+9 
-
43ft long
-
14,258 lbs
-
Sleeps 7
-
4 slides
-
Kitchen IslandLoft
390DS Floorplan
Specifications
| Sleeps | 7 | Slides | 4 |
| Length | 42 ft 11 in | Ext Width | 8 ft 4 in |
| Ext Height | 13 ft 4 in | Interior Color | Dovetail |
| Hitch Weight | 2740 lbs | Dry Weight | 14258 lbs |
| Cargo Capacity | 2482 lbs | Fresh Water Capacity | 75 gals |
| Grey Water Capacity | 132 gals | Black Water Capacity | 98 gals |
| Tire Size | ST235/80R16G | Furnace BTU | 35000 btu |
| Available Beds | King, Queen | Refrigerator Type | Residential |
| Refrigerator Size | 18 cu ft | Cooktop Burners | 3 |
| Number of Awnings | 2 | Axle Weight | 7000 lbs |
| LP Tank Capacity | 30 lbs | AC BTU | 30000 btu |
| TV Info | LR 50" LED TV | Awning Info | 11' & 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 | VIN | 4YDFAVU25TE760560 |
Description
Step into a world where every camping trip feels like bringing your own private retreat along for the ride. The Keystone Alpine Avalanche Edition 390DS is designed for families, guests, and long-haul adventurers who want space, comfort, and true residential luxury wherever they roam. From mountain mornings to lakeside evenings, this fifth wheel turns every destination into a place you’ll want to stay a little longer.
With multiple sleeping areas, two full bathrooms, and wide-open living space, this RV is built for gathering, relaxing, and making memories with everyone along for the journey. Whether it’s a weekend escape or an extended stay, you’ll have everything you need—and plenty of room to enjoy it.
Highlights, Options & Key Features:
-
Two private bedrooms, including a front master suite with a king-size bed slide for ultimate comfort
-
Second rear bedroom with a queen-size bed slide, ideal for guests or extended family stays
-
Loft area above the rear bedroom that sleeps up to three, perfect for kids or extra visitors
-
Two full bathrooms, including a rear bath with its own private exterior entry/exit door for added convenience
-
Dual entry doors equipped with LCI SolidStep for easy, stable access into the RV
-
Expansive main living area with dual opposing slides, creating a wide-open, residential feel
-
Comfortable theater seating positioned perfectly for relaxing nights by the fire
-
Elegant fireplace that adds warmth and ambiance to your evenings inside
-
Free-standing dinette for family meals, game nights, or remote work on the road
-
Fully equipped kitchen with center island, generous counter space, and premium appliances to cook for a crowd
-
Wide-body construction that maximizes interior space and livability
-
Polar Pack All Season Protection with heated and enclosed underbelly for year-round camping
-
Astro foil reflective insulation in the roof and walls to maintain interior comfort in varying climates
-
In-floor heating ducts for even heat distribution throughout the coach
-
Hardwood slide-out fascia and wood accents for a high-end, residential finish
-
Designer window valances with custom wood framing for a polished interior look
-
Keystone’s Tru-Fit slide construction for improved durability and performance
-
KeyTV system for simplified cable and satellite setup wherever you travel
Why Buy This RV:
The 390DS is more than just a fifth wheel—it’s a destination in itself. With two bedrooms, a loft, and two full baths, it’s perfect for large families, multi-generational travel, or hosting friends on the road. You get the space of a vacation home combined with the freedom to explore wherever you choose. Whether you’re parked for a season or moving from one adventure to the next, this RV offers unmatched comfort, flexibility, and the ability to truly live the camping lifestyle without compromise.
Why Buy From Campers Inn RV Mocksville:
At Campers Inn RV Mocksville, the focus is on helping you create the kind of travel experiences you’ve been dreaming about. Their knowledgeable team understands the needs of RVers at every level and is dedicated to guiding you through a smooth, stress-free buying process. With a commitment to customer care, expert service, and ongoing support, they’re there long after your purchase to ensure every trip is as enjoyable as the first. When you buy here, you’re not just getting an RV—you’re gaining a trusted partner for all your future adventures.
Features
Standard Features (2026)
Exterior
- 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 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 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™
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
- Super Sofa w/ 4 Dining Trays (optional, model specific)
- Hardwood slideout fascia w/ wood accent
- Night roller shades
- Designer upholstered window valances with custom wood window frame
- Stunning painted/stained solid wood cabinet doors, drawer fronts, and slide fascia
- Thomas Payne® furniture equipped w/ heat, LED lights and USB charging stations 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, awning, 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
- 50" LED Smart TV and 12V JBL Sound System (model specific)
- Huge 65" LED Smart TV with JBL sound system and custom accent wall (Model specific)
- Furrion 12V, 19.6 Cu. Ft. refrigerator
- 18 Cu. Ft. residential refrigerator (w/ 2000W Inverter)
- 30" Furrion 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 water heater
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 and proven Polar Pack protection for four-season camping
- 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.
Save your favorite Rvs as you browse. Begin with this one!
Loading
*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.