Used 2022 Keystone RV Alpine 3700FL Fifth Wheel
The Alpine 3700FL surrounds you with space, comfort, and upscale features—perfect for extended stays, entertaining guests, or simply enjoying the journey in style.
USED 2022 Keystone Alpine 3700FL Fifth Wheel – Elevated Luxury for Extended Adventures
Step into a fifth wheel designed for those who crave residential luxury while chasing new horizons. The Alpine 3700FL surrounds you with space, comfort, and upscale features—perfect for extended stays, entertaining guests, or simply enjoying the journey in style.
Highlights & Key Features
- Front Living Room Layout – Separate elevated lounge with dual tri-fold sofas and theater seating
- Bath and a Half – Added convenience for guests and everyday living
- King Bed Master Suite – Slide-out king bed with underbed storage and full rear bath access
- Dual Sink Vanity – Spacious rear bathroom designed for two
- Kitchen Island – Ideal for meal prep, entertaining, and added counter space
- Free-Standing Dinette – Residential-style dining for meals, work, or game nights
- Fireplace & 50" TV – Cozy entertainment center for relaxing evenings
- Heated Basement Storage – Protect gear and extend your camping season
- Hitch Vision System – Easier, safer hitching for stress-free travel days
Luxury Living on the Road
The front living area creates a true residential feel with opposing slides, plush seating, and a full entertainment setup—perfect for movie nights or hosting friends. Meanwhile, the kitchen sits at the heart of the coach, offering everything you need to prepare meals just like home.
Private Master Retreat
At the rear, your master suite becomes a sanctuary. Enjoy a king bed, ample storage, and direct access to a spa-like bathroom complete with dual sinks, a seated shower, and washer/dryer prep—ideal for long-term travel.
Built for Comfort & Durability
- 100" wide-body construction for maximum interior space
- Tall slide-outs and high ceilings for an open, airy feel
- Tru-Fit slide construction for durability and leak resistance
- Panoramic frameless windows for natural light and views
- In-floor ducted heat system for efficient airflow
- Color-coded 12V wiring for easier maintenance and service
What Makes This RV Stand Out Above the Rest
The Alpine 3700FL stands out with its true residential front living layout combined with a bath-and-a-half design—offering both luxury and practicality for full-time RVers or extended travelers. It’s a rare blend of entertainment space, privacy, and high-end comfort all in one coach.
Why Buy From Campers Inn RV
Campers Inn RV is dedicated to helping you find the right RV for your lifestyle. With experienced RV professionals, a wide selection of quality units, and continued support after the sale, you can travel with confidence wherever the road leads.
Spacious, refined, and built for life on the road—the Alpine 3700FL is ready to turn every trip into a first-class experience.
Fantastic service and support. Jim and Mike know RVs and even more important know the industry and all the conditions that are affecting RV sales. In addition, RV Kountry went above any beyond when it comes to the sale of my coach. They coordinated battery replacements and other repairs. I would highly recommend RV Kountry. Thanks for all your help. - Greg
You Save: $4,891
Sale Price: $59,899
Stock# 114756A
| Sleeps | 6 |
| Slides | 5 |
| Length | 41 ft 6 in |
| Ext Width | 8 ft 4 in |
| Ext Height | 13 ft 4 in |
| Hitch Weight | 2775 lbs |
| Dry Weight | 13944 lbs |
| Cargo Capacity | 2556 lbs |
| Fresh Water Capacity | 54 gals |
| Grey Water Capacity | 78 gals |
| Black Water Capacity | 78 gals |
| Tire Size | ST235/80R16G |
| Furnace BTU | 40000 btu |
| Available Beds | King |
| Refrigerator Type | Gas/Electric |
| 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 | 30000 btu |
| TV Info | LR 50" LED TV, BR TV |
| Awning Info | 14' and 14' Carefree 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 | 4YDFALU21NE780568 |
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