2025 Forest River Sierra 3990FL, 2025 Forest River Sierra 3990FLSierra Fifth Wheels Wherever you go, the Sierra line up will ensure you make the most out of every adventure. Unique floorplan designs like bunkhouses, front living spaces, or mid-bunk/offices will accommodate any traveler or group. Automatic level up, 16.8 French door refrigerator, and underbelly armor combine to create a perfect balance of size, space, features and luxury.
Everything you love about the luxurious front living floorplans, with a hidden loft and a half. This floorplan has room for extra sleepers, or provides ample room for storage. Complete with a pop up 50” television, king sized bed, Goodyear tires, pull out opposing tri-fold sofas and walk in shower
Features may include: Exterior
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
GoPower 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
TST Tire Pressure Monitoring System
Enclosed and heated dump valves
16" Spare tire kit
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
Exterior LP Quick Connect with Grill/Griddle Cooktop
Interior
Solid Surface Kitchen Counter tops
Fiberglass one-piece shower with folding teak seat