Used 2022 Keystone RV Alpine 3700FL
+41- Our Price: $59,899
- List Price: $64,790
- Discount: $4,891
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42ft long
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13,944 lbs
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Sleeps 6
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5 slides
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Front LivingKitchen Island
3700FL Floorplan
Specifications
| 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 |
Description
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.
Features
Standard Features (2022)
Exterior
- 12" I-Beam frame and 100" wide-body construction
- Road Armor™ shock absorbing hitch pin
- Hitch Vision™ w/ LED lighting
- Laminated sidewalls w/ double-welded aluminum construction and double insulated, laminated rear-end wall
- Large, tinted safety glass windows (80% tint)
- 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 (18-year limited warranty)
- 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
- Road Armor™ Shock Absorbing Suspension
- Heavy duty G-rated Tires (6-year warranty)
- One touch, 6-point hydraulic level up system
- Super size, 6'4" tall, 30" wide entry door
- Strut assisted SolidStep® by Lippert Components®
- 200 cu. ft. heated basement storage w/ tie downs and class "A" style, dual latch "slam" doors
- Rear, slide-out storage tray (select models)
- Back-up and side camera prep
- Battery quick-disconnect
- Easy access water works center - fully enclosed and heated
- Generator prep (optional)
- 5,550 watt Cummins Onan LP gas generator (optional)
- 66 gal. fresh Water, 83 gal. gray water, 49 gal. black water tanks
- Outdoor kitchen/entertainment (select models)
- 50 AMP service w/ electric power-cord reel
- Outside shower w/ hot and cold water
- Carefree power awning w/ adjustable arms
- 2” Accessory Hitch w/ 300 lb. Capacity (select models)
- 2” Towing Hitch w/ Wiring Harness (3,000 lbs. Towing Capacity) (select models)
- Solar-prep
Interior
- Designer floor throughout
- Extra tall, 6'10" main slide height
- Hardwood slideout fascia w/ wood accent
- Day/night roller shades
- Designer upholstered window valances
- Stunning solid wood cabinet doors, cabinet framing, and slide fascia
- Thomas Payne® furniture equipped w/ heat, massage, LED lights and USB charging stations in theatre seats
- Crown molding
- 40" fireplace producing 5,000 BTU of electric heat
- Central vacuum
Keystone Exclusive
- 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™
- In-floor heating ducts
- Tru-fit™ slide construction
Kitchen
- Solid wood cabinet doors, drawer fronts, and cabinet framing
- Solid-surface countertops
- Stainless steel, extra deep sink w/ dual bowls and a solid surface sink cover
- High-rise, single-lever faucet w/ sprayer
- Amazing Legless Dinette Table w/ storage; and (4) high-back dinette chairs w/ storage
- Solid surface countertops
Appliances & Utilities
- (2) 30 lb propane bottles
- Dual Quiet Cool (2) high-pressure A/Cs w/ 15,000 BTU Whisper Quiet Technology, w/ electric pump and cold air return vents (2). Rear A/C includes a 16,500 BTU heat pump.
- 3rd A/C (optional)
- 35,000 BTU gas furnace
- Fully programmable dual zone temperature control
- On-demand water heater
- Super Cinema - 50" LED TV w/ sound system
- 18 cu. ft. gas/electric refrigerator
- 18 cu. ft. residential refrigerator (optional)
- 30" convection oven/microwave
- Furrion® Chef Collection kitchen appliances (select models)
- Insignia™ kitchen appliances (select models)
- Stackable washer/dryer prep
- LED lighting throughout
- iN-Command® Generation 3/Global Connect control system
Bedroom
- King bed
- (2) LED overhead reading lights
- Bedside outlets on both sides of bed
- Quilted bedspread and pillows
- TV in bedroom
- Modern, nail-head decorative headboard
Bathroom
- Translucent glass shower enclosure w/ massaging shower head and shower skylight
- Porcelain foot-flush toilet
- Medicine cabinet
- Linen cabinet
Weather Protection
- Tested, Polar Pack protection for four-season camping and heat ducting to tanks w/12-volt heat pads
Safety
- Breakaway switch
- GFI receptacles
- Carbon monoxide detector
- Smoke detector
- Propane gas leak detector
- Fire extinguisher
SolarFlex (select models)
- SolarFlex™ 200
- SolarFlex™ 400i
- SolarFlex™ 600i-L
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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Kathy from Casa Grande, AZGreat experience
Our salesperson Jan was awesome. She took as much time as we needed for our questions and never hurried or pressured us. We will tell any of our friends looking for an RV to come here to the Mesa store. -
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