New 2026 Keystone RV Sprinter 3900DBL

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New 2026 Keystone RV Sprinter 3900DBL

Fifth Wheel

Stock # 107529

Mesa, AZ

Deep storage drawers, motion-activated LED lighting, and residential-style features give you big home comforts in a travel-ready package

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Factory Brochure

37ft long
13,697 lbs

Sleeps 9

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Floorplan
Specifications
Description
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Factory Brochure

3900DBL Floorplan

Factory Brochure

Specifications

Sleeps	9	Length	37 ft 4 in
Ext Height	13 ft 4 in	Interior Color	TEAK
Hitch Weight	2595 lbs	Dry Weight	13697 lbs
Cargo Capacity	2893 lbs	Fresh Water Capacity	75 gals
Grey Water Capacity	122 gals	Black Water Capacity	88 gals
Tire Size	ST255/85R16G	Refrigerator Size	16 cu ft
LP Tank Capacity	60	Number of LP Tanks	2
VIN	4YDFSTV22T4530173

Description

NEW 2026 Keystone Sprinter 3900DBL Fifth Wheel – Spacious Living for the Whole Family

Designed to Elevate Your Adventures

The 2026 Keystone Sprinter 3900DBL is more than just a fifth wheel—it's your next home base for adventure. Crafted with Keystone’s trusted “Camping Made Easy” approach, this wide-body, full-profile fifth wheel delivers maximum living space, smart innovations, and residential comfort so you can travel farther, stay longer, and relax more.

Luxury That Feels Like Home

Cozy fireplace adds warmth and ambiance to your living space—perfect for chilly mornings or relaxed evenings
Spacious front bedroom with a king-size bed and ample wardrobe space for ultimate comfort and storage
Private rear bunkhouse creates the perfect retreat for kids, grandkids, or guests with dedicated sleeping and storage areas
Two full bathrooms mean no more waiting in line—great for families or full-timers who like extra convenience
Large kitchen island makes meal prep and cleanup easier while adding a central gathering point

Built Bigger and Smarter

100” wide-body construction and full-profile upper deck provide more interior room and superior towing stability
Keystone’s HyperDeck™ high-performance flooring offers added strength, lighter weight, and water resistance
Deep storage drawers, motion-activated LED lighting, and residential-style features give you big home comforts in a travel-ready package
Rear ladder provides quick and easy access to the roof for maintenance or checking your solar system

Smart Technology, Seamlessly Integrated

KeyTV™ multisource signal controller simplifies TV setup at campgrounds
iN-Command® Lite control system with global Connect gives you mobile access to lights, HVAC, and more
Prepped with SolarFlex™ solar energy packages to keep you off-grid longer and reduce your reliance on hookups

More Reasons to Love the Sprinter 3900DBL

Modern cabinetry and solid-surface countertops add elegance to your kitchen and bath
Oversized panoramic windows flood the living space with natural light and scenic views
Tri-fold sofa and theater seating provide relaxing space for movie nights or afternoon naps
Ducted dual A/Cs and 35K BTU furnace ensure comfort in every season

Why Buy from Little Dealer Little Prices

At Little Dealer Little Prices, we’re campers helping campers—sharing in your passion for the open road and outdoor living. Whether you’re upgrading for more space or just starting your RV journey, we’re here to help you find the right RV with no stress, no surprises, and always the best value.

Family-owned and operated since 1966
Huge selection of Keystone RVs and fifth wheels
Transparent pricing with no hidden fees
Flexible in-house financing options
Experienced, RV-lifestyle staff who care about your adventures
Full-service repair and parts departments ready to support your journey

Big Adventures Start with a Bigger Fifth Wheel

When you're ready to travel in total comfort and style, the 2026 Keystone Sprinter 3900DBL delivers. With room for the whole crew, two full baths, and smart tech throughout, this fifth wheel is built for full-time fun and full-throttle freedom.

See it today at Little Dealer Little Prices—where every great camping story begins.

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Features

Standard Features (2026)

Exterior

Enhanced Exterior Graphics w/ Integrated print
Full Body Paint (Optional)
Floor plan specific 100" wide-body frame w/ full width outriggers (Model Specific)
MaxTurn™ technology w/ Road Armor™ (Model Specific)
Hitch Vision™ (Model Specific)
2" aluminum framed and laminated sidewalls (Model Specific)
Tinted safety glass windows (Model Specific)
Automotive-grade painted fiberglass front cap w/ KeyShield™ protection (Model Specific)
Fully walkable roof (Model Specific)
Dual layer insulation (Model Specific)
Rear ladder prep
Equal torsion cable slides w/ manual override (Model Specific)
Thermal package (performs from 0-100 degrees) (Model Specific)
Heated & enclosed underbelly w/ astro-foil insulation (Model Specific)
Dexter® E-Z Lube axles with never-adjust brakes (6 year warranty) (Model Specific)
Aluminum wheels w/ lifetime warranty (Model Specific)
One touch 4-point leveling system w/ return hookup memory (Model Specific)
30" friction hinge entry doors (Model Specific)
Suburban StowAway Entry Step with 33% Larger first step
High performance MAXXIS Radial Tires w/ Balancing Beads
2" Receiver Hitch w/ 4 way hook up - 3,000lb Limit
Heated pass-through storage w/ lockable slam latch baggage doors (Model Specific)
Locking slam latch baggage doors (Model Specific)
Back-up camera prep (Model Specific)
Battery disconnect (Model Specific)
Outside shower w/ hot & cold water (Model Specific)
Over-sized roto cast holding tanks with best in class capacities (Model Specific)
LP quick connect
Electric awning with friction hinge adjustment, LED light strip, & manual override

Interior

Congoleum® vinyl flooring w/ one-piece Dyna Span™ marine grade decking
Black out night shades
Floating style made deck steps with Shoe storage
Designer upholstered window valances
Residential style screwed & glued cabinetry
Theater seating w/ USB Charging
Thomas Payne luxury collection furniture
5.5K BTU electric fireplace w/ thermostat control & remote
Maxx Air® power vent fan(s) w/ rain sensor

Keystone Exclusives

Color-coded unified wiring standard
4G LTE and Wi-Fi prep
Tuf-Lok™ thermoplastic duct joiners
KeyTV™ multisource signal controller
In-floor heating ducts
Tru-fit™ slide construction

Kitchen Features

22" deep drawers w/ full extension heavy-duty guides
Residential style seamless marbled countertops
Deep single-basin stainless steel industrial sink
High-rise pull out faucet & sprayer
Legless dinette w/ four chairs & storage (Model Specific) (Optional)
Wood beam style pendant light soffit
Pendant lights over kitchen island
Free standing table w/ four chairs (Optional)

Appliances & Utilities

(2) 30 lb. LP tanks w/ auto changeover
(2) Air conditioning units
3rd. A/C (Model Specific)
30K BTU Furnace
Girard tankless on-demand water heater
Premium entertainment center w/ HD LED TV, Multi Zone Stereo, exterior TV hook-up & speakers
16 Cu. Ft. 12V refrigerator
Stainless steel microwave w/carousel
Oversized 30" over the range microwave
3-burner gas range w/ 21" stainless steel oven, glass top, & piezo electronic ignite
Stackable washer/dryer prep
Dimmable Ribbon Style LED Batten Lighting
Traditional Central Command Center

Bedroom Features

70" x 80" king bed w/ gas strut storage
LED reading lights above bed
Upgraded bedspread
TV hook-up

Bathroom Features

Large 48 x 30 shower w/ self cleaning shower enclosure and domed skylight (Model Specific)
Porcelain foot flush toilet

Safety

Breakaway switch
GFI receptacles
Carbon monoxide detector
Smoke 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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What Other Customers Are Saying

Amazing experience
Guy Williams was very helpful and made our trailer buying experience quick, easy and enjoyable. The finance department was great. We were in and out within and hour and had all the paperwork ready for us. Over all we had an amazing experience.

Danny from Goodyear, AZ
Ok
Anthony was very helpful, Patti was good with problems. Will was excellent in going thru trailer.

Darwin from Groom Creek, AZ
Joe Thompson
Gabe did a excellent job on the walk through! Jessie also was very helpful!

Gary from Phoenix, AZ

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Please contact us @ 928-350-2400 for availability as our inventory changes rapidly. Little Dealer Little Prices strives for accurate website information but is not responsible for misprints, typos, or errors on our website. Manufacturer or sample photos and specifications may be used in place of actual unit photos and specs. Monthly payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Prices exclude taxes, PDI, documentation and delivery fees, destination charges and fees. This offer expires when this information changes or the stock number is sold.

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