{"@context":"https://schema.org","@type":"Product","name":"15 Keystone Fifth Wheels for sale","offers":{"@type":"AggregateOffer","offerCount":15,"lowPrice":"42950.00","highPrice":"114995.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-montana-3761fl/b72321b8-1c15-11f0-ba3e-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE MONTANA 3761FL","description":"2025 Keystone Montana 3761FL,

The 2025 Keystone Montana 3761FL is a luxury, full-profile, front-living fifth wheel known for its spacious layout, residential amenities, and four-season capability. It features 5 slides, a front entertainment center, and a bath-and-a-half configuration.

Here is the total breakdown of specs and highlights based on standard and typical equipment.

Key Highlights & Features

Layout: Front Living room, mid-kitchen, rear primary suite, bath-and-a-half.

Living Area: Elevated front lounge with Lazy Boy residential furniture, 50\" Smart TV, and electric fireplace.

Kitchen: Solid surface countertops, 18 cu. ft. residential fridge (optional 20 cu ft 12V), stainless convection microwave, and island sink.

Bedroom: King bed (Queen optional), 32\" TV, and massive closet with washer/dryer prep.

Construction: Welded aluminum frame, 12\" I-beam, MaxTurn front cap, and walkable TPO roof.

Four-Season Rated: Tested for 0°F usage with heated enclosed underbelly, tank heaters, and extra insulation.

Solar/Power: SolarFlex 220 standard (220W), optional upgrades available.

Leveling: Ground Control 6-point hydraulic auto-leveling.

Technical Specifications (Approximate)

Core Specifications 2026 Keystone Cougar 350 LLK

Type: Fifth Wheel RV (Premium Cougar, available with Midnight Edition package)

Sleeping Capacity: Sleeps up to 4 comfortably

Length: ~39 ft 3 in

Dry Weight: ~11,945 lbs

Fresh Water Capacity: 75 gal

Gray/Black Tanks: ~76 gal / 38 gal

Propane Tanks: Dual tanks (~60 30 lbs each)

Refrigerator: 16 cu ft 12V

AC: 15,000 BTU ducted system standard

Electrical: 50 amp service

Slide Outs: 4 slide-outs for maximum living space

Midnight Edition Exterior & Aesthetic Highlights

The Midnight Edition is an upgraded visual and performance package available on Premium Cougar models like the 350 LLK:

Bold Full-Body Automotive Paint: Black Onyx or Phantom Gray automotive-grade finish with KeyShield protection for resistance to peeling/fading on the road

Frameless Windows & Blackout Rims: Sleek, modern exterior look

Anti-Lock Braking System (ABS): Enhanced control and safety while towing

Blue LED Exterior Accent Lighting: Chassis, awning, and front cap accents for style and visibility

Enhanced Solar & Battery: SolarFlex Discover 440i (or options) and lithium-ion batteries for off-grid capability

Second AC Unit: Additional cooling capacity for hotter climes or larger living areas

Interior & Comfort Features

Living & Entertainment

Spacious rear luxury kitchen with wrap-around counter space, large sink, substantial prep room, and residential-style appliances

L-shaped sofa and central living area excellent for comfort and socializing

50 HD Smart TV an","itemCondition":"Used","priceCurrency":"USD","price":"85950.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-cougar-half-ton-23mle/429db018-4d94-11f0-808c-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COUGAR HALF-TON 23MLE","description":"2025 Keystone Cougar Half-ton 23MLE,","itemCondition":"Used","priceCurrency":"USD","price":"43992.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-montana-3100rl/958e59c3-1f63-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE MONTANA 3100RL","description":"2026 Keystone Montana 3100RL,
The 2026 Keystone Montana 3100RL is a luxury, 36-foot (approx. 35'11\" - 37'8\") rear-living fifth wheel designed for couples and four-season living. It features a 101-inch wide-body construction, a 15,000+ lb dry weight, and a, new, beefier chassis with Kurt TCS suspension. Key amenities include a, king bed, a, kitchen island, and a, hidden pantry.
Key Specifications

Length: ~35 ft 11 in to 37 ft 8 in

Dry Weight: ~12,881 lbs - 15,420 lbs

GVWR:

17,250 lbs

Sleeping Capacity: 4

Slides: 3

Height: 13 ft 4 in - 13 ft 5 in

Highlighted Features

Construction: 101-inch wide-body design with a, Kurt Helix pin box and TCS suspension.

Climate Control: Rated for 0 110°F with heated holding tanks.

Interior: Features a kitchen island, residential appliances, theatre seating, a, fireplace, and a smart TV.

Bathroom/Bedroom: Large, rear-living layout includes a, king bed, and, a, spacious shower with a, seat.

Exterior: Two power awnings with underglow lighting, 440W solar prep, and a, drop-frame pass-through storage area.

The 2026 Montana 3100RL is part of Keystone s top-selling, premium line, often considered for full-time, long-term travel.
","itemCondition":"Used","priceCurrency":"USD","price":"114995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-cougar-364bhl/8b92837e-48dd-11f0-808c-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COUGAR 364BHL","description":"2025 Keystone Cougar 364BHL,","itemCondition":"Used","priceCurrency":"USD","price":"62992.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-320rds/cf930345-ed1e-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 320RDS","description":"2026 Keystone Cougar 1776 Edition 320RDS,
The 2026 Keystone Cougar 320RDS is a rear-living fifth wheel featuring a 3-slide design, around 36'10\" long, with a 1,776 lb hitch weight and sleeping for 6, offering amenities like a 16 cu ft fridge, 15K BTU A/C, tankless water heater, king bed, 4K TV, power awning, auto-leveling, and a 220W solar package, built on a robust I-beam chassis for comfortable extended stays.

Key Specifications

Type: Fifth Wheel

Floorplan: 320RDS (Rear Living)

Length: 36' 10\"

Height: 13' 4\"

Dry Weight: Approx. 11,133 lbs

Hitch Weight: 1,776 lbs (Note the special \"1776 Edition\" tie-in)

Sleeps: 6

Slides: 3

Features & Capacities

Chassis: I-beam with Road Armor equalizer

Leveling: Electric 4-point auto-leveling

Climate: 15K BTU A/C (with optional 18K upgrade/prep), furnace, tankless water heater, 5200 BTU fireplace

Kitchen: 16 cu ft 12v Fridge, 22\" oven, 3-burner stove, 30\" microwave, 4K TV on televator

Bedroom: King-size bed with USB ports

Exterior: Power awning w/ LED, LED docking lights, outside speakers, rear accessory hitch, SolarFlex 220-watt package

Water: 75 gal Fresh, 76 gal Grey, 38 gal Black

","itemCondition":"Used","priceCurrency":"USD","price":"69950.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-half-ton-29mbd/fd27e8e9-2285-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR HALF-TON 29MBD","description":"2026 Keystone Cougar Half-ton 29MBD,
https://www.keystonerv.com/product/cougar-half-ton/premium-fifth-wheels

The 2026 Keystone Cougar Half-Ton 29MBD is a premium mid-bunk fifth wheel designed for half-ton trucks, featuring a rear kitchen, a dedicated mid-bunk room, and a front king master bedroom. This family-friendly, 34-foot unit boasts two slide-outs and is engineered for4-season camping.

Key Highlights

Unique Mid-Bunk Floorplan: Features a versatile middle room with built-in twin bunks, a trundle bed, and a flip-up desk/table for remote work.

Rear Kitchen Layout: Maximizes counter space and entertainment potential, opposite the main living/dining area.

4-Season Camping: Climate Guard Protection Package with heat-deflecting white sidewalls, 12V heat pads on all holding tanks, and dual roof attic vents.

Construction: Features 100% inorganic and water-resistant HyperDeck flooring and HyperCore composite wall construction.

KeyTV & Solar: Equipped with the KeyTV multisource signal controller and SolarFlex Protect system.

Towing/Exterior: Curt Helix coil spring pin box, 4-point electric auto-leveling, and Goodyear Endurance tires.

Specs and Measurements

Shipping Weight: Approx. 9,235 lbs

Carrying Capacity: Approx. 2,100 2,200 lbs

Length: 33 ft 11 in

Height: 12 ft 8 in

Sleeping Capacity: 7 10 (due to mid-bunk + king bed + sofa/theater seating)

Tank Capacities: 54 gal Fresh / 60 gal Gray / 30 gal Waste

Interior Features

Master Bedroom: 70\" x 80\" King bed with dual nightstands, USB ports, and washer/dryer prep.

Living Area: Theater seats with heat/massage (or trifold sofa), booth dinette with storage, and high-def smart TV on a swing arm.

Kitchen: 10.4 cu ft 12V refrigerator, 22\" oven with 3-burner cooktop, pressed countertops, and stainless steel undermount sink.

Bathroom: 30\" x 36\" shower with Oxyge","itemCondition":"Used","priceCurrency":"USD","price":"56950.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-cougar-half-ton-28rli/9f5d8a2e-1dce-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COUGAR HALF-TON 28RLI","description":"2025 Keystone Cougar Half-ton 28RLI,
The 2025 Keystone Cougar Half-Ton 28RLI is a rear-living fifth wheel (approx. 32'8\" 32'9\" length, ~9,050 9,179 lbs dry weight) designed for half-ton truck towing. It features two slides, sleeps 5, and includes a kitchen island, king bed, and 54-gallon fresh water tank. Key features include 4-season insulation (0 110°F), auto-leveling, and HyperCore walls.
Key 2025 28RLI Specifications (Approximate)

Length: 32 ft 8 in - 32 ft 9 in

Dry Weight: 9,050 - 9,179 lbs

Hitch Weight: 1,435 - 1,630 lbs

Sleeping Capacity: Up to 5-6

Slides: 2

Fresh Water: 54 gal

Grey Water: 60 gal

Black Water: 30 gal

Height: 12 ft 8 in

Key Features and Upgrades

Construction: HyperCore composite walls, HyperDeck flooring, and a 4-season Climate Guard protection package.

Interior: King bed, rear living area with a kitchen island, and residential shaker-style cabinetry.

Towing/Exterior: Road Armor shock-absorbing hitch pin, 4-point auto-leveling system, and Goodyear Endurance tires.

Technology: 12V tank heaters, Tire Linc® TPMS prep, and a tankless on-demand water heater.

Power: 50-amp service, prepped for second A/C, and 18,000 BTU AC.

","itemCondition":"Used","priceCurrency":"USD","price":"59438.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-keystone-cougar-354fls/0374258c-8239-11f0-8e3d-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2023 KEYSTONE COUGAR 354FLS","description":"2023 Keystone Cougar 354FLS,","itemCondition":"Used","priceCurrency":"USD","price":"48992.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-montana-3915tb/d1cd767c-eb64-11ef-a33f-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE MONTANA 3915TB","description":"2025 Keystone Montana 3915TB,","itemCondition":"Used","priceCurrency":"USD","price":"95892.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-316rls/a60a634b-00c3-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 316RLS","description":"2026 Keystone Cougar 316RLS,

Check out the walk-through video!

The 2026 Keystone Cougar 316RLS is a 35 8 , 3-slide fifth wheel (approx. 11,100+ lbs dry) designed for couples, featuring a rear living layout, king bed, and solid amenities. Key draws include auto-leveling, tankless water heater, solar prep, 50-amp service, and residential-style kitchen, offering a premium mid-profile option.

Here is the essential info to know before you buy:

Key Specifications (Approximate)

Length: 35 ft. 8 in.

Dry Weight: ~11,050 11,250 lbs

Hitch Weight: ~1,900 2,120 lbs

Slides: 3 (Includes flush-floor slides)

Sleeps: 5-6

Water Capacity: 75 gal Fresh, 76 gal Grey

Top Features & Layout

Living Area: Rear living with theater seats (heat/massage), trifold sofa, fireplace, and 50\" Smart TV.

Kitchen: Residential-style fridge, 21\" oven, large pantry, and kitchen island.

Bedroom/Bath: King bed, large vanity, shower with skylight, and washer/dryer prep.

Construction: 5-sided aluminum frame, walkable roof, and Climate Guard protection.

The 2026 Keystone Cougar Sport 2700BH is a lightweight, family-focused bunkhouse fifth wheel, measuring ~32 ft and sleeping 9 10+ people with a dry weight around 7,400 7,650 lbs. It features triple double-bunks, a private front queen bedroom, a U-shaped dinette, a YouTube walkthrough of 2026 Keystone Cougar Sport 2700BH tankless water heater, and Solar Flex 220 solar power, designed for half-ton towing.

Key Specifications

Length: 31 ft 11 in

Dry Weight: ~7,652 lbs

Hitch Weight: ~1,460 lbs

Sleep Capacity: 9 10 people

Tanks: 54 gal Fresh, 60 gal Gray, 30 gal Waste

Slides: One

Top Highlights & Features

Bunkhouse Layout: Rear bunkroom features triple bunk beds, often double-over-double configurations, providing ample sleeping for large families.

Half-Ton Towable: Designed to be accessible for many light-duty trucks.

Construction: Features HyperDeck composite flooring, AlphaPly roof membrane, and a painted front cap with LED lights.

Climate & Comfort: Includes a 0 100° temperature rating (Climate Guard) and a tankless water heater.

Kitchen & Interior: Features pressed countertops, a 12V 10.4 cu. ft. refrigerator, and a three-burner cooktop.

Exterior Features: Power awning with LED lights, electric stabilizer jacks, a 2 rear receiver hitch, and solar power system.

2026 Platinum Package: Select models offer matte paint, blacked-out wheels, and auto-leveling.

Optional Upgrades

Second A/C unit in the bedroom.

Inverter prep.

","itemCondition":"Used","priceCurrency":"USD","price":"42950.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-montana-3123rl/d4eafb28-1c15-11f0-ba3e-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE MONTANA 3123RL","description":"2025 MONTANA Montana 3123RL,","itemCondition":"Used","priceCurrency":"USD","price":"87892.00"}}]}}

Rocky Ridge RV - Idabel

Keystone Fifth Wheels for sale