Grand Design Momentum 381MS?
The 2026 Grand Design Momentum 381MS is 43.92 feet long.
What's the dry weight of the 2026 Grand Design Momentum 381MS?
The 2026 Grand Design Momentum 381MS has a dry weight of 17,722 lbs and a GVWR of 23,500 lbs.
Where can I buy the 2026 Grand Design Momentum 381MS?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Grand Design" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
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