PW PIRKAWAKKA

2026 Grand Design Momentum 351MS

Toy Hauler · Fifth Wheel Toy Hauler · 39.92 ft · sleeps 6

The 2026 Grand Design Momentum 351MS is a toy hauler (fifth wheel toy hauler) built on a Momentum full-frame. At sleeps 6, 39.92 ft long, 15,760 lbs dry, it's positioned for owners who haul motorcycles, ATVs, or bikes.

Floor plan

2026 Grand Design Momentum 351MS floor plan

Walkthrough video

Video courtesy of Campers Inn Walkthrough Videos on YouTube.

Full specifications

Dimensions

Length39.92 ft
Slide-Outs3

Weights

Dry Weight15,760 lbs
GVWR19,000 lbs

Living

Sleeps6
BunkhouseNo

Tanks

Fresh Water140 gal
Grey Water52 gal
Black Water104 gal

Amenities

Outdoor KitchenNo
Theater SeatingNo
Residential FridgeNo
FireplaceNo
Four-SeasonNo
Off-Road CapableNo

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 351MS sleep?

The 2026 Grand Design Momentum 351MS sleeps 6.

How long is the 2026 Grand Design Momentum 351MS?

The 2026 Grand Design Momentum 351MS is 39.92 feet long.

What's the dry weight of the 2026 Grand Design Momentum 351MS?

The 2026 Grand Design Momentum 351MS has a dry weight of 15,760 lbs and a GVWR of 19,000 lbs.

Where can I buy the 2026 Grand Design Momentum 351MS?

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.

Not sure if the 2026 Grand Design Momentum 351MS is right for you?

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