Keystone RV Montana High Country Toy Hauler Fifth Wheel

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Want more luxury with less weight in a recreation fifth wheel and toy hauler fifth wheel?  If so, check out the latest Montana High Country by Keystone.  These luxury models use advanced materials and manufacturing technology to significantly reduce weight while maintaining comforts, reduce wear and tear on your tow vehicle,  and improve fuel economy.

Choose from a variety of family friendly floorplans each featuring plenty of interior living space and ample storage for all of your gear. You will even find a couple of toy hauler models featuring a underbed storage garage large enough to take your favorite four wheeler along.  So, why not choose the light weight that's big on value and luxury, plus 3/4-ton towable, and take a Montana High Country fifth wheel or fifth wheel toy hauler by Keystone RV as your full-time or vacation RV!
  • 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


    Sleeps 7
    Slides 4
    Length 41 ft 6 in
    Ext Width 8 ft
    Ext Height 13 ft 4 in
    Int Height 0 ft
    Interior Color Linen, Estate
    Hitch Weight 3185 lbs
    Dry Weight 13300 lbs
    Cargo Weight 3700 lbs
    Fresh Water Capacity 66 gals
    Grey Water Capacity 78 gals
    Black Water Capacity 39 gals
    Tire Size ST235/80R16F
    Furnace BTU 40000 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
    Water Heater Capacity 12 gal
    Water Heater Type DSI Gas/Electric
    AC BTU 15000 btu
    TV Info LR HD LED, BR 32" HD LED
    Awning Info 19' & 10' 12V Electric with LED Lights
    Axle Count 2
    Washer/Dryer Available Yes
    Number of LP Tanks 60
    Shower Type Shower w/Seat
    Electrical Service 50 amp

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Montana High Country Features:

Standard Features (2019)


Living Area

  • Brushed nickel cabinet hardware
  • 6' 6" Tall main slide outs
  • Shaw carpet with R2X protection
  • Flush mounted LED interior lights (Residential Living Package)
  • Tri-Fold hide-a-bed sofa (Residential Living Package)
  • Solid hardwood slideout fascia
  • Ceiling crown molding
  • Beauflor flooring with 7 year cold cracking warranty
  • Flush mounted LED interior lights (Residential Living Package)
  • Roller Shades (Residential Living Package)
  • Theater seating w/ power recliners and USB charging (Residential Living Package)


  • Full extension drawer guides
  • Subway tile backsplash
  • Solid surface flush mount sink covers (Residential Living Package)
  • 30" Over-the-range microwave (Residential Living Package)
  • High output range with automatic igniter and flush mount range cover (Residential Living Package)
  • Power vent fan w/ rain sensor and wall controls (Four Season Living Package)
  • Pull out kitchen trash can (Select Models)
  • Solid surface kitchen countertop (Residential Living Package)
  • Sink covers storage below kitchen sink (Residential Living Package)
  • 22" Oven w/ broiler (Residential Living Package)
  • Booth dinette with easy-lift seats (Residential Living Package)
  • Motion sensor LED light in pantry (Select Models) (Residential Living Package)

Home Entertainment

  • Climatesmart & Vibrationsmart Furrion studio collection w/ single remote control
  • Studio speakers
  • RG-6 Satellite prep (Residential Living package)
  • 39" or 48"/50" HD LED TV w/climatesmart & vibrationsmart (Residential Living package)
  • DV3300 AM/FM/CD/DVD Player w/ app control & Bluetooth
  • Marine grade exterior speakers
  • Winegard Rayzar Z-1 HD Digital TV antenna (Residential Living package)
  • Master bedroom 32" HD LED TV w/ climatesmart & vibrationsmart (Residential Living package)


  • 60" x 80" Queen bed
  • Reading lights over bed
  • Wood TV cabinet
  • Bedside USB charging station (Residential Living package)
  • Prepped for combo or stackable washer/dryer w/ separate 20AMP circuits for each appliance (Residential Living package)
  • Shiplap design headboard
  • Massive storage under bed
  • High density foam mattress (Residential Living package)
  • Bedside night stands (Residential Living package)
  • Magnetic bedroom door holder (Residential Living package)
  • Motion sensor LED light in bedroom closet (Residential Living package)


  • Skylight over shower
  • Undermount sink
  • (3) Drawers (1) door vanity
  • Seamless 48" x 30" fiberglass shower (Residential Living package)
  • 50 Amp service (Residential Living package)
  • 12 Gallon DSI Gas/Electric water heater w/ 16.2 Gal. Per HR. fast recovery
  • Seamless countertop
  • Brushed nickel shower head and faucet
  • Porcelain foot flush toilet (Residential Living package)
  • 65Amp Converter (Residential Living package)


  • Unified wiring standard: Each wire color-coded and numbered
  • Welded aluminum framed walls and floors
  • Seamless plyveneer floor decking
  • Powder coated 12" steel I-beam frame (362, 364, 365, 374, 375, 378, 379, 380, 381, 384, 385)
  • Residential roof rafters
  • Laminated sidewalls with dual layered luan and metal backing strips to anchor interior cabinets
  • Powder coated 10" steel I-beam frame (305, 310, 320, 321, 344, 345, 330, 331)
  • Seamless roto-cast holding tanks

Four Seasons Living Package

  • 35,000 BTU furnace
  • Whisper quiet main air conditioner system
  • 16,500 BTU Heat pump on main air conditioner
  • Two attic vents for cross ventilation
  • R-21 Insulated floor
  • R-11 Insulated sidewalls
  • Enclosed and heated low point drains
  • Residential ceiling fan
  • 15,000 BTU Air conditioner
  • Wired and framed for 2nd air conditioner
  • Zero degree tested and rated
  • R-38 Equivalent insulated roof
  • R-15 Insulated slide out floors
  • Insulated and heated holding tanks and dump valves
  • 12V Electric fresh water tank heater
  • 34" LED fireplace that can heat 500 Sq. Ft. (5000 BTU) controlled by a single remote


  • Max Turn front cap and radius frame w/ hitch vision
  • Mor/Ryde CRE3000 suspension
  • Bronze bushings and 1/2" shackle links
  • 6000 LB Dexter E-Z lube axles w/ self adjusting brakes (305, 310, 320, 321, 344, 345, 330, 331)
  • Back-Up lights
  • Prepped for rear view camera
  • F-Range tires with 5 year manufacturer wararnty
  • 16" 8-Lug aluminum wheels (110 PSI)
  • 7000 LB Dexter E-Z lube axles w/ self adjusting brakes (362, 364, 365, 374, 375, 378, 379, 380, 381, 384, 385)
  • Undermount spare tire and carrier


  • Automotive paint with 2 layers of clear coat on front cap
  • Automotive frameless safety glass windows
  • Rear roof ladder
  • Extra large (30" wide by 78" tall) entry door w/ friction hinge (Residential Living package)
  • Four step aluminum entry steps (Residential Living package)
  • Motion sensor lights in toy hauler garage (Residential Living package)
  • High gloss gel coated sidewalls and rear wall
  • Fold away entry handle
  • Slam latch pass thru storage compartment doors
  • Enormous drop frame pass thru storage compartment (Residential Living package)
  • Motion sensor LED lights in pass thru storage compartment (Residential Living package)

Easy Set Up

  • 12V Electric patio awning w/ LED lights
  • Heated central exterior water and convenience center
  • Patio security light

Interior Options

  • King Bed (N/A 362RD, 380/381TH)
  • Residential French door refrigerator with ice maker and 1000 Watt inverter: (331, 345, 375, 379, 381, 385) - MANDATORY
  • Free standing dinette with 4 chairs
  • 12 CU. FT. 4 door RV refrigerator: (305, 310, 340, 330, 344, 362, 374, 378, 380, 384) - MANDATORY
  • Power vent fan with rain sensor in bathroom
  • Power vent fan with rain sensor in rear bathroom (362, 364, 365)
  • Power vent fan with rain sensor in bedroom (N/A with 2nd AC)

Exterior Options

  • Low profile ducted 2nd 13,500 BTU A/C: (374, 375, 380, 381) - MANDATORY
  • 6 Point automatic leveling system (362, 364, 365, 374, 375, 378, 379, 380, 381, 384, 385) - MANDATORY
  • Slideout awnings package: Quad Slide Models (344/345RL, 364/365BR, 374/375FL, 378/379RD, 380/381TH, 384/385BR)
  • Onan Marquis gold 5.5 KW LP Generator
  • 4 Point electric automatic leveling system (305, 310, 320, 321, 344, 345, 330, 331) - MANDATORY
  • Dual pane frameless windows
  • Slideout awnings package: Triple Slide Models (305RL, 310RE, 320/321MK, 330/331RL)
  • Slideout awnings package: Five Slide Models (362RD)
  • Generator ready (Onan 5.5 KW Specifications)
  • 2" Receiver hitch - MANDATORY


  • Residential Living Package - MANDATORY
  • Four Season Living Package - MANDATORY


See us for a complete list of features and available options!


All standard features and specifications are subject to change.



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.