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Stock Number: 220422
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: WHITE
Description: New 2026 Keystone RV Montana 3781RL
Details: Keystone Montana fifth wheel 3781RL highlights: Front Private Bedroom Kitchen Island Rear Living Are...
Updated: Thursday, June 04, 2026 09:42 AM
Location: Amarillo, Texas
Seller: Fun Town RV - Amarillo
Stock Number: 220423
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: WHITE
Description: New 2026 Keystone RV Montana 3781RL
Details: Keystone Montana fifth wheel 3781RL highlights: Front Private Bedroom Kitchen Island Rear Living Are...
Updated: Thursday, June 04, 2026 09:42 AM
Location: Fairfield, Texas
Seller: Fun Town RV - Fairfield
Stock Number: 700456V
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: WHITE (MYSTIC WHITE)
Description: New 2026 Keystone RV Montana 3781RL
Details: Keystone Montana fifth wheel 3781RL highlights: Front Private Bedroom Kitchen Island Rear Living Are...
Updated: Monday, June 01, 2026 04:21 PM
Location: Victoria, Texas
Seller: Toliver RV - Victoria
Stock Number: 46602
Exterior Length: 41 ft
Condition: New
VIN: 4YDFM0T23T4700343
Hitch Weight: 2,695 lb
Fresh Water Tank Capacity: 70 gal
Description: Overview Discover the 2026 Keystone Montana 3781RL: Where Every Journey Becomes an Unforgettable Experience! Step into the world of luxury travel w...
Updated: Wednesday, June 03, 2026 01:39 PM
Location: Mesa, Arizona
Seller: RV Country - Mesa, AZ
Stock Number: KE18646
Exterior Length: 37 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Exterior Color: WHITE
Description: **** STK#: KE18646.****
NOW ON SPECIAL!!!
Whether you are on a weekend outing or cross-country journey, comfort on the road...
Updated: Thursday, May 21, 2026 12:47 PM
Location: Yuma, Arizona
Seller: RV World Yuma
Stock Number: 116967
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: New
Number of Axles: Tandem
Description: New 2025 Keystone RV Montana 3781RL
Details: Keystone Montana fifth wheel 3781RL highlights: Front Private Bedroom Kitchen Island Rear Living Are...
Updated: Friday, May 29, 2026 07:31 PM
Location: Attalla, Alabama
Seller: Bankston Motor Homes Of Gadsden
Stock Number: MON0896
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: Used
Exterior Color: Custom Paint Option; Shadow, Sterling, Cobalt, Mountain, Volcano
Description: Used 2024 Keystone RV Montana 3781RL
Details: Keystone Montana fifth wheel 3781RL highlights: The Legacy Package on this unit includes:• Painted r...
Updated: Tuesday, June 02, 2026 10:28 AM
Location: Seguin, Texas
Seller: America Go RV - Seguin
Stock Number: 434256
Exterior Length: 37 ft
Sleeps: 6
Condition: Used
Description: - Stock #434256 -
Only used 1 Season ! 2023 Montana by Keystone (3781RL) - Fifth Wheel RV in Pilesgrove, NJ
Looking for a great Fifth Wheel RV f...
Updated: Tuesday, April 07, 2026 08:36 AM
Location: Pilesgrove, New Jersey
Seller: Pop
Stock Number: F195
Exterior Length: 41 ft
Number of Slide Outs: 4
Condition: Used
VIN: 4YDFM0T29N4700933
Gross Vehicle Weight: 13,485 lb
Description: Stock Number: F19541' 2022 Keystone Montana 3781RL w/4 Slides.Experience the pinnacle of luxury travel with the 2022 Keystone Montana 3781RL. As pa...
Updated: Tuesday, June 02, 2026 07:01 PM
Location: Houston, Texas
Seller: PPL Motor Homes - Houston
Stock Number: 352130
Exterior Length: 3 ft 5 in
Sleeps: 4
Number of Slide Outs: 4
Condition: Used
Exterior Width: 8 in
Description: USED 2021 KEYSTONE MONTANA 3781RL – 352130
Keystone Montana fifth wheel 3781RL highlights:
Dual-Sink Vanity
Free-Standing Dinette
Kitch...
Updated: Friday, May 22, 2026 07:53 AM
Location: Brownstown, Michigan
Seller: General RV Center - Brownstown
Stock Number: 24493A
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: Used
VIN: 4YDF37827M4703185
Description: Tagline: This Won't Last Long
Discover the 2021 Keystone RV Montana 3781RL, a premium fifth-wheel designed for comfort and adventure. With a spaci...
Updated: Tuesday, May 26, 2026 11:40 AM
Location: Fort Myers, Florida
Seller: Gerzeny's RV World of Fort Myers
Stock Number: 236763
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: Used
Exterior Color: Cashmere
Description: - Stock #236763 -
It's a beautiful camper just not big enough for us. Big closet, w/d combo,and double sink bathroom.
The 2020 Montana 3781RL by...
Updated: Tuesday, April 07, 2026 08:36 AM
Location: Kane, Pennsylvania
Seller: Pop
Stock Number: 96835
Exterior Length: 41 ft
Sleeps: 4
Number of Slide Outs: 4
Condition: Used
Number of Axles: Tandem
Description: Used 2020 Keystone RV Montana 3781RL
Details: Keystone Montana fifth wheel 3781RL highlights: Dual Sink Vanity Free Standing Dinette Kitchen Isla...
Updated: Thursday, June 04, 2026 08:03 AM
Location: Houston, Texas
Seller: Ron Hoover RV & Marine - South Houston
