Frame & Structure
Robust Construction
Lightweight construction with a dry weight of 15,063 lbs and a cargo capacity of 2,937 lbs ensures durability without compromise.
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Floorplan Layout
Detailed floor plan showing the complete layout and dimensions
Floorplan
Complete Specifications
Complete Fifth Wheel Specifications
2026 Keystone RV Montana Overview
Introducing the 2026 Keystone RV Montana 3901RK, the ultimate fifth-wheel for luxury camping! Weighing in at a dry weight of 15,063 lbs and a remarkable length of 42.33 ft, this spacious RV comfortably sleeps 4. Featuring 5 slideouts, it maximizes living space like no other. With a powerful 45,000 BTU AC and a generous 19 ft awning, your comfort is guaranteed, no matter the weather. The Montana stands out with its exceptional build quality and high-end features that competitors simply can't match. Don't miss your chance to own this amazing RV – schedule your tour today!
Premium Features & Highlights
Spacious 5 slideouts for maximum living area
Powerful 45,000 BTU air conditioning system
19 ft power awning for outdoor enjoyment
Ample storage capacity of 2,937 lbs
Luxurious interior finishes for comfort
Heavy-duty hitch weight of 2,975 lbs for stability
Overview
Vehicle Identification & Details
9 specifications available
- Category
- Fifth Wheel
- Condition
- new
- Floorplan
- 3901RK
- Make
- Keystone RV
- Manufacturer
- KEYSTONE
- Model
- Montana
- Stock Number
- GR-25-303
- VIN
- 4YDFM0U22T4700588
- Year
- 2026
Size & Weight
Dimensions, Weight, Construction & Exterior
10 specifications available
- Dry Weight
- 15,063 lbs
- Length
- 42.33 ft
- Exterior Height
- 13.42 ft
- Width
- 8 ft
- Awning Length Ft
- 19 ft
- Awnings Count
- 1
- Doors Count
- 1
- Primary Color
- White
- Secondary Color
- Volcano, Cobalt, Sterling, Glacier Full-Body Paint Choices
- Slides
- 5
Sleeping & Layout
Beds, Layout, Living & Comfort
11 specifications available
- Available Beds
- King
- Bunk Beds Count
- 0
- Convertible Beds Count
- 0
- Double Beds Count
- 0
- Full Beds Count
- 0
- King Beds Count
- 0
- Queen Beds Count
- 0
- Sleeps
- 4
- Has Primary Bedroom Window Shades
- Yes
- Recliners Count
- 0
- Sofas Count
- 0
Kitchen & Dining
Cooking, Dining & Appliances
5 specifications available
- Microwave
- Yes
- Stovetop Burners
- 3
- Refrigerator Size
- 18 cu ft
- Refrigerator Type
- Residential w/Ice Maker
- Washer Dryer Prep
- Yes
Bathroom & Facilities
Comfort & Privacy
4 specifications available
- Bathrooms Count
- 1
- Has Bathroom Vent
- Yes
- Has Medicine Cabinet
- Yes
- Shower Type
- Standard
Water Systems
Tanks & Plumbing
9 specifications available
- Black Water Capacity
- 88 gal
- Black Water Tanks Count
- 1
- Fresh Water Capacity
- 70 gal
- Fresh Water Tanks Count
- 1
- Gray Water Capacity
- 88
- Gray Water Tanks Count
- 1
- Has Water Heater Bypass
- Yes
- Water Heater Capacity Gallons
- 16 gal
- Water Heater Type
- Gas/Electric Quick Recovery
Power & Electrical
Electrical, Entertainment & Safety
11 specifications available
- Ac Prewiring
- Yes
- Cable Prewiring
- Yes
- Electrical Service
- 50 amp
- Has Battery Converter
- Yes
- Heat Prewiring
- Yes
- Satellite Prewiring
- Yes
- Tv Antenna Prewiring
- Yes
- Washer Dryer Prewiring
- Yes
- Radios Count
- 0
- Televisions Count
- 0
- Tv Info
- LR 50" Smart TV, BR 32" LCD TV
Climate Control
Heating & Cooling
2 specifications available
- Ac Btu
- 45,000 BTU
- Heater Btu
- 35,000 BTU
* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Pierce RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Pierce RV.
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Built to Last
Superior construction for years of adventures
Wall System
Premium Insulation
Laminated aluminum construction provides superior insulation and strength, ensuring comfort in all climates.
Electrical
High Capacity Electrical System
Equipped with a powerful 45,000 BTU air conditioning system for optimal climate control during your adventures.
HVAC
Efficient Climate Control
State-of-the-art 45,000 BTU AC system keeps you cool and comfortable in any weather condition.
Plumbing
Spacious Fresh Water Capacity
Generous storage with a cargo capacity of 2,937 lbs allows for ample fresh water and essentials.
Chassis & Towing
Heavy-Duty Towing Capability
Strong hitch weight of 2,975 lbs ensures stability while towing, making it a reliable choice for your adventures.
Ready for Your Next Adventure?
Experience the freedom of the open road with your next RV adventure
Payment Calculator
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from $769/mo
Estimated • 20% down
Schedule Tour
See this RV in person at our showroom
Showroom Hours
Mon-Fri: 9AM-6PM
4200 10th Avenue South Great Falls, MT 59405
Trade-In Value
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Trade Evaluation
Dealer assessment
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are 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 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.
$107,745
est $760/mo