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New 2026 Keystone RV Montana High Country 377FL

Fifth Wheel

Stock #18153

Nacogdoches, TX

The 2026 Montana High Country 377FL offers front living, rear master with loft, a residential kitchen, and four-season comfort—all in a luxury fifth wheel built for families or full-timers.

1 of 44

+44

Sale Price: $86,995
MSRP: $114,318
Discount: $27,323

Payments From: $641 /mo.

42ft long
13,513 lbs
Sleeps 8

4 slides
Front Living

Front Entertainment

See All Specs

Specifications

Sleeps	8	Slides	4
Length	41 ft 11 in	Ext Height	13 ft 4 in
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	VIN	4YDFHMU21TA740125

Features

Standard Features (2026)

Exterior

10" I-beam w/ z-frame technology (Select Models)
12" I-beam w/ z-frame technology (Select Models)
MORryde® Rubber Pin Box
2" sidewall w/ dual layered lauan, high gloss fiberglass, double laminated and insulated rear wall
Tinted safety glass windows
Dual pane frameless windows w/ safety tint (optional)
MaxTurn™ front cap w/ KeyShield™ automotive-grade paint
Fully walkable roof w/ Alpha seamless TPO membrane system
Rear ladder
Electric slideouts throughout
Insulated underbelly w/ forced hot air & electric tank heaters
7000 lb. Dexter Gladiator® thick wall axles w/ upgraded springs & Nev-R-Adjust® brakes
MORryde® CRE3000 Suspension with wet bolts
H-range Rainier ST235/80R16H tires
Spare tire
Ground Control® 4 point electric auto-leveling w/ hitch memory
6' 4" tall 30" wide entry door w/ friction hinge & screen assist handle
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, 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

Beauflor® vinyl flooring throughout
Roller shades throughout
Decorative wood frame window casing
Ozark Shadow cabinetry w/ shaker style doors & hidden hinges
Thomas Payne Collection theater seating w/ electric recliners & tri-fold hide-a-bed sofa(s)
Accent crown molding
5K BTU decorative fireplace heater
Central vacuum

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 Features

Hardwood trim on island, Woodland Maple accents & full extension ball bearing drawer glides
Premium solid surface kitchen countertops
Oversized stainless steel sink / removable solid surface sink covers
High-rise pull down faucet
Booth dinette w/ storage
Free-standing dinette w/ four chairs (optional)
Kitchen power vent fan w/ rain sensor
Flush floor slideout(s)

Appliances & Utilities

(2) 30 lb. LP tanks w/ auto changeover
15K BTU Coleman Mach Quiet Series ducted A/C w/ heat pump
35K BTU furnace
On-demand water heater
50" LED Smart TV
JBL Sound System
Starlink Prep
GE® Energy Star 18.6 Cu. Ft. refrigerator & 2000w inverter
16 Cu. Ft. 12V refrigerator (optional)
GE® 1.6 Cu. Ft. over-the-range microwave
24" Furrion Stove w/ Matching stainless Steel Drawer
Combo washer & dryer cabinet
Pendant style island light w/ ceiling treatment

Bedroom Features

60" x 80" full size queen bed (Optional)
King size bed
Bed slide ceiling lights
USB & 110V outlets bedside
TV Prep

Bathroom Features

Decorative seamless vanity w/ under-mount sink(s)
Radius fiberglass shower w/ decorative glass enclosure, skylight, foot shelf
Porcelain foot flush toilet
Bathroom vent fan w/ rain sensor (optional)

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.

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RV Station Group is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @979-268-2701 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.

New 2026 Keystone RV Montana High Country 377FL

377FL Floorplan

Specifications

Description

Features