2026 Keystone RV Montana 3781RL

Vehicle Photo
  • MSRP: $144,265
  • Dealer Discount: $30,315
  • Finance Incentive: $4,000
  • Sale Price: $109,950
  • As Low As: $735 /mo (Edit)
Stock #: 21175126
Tampa, FL
  • Available
  • New
  • Class: Fifth Wheel
  • Length: 41 ft
  • Slides: 4
  • Dry Weight: 14,290
  • Sleeps: 4

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  • Front Bedroom
  • Kitchen Island
  • Rear Living Area
Floorplan
  • Available Beds King
  • Exterior Height 13 ft 4in
  • Pin Weight 2,695 lbs
  • Dry Weight 14,290 lbs
  • Tire Size 215/75R17.5""H
  • Axle Count 2
  • Fresh Water Capacity 70 gal
  • Grey Water Capacity 88 gal
  • Black Water Capacity 49 gal
  • Furnace BTU 35,000
  • Refrigerator Type Residential w/ Ice maker
  • Refrigerator Size 18
  • Convection Cooking Yes
  • Cooktop Burners 3
  • Shower Size 48"" x 30
  • Shower Type Shower w/Seat
  • Number of Awnings 2
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR 50"" Smart TV, BR 32"" LCD TV

Step into the world of luxury, space, and ultimate adventure with the all-new 2026 Keystone RV Montana 3781RL, a fifth-wheel designed for RVers who demand premium comfort, modern amenities, and a lifestyle that lets them explore without compromise. Ideal for couples, families, or anyone who enjoys long-term travel, the Montana 3781RL combines spacious living, thoughtful design, and high-end finishes to create the perfect home-on-wheels.

The Montana 3781RL features a rear living floorplan that maximizes space and comfort. Dual slide-outs open up the main living area, creating a bright and inviting environment for relaxing, entertaining, or enjoying meals with family and friends. Large panoramic windows bring the outdoors inside, offering stunning views and filling the interior with natural light, giving every moment inside a warm and welcoming feel.

At the heart of this fifth-wheel is a chef-inspired kitchen designed for convenience and style. Solid surface countertops, a three-burner cooktop, microwave, and residential refrigerator make meal preparation simple, while ample cabinetry and pantry space keep your essentials organized and easily accessible. Whether you’re cooking quick breakfasts or full gourmet dinners, the Montana 3781RL’s kitchen makes every meal a pleasure.

The private front bedroom provides a serene retreat with a spacious king bed, wardrobe storage, and overhead cabinets. For additional guests, the living area’s theater seating or sofa easily converts into extra sleeping space, making the 3781RL perfect for families or entertaining friends on extended trips.

The full bathroom offers a residential-style shower, vanity, and linen storage, ensuring convenience and comfort during every adventure. Premium finishes and durable materials throughout the interior deliver long-lasting quality and a modern, elegant aesthetic.

Outdoor living is enhanced with a large power awning, perfect for creating a shaded space for dining, relaxing, or socializing. Exterior storage compartments provide ample room for camping gear, outdoor equipment, and travel essentials. Built with high-quality construction, the Montana 3781RL is ready for traditional campgrounds and off-grid adventures alike.

Comfort is a priority year-round with ducted air conditioning, a reliable furnace, and superior insulation, maintaining an ideal interior climate regardless of the weather. Keystone’s engineering ensures smooth towing, durable construction, and dependable performance, giving you confidence on every journey.

Why choose the 2026 Keystone RV Montana 3781RL? It offers the ultimate combination of luxury, smart design, and modern amenities in a towable fifth-wheel. From the rear living layout and chef-inspired kitchen to the private bedroom retreat and outdoor enhancements, every feature is crafted to make life on the road comfortable, convenient, and unforgettable.

When you purchase from Lazydays RV powered by Campers Inn RV, you’re choosing a dealership known for selection, service, and support. With a wide inventory of new and pre-owned RVs, competitive pricing, and a knowledgeable team ready to guide you, finding your dream RV is seamless and enjoyable. Flexible financing options and full-service support ensure your Montana 3781RL remains road-ready for years to come.

Choosing Lazydays RV powered by Campers Inn RV means gaining a trusted partner for your RV lifestyle. From your first walkthrough to ongoing service and support, they provide expert guidance, customer-focused care, and peace of mind every mile of the

†Lazydays strives to ensure the accuracy of the information provided on this website. However, actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing or specifications. Specifications and availability subject to change without notice. Price, length, weight, or any other specifications cannot be relied upon. Buyers should verify and confirm all claims made on the website. Sale price includes all manufacturer discounts and rebates. All prices listed on this site exclude tax, tags and title fees. Applicable government fees, state taxes, dealer fees and emissions testing charges will be added to comply with state vehicle codes. Freight and prep costs are additional and vary by state. Contact Lazydays for complete details.

*90 Days – Payments can be deferred for 90 days with approved credit. Interest accrues from contract date. Financing terms subject to lender approval. Not valid with other offers. Actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Document fees vary by location. See dealership for complete details.

**Lazydays believes the specifications on this site supplied by the manufacturer to be correct at the time posted. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some equipment may be unavailable when a vehicle is built. Some vehicles are pictured with options, which may be available at extra cost or may not be available on some models. You should verify the equipment that is on all vehicles. If a new vehicle shown on this website is subject to an open safety recall, Lazydays cannot deliver the vehicle to you until the recall repair is completed. This is a requirement of federal law.

***The advertised discount contains a $4,000 finance incentive. Finance Incentive applies if financing for your RV purchase is obtained with assistance by Lazydays and placed with a third party lender. Terms and Conditions may apply. Contact our finance department for further details.

****Margaritaville offer valid for a limited time only at Lazydays RV of Tampa. Customers who purchase a new RV or complete a qualified service appointment (appointment must be booked and customer must show for the appointment) are eligible to receive a complimentary 3-day, 2-night stay at Camp Margaritaville RV Resort of Auburndale. Offer valid while supplies last. Promotion is non-transferable, has no cash value, and cannot be combined with other offers or promotions. Limit one promotional stay per customer, per transaction. Resort stay subject to availability and blackout dates may apply. Resort reservation must be made within 30 days of RV purchase or completed service appointment. Valid for Florida residents and legal U.S. residents only, 18 years or older. Additional terms and conditions may apply. Lazydays RV of Tampa reserves the right to modify or cancel this promotion at any time without notice. Void where prohibited by law.