New 2026 Keystone Alpine Avalanche Edition 366LS
Edinburgh, INFun Town RVDirections
About this RV
Keystone Alpine Avalanche Edition fifth wheel 366LS highlights: • Five Slides • King Bed • Free-Standing Dinette • Largest L-Shaped Sofa • Desk with a Chair This rear kitchen fifth wheel makes extended stays or weekend trips to the lake enjoyable! The chef of your group will find plenty of counter space with the included kitchen island, plus there is a pantry and upgraded 20 cu. ft. residential refrigerator for food storage. A free-standing dinette provides a place to dine together, and the largest L-shaped sofa with recliners will be the perfect spot to relax with a movie. If you have guests, they could sleep here or on the hide-a-bed sofa sleeper. The dual entry bath includes a shower with a seat for added comfort, and the front master bedroom will feel just like home with its king bed slide out and master closet. There is also a dresser and stackable washer and dryer prep if you want to add those appliances!
Specifications as listed by the dealer
- Type
- Fifth wheel
- Condition
- New
- Year
- 2026
- Make
- Keystone
- Model
- Alpine Avalanche Edition 366LS
- Stock number
- 229494
- VIN
- 4YDFAVT23TE760543
- Hitch weight
- 2,365 lb
- Sleeps
- 6
- Slides
- 5
- Length
- 40 ft 10 in
- Ext Width
- 8 ft 4 in
- Ext Height
- 13 ft 4 in
- Interior Color
- DOVETAIL
- Exterior Color
- WHITE FOG
- Dry Weight
- 14,027 lbs
- Cargo Capacity
- 2,173 lbs
- Fresh Water Capacity
- 75 gals
- Grey Water Capacity
- 83 gals
- Black Water Capacity
- 49 gals
- Tire Size
- ST235/80R16G
- Furnace BTU
- 35,000 btu
- Available Beds
- King
- Refrigerator Type
- Residential
- Refrigerator Size
- 18 cu ft
- Cooktop Burners
- 3
- Number of Awnings
- 2
- Axle Weight
- 7,000 lbs
- LP Tank Capacity
- 30 lbs.
- Water Heater Type
- On Demand
- AC BTU
- 30,000 btu
- TV Info
- LR 65" TV
- Awning Info
- 9' and 16' Power Carefree w/Adjustable Arms
- Axle Count
- 2
- Washer/Dryer Available
- Yes
- Number of LP Tanks
- 2
- Shower Type
- Shower w/Seat
- Electrical Service
- 50 amp
Features
- 10" I-Beams w/ 8" Z-drop frame technology and 100" wide-body construction (model specific)
- 12" I-Beams w/ 8" Z- drop frame technology and 100" wide-body construction (model specific)
- 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 (model specific)
- Dexter heavy duty 8,000 lb. axles w/Nev-R-Adjust brakes (model specific)
- Slide Awnings: Triples (optional)
- Slide Awnings: Quads and Above (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…
- Super size, 6' 4" tall, 30" wide entry door
- Lippert Strut Assisted SolidStep®
- 150 Cu. Ft. heated basement storage and class-A style, dual slam latch doors
- Back-up and side camera prep
- Battery quick-disconnect
- Easy access, heated and enclosed Nautilus™ water works center
- Canister style water filtration
- Oversized 73" sewer hose carrier
- Generator prep (optional)
- 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 and LED light bars
- 2” towing hitch w/ wiring harness (3,000 lbs. towing capacity)
- Keyed-A-Like™
- JBL® Aura Cube Sound System w/ exterior belly mounted speakers
- Designer Beaufloor® with 7 year limited Warranty
- Extra tall, 6'10" main slide height
- Super Sofa w/ 4 Dining Trays (optional, model specific)
- Hardwood slideout fascia w/ wood accent
Questions about this 2026 Keystone Alpine Avalanche Edition 366LS
How many 2026 Alpine Avalanche Edition 366LSs are on RV Shift?
2, all new and all at Fun Town RV. This one is $63,578 and the other one is $71,398.
From RV Shift’s listings, updated nightlyIs it still for sale?
Fun Town RV’s website listed it for sale on November 5, 2026. RV Shift checks dealers’ websites about once a day, so ask the dealer to be sure.
What does it take to tow it?
RV Finder’s estimate: it needs a vehicle rated to tow about 15,300 lb, with a fifth-wheel hitch. That is its 14,027 lb dry weight plus 1,200 lb for water and gear, rounded up to the next 100 lb. RV Finder shows whether it is within your vehicle’s published rating, from the maker’s own towing guide, and checks tongue weight and payload too. Confirm your numbers in your owner’s manual and on the sticker in the driver’s door jamb. Check it in RV Finder
How do I ask the dealer about it?
Use the Check availability form on this page. Your message comes to RV Shift and we pass it to Fun Town RV. You can also call Fun Town RV at (833) 386-8696.
Listing and photos: Fun Town RV. Details come from the dealership and can change; confirm them before you buy.