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    1. Home
    2. Fifth wheel trailers
    3. Keystone
    4. Montana
    5. 3812MS
    Keystone Montana 3812MS exterior

    Keystone Montana 3812MS

    MSRP

    $97,508

    Browse inventory
    Keystone Montana 3812MS floor plan
    Keystone Montana 3812MS floor plan

    Key facts

    MSRP
    $97,508
    Length
    40 ft 9 in
    Max weight
    16,600 lbs
    Sleeps
    4

    AI summary

    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.

    Owner reviews

    No owner reviews yet. If you've owned one, yours would be the first.

    Find a Keystone Montana 3812MS

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    Similar floor plans

    Other fifth wheel trailers floor plans (around 40 ft 9 in, near $98,000), similar in size and price to the Montana 3812MS.

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    Heartland Gravity GR 3640 exterior

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    Highland Ridge Open Range OF427BHS exterior

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    Forest River Cedar Creek 355LF exterior

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    K-Z Ridgeway 36MB exterior

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    Grand Design Solitude 377MBS exterior

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    MSRP$93,025

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    Grand Design Solitude 377MBS-R exterior

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    Jayco Eagle 355MBQS exterior

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    MSRP$93,549

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    RV Envy's expert take

    We like: Separate bunkroom, Bathroom accessible with slides in, Division of space, Built-in-desk

    Consider: Tight bathroom, Only one bunk bed, Minimal storage throughout, Very tight bunkroom

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    Other Montana floor plans

    Keystone Montana 3000RE

    MSRPTBD

    1 unit available

    Keystone Montana 3000RE floor plan
    Max weight

    16,000 lbs

    Length

    35 ft 5 in

    Sleeps

    5

    Keystone Montana 3075RL

    MSRPTBD

    1 unit available

    Keystone Montana 3075RL floor plan
    Max weight

    14,455 lbs

    Length

    34 ft 8 in

    Sleeps

    6

    Keystone Montana 3100RL

    Front bedroom, rear living area, outdoor TV

    MSRP$118,598

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    Length

    35 ft 11 in

    Sleeps

    4

    Keystone Montana 3120

    MSRPTBD

    1 unit available

    Keystone Montana 3120 floor plan
    Max weight

    16,350 lbs

    Length

    35 ft

    Sleeps

    4

    Keystone Montana 3120RL

    Rear living, kitchen island

    MSRPTBD

    18 units available

    Keystone Montana 3120RL floor plan

    RV Envy's expert take

    We like: Great TV viewing angle, Two awnings

    Consider: Limited bedroom storage

    Max weight

    16,000 lbs

    Length

    35 ft

    Sleeps

    4

    Keystone Montana 3121RL

    Rear living room, kitchen island, master closet

    MSRP$122,318

    31 units available

    Keystone Montana 3121RL floor plan

    RV Envy's expert take

    We like: Ceiling fan, Walk-in closet

    Consider: Limited counter space, Fragile pendant lights, Limited bedroom airflow, Limited kitchen cabinets

    Max weight

    16,350 lbs

    Length

    35 ft

    Sleeps

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    Keystone Montana 3123RL

    Front bedroom, rear living area

    MSRP$116,693

    39 units available

    Keystone Montana 3123RL floor plan

    RV Envy's expert take

    Consider: Limited bathroom counter space

    Max weight

    16,350 lbs

    Length

    35 ft 1 in

    Sleeps

    4

    Keystone Montana 3130RE

    MSRPTBD

    7 units available

    Keystone Montana 3130RE floor plan
    Max weight

    16,353 lbs

    Length

    35 ft 2 in

    Sleeps

    4

    Keystone Montana 3160RL

    MSRPTBD

    15 units available

    Keystone Montana 3160RL floor plan
    Max weight

    16,000 lbs

    Length

    35 ft 6 in

    Sleeps

    5

    Keystone Montana 3230CK

    MSRP$96,008

    1 unit available

    Keystone Montana 3230CK floor plan
    Max weight

    16,680 lbs

    Length

    37 ft 5 in

    Sleeps

    6

    View all Montana floor plans →
    Keystone Montana 3812MS overview
    Keystone Montana 3812MS exterior

    Key facts

    MSRP
    $97,508
    Length
    40 ft 9 in
    Max weight
    16,600 lbs
    Sleeps
    4

    Specs

    Dimensions

    Length
    40 ft 9 in
    Height
    13 ft 4 in
    Width
    8 ft
    Slideouts
    3
    Axles
    2

    Tanks & capacities

    Fresh water
    66 gal
    Gray water
    88 gal
    Black water
    49 gal

    Weight & towing

    Dry weight
    14,119 lbs
    GVWR
    16,600 lbs
    Hitch weight
    2,620 lbs
    3/4 ton truck required
    New Ford F-250, RAM 2500, Sierra 2500, or bigger

    Based on overall weight and weight directly on tow vehicle's hitch and a new model tow vehicle. Please consult with a professional.

    Accommodations

    Sleeps
    4
    Download brochure
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