Serving New Mexico for nearly 50 years!

Trust, Value and Dependability.

2018 Keystone Alpine 3800FK


Alpine fifth-wheel trailers are designed for a new generation of campers who are looking for contemporary styling, unique floorplans, and modern amenities, with smart RV controls. Designed like no other luxury fifth wheel, Alpine RV’s offer a residential feel with high ceilings, almost 7′ tall slide-outs, 100″ wide-body construction, and panoramic frameless windows.

This rig is equipped with two TVs, a nice Electric Fireplace that puts out really great heat, Easy Auto-Leveling, and LOTS of Storage. And, Sleeps 6! Very well maintained by owner, annual maintenance and inspections completed.

Incredible standard features.
Tested, Polar Pack protection for four-season camping and heat ducting to tanks w/12-volt heat pads.
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® Funiture
Crown molding
40″ fireplace producing 5,000 BTU of electric heat
Central vacuum
(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).
35,000 BTU gas furnace
Fully programmable dual-zone temperature control
18 cu. ft. gas/electric refrigerator
Queen bed
(2) LED overhead reading lights
Bedside outlets on both sides of the bed
TV in bedroom
Modern, nail-head decorative headboard.


Included with every purchase of a new or used unit:
*Gas Water and electric test to ensure no leaks in lines and all appliances work.
*An overnight stay in our Oasis campground after your purchase. This gives you the opportunity to learn about your new trailer before you hit the road.
* We’re a first-time buyer friendly dealership. Ask us about our New to RVing perks!

  • 4 Seasons
  • 50 Amp Service
  • AC/DC Converter
  • Air Conditioning Unit(s)
  • Aux Battery
  • Awning
  • Booth Dinette
  • Convection oven/Microwave
  • Disc Brakes
  • Ducted heating
  • Enclosed Bathroom
  • Enclosed Underbelly
  • Exterior Shower
  • Fireplace
  • Flat Screen TV
  • Frameless Windows
  • Full Size Refrigerator
  • Gas/Elec Water Heater
  • Gas Cooktop
  • Glass Shower Enclosure
  • Heated Holding Tanks
  • Hydraulic Leveling
  • LED Interior Utility & Decorative Lighting
  • LPG Detector
  • LPG Quick connect & Black water flush
  • On-Demand Tankless Water Heater
  • One touch, 6-point hydraulic level up system
  • Smoke Detector
  • Solar ready
  • Strut assisted SolidStep® by Lippert Components
  • Thermal Pane Windows
  • TV Antenna
  • USB Charging Ports
  • USB Charging Ports on Both Sides of Bed

Length - 41.42 ft. (497 in.)
Width - 8 ft. (96 in.)
Height - 13.33 ft. (160 in.)

Dry Weight - 13,364 lbs.
Payload Capacity - 3,136 lbs.
GVWR - 16,500 lbs.
Hitch Weight - 2,740 lbs.

Total Fresh Water Tank Capacity - 66.0 gal.
Total Gray Water Tank Capacity - 78.0 gal.
Total Black Water Tank Capacity44.0 gal.

Number Of Propane Tanks -2
Total Propane Tank Capacity - 14.2 gal.
Total Propane Tank Capacity - 60 lbs.

Year: 2018
RV Type: Fifth Wheel
Manufacturer: Keystone
Brand: Alpine
Model: 3800FK
Stock #: 80563
Outside Length: 42'
Sleeping Capacity: 6
Slideouts: 5
N/U: Used

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RV Sales will be closed Sept, 23rd - 30th 2023!

Our team will be participating in up-to-date RV continuing education and bringing back the newest features in the RV industry.
See you all on October 3rd.

Happy Trails, from your friends at RV Sales in Moriarty NM.