2026 Keystone RV Montana 3901RK Cobalt
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Description
2026 Keystone RV Montana 3901RK Cobalt
North America's #1 Selling Luxury Fifth Wheel
Embark on a journey of a lifetime with the pinnacle of recreational vehicles that seamlessly blends luxury, innovation, and rugged capability. Designed to cater to the desires of modern travelers and outdoor enthusiasts, the 2026 Montana RVs set the standard for mobile living, with exciting new options like factory-installed MorRyde® independent suspension. Fully refreshed exterior and interior styling redefine the meaning of your home on the road.
Welcome to the family. Welcome to Montana.
Info
Industry
RV
Make
Keystone RV
Model
Montana 3901RK
Trim
Cobalt
Year
2026
MSRP
N/A
Category
Travel Trailer
Subcategory
Fifth Wheel
Specs
Weight
Shipping: 15,063 lb.
Floorplan
Montana 3901RK
Max Load
2,937 lb.
Frame
12" I-beam w/ z-frame technology
Hitch Weight
2,975 lb. | 300 lb accessory hitch
Length
42 ft 4 in
Fuel Type
Gas
Height (Ext)
13 ft 5 in
Tire Size
215/75R17.5H
Fresh Water
70 gal
Black Water
88 gal
Grey Water
88 gal
Propane (LP) Tanks
2
Propane (LP)
60 lb. | (2) 30 lb LP tanks w/ auto changeover
Sleeps
4
Axle Count
8000 lb Dexter Gladiator® thick wall axles w/ upgraded springs & Nev-R-Adjust® brakes
Wheels
17.5" Wheels
Tires
H-RatedTires
Storage
Large pass through storage w/ oversized slam latch door
Refrigerator
18 Cu. Ft. residential refrigerator w/ 2000w inverter | 2nd battery disconnect dedicated to residential refrigerator (inverter models)
Shower
Outside shower w/ quick disconnect hose
Awnings
Lippert 12V electric patio awning(s) w/ LED lights
Weight (Dry)
Interior
Beauflor® vinyl flooring throughout | Hardwood decorative slideout fascia | Reflective window shades built into window | Hardwood decorative window frames | Hardwood cabinetry, stiles, & framing | La-Z-Boy Furniture Package | Decorative backlit crown molding in living area, hardwood base molding in hallway and living area | 5K BTU decorative fireplace heater | Central vacuum
Warranty
1-year limited base warranty | 3-year limited structural warranty
TVs
50" Smart TV & AM/FM/USB stereo w/ JBL® Aura Mizone 3 zone volume control | KeyTV™ multisource signal controller | Wood TV cabinet w/ 32" SMART LCD TV
Generator
Air Conditioner
15K BTU Coleman Mach Quiet Series ducted A/C w/ heat pump main A/C | CX3 package: Triple 15K BTU A/C Package
Furnace
35K BTU furnace
Water Heater
16 gal. gas or electric quick recovery water heater
Power Inverter
Washer/Dryer
Stackable washer/dryer prep
Beds
King size bed
Safety Features
Breakaway switch | GFI receptacles | CO detector | Smoke detector | Propane gas leak detector | Fire extinguisher
