2026 Keystone RV Cougar Half-Ton 28RLI - KY501

2026 Keystone RV Cougar Half-Ton 28RLI

Shorter, Lighterweight Floorplans Packed with Features

With the goal of delivering the best half-ton towable fifth wheel for owners, these models are packed with all of Cougar's premium features—from towing innovations like MaxTurn Technology™ and Road Armor™, to unexpected lightweight luxuries like zero-degree climate protection.

Features May Include:

Exterior

• Individually Engineered Structural I-beam chassis w/ stamped steel cross-members & outriggers
• Electric four-point auto leveling system
• Helux™ series coil spring pin box
• Road Armor™ shock absorbing hitch pin
• Heavy duty 5,100 lbs. axles with ABS brakes
• High Performance Road Armor™ shock absorbing equalizer
• Bronze bushings, heavy duty 1/2 shackle plates and wet bolts to extend axle longevity
• Goodyear Endurance 10-ply E-rated tires with road side assistance
• Custom aluminum luxury wheels and full size spare tire
• 2" Rear accessory receiver with 300 lb. storage capacity
• Automotive-grade painted fiberglass front cap w/ KeyShield™ protection
• Front cap with dotless neon style LED lighting
• High intensity LED auxiliary light for hitching
• AlphaPLY roof membrane w/ Limited Lifetime warranty
• Tinted safety glass windows
• Dual-pane, frameless windows
• Aluminum rear ladder
• Rear observation camera prep
• Reverse warning lights in taillight
• One-piece polypropylene underbelly
• Dual-heated holding tanks: 12v heat pads and furnace
• Friction hinge entry door
• Extra-Wide entry step with composite step treads
• Slam-latch baggage doors.
• Awning control switch located in storage compartment
• Key-Alike lock system
• Tough-ply flooring in main storage compartment
• Oversized front storage compartment with strut assisted baggage door
• Washable PVC sewer hose storage
• Heavy-duty battery box for dual batteries with EZ hook-up terminals
• Campsite convenience center for utilities that includes power tank fill
• Easy access panel for water pump service and filter maintenance
• Industry's best 55 gal. fresh tank capacity
• Industry leading holding tank securement with steel cross supports and Tank Guardian strap system
• Power Watchdog™ Safeview Smart RV power inlet: 50 amp
• 50 Amp electric, pre-wired and braced for 2rd AC
• Hot and cold exterior spray port
• Campsite tuned speakers
• Electric awning with gas strut arm with dotless neon style LED lighting
• 2nd electric awning with dotless neon style LED lighting
• Slide-topper package
• CSA construction and seal

Interior

• Tall slide out for added comfort and head room
• Night roller shades throughout
• Residential, shaker style hardwood cabinet doors and drawers
• Lock-It decorative crown molding at wall top edge
• 5,500 BTU electric fireplace with thermostat control and remote
• Dimmable lighting: main ceiling, main slideout
• Recessed flush mount lights in main ceiling
• Pivot hinge entertainment center with hidden pantry and cordless vacuum prep

Keystone Exclusives

• 3-year limited structural warranty
• 1-year limited base warranty
• MY KEYSTONE Owners Mobile App
• HyperCore™ Composite Wall Construction with Vixen Fibrogloss™ HIGH GLOSS finish
• HyperDeck™ composite, 100% inorganic and water resistant floor
• GIGGY BOX™ 12v power wiring within a protective housing, includes battery disconnect, patented
• MaxTurn™ Technology designed in frame and fiberglass front cap, patented
• Color-coded unified wiring standard
• Tuf-Lok™ thermoplastic duct joiners
• KeyTV™ multisource signal controller, patented
• Winegard Air 360+ Omni-Directional Rooftop Antenna w/ exclusive satellite pass-through
• Residential In-floor heating ducts

Kitchen Features

• Residential hardware and soft close hidden hinges on cabinet doors
• Seamless, pressed countertops
• Black stainless steel undermount kitchen sink
• High-rise chef’s faucet and sprayer
• Booth dinette with 30" drawers and accent lighting
• Bench seat ottoman with storage and two free standing chairs
• Trash bin location

Appliances & Utilities

• Water management center providing individual shut-off valves for all fixtures
• Power converter with auto-detect battery recognition
• (2) 30 lb. LP tanks
• Exterior LP quick connect
• Tankless on-demand water heater
• Furrion 18K BTU Chill Cube, ducted
• Furrion Quick Cool 15K BTU Ducted Bedroom A/C
• Foil backed, foam core air conditioning duct with Tuf-Lok™ thermoplastic joiners
• 30K BTU ducted furnace
• LED HDTV in living area 12V Bluetooth® player with HDMI ARC control, 12v USB charging centers, & exterior TV hookup
• 0.9 Cu. Ft. microwave
• 10.6 cu. Ft. 12V Furrion Refrigerator
• 21" Furrion® range w/ Piezo ignition and glass stovetop cover
• Washer/dryer prep

Bedroom Features

• Platinum Series 70" x 80" king bed option w/ underbed storage
• Dimmable lighting: main ceiling
• Outlets & USB on both sides of bed
• Cable TV / satellite ready
• Full wardrobe slide w/ drawers

Bathroom Features

• Seamless, pressed countertops with large black stainless steel sink
• Residential vanity cabinet with drawers
• Linen storage in bathroom
• Large shower w/ glass door and skylight
• Dedicated shower light
• Oxygenics® shower head and hose
• Porcelain foot flush toilet
• Recessed medicine cabinet
• Towel rack

Weather Protection

• Climate Guard protection package
• Heat-deflecting white sidewalls, membrane and A/C
• Radiant foil barrier in front cap
• Remote temperature probes
• Insulated gooseneck, bulkhead divider, and sealed pin box
• Insulated slide floors
• Two roof attic vents
• 12V electric heat pads on all holding tanks
• PEX plumbing

Safety

• Breakaway switch
• GFI receptacles
• Carbon monoxide detector
• Smoke detector
• Propane gas leak detector
• Fire extinguisher