Frame & Structure
15,063 lbs Dry Weight
Easy to tow with most mid-size trucks and SUVs.
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Floorplan Layout
Detailed floor plan showing the complete layout and dimensions
Floorplan
Complete Fifth Wheel Specifications
2026 Keystone RV Montana Overview
Introducing the 2026 Keystone RV Montana 3901RK, a stunning fifth-wheel that combines luxury with functionality. This new model boasts a length of 42.33 ft and sleeps 4 comfortably, making it perfect for family adventures or weekend getaways. With a dry weight of 15,063 lbs and a GVWR of 16,975 lbs, towing is made easy for a variety of vehicles. Enjoy modern conveniences with a residential refrigerator featuring an ice maker, a spacious bathroom, and five slide-outs that enhance your living space. Experience the renowned quality and craftsmanship of Keystone RVs, designed to elevate your camping experience. Schedule your tour today!
Premium Features & Highlights
42.33 ft Length for Spacious Living
15,063 lbs Dry Weight for Easy Towing
Five Slide-Outs for Expanded Interior Space
Residential Refrigerator with Ice Maker
Sleeps 4 for Family Comfort
High BTU Air Conditioning for Year-Round Comfort
Select a category to view specs
Overview
Vehicle Identification & Details
8 specifications available
- Category
- Fifth Wheel
- Condition
- new
- Floorplan
- 3901RK
- Make
- Keystone RV
- Model
- Montana
- Stock Number
- MO2600
- VIN
- 4YDFM0U27T4700005
- Year
- 2026
Size & Weight
Dimensions, Weight, Construction & Exterior
11 specifications available
- Dry Weight
- 15,063 lbs
- GVWR
- 16,975 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
12 specifications available
- Available Beds
- King
- Bedroom Count
- 1
- 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
- Oven
- Yes
- Stovetop Burners
- 3
- Refrigerator Size
- 18
- Refrigerator Type
- Residential w/Ice Maker
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
3 specifications available
- Ac Btu
- 45,000 BTU
- Air Conditioning
- Yes
- Heater Btu
- 35,000 BTU
* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Sky River RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Sky River RV.
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Built to Last
Superior construction for years of adventures
HVAC
45,000 BTU Air Conditioning
Stay cool in any climate with powerful cooling capacity.
Plumbing
70-Gallon Fresh Water Tank
Extended off-grid capability for longer trips.
Ready for Your Next Adventure?
Experience the freedom of the open road with your next RV adventure
Payment Calculator
Estimate your monthly payments
from $697/mo
Estimated • 20% down
Schedule Tour
See this RV in person at our showroom
Showroom Hours
Mon-Fri: 9AM-6PM
700 E. Betteravia Road Santa Maria, CA 93454
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.
$98,048
est $649/mo