New 2026 Keystone RV Alpine Avalanche Edition 366LS

Standard Features (2026)

Exterior

• 12" I-Beams w/ Z-frame technology and 100" wide-body construction
• 10" I-Beams w/Z-frame technology and 100" wide-body construction (302RS & 338GK)
• Road Armor™ shock absorbing hitch pin
• MaxTurn™ Technology and Hitch Vision™ w/ LED lighting
• High-gloss Laminated sidewalls w/ double-welded aluminum construction
• Large, tinted safety glass windows (80% tint)
• Framless Dual pane windows (Optional)
• Painted fiberglass cap w/ patented Key Shield™ protection and LED lighting
• Radius roof w/ 5" pre-engineered roof trusses and walkable rafters
• 1-piece Alpha Super Flex TPO membrane
• Rear-mounted exterior ladder
• Summit slide-rooms w/ 6'10" interior height and hydraulic selector valves for slide outs
• Heated and enclosed underbelly w/ 1-piece polypropylene
• Dexter® heavy duty 7,000 lb. axles w/ Nev-R-Adjust brakes
• Slide Awnings: Triples (Optional)
• Road Armor™ Shock Absorbing Suspension w/ wet bolts, brass bushings, and oversized 1/2" shackles
• Sailun G-rated tires
• Lippert T.P.M.S Prep Port
• Premium Lippert® Titan-BaseCamp 6-point Hydraulic auto-leveling system (includes larger landing gear, LED lights at all jack posts, and intuitive touch screen w/ integrated BlueTooth capabilities)
• Super size, 6' 4" tall, 30" wide entry door
• Lippert Strut Assisted SolidStep®
• 150 Cu. Ft. heated basement storage and class "A" style, dual latch "slam" doors
• Back-up and side camera prep
• Battery quick-disconnect
• Easy access Nautilus™ water works center - fully enclosed and heated
• Canister style water filtration
• Oversized 73" sewer hose carrier
• Generator prep (Optional)
• Outdoor kitchen/entertainment
• 50 AMP service w/ industry first, WatchDog® inegrated safety inlet, and detachable power cord
• Outside shower w/ hot and cold water
• Carefree power awning w/adjustable arms
• 2” towing hitch w/ wiring harness (3,000 lbs. towing capacity)
• Keyed-A-Like™

Interior

• JBL® Aura Cube Sound System w/ exterior belly mounted speakers
• Designer Beauflor® with 7 year limited Warranty
• Extra tall, 6'10" main slide height
• Hardwood slideout fascia w/ wood accent
• Night roller shades
• Designer upholstered window valances with custom wood window frame
• Stunning solid wood cabinet doors, drawer fronts, and slide fascia
• Thomas Payne® furniture equipped w/ heat, massage, LED lights, and USB charging in theatre seats
• Automotive style snap-in crown molding and ceiling batton strips throughout
• 7 - Inverter prepped outlets throughout
• Industry-first control panel mounted one-flip switch for all exterior LED Lights (Front Cap, anwing, and all marker lights)
• Flush mounted residential can-style LED lighting throughout
• 40" designer fireplace w/ decorative surround

Keystone Exclusives

• Color-coded unified wiring standard
• Wingard Air 360+ Omni-Directional Rooftop Antenna w/exclusive satellite pass-through
• Tuf-Lok™ thermoplastic duct joiners
• KeyTV™
• In-floor heating ducts
• Tru-fit™ slide construction
• Blade Pure™ high performance air-flow system with MERV-9 Filtration

Kitchen

• Solid-surface countertops
• Stainless steel, extra deep sink w/ dual bowls and a solid surface sink cover
• Keystone-Exclusive designer knurled cabinet and drawer pulls
• Stained/painted solid hardwood cabinet doors and drawer fronts
• Hidden hinge soft close cabinet doors w/ magnetic holds
• High-rise, single-lever faucet w/ sprayer
• Amazing Legless Dinette Table w/ storage; and (4) high-back dinette chairs w/ storage (Select Models)

Appliances & Utilities

• (2) 30 lb. propane bottles
• Dual Quiet Cool (2) high-pressure A/Cs w/ 15K BTU Whisper Quiet Technology, and residential MERV-9 air filtration. Prepped for 3rd A/C
• 3rd 13.5K BTU A/C (Optional)
• Fully programmable dual zone temperature control
• 35K BTU gas furnace
• Theater experience with 65" TV and JBL theater sound and subwoofer (Select Models)
• Huge 50" LED TV and 12V JBL Sound System  (Select Models)
• Huge 65" LED Smart with JBL sound system & custom accent wall (Select Models)
• Furrion 12V, 19.6 Cu. Ft. refrigerator (Optional)
• 18 Cu. Ft. residential refrigerator (w/ 2000W Inverter) 
• 30" residential microwave
• Furrion® kitchen appliances
• Interior mounted Control Panel w/ exterior mounted 3-Way Switches for slide and awning control 
• Stackable washer/dryer prep
• 42,000 BTU On-Demand waterheater

Bedroom

• King bed
• Two LED overhead reading lights
• Bedside outlets on both sides of the bed
• Quilted bedspread
• TV hookup in bedroom
• Modern, nail-head decorative headboard

Bathroom

• Sorrento Biscotti pressed membrane countertops
• Translucent glass shower enclosure w/Oxygenics shower head, shower skylight, and high watt shower light
• Porcelain foot-flush toilet
• Medicine cabinet
• Linen cabinet (Select Models)
• Pull-out linen cabinet (Select Models)
• Pull-out trash can( Select Models)
• Toilet tissue drawer

Weather Protection

• Tested, Polar Pack protection for four-season camping and heat ducting to tanks w/12-volt head pads
• Polar Pack Features include; Heated and enclosed underbelly, Astro foil reflective layert on roof, front, and rear walls, 35,000 BTU Furnace, Two static attic vents, Insulation in the floor wrapped in Darco Protective fabric
• Forced ducted air over all one-piece rotocast tanks.
• 12V Heat pads on all one-piece rotocast holding tanks. (2 12V heat pads on 75 Gal fresh water tanks)
• Pex lines are plumbed and routed through heated underbelly
• Heated holding tank dumps/pulls

Safety

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

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.