New 2025 Sierra 3990FL Fifth Wheel
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Sierra 3990FL Description
Forest River Sierra fifth wheel 3990FL highlights:
- Full and Half Lofts
- King Bed
- Walk-In Shower
- Front Living Area
- Two Tri-Fold Hide-A-Beds
- Theater Seating
The perfect fifth wheel for a larger family! This unit sleeps eight or more with the full and half lofts above the rear master bedroom and bathroom. In the full loft area there are two 44" x 74" bunk mats for comfort as well as wardrobe/storage at the head of each. The master bedroom features a king size bed that slides out to create more space by the bed. A spacious bath features a walk-in shower for comfort and includes a seat so you can relax while you shower. A spacious kitchen features two slides, a free standing dinette in one, and the 12V refrigerator and stove in the other. There is also a center island with large sink for added food prep space. Head up the steps in front to a dual slide front living area with 50" TV and fireplace beneath the window. There is also theater seating opposite the TV, and a tri-fold hide-a-bed in each slide allowing added sleeping space when needed.
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!
Sierra 3990FL Specifications
Sleeps | 8 |
Slides | 5 |
Length | 43 ft 6 in |
Ext Width | 8 ft |
Ext Height | 13 ft 4 in |
Hitch Weight | 2825 lbs |
GVWR | 15375 lbs |
Dry Weight | 12439 lbs |
Cargo Capacity | 2936 lbs |
Fresh Water Capacity | 50 gals |
Grey Water Capacity | 80 gals |
Black Water Capacity | 50 gals |
Tire Size | 16" |
Furnace BTU | 35000 btu |
Available Beds | King |
Refrigerator Type | 12V |
Refrigerator Size | 16.8 cu ft |
Cooktop Burners | 3 |
Number of Awnings | 1 |
LP Tank Capacity | 30 lbs |
Water Heater Capacity | 60000 gal |
Water Heater Type | On Demand |
AC BTU | 30000 btu |
TV Info | LR 50" Flat Screen TV |
Awning Info | 16' Electric w/LED Light Strip |
Axle Count | 2 |
Washer/Dryer Available | Yes |
Number of LP Tanks | 2 |
Shower Type | Shower w/Seat |
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ManuFacts
Customer Satisfaction is Our #1 Priority.
At Forest River, Inc., your needs, interests, budget, and lifestyle are at the forefront of everything we do. This affects every step from design, to the manufacturing floor, and on to you, our Customer. Whatever your need—recreation, transportation, or cargo hauling—we strive to bring quality products within reach of everyone. It’s not just a slogan: “Customer Satisfaction is Our #1 Priority.”
In 1996, Forest River founder Peter Liegl had a vision. He foresaw an RV company dedicated to helping people experience the joy of the outdoors by building better recreational vehicles. After purchasing certain assets of Cobra Industries, the Company started manufacturing pop-up tent campers, travel trailers, fifth wheels and park models. Continually growing, Forest River now operates multiple manufacturing facilities throughout the United States producing Class A, B and C motorhomes, travel trailers, fifth wheels, toy haulers, pop-up tent campers, truck campers, park model trailers, destination trailers, cargo trailers, commercial vehicles, buses, pontoons, and mobile restroom trailers.
Our large production capacity enables us to fill our customers' orders promptly without cutting corners or rushing through production procedures. This ensures that each Forest River product is conscientiously built and undergoes thorough, detailed inspection before it's shipped to the customer. This guarantees that every family who desires quality recreation will find a Forest River product that serves their needs, interests, budget, and lifestyle.