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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

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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-364bhl/8b92837e-48dd-11f0-808c-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COUGAR 364BHL","description":"2025 Keystone Cougar 364BHL,","itemCondition":"Used","priceCurrency":"USD","price":"59992.00"}},{"@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.