Williams Family RV
2026 Forest River 2026 Forest River Sierra - image 1
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Layout & Media

Explore the floorplan, 3D tour
2026 Forest River Sierra 3800RK floorplan

Complete Fifth Wheel Specifications

2026 Forest River Sierra Overview

Introducing the all-new 2026 Forest River Sierra 3800RK, a fifth-wheel that delivers on comfort and adventure. This exceptional RV is perfect for families and outdoor enthusiasts looking to create unforgettable memories on the road. With a standard shower type, you will enjoy the convenience of home while experiencing the great outdoors. The Forest River brand is renowned for its quality and reliability, making the Sierra a trusted choice among RV owners. Spacious and designed for easy towing, this fifth-wheel is ready for your next journey. Schedule your tour today!

Premium Features & Highlights

Spacious Interior Layout
Standard Shower for Added Comfort
Ideal for Family Adventures
Renowned Forest River Quality
Easy Towing and Maneuverability
Select a category to view specs

Overview

Vehicle Identification & Details

8 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
3800RK
Make
Forest River
Model
Sierra
Stock Number
2597
VIN
4X4FSEP22TJ055017
Year
2026

Size & Weight

Dimensions, Weight, Construction & Exterior

8 specifications available

Dry Weight
12,849 lbs
GVWR
15,500 lbs
Length
44.08 ft
Width
8 ft
Awnings Count
2
Doors Count
1
Primary Color
White
Slides
4

Sleeping & Layout

Beds, Layout, Living & Comfort

10 specifications available

Bunk Beds Count
0
Convertible Beds Count
0
Double Beds Count
0
Full Beds Count
0
King Beds Count
0
Queen Beds Count
0
Sleeps
4
Has Primary Bedroom Window Shades
Yes
Recliners Count
0
Sofas Count
0

Kitchen & Dining

Cooking, Dining & Appliances

4 specifications available

Microwave
Yes
Kitchen Location
Rear
Stovetop Burners
3
Refrigerator Type
12V

Bathroom & Facilities

Comfort & Privacy

5 specifications available

Bathroom Location
Front
Bathrooms Count
1
Has Bathroom Vent
Yes
Has Medicine Cabinet
Yes
Shower Type
Shower w/Seat

Water Systems

Tanks & Plumbing

8 specifications available

Black Water Capacity
50 gal
Black Water Tanks Count
1
Fresh Water Capacity
50 gal
Fresh Water Tanks Count
1
Gray Water Capacity
100
Gray Water Tanks Count
1
Has Water Heater Bypass
Yes
Water Heater Type
On Demand Tankless

Power & Electrical

Electrical, Entertainment & Safety

9 specifications available

Ac Prewiring
Yes
Cable Prewiring
Yes
Has Battery Converter
Yes
Heat Prewiring
Yes
Satellite Prewiring
Yes
Tv Antenna Prewiring
Yes
Washer Dryer Prewiring
Yes
Radios Count
0
Televisions Count
0

Climate Control

Heating & Cooling

2 specifications available

Ac Btu
30,000 BTU
Heater Btu
40,000 BTU

* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Williams Family RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Williams Family RV.

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Built to Last

Superior construction for years of adventures
Quality

Quality Construction

Built with premium materials and attention to detail for years of reliable performance.

Ready for Your Next Adventure?

Experience the freedom of the open road with your next RV adventure

Payment Calculator

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from $575/mo
Estimated • 20% down

Schedule Tour

See this RV in person at our showroom

Showroom Hours
Mon-Fri: 9AM-6PM
23360 AL-59 Robertsdale, AL 36567

Trade-In Value

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Trade Evaluation

Dealer assessment

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$81,299
est $535/mo