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New 2027 KEYSTONE RV CO MONTANA 3800FL
West Palm Beach, Florida
MSRP$173,172 USD $134,995
Condition: New
Exterior Length: 42 ft
Sleeps: 4
Number of Slide Outs: 5
Fresh Water Tank Capacity: 77 gal
Stock Number: 360186
Description: NEW 2027 KEYSTONE MONTANA 3800FL – 360186
## Keystone Montana 3800FL Highlights
* Front Living Room
* Bath and a Half
* King Bed Suite
*...
Updated: Sunday, September 27, 2026 03:30 AM
Seller: General RV Center West Palm Beach
New 2027 KEYSTONE RV CO MONTANA 3800FL
South Burlington, Vermont
MSRP$188,399 USD $134,995
Condition: New
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Stock Number: 94722
VIN: 4YDFM0V25V4700019
Description: New 2027 Keystone RV Montana 3800FL
Details: Keystone Montan fifth wheel 3800FL highlights: Five Slides Kitchen Island Dual Sofas Bath and a Half...
Updated: Wednesday, September 30, 2026 03:45 AM
Seller: Petes RV Vermont
Condition: New
Exterior Length: 42 ft 7 in
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3800FL
Details: Keystone Montan fifth wheel 3800FL highlights: Five Slides Kitchen Island Dual Sofas Bath and a Half...
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Nacogdoches
Condition: New
Stock Number: 19016
VIN: 4YDFM0V20V4700008
Description:
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Waco
Condition: New
Exterior Length: 42 ft 7 in
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3800FL
Details: Keystone Montan fifth wheel 3800FL highlights: Five Slides Kitchen Island Dual Sofas Bath and a Half...
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Waco
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: Used 2020 Keystone RV Montana 3810MS
Details: Keystone Montana fifth wheel 3810MS highlights: Patent-Pending Windshield Unique Master Suite Front...
Updated: Wednesday, October 14, 2026 03:13 AM
Seller: Markquart RV - Ramsey
Condition: Used
Stock Number: 100765
VIN: 4YDF3812XK4700875
Description: Primary Used 2019 Keystone Montana 3811MS Fifth Wheel The 2019 Keystone Montana 3811MS is a luxury fifth wheel designed for couples who want reside...
Updated: Thursday, October 15, 2026 09:58 AM
Seller: Ron Hoover RV & Marine - Tulsa
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 9 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: Used 2019 Keystone RV Montana 3811 MS
Details: Keystone Montana fifth wheel 3811MS highlights: Unique Master Suite Front Window Lounge Walk-In Cl...
Updated: Thursday, October 15, 2026 09:58 AM
Seller: Ron Hoover RV & Marine - Tulsa
Condition: Used
Exterior Length: 40 ft
Sleeps: 4
Number of Slide Outs: 3
Fresh Water Tank Capacity: 66 gal
Stock Number: 365623
Description: USED 2019 KEYSTONE MONTANA 3811MS – 365623
Keystone Montana 3811MS Fifth Wheel highlights:
Front Bedroom
Large Kitchen with Island
Rear...
Updated: Thursday, September 17, 2026 03:32 AM
Seller: General RV Center West Palm Beach
Used 2019 KEYSTONE RV CO MONTANA 3811MS
West Middlesex, Pennsylvania
MSRP$48,995 USD $45,495
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: Used 2019 Keystone RV Montana 3811MS
Details: Keystone Montana fifth wheel 3811MS highlights: Unique Master Suite Front Window Lounge Walk-In Clo...
Updated: Friday, September 11, 2026 03:02 AM
Seller: Best Choice Trailers and RV
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: Thursday, October 15, 2026 09:11 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
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: Used 2022 Keystone RV Montana 3813MS
Details: Keystone Montana fifth wheel 3813MS highlights: Front Master Suite Kitchen Island Rear Living Area ...
Updated: Friday, October 09, 2026 07:30 PM
Seller: Bankston Motor Homes of Hunstville
Condition: Used
Sleeps: 4
Number of Slide Outs: 3
Gross Vehicle Weight: 16,800 lb
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: ****STK#: CW19254A.****
3813MS
The Keystone Montana 3813MS is a luxury, trip...
Updated: Friday, October 16, 2026 05:08 PM
Seller: RV World Yuma
Condition: Used
Exterior Length: 38 ft
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: 2021 KEYSTONE MONTANA 3813 MS
Stock No. 5253T
$54,950.00
CALL/TEXT THOMAS MAY !!
JUST ARRIVED ON TRADE!!
VERY CLEAN INSIDE AND OUT!!
EVERY...
Updated: Thursday, September 03, 2026 05:43 PM
Seller: Findlay Truck & RV
Used 2021 KEYSTONE RV CO MONTANA 3813MS
Dover, Florida
MSRP$66,993 USD $47,993
View Floor Plan
Condition: Used
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 3
Exterior Height: 13 ft 4 in
Fresh Water Tank Capacity: 66 gal
Description: USED 2021 KEYSTONE MONTANA 3813MS – 356614
**Keystone Montana fifth wheel 3813MS highlights:**
- Hide-A-Bed Sofa
- Residential Refrigera...
Updated: Thursday, October 08, 2026 03:32 AM
Seller: General RV Center - Dover
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: The 2021 Keystone Montana Series M 3813MS offers an exceptional living experience with a spacious layout that sleeps four comfortably. With a dry w...
Updated: Monday, October 12, 2026 09:53 AM
Seller: Southland RV LaGrange
Condition: Used
Exterior Length: 41 ft 9 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: Used 2021 Keystone RV Montana 3813MS
Details: ***COMING SOON*** Call for pricing: Keystone Montana fifth wheel 3813MS highlights: Hide-A-B...
Updated: Monday, October 12, 2026 09:53 AM
Seller: Southland RV LaGrange
Condition: Used
Exterior Length: 40 ft
Sleeps: 4
Number of Slide Outs: 3
Stock Number: 7695
Air Conditioning: Yes
Description: Front Bedroom - Front Bathroom: 3 Slides, Air, Awning, Slide Toppers, Back Ladder, 2 TV'S, Fireplace, Sofa/Bed, Theater Seating, Refrigerator, Mic...
Updated: Monday, August 17, 2026 11:13 AM
Seller: Town & Country RV Center Inc.
Condition: Used
Exterior Length: 40 ft 9 in
Fresh Water Tank Capacity: 66 gal
Stock Number: UCO9948
Exterior Width: 8 in
VIN: 4YDF38225J4701302
Description:
Updated: Tuesday, October 13, 2026 03:39 PM
Seller: RV Country - Coburg, OR
Condition: Used
Exterior Length: 40 ft 9 in
Sleeps: 8
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2018 Keystone RV Montana 3820FK
Details: Keystone Montana fifth wheel 3820FK highlights: Patent-Pending Front Windshield Design U-Shaped Din...
Updated: Thursday, October 15, 2026 10:05 PM
Seller: RV Station-Katy
Condition: Used
Exterior Length: 40 ft
Sleeps: 8
Number of Slide Outs: 5
Fresh Water Tank Capacity: 66 gal
Stock Number: 362319
Description: USED 2017 KEYSTONE MONTANA 3820FK – 362319
This Keystone Montana fifth wheel model 3820FK features a front raised kitchen that will make...
Updated: Saturday, October 17, 2026 03:33 AM
Seller: General RV Center - Dover
Used 2017 KEYSTONE RV CO MONTANA 3820FK
South Windsor, Connecticut
MSRP$48,981 USD $37,995
Condition: Used
Exterior Length: 40 ft 9 in
Sleeps: 8
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2017 Keystone RV Montana 3820 FK
Details: **Handyman Special** This unit is being sold as is. Front kitchen slide falling out of camper. sli...
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV - Connecticut
Condition: Used
Exterior Length: 40 ft
Sleeps: 2
Number of Slide Outs: 5
Gross Vehicle Weight: 13,100 lb
Stock Number: F168NB
Description: Stock Number: F168NB40' 2017 Keystone Montana Legacy 3820FK w/5 Slides.Experience the pinnacle of luxury travel with this 2017 Montana Legacy 3820F...
Updated: Thursday, October 15, 2026 08:11 AM
Seller: PPL Motor Homes - New Braunfels
Used 2021 KEYSTONE RV CO MONTANA 3855BR
Mt. Clemens, Michigan
MSRP$59,987 USD $47,885
View Floor Plan
Condition: Used
Exterior Length: 40 ft
Sleeps: 8
Number of Slide Outs: 4
Exterior Height: 13 ft 5 in
Fresh Water Tank Capacity: 66 gal
Description: USED 2021 KEYSTONE MONTANA 3855BR – 359829
## Keystone Montana 3855BR highlights
* Mid-Bunk Room
* Loft Sleeping Area
* Rear Living Room...
Updated: Saturday, October 10, 2026 03:34 AM
Seller: General RV Center - Mt. Clemens
Condition: Used
Exterior Length: 40 ft 10 in
Sleeps: 8
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2019 Keystone RV Montana 3855BR
Details: Keystone Montana fifth wheel 3855BR highlights: Bonus Room Loft Free Standing Dinette Residential R...
Updated: Saturday, October 17, 2026 08:02 AM
Seller: KARV
