New 2021 Keystone RV Alpine 3910RK
Year after year, Keystone RV’s experienced team delivers the Built for the Long Haul quality you expect and exclusive innovations you won’t find anywhere else.

Keystone RV Alpine fifth wheel 3910RK highlights:
- Rear Separate Kitchen
- Bath and a Half
- Tri-Fold Sofa Sleepers
- Free Standing Dinette
- Dual Entry
- LCI Solid Step
This is the perfect couples RV that has a chef in the family! The rear kitchen offers everything from an 18 cu. ft. gas/electric refrigerator or choose the residential option, a large pantry, and lots of counter space with full amenities to make a thanksgiving meal. The second exterior entry in the kitchen allows you to take food outside to enjoy under one of the two electric awnings without having to walk very far. The chef will even have good sightlines into the separate living area to watch the 50" LED TV and visit with any guests sitting on the tri-fold sofa sleeper slides or the theater seats. You can also dine inside at the free standing dinette. The half bath is conveniently located near the main entry and includes a space prepped for a washer/dryer option, and your front full bathroom is complete with dual sinks and a walk-in wardrobe. And don't forget about sleeping like a king in the master suite!
When you choose an Alpine fifth wheel by Keystone RV, you are choosing luxury, innovation, modern style and so much more! The stunning Aspen Oak cabinetry with contrasting Renewed Oak accents and vintage wire mesh glass inserts, the polished natural stone solid surface countertops, and the varied plank width resilient flooring throughout are just a few highlights inside. Some other noteworthy features include the high-fidelity video and audio to withstand road vibration with three, separately controlled sound zones with smartphone app capability, and the iN-Command system with oversized touchscreen monitor giving you control of power over the slides, awnings, and HVAC. Each Alpine is built with 100" wide body construction, a dual 15,000 BTU Whisper Quiet A/C system, a Nautilus On-Demand water heater for instant, endless hot water, and insulated wrapped tanks with 12 volt heat pads allowing you to travel every season.
End June we returned after a few camping trips to get warranty work done on our coach. AGAIN Appleway's staff was outstanding and our salesman Tom was there to greet us. Along with Amanda, Ryan, and the service team they completed the warranty work all in one day. They deserve the 5 star rating in our book. April -Last weekend we drove over from the Puget Sound to see, test, drive, and pick up our ... More » - Jonathan from Carnation, WA
Stock# AP73597
Exterior Color: WHITE
Interior Color: STANTON
Sleeps | 6 |
Slides | 3 |
Length | 43 ft |
Ext Width | 8 ft 4 in |
Ext Height | 13 ft 3 in |
Interior Color | STANTON |
Exterior Color | WHITE |
Hitch Weight | 2675 lbs |
Dry Weight | 13275 lbs |
Cargo Weight | 3225 lbs |
Fresh Water Capacity | 54 gals |
Grey Water Capacity | 83 gals |
Black Water Capacity | 83 gals |
Furnace BTU | 35000 btu |
Available Beds | King |
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 Capacity | 12 gal |
Water Heater Type | DSI Two Way |
AC BTU | 30000 btu |
TV Info | LR 50" LED TV |
Awning Info | 20' and 11' One-Touch Electric with Adjustable Arms |
Axle Count | 2 |
Washer/Dryer Available | Yes |
Number of LP Tanks | 2 |
Shower Type | Shower w/Seat |
Electrical Service | 50 amp |
VIN | 4YDF39122ME780952 |
Scan this QR code with your smartphone to save this page and have mobile access to this unit's information.
Loading

When Cole Davis founded Keystone RV in 1996 his vision was clear: to build a quality RVs loaded with features, and provided exceptional value to owners. To accomplish his goal, Cole would recruit and build a strong team, focus on keeping overhead low, and empower the people closest to the customer to make decisions.
Today, Keystone RV Company is the #1 manufacturer of towable RV’s in North America with more than a million owners, 5,000 team members and over a million square feet of manufacturing in Goshen, Indiana and Pendleton, Oregon. Although a lot has changed, Cole’s wisdom still guides us. Our goal is to surprise and delight our owners at each and every touchpoint, providing them with the information, quality, and assurance they need to move in the direction of their dreams – to Live It Out™
WAC 308-56A-160
HOW TO DETERMINE MODEL YEAR.
CLICK HERE