# Grand Design Momentum M-Class 351MS

M-Class 351MS is a fifth wheel floor plan by Momentum (Grand Design).

## Specs (2025 model year)

| Spec | Value |
| --- | --- |
| Length | 40 ft 6 in |
| Sleeps | 7 |
| Slide-outs | 0 |
| GVWR | 18,000 lbs |
| MSRP | $126,355 |

## Model years

2025, 2024, 2023. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-351ms?year={year}`

## Inventory

No units currently for sale. Search similar inventory: https://rvenvy.com/inventory

Floor plan diagram: https://images.rvenvy.com/c31ac298880f27cc2a999958b8a75bd02082bb00f62b4bcc9e8e2a00536426f6/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-351ms