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Condition: Used
Exterior Length: 40 ft 9 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: ✨ Luxury living meets open-road freedom in this 2019 Keystone Montana 3811MS! ✨
If you’ve been searching for the perfect balance of comfort, sty...
Updated: Thursday, October 15, 2026 11:03 AM
Seller: Kanar RV Sales
Condition: Used
Exterior Length: 40 ft
Sleeps: 4
Number of Slide Outs: 3
Gross Vehicle Weight: 13,920 lb
Stock Number: F125DE
Description: Stock Number: F125DE40' 2019 Keystone Montana 20th Anniversary 3811MS w/3 Slides.C2019 Keystone Montana 20th Anniversary 3811MS, a coach designed f...
Updated: Thursday, October 15, 2026 08:11 AM
Seller: PPL Motor Homes - Decatur
Condition: Used
Exterior Length: 40 ft 9 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2018 Keystone RV Montana 3811MS
Details: Keystone Montana fifth wheel model 3811MS highlights: Unique Master Suite Front Window Lounge Walk-...
Updated: Friday, October 23, 2026 10:28 AM
Seller: America Go RV - Comfort
Condition: Used
Exterior Length: 40 ft 9 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2018 Keystone RV Montana 3811MS
Details: Keystone Montana fifth wheel model
3811MS
highlights: Unique Master Suite Front Window Lounge Wal...
Updated: Friday, October 16, 2026 05:07 PM
Seller: RV Station Donna
