New 2026 Keystone RV Alpine 3820FK
- SALE PRICE: $96,976
- MSRP: $134,350
- You Save: $37,374
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42ft long
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14,335 lbs
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Sleeps 6
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4 slides
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Front KitchenRear Bath
3820FK Floorplan
Specifications
| Sleeps | 6 | Slides | 4 |
| Length | 41 ft 11 in | Ext Width | 8 ft 4 in |
| Ext Height | 13 ft 4 in | Hitch Weight | 2835 lbs |
| Dry Weight | 14335 lbs | Cargo Capacity | 3665 lbs |
| Fresh Water Capacity | 75 gals | Grey Water Capacity | 78 gals |
| Black Water Capacity | 44 gals | Tire Size | 215/75R17.5H |
| Furnace BTU | 35000 btu | Available Beds | King |
| Refrigerator Type | Residential with Ice Maker | Refrigerator Size | 18 cu ft |
| Convection Cooking | Yes | Cooktop Burners | 3 |
| Number of Awnings | 2 | Axle Weight | 7000 lbs |
| LP Tank Capacity | 30 lbs | Water Heater Type | On Demand |
| AC BTU | 46500 btu | TV Info | LR 50" LED TV |
| Awning Info | 14' Carefree with Adjustable Arms | Axle Count | 2 |
| Washer/Dryer Available | Yes | Number of LP Tanks | 2 |
| Shower Type | Walk-In Shower | Electrical Service | 50 amp |
| VIN | 4YDFALU26TE780000 |
Description
New 2026 Keystone RV Alpine 3820FK
The New 2026 Keystone Alpine 3820FK delivers premium fifth wheel living with a spacious residential layout and high-end features designed for extended travel. The Alpine lineup is known for luxury finishes, durable construction, and thoughtfully designed floorplans that create a true home-away-from-home experience for RV travelers.
The standout feature of the 3820FK is the spacious front kitchen design. Located at the front of the coach, this kitchen offers an impressive amount of counter space and storage rarely found in most fifth wheels. A large kitchen island provides additional prep space while the residential refrigerator, cooktop, oven, microwave, and generous cabinetry make cooking at the campsite easy and enjoyable.
The main living area is designed to feel open and inviting thanks to multiple slide-outs that expand the interior space. Comfortable theater seating and a sofa face the entertainment center and fireplace, creating a relaxing environment for watching movies, entertaining guests, or unwinding after a day outdoors. Large windows allow natural light to fill the space while providing great views of your campsite.
The dining area features a free-standing table and chairs, offering a residential-style dining experience perfect for meals, working remotely, or gathering with family and friends.
Toward the rear of the fifth wheel, the private master bedroom provides a comfortable retreat with a spacious king bed, wardrobe storage, and dresser space. This dedicated sleeping area allows you to relax and recharge after a day of travel or adventure.
The bathroom includes a large residential-style shower, vanity sink, and additional storage, providing the comfort and convenience expected from a luxury fifth wheel.
Outside, the Alpine continues to impress with large pass-through storage compartments for camping gear and travel essentials. A power awning creates a shaded outdoor living space where you can relax and enjoy time at the campground.
With Keystone’s reputation for luxury craftsmanship and innovative design, the Alpine 3820FK is an excellent fifth wheel for travelers looking for residential comfort combined with premium RV features.
Key Features & Highlights
• Spacious front kitchen with extensive counter space
• Large kitchen island for meal preparation
• Residential refrigerator, cooktop, oven, and microwave
• Comfortable theater seating and sofa
• Entertainment center with fireplace
• Free-standing dinette with chairs
• Private rear bedroom with king bed
• Large bathroom with residential-style shower
• Multiple slide-outs creating open living space
• Pass-through exterior storage compartments
• Power awning for shaded outdoor living
Front Kitchen • Kitchen Island • Theater Seating
Why Choose Campers Inn RV
When you choose Campers Inn RV, you’re partnering with a team dedicated to helping you enjoy the RV lifestyle with confidence. Our RV Match Makers work closely with you to find the perfect RV for your travel goals, lifestyle, and budget. Every new RV we offer is carefully inspected and prepared by certified technicians so it’s ready for adventure. With flexible financing options, transparent pricing, and dependable service support whenever you need it, Campers Inn RV of Knoxville makes RV ownership simple and exciting.
See It In Person Today
Experience the comfort and luxury of the Keystone Alpine 3820FK for yourself. Call or text 865-933-7213 today to schedule your tour or learn more about this impressive fifth wheel at Campers Inn RV of Knoxville.
- Alps Package
- Triple A/C Package
- 6 Point Hydraulic Auto Leveling
- Solar Flex Protect
- Central Vacuum
- Road Armor Pin Box
- Residential Refrigerator
- RVIA Seal
Features
Standard Features (2026)
Exterior
- 12" I-Beam frame and 100" wide-body construction
- Road Armor™ shock absorbing hitch pin
- Hitch Vision™ w/ LED lighting (model specific)
- Laminated sidewalls w/ double-welded aluminum construction
- Large, tinted safety glass windows (80% tint)
- Dual pane windows (optional)
- Slide Awnings: Triples (optional)
- Slide Awnings: Quads and Above (optional, model specific)
- 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
- 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 8,000 lb. Axles (model specific)
- Dexter® heavy duty 7,000 lb. axles w/ Nev-R-Adjust brakes (model specific)
- Dexter® heavy duty 7,000 lb. Axles (model specific)
- Road Armor™ Shock Absorbing Suspension (model specific)
- TCS Suspension w/ABS brakes
- Lippert TPMS Prep (model specific)
- Lippert TPMS Monitoring system
- Saliun G-rated tires (model specific)
- Cooper H-rated tires
- Electric gate Valves
- Titan: One touch, 6-point hydraulic level up system
- Super size, 6'4" tall, 30" wide entry door
- Lippert Strut Assisted SolidStep®
- 200 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)
- 5,550 watt Cummins Onan LP gas generator (optional)
- 75 gal. fresh water, 83 gal. gray water, 49 gal. black water tanks
- Outdoor kitchen/entertainment (model specific)
- 50 AMP service w/ electric power-cord reel
- Outside shower w/ hot and cold water
- Carefree power awning w/ adjustable arms
- 2” towing hitch w/ wiring harness (3,000 lbs. towing capacity)
- Blue Slate Full Body Paint (optional)
- Copper Mist Full Body Paint (optional)
- Frost Black Full Body Paint (optional)
- Keyed-A-Like™
Interior
- JBL® Aura Cube Sound System w/ exterior belly mounted speakers
- Designer Beaufloor with 7 year limited Warranty
- Extra tall, 6'10" main slide height
- Hardwood slideout fascia w/ wood accent
- Day/night roller shades
- Hardwood valance with accent and custom wood window frame and window sill
- Super Sofa w/ 4 Dining Trays (optional, select models)
- Stunning solid wood cabinet doors, cabinet framing, and slide fascia
- Thomas Payne® furniture equipped w/ heat, LED lights and USB charging stations in theatre seats
- Crown molding
- 40" fireplace producing 5,000 BTU of electric heat
- Central vacuum
Keystone Exclusive
- Color-coded unified wiring standard
- Winegard 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 wood cabinet doors, drawer fronts, and cabinet framing
- Stainless steel, extra deep sink w/ dual bowls and a solid surface sink cover
- High-rise, single-lever faucet w/ sprayer
- Amazing Legless Dinette Table w/ storage; and (4) high-back dinette chairs w/ storage
- Solid surface countertops
Appliances & Utilities
- (2) 30 lb propane bottles
- Dual Quiet Cool (2) high-pressure A/Cs w/ 15K BTU Whisper Quiet Technology, w/ electric pump and cold air return vents (2). Rear A/C includes a 16.5K BTU heat pump.
- 3rd A/C
- 35K BTU gas furnace
- Fully programmable dual zone temperature control
- On-demand water heater
- Super Cinema - 50" LED SMART TV w/ sound system (65" on 3910RK)
- 19.6 Cu. Ft.12V refrigerator (optional)
- 18 Cu. Ft. residential refrigerator
- 30" Microwave oven
- Stackable washer/dryer prep
- Flush-style LED lighting throughout
- Interior mounted Control Panel w/ exterior mounted 3-Way Switches
Bedroom
- King bed
- (2) LED overhead reading lights
- Bedside outlets on both sides of bed
- Quilted bedspread and pillows
- TV in bedroom
- Decorative headboard
Bathroom
- Translucent glass shower enclosure w/ Oxygenic shower head, shower skylight, and high watt shower light
- Porcelain foot-flush toilet
- Medicine cabinet
- Linen cabinet
Weather Protection
- Tested, Polar Pack protection for four-season camping and heat ducting to tanks w/12-volt heat pads
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.
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*All calculated monthly payments are an estimate for qualified buyers only and do not constitute a commitment that financing or a specific interest rate or term is available. Financing terms may not be available in all Campers Inn locations. Campers Inn RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual inventory in stock on our lot. Please contact us for availability as our inventory changes rapidly.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.



