# Grand Design Momentum 397TH

397TH is a fifth wheel floor plan by Momentum (Grand Design).

## Specs (2025 model year)

| Spec | Value |
| --- | --- |
| Length | 44 ft 2 in |
| Sleeps | 9 |
| Slide-outs | 0 |
| GVWR | 20,000 lbs |
| MSRP | $148,933 |

## Model years

2025, 2024, 2023, 2022, 2021. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/397th?year={year}`

## Floor plan tags

loft, front bedroom

## Inventory

22 units currently for sale priced $48,775 to $184,714: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/397th/inventory

Floor plan diagram: https://images.rvenvy.com/8c5844ae711b412d1a9634819eb837fadc4ef0d5c511c3d806989cd8055b8f16/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/397th