# Keystone Alpine 3912DS

> Two full baths, two bedrooms, bathroom with entry door

3912DS is a fifth wheel floor plan by Alpine (Keystone).

## Specs (2025 model year)

| Spec | Value |
| --- | --- |
| Length | 43 ft 2 in |
| Sleeps | 6 |
| Slide-outs | 4 |
| MSRP | $117,351 |

## Model years

2025, 2024, 2023. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/keystone/alpine/3912ds?year={year}`

## Overview

Two full baths and two separate bedrooms make the 3912DS one of the more livable fifth wheels in Keystone's Alpine lineup — the kind of layout that holds up on extended trips rather than just weekend getaways. The King bed anchors the main bedroom, while a kitchen island and fireplace give the living space a residential feel that's hard to fake in a trailer. That rear-facing entry door is a thoughtful touch, making it easy to come and go without cutting through the whole rig. Washer/dryer prep rounds out the full-time-friendly feature set.

## Floor plan tags

two full baths, two bedrooms, bathroom with entry door, rear bath

## Inventory

2 units currently for sale priced $64,999 to $69,995: https://rvenvy.com/fifth-wheel-trailers/keystone/alpine/3912ds/inventory

Floor plan diagram: https://images.rvenvy.com/43d5f9f4bca566d336ee0ea609a84d22f6f9c91a557681341e9c4aa465e05c11/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/keystone/alpine/3912ds