2026 Keystone Montana 3781RL

New Fifth Wheel in Muskegon, Michigan, 49442

$116,475.00
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New 2026 Keystone Montana 3781RL available in Muskegon, Michigan
2026 Keystone Montana 3781RL - New Fifth Wheel For Sale by Lakeshore RV in Muskegon, Michigan features Slideout

Unit Specs

  • Stock #JS3781RL
  • Year2026
  • ManufacturerKeystone RV
  • Make Keystone
  • ModelMontana
  • Floorplan3781RL
  • Floorplan LayoutFront Bedroom
    Kitchen Island
    Rear Living Area
  • Type Fifth Wheel
  • ConditionNew
  • Length41' 0"
  • VINJS3781RLFAB
  • Price $116,475.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Interior ColorOakmont, Woodcliff
  • Exterior ColorCustom Paint Option; Volcano, Sterling, Cobalt
  • Sleeps4
  • Water Capacity (Fresh)70 gal
  • Water Capacity (Black)49 gal
  • Water Capacity (Grey)88 gal
  • Slideouts4
  • Tow/Hitch Weight2695 lbs

New 2026 Keystone RV Montana 3781RL Fifth Wheel – Luxury Rear Living with King Suite

Call or text John Sobczak at 231-740-6225 for the best price, financing, and nationwide delivery!

Experience unparalleled comfort and style with the 2026 Keystone Montana 3781RL, a luxury fifth wheel designed for discerning travelers. Perfect for those seeking a spacious rear living area, a private king suite, and top-tier amenities, this model sets the standard for RV luxury.


Key Features of the 2026 Montana 3781RL

  • Rear Living Area: Dual opposing slides create a spacious living room with a hide-a-bed sofa, power theater seating, and a 50" Smart HDTV with JBL® Aura Mizone 3-zone audio system.

  • Gourmet Kitchen: Features a large kitchen island with solid surface countertops, a 20 cu. ft. 12V refrigerator, residential-size stainless steel convection microwave, and a 3-burner cooktop.

  • Private King Suite: Includes a king bed slide with storage underneath, a 32" Smart HDTV, a large front closet, and a barn door for added privacy.

  • Dual Vanity Bathroom: Enjoy the convenience of a dual sink vanity, a 48" x 30" fiberglass shower with a seat and skylight, and a porcelain toilet.

  • Outdoor Living: Equipped with two electric awnings with LED lighting, an outside shower, and a 3,000 lb towing hitch for added versatility.


Specifications

  • Length: 41' 0"

  • Dry Weight: 13,269 lbs

  • Hitch Weight: 2,695 lbs

  • Cargo Capacity: 3,426 lbs

  • Fresh Water Capacity: 70 gal

  • Gray Water Capacity: 88 gal

  • Black Water Capacity: 49 gal

  • Air Conditioning: 30,000 BTU

  • Heating: 35,000 BTU furnace

  • Electrical: 50 Amp service with detachable cord


Why Choose the Montana 3781RL

  • Superior Construction: Built with a 12" I-beam Z-frame, MORryde® CRE3000 suspension, and Dexter Gladiator® axles for enhanced durability and smooth towing.

  • All-Season Comfort: Features an insulated underbelly with forced hot air and electric tank heaters, ensuring comfort in various climates.

  • Residential Features: Enjoy the comforts of home with a central vacuum system, hardwood cabinetry, and high-performance A/C.

  • Exclusive Keystone Innovations: Includes a 3-year limited structural warranty, Blade Pure™ fresh air system, and Tru-fit™ slide construction for long-lasting performance.


Serving Customers Across Michigan, Florida, Ohio, Illinois, Indiana, Wisconsin, and Pennsylvania

Proudly serving customers in Michigan, Florida, Ohio, Illinois, Indiana, Wisconsin, and Pennsylvania, plus the rest of the U.S. Wherever you are, I ensure your Montana 3781RL arrives safely and ready to hit the road.


 

Ready to own the ultimate luxury fifth wheel?
Call or text John Sobczak at 231-740-6225 today for special pricing, financing, and nationwide delivery on the 2026 Keystone Montana 3781RL.

  • Front Bedroom
  • Kitchen Island
  • Rear Living Area

2026 Keystone Montana 3781RL Features


  • Exterior
    Slideout

2026 Keystone Montana 3781RL Specifications

General

MSRP

$130,553

Dimensions

Height

13' 4"

Length

41' 0"

Weights

Hitch Weight

2,695 lbs

Payload Capacity

2,405 lbs

Capacities

Refrigerator Capacity

18 cu ft

Sleep Capacity

4

Water Capacity - Black

49 gal

Water Capacity - Fresh

70 gal

Water Capacity - Grey

88 gal

Exterior

# Awnings

2

# Axles

2

# Doors

1

# Slides

4

Hitch

Fifth Wheel

Electrical

# A/C

1

A/C Spec

15K BTU Coleman Mach Quiet Series ducted A/C w/ heat pump main A/C

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Keystone Montana 3781RL Literature


Seller Info

Lakeshore RV

4500 E Apple Ave
Muskegon, MI 49442

Member Since 2025

See 1410 Reviews

Unit Specs

  • Stock #JS3781RL
  • Year2026
  • ManufacturerKeystone RV
  • Make Keystone
  • ModelMontana
  • Floorplan3781RL
  • Floorplan LayoutFront Bedroom
    Kitchen Island
    Rear Living Area
  • Type Fifth Wheel
  • ConditionNew
  • Length41' 0"
  • VINJS3781RLFAB
  • Price $116,475.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Interior ColorOakmont, Woodcliff
  • Exterior ColorCustom Paint Option; Volcano, Sterling, Cobalt
  • Sleeps4
  • Water Capacity (Fresh)70 gal
  • Water Capacity (Black)49 gal
  • Water Capacity (Grey)88 gal
  • Slideouts4
  • Tow/Hitch Weight2695 lbs

Estimated Payment-

Interest Rate % *(W.A.C.)
Term Years
Down Payment $
*W.A.C. = With approved credit

Email Seller

Request More Info on this 2026 Keystone Montana 3781RL Offered for sale by Lakeshore RV
Lakeshore RV
Lakeshore RV

4500 E Apple Ave
Muskegon, MI 49442

Phone: Click to Call

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New 2026 Keystone Montana 3781RL available in Muskegon, Michigan
2026 Keystone Montana 3781RL - New Fifth Wheel For Sale by Lakeshore RV in Muskegon, Michigan features Slideout