# Keystone Montana 3915TB

> Rear bath, front bedroom, walk-thru bath, loft, two full baths

3915TB is a fifth wheel floor plan by Montana (Keystone).

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 43 ft |
| Sleeps | 6 |
| Slide-outs | 4 |
| MSRP | $137,228 |

## Model years

2026, 2025, 2024. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3915tb?year={year}`

## Overview

The 3915TB stands out for its loft that opens directly to the living area, giving the whole front of the rig an airy, expansive feel that's rare in a fifth wheel. Two full baths — including a walk-thru — and a dedicated rear bathroom with its own exterior entry door make sharing the space genuinely practical. The kitchen comes loaded with solid surface countertops, a high-rise pull-down faucet, and an oversized stainless sink, with an optional 20 cu. ft. 12V residential fridge that owners frequently call out as a highlight. La-Z-Boy furniture, a 5K BTU fireplace, and backlit crown molding round out an interior that earns its reputation as one of the more polished builds in the Montana lineup.

## We like

- Oversized fridge
- Expansive feel with loft open to living area

## Things to consider

- Limited space in kitchen
- Limited clearance in rear bedroom
- Limited bathroom counter space

## Floor plan tags

walk-thru bath, loft, two full baths, two bedrooms, bathroom with entry door, rear bath, front bedroom

## Inventory

18 units currently for sale priced $74,999 to $110,900: https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3915tb/inventory

Floor plan diagram: https://images.rvenvy.com/b757bcb8e27d871b52a59c88b1ca53a2375a69f40be47ab8c064172d51f2111c/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3915tb