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We do our best to keep listing details accurate, but pricing, specifications, and availability come from third-party sources and can change without notice. We can't guarantee accuracy, so please confirm the details with the dealer before making any decisions. See something inaccurate? Contact us.

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    1. Home
    2. Fifth wheel trailers
    3. Keystone
    4. Alpine
    Keystone Alpine 3720MD exterior

    Keystone Alpine 3720MD

    • Front bedroom
    • Rear living area
    MSRP

    $127,134

    Browse inventory (3)
    Keystone Alpine 3720MD floor plan
    Keystone Alpine 3720MD floor plan

    Key facts

    MSRP
    $127,134
    Length
    41 ft 5 in
    Max weight
    16,500 lbs
    Sleeps
    6

    Find a Keystone Alpine 3720MD

    See it in person or find a great deal nationwide.
    Browse inventory (3)

    Similar floor plans

    Fifth wheel trailers that share features with the Alpine 3720MD, like front bedroom, kitchen island and rear living area.

    Brinkley Model Z 2900 exterior

    Brinkley Model Z 2900

    Rear living, large kitchen, walk-thru bath

    MSRP$118,385

    200 units available

    Brinkley Model Z 2900 floor plan

    RV Envy's expert take

    We like: Unique bathroom layout, Large end tables, Televator provides more kitchen counter space, Ample storage

    Consider: Awkward toilet location

    Max weight

    14,995 lbs

    Length

    32 ft 11 in

    Sleeps

    5

    Grand Design Solitude 280RK exterior

    Grand Design Solitude 280RK

    Rear kitchen, walk-thru bath, rear window

    MSRP$116,786

    15 units available

    Grand Design Solitude 280RK floor plan

    RV Envy's expert take

    We like: Coffee bar, Bedroom TV faces bed

    Consider: No washer/dryer, Limited bedroom storage

    Max weight

    15,000 lbs

    Length

    32 ft 7 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

    Grand Design Solitude 280RK-R exterior

    Grand Design Solitude 280RK-R

    MSRP$116,786

    3 units available

    Grand Design Solitude 280RK-R floor plan
    Max weight

    15,000 lbs

    Length

    32 ft 7 in

    Sleeps

    4

    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

    Jayco Eagle 28.5RSTS exterior

    Jayco Eagle 28.5RSTS

    MSRP$91,964

    7 units available

    Jayco Eagle 28.5RSTS floor plan
    Max weight

    11,500 lbs

    Length

    32 ft 10 in

    Sleeps

    6

    Highland Ridge Silverstar XLT 264RLS exterior

    Highland Ridge Silverstar XLT 264RLS

    MSRP$93,068

    1 unit available

    Highland Ridge Silverstar XLT 264RLS floor plan
    Max weight

    11,500 lbs

    Length

    32 ft 7 in

    Sleeps

    6

    Grand Design Reflection 303RLS exterior

    Grand Design Reflection 303RLS

    Front bedroom, rear living area

    MSRP$87,049

    299 units available

    Grand Design Reflection 303RLS floor plan
    Max weight

    11,995 lbs

    Length

    32 ft 10 in

    Sleeps

    4

    Other Alpine floor plans

    Keystone Alpine 3010RE

    MSRPTBD

    5 units available

    Keystone Alpine 3010RE floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 1 in

    Sleeps

    5

    Keystone Alpine 3011CK

    Front bedroom, rear living area, walk-thru bath

    MSRP$110,453

    6 units available

    Keystone Alpine 3011CK floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 11 in

    Sleeps

    4

    Keystone Alpine 3011RE

    MSRPTBD

    3 units available

    Keystone Alpine 3011RE floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 1 in

    Sleeps

    5

    Keystone Alpine 3020RE

    MSRP$80,786

    4 units available

    Keystone Alpine 3020RE floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 2 in

    Sleeps

    4

    Keystone Alpine 3021RE

    MSRP$77,430

    3 units available

    Keystone Alpine 3021RE floor plan
    Max weight

    11,700 lbs

    Length

    34 ft 2 in

    Sleeps

    4

    Keystone Alpine 3100RE

    MSRP$100,148

    19 units available

    Keystone Alpine 3100RE floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 11 in

    Sleeps

    4

    Keystone Alpine 3100RL

    MSRPTBD

    2 units available

    Keystone Alpine 3100RL floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 1 in

    Sleeps

    4

    Keystone Alpine 3101RL

    MSRPTBD
    Keystone Alpine 3101RL floor plan
    Max weight

    15,000 lbs

    Length

    34 ft 1 in

    Sleeps

    4

    Keystone Alpine 3102RL

    MSRP$108,719

    2 units available

    Keystone Alpine 3102RL floor plan
    Max weight

    15,000 lbs

    Length

    35 ft 9 in

    Sleeps

    4

    Keystone Alpine 3120RE

    MSRPTBD
    No floor plan photo
    Max weight

    15,000 lbs

    Length

    34 ft 2 in

    View all Alpine floor plans →
    Keystone Alpine 3720MD overview
    • Front bedroom
    • Rear living area
    Keystone Alpine 3720MD exterior

    Key facts

    MSRP
    $127,134
    Length
    41 ft 5 in
    Max weight
    16,500 lbs
    Sleeps
    6

    Specs

    Dimensions

    Length
    41 ft 5 in
    Height
    13 ft 4 in
    Width
    8 ft 4 in
    Slideouts
    4
    Axles
    2

    Tanks & capacities

    Fresh water
    54 gal
    Gray water
    83 gal
    Black water
    49 gal

    Weight & towing

    Dry weight
    13,951 lbs
    GVWR
    16,500 lbs
    Hitch weight
    2,860 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
    6
    Download brochure

    Available years

    2025202420232022
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