# Keystone Montana 3812MS

Montana 3812MS is a fifth wheel floor plan by Keystone.

## Specs (2021 model year)

| Spec | Value |
| --- | --- |
| Length | 40 ft 9 in |
| Sleeps | 4 |
| Slide-outs | 3 |
| Dry weight | 14,119 lbs |
| GVWR | 16,600 lbs |
| MSRP | $97,508 |

## Model years

2021. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3812ms?year={year}`

## Overview

The kitchen is the centerpiece of the Keystone Montana 3812MS, built around a Modern Maple hardwood island with backlit double diamond glass inserts, solid surface countertops, an 18 cu ft four-door refrigerator, and a Suburban Elite Series cook top and oven alongside a 30" convection microwave. Opposing slides open up the living area considerably, where Thomas Payne theater seating with electric recliners, massage, and seat warmers sets the tone for the residential feel owners consistently praise. The master suite ships with a Queen bed standard and a memory foam mattress with Feran Ice cover, barn door entry, and a 32" TV, though a King bed upgrade is available. A central vacuum with interior, exterior, and toe-kick ports, backlit crown molding, and LED accent lighting under the kitchen counters are the kinds of details that distinguish the 3812MS as a serious extended-stay rig rather than a weekend hauler.

## Inventory

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Floor plan diagram: https://images.rvenvy.com/c3e35bfc59205331bc0be1ff3233b734eaec79c00c5fbb0af426b0aa97641eb7/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3812ms