Plumbing
78-Gallon Black Water Tank
Large capacity for extended trips without frequent emptying.
2026 Keystone Sprinter 3840LRK
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Floorplan Layout
Detailed floor plan showing the complete layout and dimensions
Floorplan
Complete Fifth Wheel Specifications
2026 Keystone Sprinter Overview
Experience the freedom of the open road with the 2026 Keystone Sprinter, a remarkable fifth wheel designed for comfort and convenience. With a generous length of 43 ft and a dry weight of 12,736 lbs, this model is ideal for those seeking adventure without sacrificing luxury. Sleeping up to 4, it features a spacious interior layout and a well-appointed kitchen located in the rear, making it perfect for family gatherings. The 1.5 bathrooms ensure ample space for everyone, while the three air conditioners provide superior climate control. Discover why the Keystone Sprinter is a favorite among outdoor enthusiasts. Schedule your tour today and explore this versatile fifth wheel for your next adventure!
Premium Features & Highlights
Spacious Interior Layout
Sleeps 4 for Family Comfort
1.5 Bathrooms for Added Convenience
Three Air Conditioners for Optimal Climate Control
Rear Kitchen Layout for Easy Meal Prep
Power Awning for Outdoor Enjoyment
Three Slide-Outs for Expanded Living Space
Select a category to view specs
Overview
Vehicle Identification & Details
8 specifications available
- Category
- Fifth Wheel
- Condition
- new
- Floorplan
- 3840LRK
- Make
- Keystone
- Model
- Sprinter
- Stock Number
- RV1139
- VIN
- 4YDFSTU20T4530710
- Year
- 2026
Size & Weight
Dimensions, Weight, Construction & Exterior
9 specifications available
- Dry Weight
- 12,736 lbs
- GVWR
- 16,300 lbs
- Length
- 42.83 ft
- Exterior Height
- 13.33 ft
- Awning Length Ft
- 18 ft
- Awnings Count
- 2
- Has Power Awning
- Yes
- Slides
- 3
- Hitch Weight
- 2,380 lbs
Sleeping & Layout
Beds, Layout, Living & Comfort
7 specifications available
- Bunk Beds Count
- 0
- King Beds Count
- 1
- Primary Bedroom Location
- Front
- Murphy Beds Count
- 0
- Private Bedroom
- Yes
- Sleeps
- 4
- Fireplace
- true
Kitchen & Dining
Cooking, Dining & Appliances
5 specifications available
- Outdoor Kitchen
- Yes
- Kitchen Location
- Rear
- Refrigerator Power Mode
- 12V
- Refrigerator Size
- 16
- Washer Dryer Prep
- Yes
Bathroom & Facilities
Comfort & Privacy
2 specifications available
- Bathrooms Count
- 2
- Shower Type
- Standard
Water Systems
Tanks & Plumbing
3 specifications available
- Black Water Capacity
- 78 gal
- Fresh Water Capacity
- 75 gal
- Gray Water Capacity
- 112
Power & Electrical
Electrical, Entertainment & Safety
3 specifications available
- Solar Ready
- Yes
- Washer Dryer Prewiring
- Yes
- Backup Camera Prewiring
- Yes
Climate Control
Heating & Cooling
1 specifications available
- Air Conditioners Count
- 3
Standard Features & Equipment
Breakaway switch
GFI receptacles
Auto-Leveling
Accessory Receiver Hitch
Enhanced Exterior Graphics w/ Integrated print, Floor plan specific 100" wide-body frame w/ full width outriggers, MaxTurn™ technology w/ Road Armor™, Hitch Vision™, 2" aluminum framed and laminated sidewalls, Tinted safety glass windows, Automotive-grade painted fiberglass front cap w/ KeyShield™ protection, Fully walkable roof, Dual layer insulation, Rear ladder prep, Equal torsion cable slides w/ manual override, Thermal package (performs from 0-100 degrees), Heated & enclosed underbelly w/ astro-foil insulation, Dexter® E-Z Lube axles with never-adjust brakes (6 year warranty), Aluminum wheels w/ lifetime warranty, One touch 4-point leveling system w/ return hookup memory, 30" friction hinge entry doors, 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, Locking slam latch baggage doors, Back-up camera prep, Battery disconnect, Outside shower w/ hot & cold water, Over-sized roto cast holding tanks with best in class capacities, LP quick connect, Electric awning with friction hinge adjustment, LED light strip, & manual override,
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,
WiFi Prep, TV Hookups: 3, Large Shower, Kitchen Pantry, Private Second Bedroom,
SolarFlex™ Ready,
Extended-Season / 4-Season Package,
70" x 80" king bed w/ gas strut storage, LED reading lights above bed, Upgraded bedspread, TV hook-up,
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, Wood beam style pendant light soffit, Pendant lights over kitchen island,
Large 48 x 30 shower w/ self cleaning shower enclosure and domed skylight, Porcelain foot flush toilet,
3-year limited structural warranty, 1-year limited base warranty, 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,
(2) 30 lb. LP tanks w/ auto changeover, (2) Air conditioning units, 3rd. A/C, 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,
* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. United Motorsports & RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with United Motorsports & RV.
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Built to Last
Superior construction for years of adventures
Plumbing
75-Gallon Fresh Water Tank
Ample fresh water capacity for all your needs on the road.
Ready for Your Next Adventure?
Experience the freedom of the open road with your next RV adventure
Payment Calculator
Estimate your monthly payments
from $467/mo
Estimated • 20% down
Schedule Tour
See this RV in person at our showroom
Showroom Hours
Mon-Fri: 9 AM - 6 PM, Sat: 9 AM - 5 PM, Sun: 12 PM - 5 PM
1675 N. Broadway Lexington, KY 40505
Trade-In Value
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Trade Evaluation
Dealer assessment
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are 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 units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$66,395
est $467/mo