2026 Forest River Sierra 3900HBLR

New Fifth Wheel in Turlock, California, 95382

$79,995.00
Show All 106 Photos
New 2026 Forest River Sierra 3900HBLR available in Turlock, California
2026 Forest River Sierra 3900HBLR - New Fifth Wheel For Sale by Best RV Center in Turlock, California features Slideout
2026 Sierra 3900HBLR by Forest River from Best RV Center in Turlock, California
New 2026 Forest River Sierra 3900HBLR available in Turlock, California

Unit Specs

  • Stock #39122
  • Year2026
  • ManufacturerForest River
  • Make Forest River
  • ModelSierra
  • Floorplan3900HBLR
  • Floorplan LayoutFront Bath
    Kitchen Island
    Rear Living Area
  • Type Fifth Wheel
  • ConditionNew
  • Length42' 0"
  • VIN055011
  • Price $114,625.00
  • Sale Price $79,995.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps3
  • Water Capacity (Fresh)50 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)136 gal
  • Slideouts3
  • Tow/Hitch Weight2085 lbs

The following is a list of Additional Options besides the Standard Features come with the unit are: 

  • 2026 SIERRA  3900HBLR
  •  
  • SWITCHBACK INTERIOR COLOR
  • SUMMIT PACKAGE
  • CHEHS KITCHEN PACKAGE
  • 3RD A/C W/POWER SAVER SYSTEM
  • WASHER AND DRYER
  • RVIA SEAL
  • Front Bath
  • Kitchen Island
  • Rear Living Area

The campground will feel like home in this 2026 Forest River Sierra 3900HBLR. Ready to be a proud Forest River owner? This 2026 Forest River Sierra 3900HBLR is the perfect fit. The sleep capacity allows you to bring up to 3 along on your travels in this rig. With three slides, this rig feels roomy and spacious inside. The 50 gallon fresh water tank is just right for easy RV traveling. While the inside of this rig is enough on its own, the outside also features slideout.

2026 Forest River Sierra 3900HBLR Features


  • Exterior
    Slideout

2026 Forest River Sierra 3900HBLR Specifications

Dimensions

Height

13' 4"

Length

42' 9"

Width

8' 0"

Weights

Dry Weight

13,284 lbs

GVWR

16,085 lbs

Hitch Weight

2,085 lbs

Payload Capacity

2,801 lbs

Capacities

Refrigerator Capacity

16 cu ft

Sleep Capacity

3

Water Capacity - Black

104 gal

Water Capacity - Fresh

50 gal

Water Capacity - Grey

136 gal

Exterior

# Awnings

2

# Axles

2

# Doors

1

# Slides

3

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 3900HBLR Literature


Seller Info

Best RV Center

5340 Taylor Court
Turlock, CA 95382

Member Since 2006

See 879 Reviews

Unit Specs

  • Stock #39122
  • Year2026
  • ManufacturerForest River
  • Make Forest River
  • ModelSierra
  • Floorplan3900HBLR
  • Floorplan LayoutFront Bath
    Kitchen Island
    Rear Living Area
  • Type Fifth Wheel
  • ConditionNew
  • Length42' 0"
  • VIN055011
  • Price $114,625.00
  • Sale Price $79,995.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps3
  • Water Capacity (Fresh)50 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)136 gal
  • Slideouts3
  • Tow/Hitch Weight2085 lbs

Email Seller

Request More Info on this 2026 Forest River Sierra 3900HBLR Offered for sale by Best RV Center
Best RV Center
Best RV Center

5340 Taylor Court
Turlock, CA 95382

Phone: Click to Call

campground and travel trailer

Everything about RV life delivered directly to your inbox. The hottest RVs, tips & tricks, recipes, travel destinations, new gadgets & much more!

Child Eating s'mores
2026 Forest River Sierra 3900HBLR Gallery

Click on images to see them enlarged in a slideshow format

New 2026 Forest River Sierra 3900HBLR available in Turlock, California
2026 Forest River Sierra 3900HBLR - New Fifth Wheel For Sale by Best RV Center in Turlock, California features Slideout
2026 Sierra 3900HBLR by Forest River from Best RV Center in Turlock, California
New 2026 Forest River Sierra 3900HBLR available in Turlock, California