2026 Forest River Sierra 3800RK

New Fifth Wheel in Middlebury, Indiana, 46540

$67,295.00
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New 2026 Forest River Sierra 3800RK available in Middlebury, Indiana
2026 Forest River Sierra 3800RK - New Fifth Wheel For Sale by Royal RV Center in Middlebury, Indiana features Slideout
2026 Sierra 3800RK by Forest River from Royal RV Center in Middlebury, Indiana
New 2026 Forest River Sierra 3800RK available in Middlebury, Indiana

Unit Specs

  • Stock #R054643
  • Year2026
  • ManufacturerForest River
  • Make Forest River
  • ModelSierra
  • Floorplan3800RK
  • Floorplan LayoutFront Bath
    Rear Kitchen
  • Type Fifth Wheel
  • ConditionNew
  • Length44' 0"
  • VIN4X4FSEP20TJ054643
  • Price $103,775.00
  • Sale Price $67,295.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps4
  • Water Capacity (Fresh)50 gal
  • Water Capacity (Black)50 gal
  • Water Capacity (Grey)100 gal
  • Slideouts4
  • Tow/Hitch Weight2405 lbs

Forest River Sierra fifth wheel 3800RK highlights:

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

 

If you're looking to go full-time RVing, this fifth wheel is packed with convenient features! The master bedroom includes a king bed slide out with USB ports on either side of the bed so you both can charge your phones, and there is a dresser for your folded clothes. You will love the front bathroom with dual bath sinks, a shower with a seat, plus a walk-in closet with shelves, rods to hand clothes, and baskets for laundry! There is a unique middle utility room with washer and dryer, Washer and dryer counter and a rod to hang clothes that will make a perfect laundry room, or you can utilize this space for storage! Head to the main living area to relax on the theater seating or hide-a-bed sofa, and if you have guests stay over, they can sleep here. There is also an entertainment center with a 50" flat screen TV, but you might just leave that off if you're working at the desk with a chair that is provided. We've saved the best part for last; the kitchen! Here, you'll find ample counter space to prep home-cooked meals, a three burner high output range with a 22" oven, plus a large counter with barstools where you can enjoy breakfast at each morning. Choosing this fifth wheel is a no-brainer!

 

Each one of these Forest River Sierra fifth wheels are equipped with everything you need to make the most of each adventure! The underbelly armor will protect your unit's vitals from road debris and the painted two tone aerodynamic fiberglass front cap has an improved turning radius to make them easier to navigate. With an electric leveling system, you can set your unit up quick and easy then get to having fun faster than ever. The welded aluminum framed, vacuum bonded laminated superstructure will hold up through every adventure and the cambered powder coated frame comes with rust prohibitor to last longer. Each model also includes the Summit Package that comes with a king Wi-Fi extender system and Olympus antenna, a full coach water filter system, Goodyear tires with 7,000 lb. axles, and the list goes on. The interior is just as impressive with rustic wood plank linoleum, recessed residential lighting, a memory foam mattress, and mocha accent crown molding over the kitchen cabinets!

  • Front Bath
  • Rear Kitchen

2026 Forest River Sierra 3800RK Features


  • Exterior
    Slideout

2026 Forest River Sierra 3800RK Specifications

Dimensions

Height

13' 4"

Length

44' 1"

Width

8' 0"

Weights

Dry Weight

12,849 lbs

GVWR

15,500 lbs

Hitch Weight

2,405 lbs

Payload Capacity

2,651 lbs

Capacities

Refrigerator Capacity

16 cu ft

Sleep Capacity

4

Water Capacity - Black

50 gal

Water Capacity - Fresh

50 gal

Water Capacity - Grey

100 gal

Exterior

# Awnings

2

# Axles

2

# Doors

1

# Slides

4

Hitch

Fifth Wheel

Electrical

# A/C

2

A/C Spec

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

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Forest River Sierra 3800RK Literature


Seller Info

Royal RV Center

14441 US HWY 20
Middlebury, IN 46540

Member Since 2020

See 151 Reviews

Unit Specs

  • Stock #R054643
  • Year2026
  • ManufacturerForest River
  • Make Forest River
  • ModelSierra
  • Floorplan3800RK
  • Floorplan LayoutFront Bath
    Rear Kitchen
  • Type Fifth Wheel
  • ConditionNew
  • Length44' 0"
  • VIN4X4FSEP20TJ054643
  • Price $103,775.00
  • Sale Price $67,295.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps4
  • Water Capacity (Fresh)50 gal
  • Water Capacity (Black)50 gal
  • Water Capacity (Grey)100 gal
  • Slideouts4
  • Tow/Hitch Weight2405 lbs

Estimated Payment-

Interest Rate % *(W.A.C.)
Term Years
Down Payment $
*W.A.C. = With approved credit

Email Seller

Request More Info on this 2026 Forest River Sierra 3800RK Offered for sale by Royal RV Center
Royal RV Center
Royal RV Center

14441 US HWY 20
Middlebury, IN 46540

Phone: Click to Call

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2026 Forest River Sierra 3800RK Gallery

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New 2026 Forest River Sierra 3800RK available in Middlebury, Indiana
2026 Forest River Sierra 3800RK - New Fifth Wheel For Sale by Royal RV Center in Middlebury, Indiana features Slideout
2026 Sierra 3800RK by Forest River from Royal RV Center in Middlebury, Indiana
New 2026 Forest River Sierra 3800RK available in Middlebury, Indiana