Unit Specs
- Stock #31603
- Year2026
- ManufacturerKeystone RV
- Make Keystone
- ModelMontana
- Floorplan3900RK
- Type Fifth Wheel
- ConditionNew
- Length43' 10"
- VIN4YDFM0V20T4700930
- Price $139,995.00
- Need to know your payment? Use our RV Loan Calculator!
- Sleeps6
- Water Capacity (Black)100 gal
- Water Capacity (Grey)150 gal
- Slideouts4
Looking to buy a 2026 Keystone Montana Fifth Wheel RV?
View a video of this 2026 Keystone Montana 3900RK RV on YouTube!
This 2026 Keystone Montana 3900RK is outfitted with all the features you need for happy camping. Ready to be a proud Keystone owner? This 2026 Keystone Montana 3900RK is the perfect fit. If you’re looking for a family RV, you’ve found it: this rig sleeps 6. You won’t believe how big this RV feels with 4 slides.
2026 Keystone Montana 3900RK Features
2026 Keystone Montana 3900RK Literature
2026 Keystone Montana Brochure 1
2026 Keystone Montana Brochure 2
Call:
231-428-4499
Stock #: 31603
Dealer Info
![Lakeshore RV]()
Unit Specs
- Stock #31603
- Year2026
- ManufacturerKeystone RV
- Make Keystone
- ModelMontana
- Floorplan3900RK
- Type Fifth Wheel
- ConditionNew
- Length43' 10"
- VIN4YDFM0V20T4700930
- Price $139,995.00
- Need to know your payment? Use our RV Loan Calculator!
- Sleeps6
- Water Capacity (Black)100 gal
- Water Capacity (Grey)150 gal
- Slideouts4
Looking to buy a 2026 Keystone Montana Fifth Wheel RV?
Estimated Payment-
Interest Rate
% *(W.A.C.)
Term
Years
Down Payment $
*W.A.C. = With approved credit
Email Dealer
Request More Info on this 2026 Keystone Montana 3900RK Offered for sale by Lakeshore RV
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