+99 
- YOUR PRICE: $86,947
- MSRP: $115,925
- YOU SAVE: $28,978
-
42ft long
-
13,890 lbs
-
Sleeps 8
-
4 slides
-
Front LivingFront Entertainment
377FL Floorplan
Specifications
| Sleeps | 8 | Slides | 4 |
| Length | 41 ft 11 in | Ext Width | 8 ft |
| Ext Height | 13 ft 4 in | Interior Color | Arlington |
| Hitch Weight | 2620 lbs | Dry Weight | 13890 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 | 12 Volt |
| Refrigerator Size | 16 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" LCD 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 | Solar Wattage | 440 watts |
Description
RV Show Special through March 22, 2026:
- FREE Route 66 RV Club Membership! $50 VALUE!
- FREE Furrion Observation Camera Installed! $589 VALUE!
- FREE 3 Year Road Sentry Tire & Wheel Protection With The Purchase Of A 5 Year Service Contract! $599 VALUE!
- MaxxGuard Interior/Exterior Protection Package ONLY $995! You SAVE $1,504!
INCLUDES 2 RV DEEP CYCLE BATTERIES-UPGRADE TO TWO 100 AMP BATTLE BORN HEATED LITHIUM SMART BATTERIES AND THE SMART HUB MONITOR FOR $2,499!
INCLUDES SOLAR FLEX DISCOVER 440 WATT SOLAR/INVERTER PACKAGE!
This Keystone Montana High Country fifth wheel 377FL includes these options:
- Arlington Interior Decor
- 2 RV Deep Cycle Batteries-Lithium Upgrade Available!
- $350 In Store Parts Credit
- Camper College Orientation
- 1 Year Route 66 RV Club Membership
- 24/7 Tech Assistance
- 10% Parts Discount At All Route 66 Locations
- 10% Camping Discount At KOA
- Ozark Shadow Edition
- Solar Flex Discover 440 Watt Solar/Inverter Package
- 16 Cubic Foot 12 Volt Fridge
- Free Standing Dinette & Chairs
- Automatic Leveling System
- Unique Dual Entry
- Loft Over Bedroom
- Rear Private Bedroom
- Four Slides
- 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" LCD TV too. The full bathroom has a pivot-hinge door and 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 Road Armor™ shock absorbing hitch pin, 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 Road Armor™ suspension has 360° vibration control for a smooth ride, 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 with Syntec® woven flooring in main slide outs, accent crown molding, and Sandstone Maple cabinetry.
Features
Standard Features (2026)
Exterior
- 12" I-Beam frame (model specific)
- 10" I-Beam w/z-frame technology (model specific)
- Curt helux Pinbox (model specific)
- MORryde Rubber pin box (model specific)
- 2" sidewall w/dual layered lauan, high gloss fiberglass, double laminated and insulated rear wall (model specific)
- 2" thick composite backed high gloss fiberglass sidewalls and insulated rear wall
- Tinted safety glass windows
- Dual pane frameless windows w/ safety tint (optional)
- Fiberglass front cap w/ KeyShield™ automotive-grade paint (model specific)
- MaxTurn front cap w/KeyShield automotive-grade paint (model specific)
- Fully walkable roof w/ Alpha seamless TPO membrane system
- Rear ladder
- Hydraulic slideouts on main level w/ individual switches & electric slideouts on upper deck (model specific)
- Electric slideouts throughout
- Insulated underbelly w/ forced hot air & electric tank heaters
- 7000 LB Curt Sipper Spring Axle Suspension (model specific)
- 7000 lb. Dexter Gladiator® thick wall axles w/ upgraded springs & Nev-R-Adjust® brakes (model specific)
- H-range Rainier ST235/80R16H tires
- Spare tire
- Lippert Titan™ leveling system w/ touch screen and underlights (model specific)
- Ground Control 4-point electric auto-leveling w/hitch memory (model specific)
- Ground Control 6-point electric auto-leveling w/hitch memory (model specific)
- 6' 6" tall 30" wide entry door w/ friction hinge & screen assist handle (6' 4" on select models)
- MORryde® Step Above® entry steps w/ strut assist
- Large pass-through storage w/ oversized slam latch door
- Back-up camera prep
- 2nd battery disconnect dedicated to residential refrigerator (inverter models)
- Dual battery boxes
- Water connections, Water Manifold, black tank flush, outside shower, winterization valve, low point drains, power tank fill, waste & water handle valves, 110V outlet, shut-off valve, 12V compartment light, KeyTV™ satellite/cable hook-up
- Generator prep (optional)
- LP generator (optional)
- Seamless roto-cast holding tanks
- 50 Amp electrical service w/ detachable cord & 110v exterior outlet
- Outside shower w/ quick connect hose
- Lippert Solera series power awning w/ LED lights
- 2nd Lippert Solera series power awning w/ LED lights
- Slide-out awning package (optional)
- 3000 lb. towing hitch
- 12V distribution Giggy Box™
Interior
- Roller shades throughout
- Decorative wood frame window casing
- Hardwood Urbane Bronze Cabinet doors and drawers with hidden hinges
- Beauflor vinyl flooring throughout (models specific)
- Thomas Payne Collection theater seating w/ electric recliners & tri-fold hide-a-bed sofa(s)
- Back-lit crown molding
- 5K BTU decorative fireplace heater
- Ozark Shadow Cabinetry w/shaker style doors and hidden hinges (model specific)
- SBC V-Flow Max Cordless Vacuum
- Accent crown molding (model specific)
- Central vacuum (model specific)
Keystone Exclusives
- Color-coded unified wiring standard
- 4G LTE and Wi-Fi prep
- Tuf-Lok™ thermoplastic duct joiners
- KeyTV™ multisource signal controller
- Tru-fit™ slide construction
- Blade Pure™
Kitchen
- Hardwood trim on island, Tacoma Mocha accents & full extension ball bearing drawer glides
- Premium solid surface kitchen countertops
- Oversized deep stainless-steel sink with attachments
- High-rise pull down faucet
- Adjustable Sliding "Deskette" w/ 4 chairs (optional on select models)
- Hardwood trim on island, Woodland Maple accents & full extension ball bearing drawer glides (model specific)
- Oversized stainless-steel sink/removable solid surface sink covers (model specific)
- Booth dinette w/storage (model specific)
- Free-standing dinette w/four chairs (model specific) (optional on select models)
- Kitchen power vent fan w/ rain sensor
- Flush floor slideout(s)
Appliances & Utilities
- (2) 30 lb. LP tanks w/ auto changeover
- 18K Furrion Chill Cube Main A/C with heat pump (model specific)
- 15k BTU Coleman Mach Quiet Series ducted A/C w/heat pump (model specific)
- 13.5 K Furrion Bedroom AC (model specific)
- 13.5 K Furrion 3rd AC (optional; model specific)
- 35K BTU furnace
- 60K Suburban on Demand Water Heater
- 50" 4K Smart TV
- JBL Audio 2.1 Soundboard and wireless Subwoofer (model specific)
- JBL sound system (model specific)
- Starlink Prep (model specific)
- Furrion 18 Cu. Ft. 110V refrigerator & 2000w inverter (optional on select models, standard on select models)
- 16 Cu. Ft. 12V refrigerator (optional on select models, standard on select models)
- Furrion 1.6 Cu. Ft. over-the-range microwave
- 24" Furrion Stove w/ Oven (model specific)
- 24" Furrion stove w/matching stainless-steel drawer (model specific)
- Stackable washer & dryer cabinet (model specific)
- Combo washer & dryer cabinet (model specific)
- Pendant style island light w/ ceiling treatment
Bedroom
- 60" x 80" full size queen bed (standard on select models, optional on select models)
- King size bed (model specific)
- Bed slide ceiling lights
- USB & 110V outlets bedside
- TV prep
Bathroom
- Decorative seamless vanity w/ under-mount sink(s)
- Residential 30" X 48" fiberglass shower w/ decorative glass enclosure, skylight, & molded accessory/foot shelf (model specific)
- Fiberglass shower w/decorative glass enclosure, skylight and foot shelf (model specific)
- Porcelain foot flush toilet
- Bathroom vent fan w/ rain sensor (optional on select models)
Weather Protection
- Four Season Living Package
- 12V heat pads on holding tanks
- Astrofoil insulated slide floors & underbelly
- Dual attic vents
- Heated and enclosed underbelly, convenience center, & dump valves
- Reflective foil insulated front cap
- Tested and approved for 0° usage
Safety
- Breakaway switch
- GFI receptacles (select locations)
- CO detector
- Smoke detector
- Propane gas leak detector
- Fire extinguisher
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.
Due to the current environment, our features and options are subject to change due to material availability.
Save your favorite RVs as you browse. Begin with this one!
Loading
D&D RV Center, LLC is not responsible for any misprints, typos, or errors found in our website pages. Any price listed has no other surprise fees or charges added to it (bet you didn't expect that!). Manufacturer specifications and features may be used. We take pictures of each individual unit in our inventory. We use manufacturer videos and virtual tours on our website. Please contact us @406-442-8542 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
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.