2026 Keystone Montana 3901RK – Luxury Redefined
The 2026 Montana 3901RK is where residential comfort meets purposeful design in a fifth wheel crafted for full-time RVers and serious travelers. Featuring a stunning rear kitchen, spacious living area, and premium finishes throughout, this model offers a high-end living experience on the road.
Built for a Lifetime of Adventure
For over 20 years, Montana has been a leader in the luxury fifth wheel market. The 3901RK continues that legacy with durable construction, a refined interior, and features designed for long-term comfort and reliability—whether you're chasing horizons or settling in for an extended stay.
Four-Season Confidence
Equipped with the Montana Four Season Living Package, this RV is ready to perform in any climate:
Heated and enclosed underbelly to protect tanks and plumbing
12V electric tank heaters for cold-weather performance
Dual high-efficiency air conditioners with heat pump for year-round climate control
SolarFlex 440i Off-Grid Capability - Go farther without plugging in. The factory-installed SolarFlex440i package includes:
440-watt solar panels
Charge controller for consistent, reliable energy management
Expansion-ready setup for future upgrades
2000-Watt Pure Sine Wave Inverter
Interior Designed to Feel Like Home
Experience comfort, functionality, and timeless design inside:
Rear gourmet kitchen with solid surface countertops, 18 cu. ft. 12V refrigerator, large pantry, and residential appliances
Expansive living area with power theater seating, hide-a-bed sofa, electric fireplace, and smart TV
Private king suite with washer/dryer prep, full wardrobe, and direct access to a spa-inspired main bathroom
Second half-bathroom for added convenience, ideal for guests
Durable and Travel-Ready Exterior
Road Armor pin box and upgraded suspension system for smoother towing
Frameless windows and high-gloss fiberglass sidewalls for a clean, modern look
| Stock # | 18219 |
| Location | Medicine Hat: 1153 Trans Canada Way, S.E. |
| Year | 2026 |
| Make | Keystone |
| Model | MONTANA |
| Condition | NEW |
| Status | AVAILABLE |
| 18219.jpg | |
| General | |
|---|---|
| Class | FIFTH WHEEL |
| Length (FT) | 42' 4" |
| Hitch Weight (LBS) | 2975 LBS |
| Dry Weight (LBS) | 15063 LBS |
| Sub Class | Rear Kitchen |
| Shop By Length | 40 and Over |
| Shop By Weight | Over10000 LBS |
| Total Fresh Water Tank Capacity (GAL) | 70 |
| Total Gray Water Tank Capacity (GAL) | 88 |
| Total Black Water Tank Capacity (GAL) | 88 |
| Inventory Options | DRY WEIGHT:15063 LBS HITCH WEIGHT:2975 LBS GREY WATER HOLDING TANK:88 GAL BLACK WATER HOLDING TANK:88 GAL FRESH WATER HOLDING TANK:70 GAL |
| Vin | 4YDFM0U25T4700584 |
| Other Specifications | |
|---|---|
| Exterior Color | WHITE |
| Hot Deals |
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2026 Keystone Montana 3901RK – Luxury Redefined
The 2026 Montana 3901RK is where residential comfort meets purposeful design in a fifth wheel crafted for full-time RVers and serious travelers. Featuring a stunning rear kitchen, spacious living area, and premium finishes throughout, this model offers a high-end living experience on the road.
Built for a Lifetime of Adventure
For over 20 years, Montana has been a leader in the luxury fifth wheel market. The 3901RK continues that legacy with durable construction, a refined interior, and features designed for long-term comfort and reliability—whether you're chasing horizons or settling in for an extended stay.
Four-Season Confidence
Equipped with the Montana Four Season Living Package, this RV is ready to perform in any climate:
Heated and enclosed underbelly to protect tanks and plumbing
12V electric tank heaters for cold-weather performance
Dual high-efficiency air conditioners with heat pump for year-round climate control
SolarFlex 440i Off-Grid Capability - Go farther without plugging in. The factory-installed SolarFlex440i package includes:
440-watt solar panels
Charge controller for consistent, reliable energy management
Expansion-ready setup for future upgrades
2000-Watt Pure Sine Wave Inverter
Interior Designed to Feel Like Home
Experience comfort, functionality, and timeless design inside:
Rear gourmet kitchen with solid surface countertops, 18 cu. ft. 12V refrigerator, large pantry, and residential appliances
Expansive living area with power theater seating, hide-a-bed sofa, electric fireplace, and smart TV
Private king suite with washer/dryer prep, full wardrobe, and direct access to a spa-inspired main bathroom
Second half-bathroom for added convenience, ideal for guests
Durable and Travel-Ready Exterior
Road Armor pin box and upgraded suspension system for smoother towing
Frameless windows and high-gloss fiberglass sidewalls for a clean, modern look
Monthly payments are approximate, available to qualified buyers and are subject to credit approval. Exact payment terms are based on Credit History, and will vary by person. Estimated monthly payment terms and interest rates can be found by contacting us.
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