Description

This large four slide 5th wheel is setup with a conventional 5th wheel king pin so no gooseneck connection available. Ready for most 3/4 ton truck and heavier.

The luxury Forest River Sierra 3990FL is an expansive fifth wheel designed for larger groups or families who want space, comfort, and smart layout features for longer stays and big adventures.

Step inside to a front living area with opposing slides that open up the space for relaxation, TV viewing, and socializing. Theater seating faces the entertainment center so everyone can unwind after a day on the trail or at the campground with two opposing queen sofas sleepers.

The center living and kitchen area features a free‑standing dinette, a center island with deep sink for meal prep, and plenty of countertop and storage space. The kitchen includes a large 12 V refrigerator and three‑burner cooktop to make meals easy for larger groups.

At the very rear, the private bedroom offers a king bed with slide‑out for added floor space, dual wardrobes, and privacy. Just outside the bedroom is a full bath with walk‑in shower. Above the master and bath, a loft and half loft area provide extra sleeping space with bunk mats, perfect for kids, guests and storage.

Dry Weight: 12,439 lbs
GVWR: 15,375 lbs
Hitch Weight: 2,825 lbs
Payload Capacity: 2,936 lbs
Length: 43 ft 6 in
Width: 8 ft
Height: 13 ft 4 in
Interior Height: 7 ft

Total Fresh Water Tank Capacity: 50 gal
Total Gray Water Tank Capacity: 80 gal
Total Black Water Tank Capacity: 50 gal

Sleeps: Up to 10

DELIVERY/SETUP AVAILABLE!