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Keystone RV Montana High Country Toy Hauler Fifth Wheel RVs For Sale

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The Montana High Country luxury fifth wheels by Keystone offer high-end finishes and amenities, plus exceptional construction and an eye for detail allowing you to travel for many years in comfort and style!


Each fifth wheel is built for four seasons of traveling and include Dexter Gladiator thick-wall axles with Nev-R-Adjust brakes and upgraded springs, a lithium/lead acid battery selector switch on converter, advanced solar prep with five inverted outlets, and a MaxTurn front cap and radius frame with Hitch Vision.  The interior offers two Coleman Mach power saver air conditioners that use less energy and includes the Whisper Quiet operation, hidden cabinet hinges and Urban Charcoal accent cabinetry and trim for a stylish look, plus many upgrades in the kitchen appliances.


Why wait to experience luxury on the road, choose a Keystone Montana High Country fifth wheel, and start today!   

  • Montana High Country 380TH

    Montana High Country 380TH Floorplan Image

    Keystone Montana High Country toy hauler 380TH highlights: Patent-Pending ... more about Montana High Country 380TH

    Have a question about this floorplan? Contact Us


    Sleeps 8
    Slides 4
    Length 41 ft 6 in
    Ext Height 13 ft 4 in
    Interior Color Homestead, Graphite
    Hitch Weight 3185 lbs
    Dry Weight 13661 lbs
    Cargo Weight 3339 lbs
    Fresh Water Capacity 66 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 39 gals
    Tire Size ST235/80R16F
    Furnace BTU 35000 btu
    Available Beds Queen
    Refrigerator Type Four Door RV
    Refrigerator Size 12 cu ft
    Cooktop Burners 3
    Shower Size 48" x 30"
    Number of Awnings 2
    Axle Weight 7000 lbs
    LP Tank Capacity 60 lbs
    Water Heater Capacity 12 gal
    Water Heater Type DSI Gas/Electric
    AC BTU 30000 btu
    TV Info LR Telescoping HDTV
    Awning Info 11' and 19' Electric with LED Lights
    Axle Count 2
    Washer/Dryer Available Yes
    Shower Type Shower w/Seat
    Electrical Service 50 amp

    Similar Floorplans

Montana High Country Features:

Standard Features (2021) 



  • Skylight over shower
  • 12-gallon DSI gas/electric water heater with 16.2 GPH fast recovery
  • Undermount sink
  • Seamless countertop
  • Three (3) drawers (1) door vanity
  • Brushed nickel shower head and faucet
  • Seamless 48"" x 30"" fiberglass shower w/ seat (Residential Living Package)
  • Porcelain foot-flush toilet (Residential Living Package)
  • 50 Amp service (Residential Living Package)
  • 60 Amp converter with charge wizard technology (Residential Living Package)


  • Four (4) drawer large size dresser
  • Massive storage under bed
  • Wood TV cabinet
  • High density foam mattress (Residential Living Package)
  • Bedside USB charging station (Residential Living Package)
  • Bedside nightstands (Residential Living Package)
  • Prepped for combo or stackable washer/dryer with separate 20 amp circuits for each appliance (Residential Living Package)
  • Magnetic bedroom door holder (Residential Living Package)
  • Motion sensor LED light in bedroom closet (Residential Living Package)
  • Easy Sweep master bedrooms (n/a 380/381TH)
  • Easy-Sweep vinyl flooring IPO carpet
  • 60" x 80" Queen Bed
  • Reading lights over bed


  • Unified wiring standard: each wire color-coded and numbered
  • Roof rafters
  • Welded aluminum framed walls and floors
  • Laminated sidewalls with dual layered luan and metal backing strips to anchor interior cabinets
  • Seamless 5/8" thick floor decking
  • Powder coated 10" steel I-beam frame (305, 310, 320, 321, 344, 345, 330, 331)
  • Powder coated 12" steel I-beam frame (362, 364, 365, 372, 373, 374, 375, 380, 381, 384, 385)
  • Seamless roto-cast holding tanks
  • Double insulated rear wall

Easy Set Up

  • Dometic 12V electric patio awning with LED lights and power channel
  • Heated central exterior water and convenience center : (Outside shower with quick connect hose, Black tank flush, Easy winterization kit, Water heater bypass, Power tank fill, Enclosed low point drains, Battery disconnect, Cable/satellite hook-ups, 12v light, Furrion solar charging prep)


  • MORryde Step Above entry steps with strut assist
  • Motion sensor LED lights in pass-through storage compartment
  • Motion sensor LED lights in toy hauler garage
  • LPG quick connect for accessories
  • Automotive paint with two layers of clear coat on front cap
  • High-gloss gel coated sidewalls and rear wall
  • Tinted safety glass windows
  • Fold-away entry handle
  • Rear roof ladder
  • Roof mounted solar prep
  • Slam latch pass-through storage compartment doors
  • Extra Large 30" wide entry door with friction hinge
  • Enormous drop frame pass through-storage compartment

Four Seasons

  • R-21 equivalent insulated floor (Four Season Living Package)
  • R-15 equivalent insulated slide out floors (Four Season Living Package)
  • R-11 equivalent insulated sidewalls (Four Season Living Package)
  • Insulated and heated holding tanks and dump valves (Four Season Living Package)
  • Enclosed and heated low point drains (Four Season Living Package)
  • 12V electric tank heaters, all tanks (Four Season Living Package)
  • Ceiling fan (n/a 372rd, 373rd) (Four Season Living Package)
  • 30" LED Fireplace (Four Season Living Package)
  • 35,000 BTU Furnace (Four Season Living Package)
  • 3" x 14" in-floor straight line heat duct system (Four Season Living Package)
  • 15,000 BTU ducted air conditioner, bedroom (Four Season Living Package)
  • 15,000 BTU Whisper Quiet main air conditioner system, living room (Four Season Living Package)
  • 16,500 Btu heat pump on main air conditioner (Four Season Living Package)
  • Tested and approved for 0 degree usage (Four Season Living Package)
  • Two attic vents for cross ventilation (Four Season Living Package)
  • R-38 equivalent insulated roof (Four Season Living Package)

Home Entertainment

  • Omnidirectional Rooftop Antenna with 4G LTE / Wi-Fi Prep (Residential Living Package)
  • HD LED TV with Climatesmart & Vibrationsmart, living room (Residential Living Package)
  • Climatesmart & Vibrationsmart Furrion Studio Collection with Single Remote Control
  • Marine grade exterior speakers
  • KeyTV satellite prep (Residential Living Package)


  • Power vent fan with rain sensor & wall controls
  • Sink cover storage below kitchen sink (Residential Living Package)
  • Deep 60/40 stainless steel sink (Residential Living Package)
  • High-rise faucet with integrated pull-out sprayer (Residential Living Package)
  • 30" over-the-range microwave (Residential Living Package)
  • Furrion 21" 2-in-1 stainless steel cooktop and oven with triple glass door (Residential Living Package)
  • Glass bi-fold range cover (Residential Living Package)
  • Booth dinette with easy-lift seats (Residential Living Package)
  • Motion sensor LED light in pantry (select models)(Residential Living Package)
  • Island Countertop accent lighting
  • 12 cubic foot 4 door RV refrigerator (mandatory): select models
  • French door residential refrigerator w/ ice maker and 1000 watt inverter (Mandatory): select models
  • Full extension drawer guides
  • Pull out kitchen trash can (select models)
  • Subway tile backsplash
  • Solid surface kitchen countertop (Residential Living Package)
  • Solid surface flush mount sink covers (Residential Living Package)

Living Area

  • Theater seating with power recliners and USB port (Residential Living Package)
  • LED motion sensor light at steps and switch panel
  • Solid hardwood slide-out fascia
  • Brushed nickel cabinet hardware
  • 6' 6" tall main slide-outs
  • Ceiling crown molding
  • Shaw carpet with R2X protection
  • Beauflor flooring with 7-year cold cracking warranty
  • Flush mounted LED interior lights (Residential Living Package)
  • Roller Shades (Residential Living Package)
  • Tri-fold hide-a-bed sofa (Residential Living Package)


  • Under-mount spare tire and carrier
  • MaxTurn front cap and radius frame with Hitch Visionª
  • Hitch Vision Mirror
  • Road Armor suspension (380/381TH: Trail Air suspension)
  • Road Armor King Pin
  • Backup camera prep
  • F-range tires with 5-year manufacturer warranty
  • 16" 8-Lug aluminum wheels (110 psi)
  • 6000 lb. Dexter E-Z Lube axles with self-adjusting brakes (305, 310,320, 321, 344, 345, 330, 331)
  • 7000 lb. Dexter E-Z Lube axles with self-adjusting brakes (362, 364, 365, 372, 373, 374, 375, 380, 381, 384, 385)
  • Backup lights

Exterior Options

  • 4 Point electric automatic leveling system, mandatory (305, 310, 320, 321, 344, 345, 330, 331)
  • 6 Point electric automatic leveling system, mandatory (362, 364, 365, 372, 373, 374, 375, 380, 381, 384, 385)
  • Dual pane frameless windows
  • Slide-out awnings package
  • Generator ready (Onan 5.5 KW specifications)
  • Onan Marquis Gold 5.5 KW LP generator
  • Solar Flex System (265 Watt Solar Panel with 2000 Watt Inverter)
  • 2" Receiver Hitch, mandatory (n/a 380/381TH)

Interior Options

  • King bed (n/a 362, 380, 381)
  • Power vent fan with rain sensor in bathroom
  • Power vent fan with rain sensor in rear bathroom (362, 364, 365)
  • Free standing dinette with 4 chairs

Please see us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.


Keystone RV Logo

 At Keystone we do things differently, and have since we first opened our doors in 1996. This different way means focusing on you, our customer, and building RVs that are much more than great floor plans and prices. It starts with innovative products that are built tough, and doesn’t stop there. It’s our commitment to provide a better ownership experience. We understand that when you put your hard earned money down, you expect your RV to deliver as promised. That’s why “Building Adventures for the Long Haul” is more than just a slogan here at Keystone; it is our number one mission each and every day. It’s the reason today we are honored to say we have nearly one million Keystone owners out on the open road who we consider family.