# Heartland Milestone 333MB

333MB is a fifth wheel floor plan by Milestone (Heartland).

## Specs (2025 model year)

| Spec | Value |
| --- | --- |
| Length | 37 ft 10 in |
| Sleeps | 6 |
| Slide-outs | 4 |
| Dry weight | 11,800 lbs |
| GVWR | 15,000 lbs |
| MSRP | $96,195 |

## Model years

2025, 2024, 2023. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/heartland/milestone/333mb?year={year}`

## Floor plan tags

desk, mid bunk, front bedroom, rear kitchen

## Inventory

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

Floor plan diagram: https://images.rvenvy.com/a3da6b98210b2444ceb0fdf33af66ad9335480687314b41a7d92beb6dc9f0b18/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/heartland/milestone/333mb