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Condition: New
Exterior Length: 40 ft 11 in
Fresh Water Tank Capacity: 70 gal
Stock Number: 44654
Exterior Color: Mystic White
Exterior Width: 8 in
Description: Overview Welcome Aboard the 2025 Keystone Montana 3857BR: Redefining Travel with Every Mile! The 2025 Keystone Montana 3857BR is not just an RV; it...
Updated: Tuesday, October 13, 2026 03:36 PM
Seller: RV Country - Mesa, AZ
Condition: New
Exterior Length: 40 ft 11 in
Sleeps: 8
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: New 2025 Keystone RV Montana 3857BR
Details: Keystone Montana fifth wheel 3857BR highlights: Middle Bunkroom Loft Kitchen Island Rear Living Area...
Updated: Thursday, September 24, 2026 08:17 AM
Seller: Blue Compass RV North Atlanta
Condition: Used
Exterior Length: 40 ft 11 in
Sleeps: 8
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2023 Keystone RV Montana 3857BR
Details: Keystone Montana fifth wheel 3857BR highlights: Two Bedrooms Loft Kitchen Island Rear Living Area O...
Updated: Tuesday, November 03, 2026 08:53 AM
Seller: Palmetto State RV
