2026 Forest River Sierra 3900HBLR

New Fifth Wheel in Mesa, Arizona, 85213

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New 2026 Forest River Sierra 3900HBLR available in Mesa, Arizona
2026 Forest River Sierra 3900HBLR - New Fifth Wheel For Sale by General RV Center in Mesa, Arizona
2026 Sierra 3900HBLR by Forest River from General RV Center in Mesa, Arizona
New 2026 Forest River Sierra 3900HBLR available in Mesa, Arizona

Unit Specs

**Forest River Sierra fifth wheel 3900HBLR highlights:** - Three Slides - Entertainment Center - Bath and a Half - Walk-In Bathroom Closet - 12V Refrigerator This fifth wheel is perfect for those seeking a comfortable, feature-rich home on wheels. Upon entering, you'll find a spacious rear living room, ideal for relaxation and entertainment. The room features a comfortable chaise lounge, sofa, and an entertainment center with a cozy fireplace. For added convenience, there's a hidden pantry, desk with a chair, and a shelf and cabinet for storage. The kitchen is well-appointed with a stylish kitchen island featuring a beautiful waterfall edge. Overhead cabinets provide ample storage, while the microwave and 12V refrigerator allow for easy meal prep. Plus, a butler pantry offers additional storage for kitchen essentials. A convenient half bath is located nearby, complete with a stackable washer and dryer prep if you want the option to add these appliances. The bedroom retreat features a comfortable king bed, a small dresser, and a tall dresser with a TV hookup. The adjacent walk-in bathroom closet boasts a one-piece fiberglass shower, dual sink, medicine cabinet, linen closet, and ample storage thanks to the various shelves, perfect for keeping your belongings organized. Exterior features include two awnings, one 12’ and the other 18’, providing ample shade and protection. 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 cambered powder coated frame with rust prohibitor construction allows for more duration of the fifth wheel. Each model also comes with a TV antenna with booster, 60,000BTU on demand tankless water heater, Goodyear Radial tires with 7,000 lb. axles, and the list goes on. The interior is just as impressive with Beachside Sundance Congoleum linoleum, recessed residential lighting, a memory foam mattress, and hidden hinged, soft close drawers and cabinets!

2026 Forest River Sierra 3900HBLR Features


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

General RV Center

2260 E Main Street
Mesa, AZ 85213

Member Since 2025

See 26 Reviews

Unit Specs

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 3900HBLR Offered for sale by General RV Center
General RV Center
General RV Center

2260 E Main Street
Mesa, AZ 85213

Phone: Click to Call

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New 2026 Forest River Sierra 3900HBLR available in Mesa, Arizona
2026 Forest River Sierra 3900HBLR - New Fifth Wheel For Sale by General RV Center in Mesa, Arizona
2026 Sierra 3900HBLR by Forest River from General RV Center in Mesa, Arizona
New 2026 Forest River Sierra 3900HBLR available in Mesa, Arizona