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Stock Number: 359829
Exterior Length: 3 ft 4 in
Sleeps: 8
Number of Slide Outs: 4
Condition: Used
Exterior Width: 8 in
Description: USED 2021 KEYSTONE MONTANA 3855BR – 359829
## Keystone Montana 3855BR highlights
* Mid-Bunk Room
* Loft Sleeping Area
* Rear Living Room...
Updated: Monday, August 17, 2026 03:33 AM
Location: Mt. Clemens, Michigan
Seller: General RV Center - Mt. Clemens
Stock Number: 703353
Exterior Length: 40 ft 10 in
Sleeps: 8
Number of Slide Outs: 4
Condition: Used
Exterior Color: Cashmere, Cobalt, Sterling
Description: Used 2019 Keystone RV Montana 3855BR
Details: Keystone Montana fifth wheel 3855BR highlights: Bonus Room Loft Free Standing Dinette Residential R...
Updated: Tuesday, June 09, 2026 03:41 PM
Location: Desert Hot Springs, California
Seller: KARV
Stock Number: 44654
Exterior Length: 40 ft 11 in
Condition: New
Exterior Color: Mystic White
Exterior Width: 8 in
VIN: 4YDFM0T26S4700450
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: Sunday, August 30, 2026 07:17 AM
Location: Mesa, Arizona
Seller: RV Country - Mesa, AZ
Stock Number: T122320
Exterior Length: 40 ft 11 in
Sleeps: 8
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
Description: New 2025 Keystone RV Montana 3857BR
Details: Keystone Montana fifth wheel 3857BR highlights: Middle Bunkroom Loft Kitchen Island Rear Living Area...
Updated: Saturday, August 29, 2026 08:15 AM
Location: Buford, Georgia
Seller: Blue Compass RV North Atlanta
Stock Number: 17P287
Exterior Length: 40 ft
Sleeps: 8
Number of Slide Outs: 4
Condition: Used
Exterior Color: WHITE
Description: Consumers, please be aware that if you are purchasing a NEW Motorized OR Non-Motorized Recreational Vehicle from any Kunes RV dealership there will...
Updated: Friday, August 21, 2026 11:08 AM
Location: Elkhorn, Wisconsin
Seller: Kunes RV of Elkhorn
Stock Number: 7025
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: BISON BLACK
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Monday, August 24, 2026 04:04 AM
Location: Perry, Iowa
Seller: McKee RV
Stock Number: 6882
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: BISON BLACK
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Sunday, August 02, 2026 04:13 AM
Location: Perry, Iowa
Seller: McKee RV
Stock Number: 118147
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: BISON BLACK
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, August 26, 2026 07:26 AM
Location: Huntsville, Alabama
Seller: Bankston Motor Homes of Hunstville
Stock Number: 19230
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: BISON BLACK
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Thursday, August 27, 2026 10:39 AM
Location: Lorena, Texas
Seller: RV Station-Waco
Stock Number: 19230
Condition: New
VIN: 4YDFM0V22V4700088
Description:
Updated: Thursday, August 27, 2026 10:39 AM
Location: Lorena, Texas
Seller: RV Station-Waco
Stock Number: 7026
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: MYSTIC WHITE
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Monday, August 24, 2026 04:04 AM
Location: Perry, Iowa
Seller: McKee RV
Stock Number: 118199
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, August 26, 2026 07:26 AM
Location: Attalla, Alabama
Seller: Bankston Motor Homes Of Gadsden
Stock Number: 118200
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Friday, August 28, 2026 07:30 PM
Location: Huntsville, Alabama
Seller: Bankston Motor Homes of Hunstville
Stock Number: 700245K
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Condition: New
Exterior Color: Frontier Gold Full Body Paint Option
Description: New 2027 Keystone RV Montana 3900RK
Details: LET'S TALK MAP PRICING! THE PRICE YOU SEE ADVERTISED IS THE MINIMUM ADVERTISED PRICE (MAP) SET BY THE...
Updated: Friday, August 28, 2026 09:02 AM
Location: Bryan, Texas
Seller: T&S RV & Sport - Bryan
Stock Number: 700244K
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Condition: New
Exterior Color: Frontier Gold Full Body Paint Option
Description: New 2027 Keystone RV Montana 3900RK
Details: LET'S TALK MAP PRICING! THE PRICE YOU SEE ADVERTISED IS THE MINIMUM ADVERTISED PRICE (MAP) SET BY THE...
Updated: Friday, August 28, 2026 09:02 AM
Location: Bryan, Texas
Seller: T&S RV & Sport - Bryan
Stock Number: T154029
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Saturday, August 29, 2026 08:16 AM
Location: Buford, Georgia
Seller: Blue Compass RV North Atlanta
Stock Number: 363615
Exterior Length: 3 ft 6 in
Sleeps: 6
Number of Slide Outs: 4
Condition: New
Exterior Width: 8 in
Description: NEW 2027 KEYSTONE MONTANA 3900RK – 363615
The Keystone Montana 3900RK luxury fifth wheel is designed to bring residential comfort and up...
Updated: Monday, August 17, 2026 10:16 AM
Location: North Canton, Ohio
Seller: General RV Center - Canton
Stock Number: 118172
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: BISON BLACK
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, August 26, 2026 07:26 AM
Location: Huntsville, Alabama
Seller: Bankston Motor Homes of Hunstville
Stock Number: 359569
Exterior Length: 3 ft 6 in
Sleeps: 6
Number of Slide Outs: 4
Condition: New
Exterior Width: 8 in
Description: NEW 2027 KEYSTONE MONTANA 3900RK – 359569
The Keystone Montana 3900RK luxury fifth wheel is designed to bring residential comfort and up...
Updated: Saturday, August 29, 2026 03:32 AM
Location: North Canton, Ohio
Seller: General RV Center - Canton
Stock Number: 19192
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
VIN: 4YDFM0V21T4700922
Description: New 2026 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Thursday, August 27, 2026 10:39 AM
Location: Tyler, Texas
Seller: RV Station-Tyler
Stock Number: 94807
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
VIN: 4YDFM0V2XT4700966
Description: New 2026 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Monday, August 24, 2026 03:44 PM
Location: Schererville, Indiana
Seller: Petes RV Indiana
Stock Number: 19018
Condition: New
VIN: 4YDFM0V20T4700975
Description:
Updated: Thursday, August 27, 2026 10:39 AM
Location: Lorena, Texas
Seller: RV Station-Waco
Stock Number: 19018
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: MYSTIC WHITE
Description: New 2026 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Thursday, August 27, 2026 10:39 AM
Location: Lorena, Texas
Seller: RV Station-Waco
Stock Number: 118116
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
VIN: 4YDFM0V21T4700998
Description: New 2026 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, August 26, 2026 07:26 AM
Location: Huntsville, Alabama
Seller: Bankston Motor Homes of Hunstville
Stock Number: T132942
Exterior Length: 42 ft 4 in
Sleeps: 4
Number of Slide Outs: 5
Condition: New
Number of Axles: Tandem
Description: New 2026 Keystone RV Montana 3901RK
Details: Keystone Montana fifth wheel 3901RK highlights: Rear Raised Kitchen Bath and a Half King Bed Firepla...
Updated: Saturday, August 29, 2026 08:15 AM
Location: Buford, Georgia
Seller: Blue Compass RV North Atlanta
Stock Number: 46606
Exterior Length: 42 ft 4 in
Condition: New
VIN: 4YDFM0U2XT4700581
Hitch Weight: 2,975 lb
Interior Color: Oakmont
Description: Overview Discover the 2026 Keystone Montana 3901RK: Where Every Journey Becomes an Unforgettable Experience! Step into the world of luxury travel w...
Updated: Tuesday, August 18, 2026 09:23 AM
Location: Mesa, Arizona
Seller: RV Country - Mesa, AZ
Stock Number: 364103
Exterior Length: 3 ft 6 in
Sleeps: 4
Number of Slide Outs: 5
Condition: Used
Hitch Weight: 2,975 lb
Description: USED 2026 KEYSTONE MONTANA 3901RK – 364103
Keystone Montana fifth wheel 3901RK highlights:
Rear Kitchen
Bath and a Half
King Bed
Firepl...
Updated: Friday, August 28, 2026 03:37 AM
Location: West Palm Beach, Florida
Seller: General RV Center West Palm Beach
Stock Number: 18321
Exterior Length: 42 ft 4 in
Sleeps: 4
Number of Slide Outs: 5
Condition: New
Number of Axles: Tandem
Description: New 2026 Keystone RV Montana 3901RK
Details: Keystone Montana fifth wheel 3901RK highlights: Rear Raised Kitchen Bath and a Half King Bed Firepla...
Updated: Thursday, August 27, 2026 11:11 AM
Location: Tyler, Texas
Seller: RV Station-Tyler
