2025 KEYSTONE 3700FL

Experience life on the road without sacrificing comfort or style in the 2025 Keystone Alpine 3700FL. This flagship front living fifth wheel is purpose-built for full-time RVers and luxury travelers who want top-tier amenities, elegant design, and cutting-edge technology. With spacious living areas, premium appliances, and residential features throughout, the Alpine 3700FL transforms every journey into a first-class experience.

Features:

  • 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
  • Large, Tinted Safety Glass Windows (80% tint)
  • 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
  • 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 7,000lb. Axles w/Nev-R-Adjust Brakes
  • Road Armor Shock Absorbing Suspension
  • Lippert TPMS Prep
  • Saliun G-Rated Tires
  • Titan: One Touch, 6-point Hydraulic Level Up System
  • Super Size, 6'4" tall, 30" Wide Entry Door
  • Lippert Strut Assisted SolidStep
  • 200Cu. Ft. Heated Basement Storage and Class A Style, Dual Latch Slam Doors
  • Back-Up and Side Camera Prep
  • Battery Quick-Disconnect
  • Easy Access Nautilus Water Works Center - Fully Enclosed and Heated
  • Canister Style Water Filtration
  • Oversized 73" Sewer Hose Carrier
  • 50Amp Service w/Electric Power-Cord Reel
  • Outside Shower w/Hot and Cold Water
  • Carefree Power Awning w/Adjustable Arms
  • 2" Accessory Hitch w/ 300lb. Capacity
  • Keyed-A-Like
  • JBL Aura Cube Sound System w/ Exterior Belly Mounted Speakers
  • Extra Tall, 6'10" Main Slide Height
  • Hardwood Slide out Fascia w/Wood Accent
  • Day/Night Roller Shades
  • Hardwood Valance with Accent and Custom Wood Window Frame and Windowsill
  • Stunning Solid Wood Cabinet Doors, Cabinet Framing, and Slide Fascia
  • Thomas Payne Furniture Equipped w/ Heat, Massage, LED Lights and USB Charging Stations In Theater Seats
  • Crown Molding
  • 40" Fireplace Producing 5,000 BTU of Electric Heat
  • Central Vacuum
  • Color-Coded Unified Wiring Standard
  • Tuf-Lok Thermoplastic Duct Joiners
  • KeyTV
  • In-Floor Heating Ducts
  • Tru-Fit Slide Construction
  • 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
  • (2) 30lb Propane Bottles
  • 3rd A/C
  • 35K BTU Gas Furnace
  • Fully Programmable Dual Zone Temperature Control
  • On-Demand Water Heater
  • 18 Cu. Ft. Residential Refrigerator
  • 30" Convection Oven
  • Stackable Washer/Dryer Prep
  • Flush-Style LED Lighting Throughout
  • Interior Mounted Control Panel w/ Exterior Mounted 3-Way Switches
  • King Bed
  • (2) LED Overhead Reading Lights
  • Bedside Outlets On Both Sides Of Bed
  • TV In Bedroom
  • Decorative Headboard
  • Translucent Glass Shower Enclosure w/ Oxygenic Shower Head, Shower Skylight, and High Watt Shower Light
  • Porcelain Foot-Flush Toilet
  • Medicine Cabinet
  • Linen Cabinet
  • Breakaway Switch
  • GFI Receptacles
  • Carbon Monoxide Detector
  • Smoke Detector
  • Propane Gas Leak Detector
  • Fire Extinguisher
Location Texarkana, TX
Condition NEW
Status AVAILABLE
Stock # KEY780254
Year 2025
Make KEYSTONE
Model Alpine
Trim 3700FL

Specifications

General
Secondary Category FRONT LIVIVNG
Class Fifth Wheel
Length (FT/IN) 41' 42"
Total Gray Water Tank Capacity (GAL) 78
Number Of Propane Tanks 2
Total Propane Tank Capacity (GAL) 60
Sidewall Construction FIBERGLASS
Number Of Slideouts 3
Max Sleeping Count 6
Water Heater Tank Capacity (GAL) TANKLESS
Basic Warranty (MO) 12
Structure Warranty (MO) 36
Solar Battery Charger YES
Washer/Dryer Prep YES
Hitch Weight (LBS) 3080 LBS
Total Black Water Tank Capacity (GAL) 78
Payload Capacity (LBS) 2969
Dry Weight (LBS) 14111 LBS
Mileage N-A
Vin 4YDFALU26SE780254
Other Specifications
Width (IN/MM) 0
Height (IN) 0


Come Experience the Rocky Ridge RV Difference!

When you step into Rocky Ridge RV, you'll quickly realize that we stand out from the crowd in the RV industry. We are dedicated to providing you with an exceptional experience, and here's why we're unlike any other:

No Surprise Costs: At Rocky Ridge RV, we believe in transparency. That's why we proudly offer no prep fees, no destination fees, and absolutely no hidden charges of any kind. When you shop with us, you can trust that the price you see is the price you pay. We're committed to ensuring you have complete clarity about your RV purchase.

Battery Included: We go the extra mile to ensure your RV is ready for adventure right from the start. That's why we include your battery in the price, at no additional cost. We're not about nickel-and-diming you; we're about providing you with an RV that's ready to hit the road when you are.

Tailored to Your Needs: Your RV experience should be a reflection of your desires and requirements. At Rocky Ridge RV, we take the time to understand your specific wants and needs. Our dedicated team is focused on ensuring you find the RV that perfectly matches your lifestyle, whether you're a seasoned traveler or a first-time RVer.

So, if you're seeking an RV dealer that values transparency, includes essential features without extra charges, and is genuinely dedicated to your satisfaction, look no further. Come visit us at Rocky Ridge RV and come experience the difference for yourself. Your journey towards RV ownership starts here, with the peace of mind you deserve.

*Rocky Ridge RV makes every effort to be accurate in all of our listings, however, sometimes errors may occur. Please contact the dealership to verify the availability of the RV, as well as the accuracy of any features shown in the listing.



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