New 2026 Forest River RV Sierra 3800RK Fifth Wheel

King Bed! 4 Slide Outs!
Virtual Tour Luxury
2026 3800RK Features and Options

Forest River Sierra 3800RK Fifth Wheel for Sale in Middlebury, IN

If you're searching for a rear kitchen fifth wheel in Indiana built for full-time living, the Forest River Sierra 3800RK delivers residential comfort, smart storage, and premium features. Available now at Royal RV Center in Middlebury, IN, this four-slide model is ideal for extended stays or full-time RV life.

Spacious Rear Kitchen for Real Cooking

The standout rear kitchen layout provides exceptional space and functionality, featuring:

  • Ample countertop space with bar seating
  • Three-burner high-output range with 22" oven
  • Large 12V refrigerator
  • Plenty of cabinetry and storage

Perfect for preparing meals just like home.

Comfortable Living Area with Workspace

Relax in the main living area with:

  • Theater seating and hide-a-bed sofa
  • 50" flat screen TV and entertainment center
  • Dedicated desk with chair for remote work

Great for both relaxing and staying productive on the road.

Front Master Suite with Luxury Bath

Enjoy a private retreat with a king bed slide, USB charging ports, and dresser storage. The front bathroom features:

  • Dual sinks
  • Shower with seat
  • Large walk-in closet with shelving, rods, and laundry storage

Dedicated Utility/Laundry Room

A unique mid-coach utility room includes washer/dryer hookups, counter space, and hanging storage—perfect for full-time RVers.

Outdoor Living Features

  • Exterior cooktop for outdoor meals
  • Easy setup with electric leveling system
  • Durable exterior built for all-season use

Built for Strength & Year-Round Travel

  • Welded aluminum frame with vacuum-bonded construction
  • Enclosed underbelly with armor protection
  • Goodyear tires with 7,000 lb. axles
  • Full coach water filtration system

Premium Interior Comforts

  • Rustic wood plank linoleum flooring
  • Residential lighting and cabinetry
  • Memory foam mattress
  • Wi-Fi extender system

Available at Royal RV Center

Visit Royal RV Center in Middlebury, Indiana, proudly serving Indiana, Michigan, Ohio, and beyond, to explore the Forest River Sierra 3800RK fifth wheel and experience full-time RV living in comfort and style.

 
 
What Our Customers Are Saying

Great Experience

They went above and beyond to make a wonderful experience buying our camper. From sales to the guys doing the walk through to finance. I would highly recommend them to anyone. Very easy transaction. A+ rating in our book. Thank you for everything. - Jason
Price: $103,775
You Save: $37,980
Sale Price: $65,795
Royal RV Center
Location: Middlebury, IN
Stock# R054643


2026 3800RK Specifications
Sleeps 4
Slides 4
Length 44 ft 1 in
Ext Width 8 ft
Ext Height 13 ft 4 in
Hitch Weight 2405 lbs
GVWR 15500 lbs
Dry Weight 12849 lbs
Cargo Capacity 2651 lbs
Fresh Water Capacity 50 gals
Grey Water Capacity 100 gals
Black Water Capacity 50 gals
Tire Size 16"
Furnace BTU 40000 btu
Available Beds King
Refrigerator Type 12V
Cooktop Burners 3
Number of Awnings 2
Axle Weight 7000 lbs
LP Tank Capacity 30 lbs
Water Heater Capacity 60000 gal
Water Heater Type On Demand Tankless
AC BTU 30000 btu
TV Info LR 50" Flat Screen TV
Awning Info 13' & 16' Electric w/LED Light Strip
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
VIN 4X4FSEP20TJ054643
For more information Contact Us
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