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Keystone RV Mountaineer Toy Hauler Fifth Wheels

The Montana Mountaineer Edition fifth wheels by Keystone RV offer you the same excellent quality and value of the original Montana but with a sporty new look and contemporary style preferred by many of today’s RV buyers. The Mountaineer has many floor plans for greater versatility giving you a choice to better suite your families needs and lifestyle making your travel time much more enjoyable.

Because Montana has spent time listening closely to their customers over the years and actually implemented the preferences for style and comfort when designing new floor plans, you would be pleased to own any of the models available. The Mountaineer Edition will give you the comfort of knowing that you have everything you need while pursuing an RV lifestyle.

For those who love to travel with their toys and/or tools, the Mountaineer also features one toy hauler model with a separate entry along with a 60x72 garage door that gives you a variety of options for bringing along your favorite toy(s) or hobby.  The garage area features a 19" LCD TV, desk, overhead cabinets, optional Euro recliners and a wall with door separating the rest of the living area.

So, for quality, value and style where it counts choose the Keystone Montana Mountaineer edition fifth wheel where value shows in every detail!
  • 2014 Mountaineer 357THT

    Floorplan - 2014 Keystone RV Mountaineer 357THT

    Keystone Mountaineer Fifth Wheel Toy Hauler w/Rear Cargo w/Side Man Door, Flip Down Bunk Beds, Closet, Door to Living Area w/Air Mattress Hide-A-Bed & Booth Dinette w/Overhead Storage Above HAB Slideout, Ent. Center, Entry Closet, L-Counter w/Dbl. Kitchen Sink, Slideout Galley w/Pantry, Range & Refrigerator, Step Up to Bed & Bath w/Private Toilet Area, Angle Shower, Front Queen Bed Slide, Wardrobe w/Sliding Doors, Washer/Dryer Prep, Dresser, Sink and Much More!

    Have a question about this floorplan? Contact Us

    Specifications

    Length 39'1"
    Width 8'0"
    Height 13'4"
    Hitch Weight 2,585 lbs
    Dry Weight 11,185 lbs
    Cargo Weight 4,465 lbs
    Fresh Water Capacity 64 gals
    Grey Water Capacity 93 gals
    Black Water Capacity 50 gals
    Sleeps 8
    Tire Size ST235/80R16E
    Slides 3
    Interior Color Sable, Walnut

    Similar Floorplans

  • 2013 Mountaineer 357THT

    Floorplan - 2013 Keystone RV Mountaineer 357THT

    Keystone Mountaineer Fifth Wheel Toy Hauler w/Rear Cargo w/Side Man Door, Flip Down Bunk Beds, Closet, Door to Living Area w/Air Mattress Hide-A-Bed & Booth Dinette w/Overhead Storage Above HAB Slideout, Ent. Center, Entry Closet, L-Counter w/Dbl. Kitchen Sink, Slideout Galley w/Pantry, Range & Refrigerator, Step Up to Bed & Bath w/Private Toilet Area, Angle Shower, Front Queen Bed Slide, Wardrobe w/Sliding Doors, Washer/Dryer Prep, Dresser, Sink and Much More!

    Have a question about this floorplan? Contact Us

    Specifications

    Length 39'1"
    Width 8'0"
    Height 13'4"
    Hitch Weight 2,585 lbs
    Dry Weight 11,185 lbs
    Cargo Weight 4,465 lbs
    Fresh Water Capacity 64 gals
    Grey Water Capacity 93 gals
    Black Water Capacity 50 gals
    Sleeps 8
    Tire Size ST235/80R16E
    Slides 3
    Interior Color Sable, Walnut

    Similar Floorplans

Mountaineer Features:

Standard Features (2010)

Interior

  • Residential carpeting and upholstery with fabric protection
  • Tall slide room with "plate depth" overhead cabinets
  • Dual swivel rocker(s) (most models)
  • Pleated day/ night window shades
  • Deluxe oiled bronze decorative lighting
  • Free-standing end table with lamp
  • Deluxe crown molding
  • All wood slideout fascia (HE) 
  • Air mattress hide-a-bed sofa (most models) (M)
  • Decorative ceiling fan with 110V light fixture (M)
  • Euro recliner(s) with ottoman (347 only) (optional)
  • High back desk chair (optional)
  • 12" wraparound super sofa booth (optional)
  • Jackknife sofa in place of (2) recliner/gliders (295 only) (optional)

Exterior

  • 5" fabricated steel truss rafters
  • Max turn fiberglass front cap 
  • Block foam insulation in sidewall (R-9)
  • Residential fiberglass insulation in floor and roof (R-14)
  • Fully enclosed and heated underbelly
  • Enclosed and heated holding tanks and water lines
  • Hitch and security light
  • Extra wide 30" entrance door
  • Radius baggage doors with locking latches
  • Smooth-operating, easy-to-use entrance steps
  • "Mountain Gold" radius wrap lower walls
  • 110V outlet and TV hook up
  • Medallion (TM) high gloss sidewalls (HE) 
  • 12 volt electric patio awning (HE) 
  • Drop frame pass through storage compartment (HE) 
  • Gen II easy set remote control system (HE) 
  • Electric rear stabilizer jacks (HE) 
  • Exterior convenience center (HE)
  • 8 lug, 16" wheels and Goodyear tires (M) 
  • Under mount spare tire and carrier (M) 
  • Dexter E-Z Lube Axles (M) 
  • Dual patio security lights (M) 
  • Outside speakers with control switch (M) 
  • Outside shower with quick connect (M) 
  • Black tank flush (M) 
  • Electric front stabilizer jacks (M) 
  • Fold away entry handle (M) 
  • Rear roof ladder (M) 
  • Equa Flex (TM) Suspension system (optional)
  • Aluminum wheels (optional)
  • Slide awning package (double slides) (optional)
  • Slide awning package (triple slides) (optional)
  • Slide awning package (quad slides) (optional)
  • Pass-through slide trays (optional)
  • Dual pane windows (optional)
Bedroom
  • Fabric headboard
  • Quilted bedspread, two pillows with shams
  • Three-drawer bedroom dresser with full extension drawer guides (most models)
  • Solid panel bedroom door(s) with oiled bronze handles
  • Full width sliding mirror closet doors
  • Under-bed storage with lift-assist struts
  • Washer/dryer hookup (prep)
  • Deluxe innerspring 60" x 80" mattress (M)
  • Dual reading lights over the bed (M)
  • Ceiling mounted coax and 12 volt plug (M)
  • Two bedside windows in the slideout (M)
  • 19" ceiling mount LCD HD TV (optional)

Kitchen

  • Lighted range hood with fan
  • Garbage can
  • Silverware tray
  • Power vent fan in kitchen/Living room
  • Booth dinette w/storage cabinet and drawer
  • Shaker style hickory cabinet doors (HE) 
  • Full extension drawer guides (HE) 
  • Wide deep hickory drawers (HE) 
  • Solid surface countertops (HE) 
  • Cabinet toe kicks (M)
  • Dual sinks with high rise faucet (M)
  • Free standing dinette with 4 chairs (optional)

Bathroom 

  • Larger residential bath sink
  • Larger residential-size bath sink 
  • Tub/shower with oiled bronze glass enclosure
  • Medicine cabinet w/ large mirrored door
  • Oiled bronze bath sink faucet
  • Oiled bronze vanity light
  • Full linoleum bath flooring
  • Solid panel doors with oiled bronze handles
  • Deluxe wood grain towel holder
  • Deluxe residential porcelain toilet (M)
  • 12 volt fan in the commode room (M)
  • Sky dome over the tub (M) 

Appliances

  • 32" LCD HD TV (HE) 
  • 8 cu. ft. double door refrigerator (M)
  • Deluxe microwave oven with exterior exhaust fan (M)
  • 15,000 BTU ducted roof air conditioner with wall-mounted thermostat and "Quick Cool" (M)
  • Range cover (M)
  • High-output range with automatic igniter and 22" oven (M)
  • Digital TV antenna booster (M)
  • Washer/dryer prep (M)
  • RG-6 satellite prep (M)
  • Electric fireplace (305, 324 or 326 only) (optional)
  • 2nd 13,500 BTU A/C (50 amp electrical service required) (optional)
  • Wire and Frame for 2nd A/C (50 amp service required) (optional)
  • Power vent fan in bath/bedroom (optional)
  • 12 volt 19" bedroom LCD TV (optional)
  • 12 volt 19" garage LCD TV (347 only) (optional)

Utilities

  • Systems monitor panel
  • 55 Amp Converter
  • Water heater by-pass kit (M)
  • 10-gallon gas/electric DSI water heater (M)
  • 50 amp electrical service (M)
  • Generator ready (Onan 5.5 kw - LP Generator)
  • Onan Marquis Gold 5.5 kw-LP Generator (Requires Generator Ready) (optional)
Hickory Edition Package
  • Max Turn front cap and radius frame
  • Drop frame pass thru storage compartment
  • Gen II EasySet remote control system
  • Electric rear stabilizer jacks
  • Exterior convenience center
  • 12-volt electric awning
  • 32-inch HD LCD TV
  • Medallion (tm) semi-gloss sidewalls
  • Solid surface kitchen countertops
  • Full extension metal drawer guides
  • Hickory wood grain cabinets
  • All-wood slideout fascia
Moving to Montana Package
  • Queen (60 by 80) innerspring mattress
  • Fabric bedroom headboard
  • E-Z Lube axles with 8 lug wheels
  • Two bedside windows in the slide-out
  • 12-volt AM/FM/CD/DVD with Surround Sound
  • RG6 Satellite Prep
  • 15,000 BTU A/C with QuickCool
  • Air mattress hide-a-bed sofa
  • 10 Gallon DSI 110/12volt water heater
  • Ceiling fan with light kit
  • 8 Cu.Ft. large double door refrigerator
  • Glacier Package
  • Dual reading lights over bed
  • Digital TV antenna with booster
  • Cabinet toe kicks
  • Water heater by-pass
  • Outside speakers
  • Black Tank Flush
  • Rear roof ladder
  • Microwave
  • 22-inch oven with broiler
  • Dual Patio outdoor activity lights
  • 50 amp service
  • High output range with ignitor
  • Deep tint safety glass windows
  • Sky dome over the tub
  • Range cover
  • Fold away entry handle
  • Under mount spare tire and carrier
  • Electric front jacks
  • Outside shower with quick connect hose
  • Power vent fan
  • Double sink with hi-rise faucet
  • Deluxe porcelain toilet

Construction

Roof (R-14)
  • Rear ladder
  • 15,000 BTU A/C
  • One-Piece EPDM rubber roof membrane
  • Aluminum radius roof transition molding
  • 3/8" Structurewood roof decking
  • R-14 fiberglass insulation
  • Aluminum wrapped AC duct   
  • Ceiling decking with vinyl
  • 5" Fabricated galvanized steel truss rafters on 16" centers
  • Extended roof gutter spouts
Sidewalls (R-9)
  • Fold-away grab handles
  • 30" x 74" entry door with window
  • 2" Welded aluminum wall studs
  • Interior decorator board
  • Electro-Galvanized sheet (EGS) metal backing strips
  • High density solid block insulating foam
  • Luan wall board 
  • Second layer 1/8" Luan board with seams staggered
  • Medallion Hi-Gloss fiberglass
  • Heavy duty insulated baggage doors
  • Exterior convenience center
  • Electric patio awning
  • Security light
  • Fiberglass front cap with improved turning radius and hitch vision
  • Side mounted hydraulic selector valves 
Floor (R-14)
  • Electric rear jacks
  • DARCO Wrapped main floor moisture barrier
  • Fiberglass insulation
  • One piece fluted polypropylene fully enclosed sub floor
  • 3" large capacity heat duct
  • Heavy duty 8 lug wheels with easy lube axles
  • Equa flex suspension
  • Enclosed and insulated water lines
  • Powder coated 10" steel rolled I-beam
  • Residential linoleum
  • Full radius wrap aluminum enclosure
  • 3" welded aluminum floor
  • Drop frame chassis design with flat floor storage
  • Dual 30 lbs. LP bottles on each side
  • Easy access adjustable snap jack pins
  • 5/8" seamless floor decking
  • Residential carpet pad
  • Residential grade carpeting with stain protection
  • Extended hitch pin

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

All standard features and specifications are subject to change.

Manu-Facts:

Manufacturer Logo
Since 1996, Keystone RV Company has quickly risen to become an industry leader in innovation and quality. Keystone was created by a group of owner/managers who left key positions at major corporations in the recreational vehicle industry, bringing together experience and innovation.

Our quality oriented work ethic and our attention to detail have made us the fastest growing RV company in the United States, with over 600 dealers and seven manufacturing plants nationwide. Of course, creating excellent recreational vehicles is our highest objective. But at Keystone, we believe that there are many more ingredients to quality. Product excellence is where we begin.

Another big part of the quality incentive at Keystone involves showing concern and respect for our customers, our dealers, our suppliers, and each other. Keystone has built an impressive reputation with our dealers and their customers. At Keystone, special attention is paid to the many details which matter so much to RVers. We believe that these details, so often overlooked by our competition, are what continually wins our customers loyalty and admiration.

Our employees are as proud of their teamwork as they are of our product. Our owner/manager team works to set the example. We believe we have developed a company culture where people come first. At Keystone, we love RVing and the beautiful outdoors, so our commitment to quality involves the desire to produce convenient, feature loaded, outstanding RVs for families all over America.

Furthermore, we respect the fact that for many, the selection of your RV will be one of your life's biggest purchases, next to your home and your children's education. Our mission is to make that purchase one of the best values you'll ever find. Because of this goal, we strive to support our dealers as they educate and guide you in this important decision. And we welcome your inquiries and/or visits to our corporate headquarters in Northern Indiana.