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+58- Sale Price: $64,995
- MSRP: $97,053
- Save: $32,058
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44ft long
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12,439 lbs
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Sleeps 8
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5 slides
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Front LivingKitchen Island
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3990FL Floorplan
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 | 40000 btu |
| Available Beds | King | Refrigerator Type | 12V |
| Refrigerator Size | 17 cu ft | Cooktop Burners | 3 |
| Number of Awnings | 1 | 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 | 20' Electric w/LED Light Strip | Axle Count | 2 |
| Washer/Dryer Available | Yes | Number of LP Tanks | 2 |
| Shower Type | Shower w/Seat | VIN | 4X4FSES27TJ054727 |
Description
Forest River Sierra 3990FL Fifth Wheel for Sale in Middlebury, IN
If you're searching for a large family fifth wheel in Indiana with multiple sleeping areas and residential comfort, the Forest River Sierra 3990FL is built to impress. Available now at Royal RV Center in Middlebury, IN, this spacious model is perfect for big families or hosting guests.
Sleeps Eight or More with Loft Space
This unique layout offers incredible sleeping capacity with:
- Full and half lofts featuring bunk mats and storage
- Rear master bedroom with king bed slide
- Two tri-fold hide-a-bed sofas in the living area
Perfect for kids, guests, or extended family trips.
Front Living Room with Fireplace
Enjoy a dedicated front living area with:
- Theater seating
- Two sofa sleepers
- 50" TV and fireplace
A great space to relax, entertain, or unwind after a long day.
Spacious Kitchen with Island
The central kitchen features:
- Kitchen island with large sink
- Free-standing dinette
- 12V refrigerator and stove
- Ample counter space and storage
Designed for easy meal prep and family dining.
Private Master Suite & Large Bath
The rear bedroom includes a king bed slide, while the bathroom offers a walk-in shower with seat for added comfort.
Built for Comfort & Durability
- Welded aluminum frame with vacuum-bonded construction
- Enclosed underbelly with armor protection
- Electric leveling system for quick setup
- Goodyear tires with 7,000 lb. axles
Premium Interior Features
- Residential lighting and cabinetry
- Rustic wood plank flooring
- Memory foam mattress
- Wi-Fi extender system
Available at Royal RV Center
Visit Royal RV Center in Middlebury, Indiana, proudly serving Indiana, Michigan, Ohio, and beyond, to explore the Forest River Sierra 3990FL fifth wheel and enjoy spacious, comfortable camping for the whole family.
Features
Standard Features (2026)
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
- Automotive-style fender skirts
- Hitch light
- Porch light with interior switch
- 30 lb. double LP tanks with auto change over
- Rain gutters with extra long drip spouts (Prevents black streaking)
- Insulated heavy duty slam lock baggage doors
- Exterior foldable grab handle
- Unobstructed pass through storage area
- Upgraded aluminum rims
- Oversized friction hinge entry door with extended latch (Main Entry)
- Exterior LP Quick Connect
Interior Features
- Solid Surface Kitchen Counter tops
- Fiberglass one-piece shower
- Washer and Dryer Prep
- 7’ slide-out height (Main Slides)
- Stainless steel kitchen package
- Beachside Sundance Congoleum linoleum
- Hidden hinged, soft close drawers and cabinets
- Full extension ball bearing drawer guides
- Stainless steel under mounted kitchen sink
- Trash receptacle in kitchen
- Decorative backsplash
- Two color coordinated interiors
- LED lighting throughout
- Recessed residential lighting
- Accent lighting over dinette
- Extra large, panoramic picture windows throughout
- Vented side windows in slide-outs
- TV antenna with booster
- Solid wood drawer fronts with birch sides
- Solid wood, square inset cabinet doors, painted or wood grain
- Bedroom slide-out fascia
- Memory foam mattress
- Teddy Bear® bunk mats
- 50" flatscreen smart TV (65” 3900HBLR)
- JBL Aura Cube FM/Bluetooth media center
- Designer window treatment
- Ceiling fan
- Tri-fold hide-a-bed sofa
- Quilted bedspread
- Prepped for inverter
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
- 30" OTR stainless steel microwave
- Chef collection 3 burner / 24" oven with drawers
- Interior monitor panel for holding tanks
- Satellite and cable hookup with RG-6 cable for high quality picture
- Porcelain foot flush toilet(s)
- 65 Amp converter
- Power fan in Kitchen and Bathroom(s)
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
- Laminated slide-out walls
For Your Safety
- Smoke alarm
- Fire extinguisher
- Breakaway switch (Battery hook-up required)
- Dead-bolt lock on entry door
- LP/CO2 gas detector
- Fire escape windows
Popular Options
- Two chairs in place of ottoman bench
- 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
Please see us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
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JohnWill Recommend
I will definitely be recommending Royal RV & Auto to my family and friends!
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