New 2026 Forest River RV Sierra 3800RK Fifth Wheel

FREIGHT, PREP, DETAIL AND WALK-THROUGH INCLUDED! ALSO, NATIONAL SHIPPING AVAILABLE!
Virtual Tour Triple AC
2026 3800RK Features and Options

Brand New 2026 Forest River Sierra fifth wheel 3800RK highlights:

  • Four Slides
  • Theater Seating
  • Exterior Cooktop
  • Walk-In Bathroom Closet
  • 12V Refrigerator

 

Appliances/Systems 

Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C 

AIRDIRECT® Air Vents for improved efficiency  

16 cu. ft. 12V refrigerator 

60,000BTU On Demand Tankless Water Heater 

40,000BTU furnace 

Heated Holding Tanks (12V) 

Floor ducted 40,000BTU furnace 

Satellite and cable hookup with RG-6 cable for high quality picture 

Porcelain foot flush toilet(s) 

65 Amp converter 

 

Exterior Features 

Automatic Electric Level-Up System 

2" Towing and Accessory Hitch (Where Available) 

7,000lb axles with Anti-lock Braking System 

Goodyear Radial Tires w/ anti-lock brakes 

Lippert auto adjust brakes 

Rich Solar 200W roof mounted solar panel with controller and battery 

Quad MORryde® step above with strut (Where Available) 

Color matched high gloss gel coated colored exterior fiberglass 

Painted two tone aerodynamic fiberglass front cap with improved turning radius 

Underbelly Armor 

Tire Pressure Monitoring System 

Spare tire  

Large, tinted windows with 80/20 UV prohibitor 

Electric awning with LED light strip 

Prepped for Lippert On-The-Go Ladder 

Power front jacks with spring loaded pins 

30 lb. double LP tanks with auto change over 

Rain gutters with extra-long drip spouts (Prevents black streaking)

Upgraded aluminum rims 

Exterior LP Quick Connect  

 

Construction 

5/8" tongue and groove DryMax® OSB floor decking 

2 x 3 floor joists, 12" on center 

Laminated sidewalls 

3/8" roof decking (Full walk-on roof) 

Cambered powder coated frame with rust prohibitor 

Underbelly armor 

5" truss roof rafters 

R-10, 2" sidewall construction 

 

Popular Options 

Cordless vacuum 

Slide room awnings (N/A dinette slides) 

Washer and Dryer (Standard on 3800RK & 3900HBLR) 

Dual pane windows (N/A 3900HBLR 84” Window) 

3rd A/C power saver direct dump system w/ wall thermostat

 

What Our Customers Are Saying

Friendly Staff!

A lot of fun and friendly people work at this dealership and they took the stress out of the purchasing process. Our sales person was Kasey and my wife and I both loved her. She answered all our questions and was very straightforward about everything. I was also impressed with the candor of the two technicians they provided during the delivery process. They explained the camper to us and gave us a - Daniel
Price: $93,817
You Save: $21,867
Sale Price: $71,950
Recreation USA
Location: South Myrtle Beach, SC
Stock# 15720
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 3253551#
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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
Electrical Service 50 amp
VIN 4X4FSEP28TJ055054
For more information Contact Us

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