Skip to main content

Keystone RV Montana High Country 377FL Fifth Wheel For Sale

  • Montana High Country 377FL Floorplan Image

    Take a Virtual Tour

    Keystone Montana High Country fifth wheel 377FL highlights:

    • Unique Dual Entry
    • Loft Over Bedroom
    • Rear Private Bedroom
    • Four Slides
    • Residential Refrigerator
    • Patent-Pending Windshield

     

    Include all of your favorite people on your next adventure in this Montana High Country fifth wheel! Not only is there a rear private bedroom with a king-size bed for you, but there is also a loft above with stairs that take you to the bunk mats. Now your kids will have their own space too. You can even host a few other travelers up front in the separate living room on the two hide-a-bed sofas. This area will be perfect for cozy sleeping because of the fireplace, and you can even watch a movie as you drift off to sleep because of the 50" LED TV too. The full bathroom has a 48" x 30" shower with seat, and the kitchen has a breakfast bar that you can sit at to eat your cereal each morning

     

    Live the high life with a Keystone Montana High Country fifth wheel! You'll have all the luxury you need with these units. They come with a MaxTurn™ front cap with KeyShield™ automotive-grade paint, a fully walkable roof with Alpha seamless TPO membrane system, and an insulated underbelly with forced hot air and electric tank heaters. The MORryde CRE3000 suspension with wet bolts helps provide a smooth tow, and the Ground Control® four-point electric auto-leveling with hitch memory will make set-up quite easy. The interior is elegantly appointed with the Thomas Payne Collection furniture, hardwood decorative slide-out fascia, Beauflor® vinyl throughout, accent crown molding, and premium solid surface kitchen countertops. 

    View All 377FL In Stock »
    We have 3 377FL available
    View Inventory

    Specifications

    Sleeps 8
    Slides 4
    Length 41 ft 11 in
    Ext Height 13 ft 4 in
    Interior Color Arlington, Kingston
    Hitch Weight 2620 lbs
    Dry Weight 13513 lbs
    Cargo Capacity 3107 lbs
    Fresh Water Capacity 75 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 39 gals
    Tire Size ST235/80R16G
    Furnace BTU 35000 btu
    Available Beds King
    Refrigerator Type GE Energy Star Residential with Ice Maker
    Refrigerator Size 18 cu ft
    Cooktop Burners 3
    Shower Size 48" x 30"
    Number of Awnings 1
    Axle Weight 7000 lbs
    LP Tank Capacity 30 lbs
    Water Heater Type On Demand
    AC BTU 15000 btu
    TV Info LR 50" LED Smart TV
    Awning Info 19' Electric with LED Lights
    Axle Count 2
    Washer/Dryer Available Yes
    Number of LP Tanks 2
    Shower Type Shower w/Seat
    Electrical Service 50 amp

    Similar Fifth Wheel Floorplans

Showing 1 - 3 of 3
Favorites ()

Fifth Wheel

  1. Stock #R11684
    Dewitt, MI
    2026 Keystone Montana High Country 377FL at Price Right RV. 42’5”, four slides, two full baths, loft, high-end features for Michigan families.
    Virtual Tour Holiday Special V1
    Previous Next
    Stock #R11684
    Dewitt, MI
    2026 Keystone Montana High Country 377FL at Price Right RV. 42’5”, four slides, two full baths, loft, high-end features for Michigan families.
    • Sleeps 8
    • 4 Slides
    • 42ft long
    • 13513 lbs
    • Front Living
    • Front Entertainment
    ...View Floorplan
    • Our Price: $84,900
    • MSRP: $111,038
    • You Save: $26,138
    Payments From: $569 /mo.
    Buy This RV
    View Details »
    Virtual Tour Holiday Special V1
  2. Virtual Tour GHOST-UNIT-INDICATOR_TAG-1 GHOST-UNIT-INDICATOR_TAG-2
  3. Stock #PRSH1323
    Sterling Heights, MI
    Virtual Tour GHOST-UNIT-INDICATOR_TAG-1 GHOST-UNIT-INDICATOR_TAG-2
    Previous Next
    Stock #PRSH1323
    Sterling Heights, MI
    • Sleeps 8
    • 4 Slides
    • 42ft long
    • 13513 lbs
    • Front Living
    • Front Entertainment
    ...View Floorplan
    Virtual Tour GHOST-UNIT-INDICATOR_TAG-1 GHOST-UNIT-INDICATOR_TAG-2
Showing 1 - 3 of 3
Location

Enter your location to find RVs nearest you


Price Disclaimer: Price Right RV publishes transparent, out-the-door pricing on all units. Prices exclude tax, title, and registration fees as required by state law. No freight or prep fees are ever charged.Except where explicitly stated otherwise.

Inventory Disclaimer: RV photos and specs may use manufacturer stock images. Actual units may vary in color, features, and availability. Inventory updates frequently and may sell before appearing online. Availability is not guaranteed until confirmed with dealership staff.

Payment Disclaimer: Payment estimates are based on standard terms and are for illustration only. Final payments depend on approved credit, lender terms, and unit selected. Call to confirm current financing offers.

Fees Disclaimer: Government fees (tax, title, registration) vary by location and are added at sale as required by law. Price Right RV does not charge hidden dealer fees, documentation fees, or prep fees.

Accuracy Disclaimer: While every effort is made to ensure accurate pricing and features, Price Right RV is not responsible for typographical errors. All details should be verified with dealership staff prior to purchase.

For Assistance: Call 517-669-2755 (Lansing/Dewitt) or 586-446-6000 (Metro Detroit) to confirm availability, pricing, and specifications.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

Connect with us!


We match or beat any written out-the-door price from another Michigan RV dealer. No hidden fees. Learn more... Transparent Pricing. Trusted Brands. Certified Care. Easy Financing. Seamless Resale. End-of-Season Used RV Clearance. Free winterization and storage until spring. Browse used inventory › No Payments Until March 2026. Flexible financing on select new RVs. Get pre-approved ›