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    1. Home
    2. Fifth wheel trailers
    3. Keystone
    4. Montana
    5. 3915TB
    Keystone Montana 3915TB exterior

    Keystone Montana 3915TB

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

    • Rear bath
    • Front bedroom
    • Walk-thru bath
    • Loft
    • Two full baths
    • Two bedrooms
    • Bathroom with entry door
    MSRP

    $137,228

    Browse inventory (18)

    Find a Keystone Montana 3915TB

    See it in person or find a great deal nationwide.
    Browse inventory (18)

    Similar floor plans

    Fifth wheel trailers that share features with the Montana 3915TB, like front bedroom, washer dryer prep and fireplace.

    Alliance RV Paradigm 295MK exterior

    Alliance RV Paradigm 295MK

    Front bedroom, rear living area

    MSRP$112,962

    5 units available

    Alliance RV Paradigm 295MK floor plan
    Max weight

    16,000 lbs

    Length

    33 ft 3 in

    Sleeps

    4

    No image

    Eclipse Attitude 2814SS

    MSRP$106,787

    1 unit available

    Eclipse Attitude 2814SS floor plan
    Max weight

    14,000 lbs

    Length

    33 ft

    Sleeps

    8

    K-Z Durango D281RKD exterior

    K-Z Durango D281RKD

    MSRP$109,622
    K-Z Durango D281RKD floor plan
    Max weight

    12,995 lbs

    Length

    33 ft 6 in

    Sleeps

    4

    No image

    Forest River Shockwave 28FWGDX

    MSRP$105,055

    3 units available

    Forest River Shockwave 28FWGDX floor plan
    Max weight

    14,210 lbs

    Length

    33 ft 5 in

    Sleeps

    8

    No image

    Eclipse Stellar 28SKS

    MSRP$107,845

    1 unit available

    Eclipse Stellar 28SKS floor plan
    Max weight

    14,000 lbs

    Length

    33 ft

    Sleeps

    8

    Keystone Montana High Country 295RL exterior

    Keystone Montana High Country 295RL

    Front bedroom, rear living area, walk-thru bath

    MSRP$91,515

    78 units available

    Keystone Montana High Country 295RL floor plan

    RV Envy's expert take

    Consider: Limited pantry space

    Max weight

    15,300 lbs

    Length

    34 ft

    Sleeps

    6

    Keystone Cougar 290RLS exterior

    Keystone Cougar 290RLS

    Front bedroom, rear living area, booth dinette

    MSRP$80,670

    60 units available

    Keystone Cougar 290RLS floor plan
    Max weight

    12,900 lbs

    Length

    33 ft 8 in

    Sleeps

    6

    K-Z Durango Half-Ton D256RKT exterior

    K-Z Durango Half-Ton D256RKT

    Front bedroom, rear kitchen

    MSRP$90,502

    1 unit available

    K-Z Durango Half-Ton D256RKT floor plan

    RV Envy's expert take

    We like: Large, modern kitchen, Large living area

    Consider: Limited bathroom counterspace, Small nightstands

    Max weight

    11,500 lbs

    Length

    33 ft 3 in

    Sleeps

    5

    Other Montana floor plans

    Keystone Montana 3000RE

    MSRPTBD

    2 units available

    Keystone Montana 3000RE floor plan
    Max weight

    16,000 lbs

    Length

    35 ft 5 in

    Sleeps

    5

    Keystone Montana 3100RL

    MSRPTBD

    146 units available

    Keystone Montana 3100RL floor plan
    Length

    35 ft 11 in

    Sleeps

    4

    Keystone Montana 3120RL

    Rear living, kitchen island

    MSRPTBD

    13 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

    32 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

    4

    Keystone Montana 3123RL

    Front bedroom, rear living area

    MSRP$116,693

    55 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

    6 units available

    Keystone Montana 3130RE floor plan
    Max weight

    16,400 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

    4 units available

    Keystone Montana 3230CK floor plan
    Max weight

    16,680 lbs

    Length

    37 ft 5 in

    Sleeps

    6

    Keystone Montana 3231CK

    Front bedroom, rear living area, dual vanity

    MSRP$121,013

    57 units available

    Keystone Montana 3231CK floor plan

    RV Envy's expert take

    We like: Bathroom accessible with slides in, Peninsula extending countertop, Good bathroom countertop space

    Consider: Limited bathroom storage, Fragile pendant lights, Very limited living area storage

    Max weight

    16,680 lbs

    Length

    37 ft 5 in

    Sleeps

    4

    Keystone Montana 3440RL

    MSRPTBD

    3 units available

    Keystone Montana 3440RL floor plan
    Max weight

    16,735 lbs

    Length

    39 ft 2 in

    Sleeps

    3

    View all Montana floor plans →
    Keystone Montana 3915TB overview
    • Rear bath
    • Front bedroom
    • Walk-thru bath
    • Loft
    • Two full baths
    • Two bedrooms
    • Bathroom with entry door
    Keystone Montana 3915TB exterior

    Key facts

    MSRP
    $137,228
    Length
    43 ft
    Sleeps
    6

    Specs

    Dimensions

    Keystone Montana 3915TB floor plan
    Keystone Montana 3915TB floor plan

    Key facts

    MSRP
    $137,228
    Length
    43 ft
    Sleeps
    6

    AI summary

    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.

    RV Envy's expert take

    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
    Length
    43 ft
    Height
    13 ft 4 in
    Slideouts
    4
    Axles
    2

    Tanks & capacities

    Fresh water
    70 gal
    Gray water
    137 gal
    Black water
    98 gal

    Weight & towing

    Hitch weight
    2,780 lbs

    Accommodations

    Sleeps
    6
    Download brochure

    Available years

    202620252024
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