# Grand Design Momentum M-Class 344M

M-Class 344M is a fifth wheel floor plan by Momentum (Grand Design).

## Specs (2025 model year)

| Spec | Value |
| --- | --- |
| Length | 39 ft 11 in |
| Sleeps | 7 |
| Slide-outs | 0 |
| GVWR | 18,000 lbs |
| MSRP | $127,776 |

## Model years

2025. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-344m?year={year}`

## Floor plan tags

toy hauler

## Inventory

1 unit currently for sale: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-344m/inventory

Floor plan diagram: https://images.rvenvy.com/2debd79cc5a4c8ec2f7761c8254e5741ca387f4c78bbc6e4dc8b84e42978a2ac/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-344m