# Keystone Fuzion 428

> Bath and a half, front bedroom, loft

Fuzion 428 is a toy hauler floor plan by Keystone.

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 44 ft 11 in |
| Sleeps | 9 |
| Slide-outs | 3 |
| MSRP | $143,790 |

## Model years

2026, 2025, 2024, 2023, 2022, 2021. Year-specific specs: `https://rvenvy.com/toy-haulers/keystone/fuzion/428?year={year}`

## Floor plan tags

bath and a half, loft, front bedroom

## Inventory

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

Floor plan diagram: https://images.rvenvy.com/62152c606346e0567c2285c6cb9ce55fa9f372914352091fef36a138c9a3987e/1024.webp

Canonical page: https://rvenvy.com/toy-haulers/keystone/fuzion/428