New 2025 Keystone MONTANA 3901 RK

2025 Keystone Montana 3901RK – Luxury Redefined
The 2025 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 220 for Off-Grid Capability - Go farther without plugging in. The factory-installed SolarFlex 220 package includes:
  • 220-watt solar panel
  • Charge controller for consistent, reliable energy management
  • Expansion-ready setup for future upgrades
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
  • Rear towing hitch for additional gear or small trailers
  • Rear ladder and backup camera prep for easy access and enhanced safety
Specifications
  • Shipping Weight: 15,063 lb
  • Carrying Capacity: 2,937 lb
  • Hitch Weight: 2,975 lb
  • Length: 42 ft 4 in
  • Height: 13 ft 5 in
  • Tire Size: 215/75R17.5H
  • Fresh Water Capacity: 70 gal
  • Gray Water Capacity: 88 gal
  • Waste Water Capacity: 88 gal
  • Sleeping Capacity: 4
  • Refrigerator Size: 18 cu. ft.
  • Propane Tanks: 2 (60 lb total)
Whether you're weekend camping or embracing full-time RV life, the 2025 Montana 3901RK offers the perfect combination of luxury, capability, and thoughtful design—so you can stay longer and travel farther, in total comfort.
Retail Price
$189,999
Arrkann RV Price
$167,999
Stock # 17216
Location Carstairs
Year 2025
Make Keystone
Model MONTANA
Condition NEW
Status AVAILABLE
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Specifications

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/L) 70
Total Gray Water Tank Capacity (GAL/L) 88
Total Black Water Tank Capacity (GAL/L) 88
Total Propane Tank Capacity (GAL/LBS) 60
Inventory Options DRY WEIGHT:14755 LBS
HITCH WEIGHT:2975 LBS
GREY WATER HOLDING TANK:88 GAL
BLACK WATER HOLDING TANK:88 GAL
FRESH WATER HOLDING TANK:70 GAL
Other Specifications
Exterior Color WHITE
Hot Deals
2025 Keystone Montana 3901RK – Luxury Redefined
The 2025 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 220 for Off-Grid Capability - Go farther without plugging in. The factory-installed SolarFlex 220 package includes:
  • 220-watt solar panel
  • Charge controller for consistent, reliable energy management
  • Expansion-ready setup for future upgrades
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
  • Rear towing hitch for additional gear or small trailers
  • Rear ladder and backup camera prep for easy access and enhanced safety
Specifications
  • Shipping Weight: 15,063 lb
  • Carrying Capacity: 2,937 lb
  • Hitch Weight: 2,975 lb
  • Length: 42 ft 4 in
  • Height: 13 ft 5 in
  • Tire Size: 215/75R17.5H
  • Fresh Water Capacity: 70 gal
  • Gray Water Capacity: 88 gal
  • Waste Water Capacity: 88 gal
  • Sleeping Capacity: 4
  • Refrigerator Size: 18 cu. ft.
  • Propane Tanks: 2 (60 lb total)
Whether you're weekend camping or embracing full-time RV life, the 2025 Montana 3901RK offers the perfect combination of luxury, capability, and thoughtful design—so you can stay longer and travel farther, in total comfort.
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