New 2026 Forest River RV Sierra 3990FL Fifth Wheel
FREIGHT, PREP, DETAIL AND WALK-THROUGH INCLUDED! ALSO, NATIONAL SHIPPING AVAILABLE!
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2026 3990FL Features and Options
New 2026 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
What Our Customers Are Saying
Randy was awesome to deal with! Everything went smoothly and the prices were descent! Randy was good about keeping in touch with repairs and helpful! Loving our camper! - RaeLynn
Price:
$96,386
You Save: $23,406
Sale Price: $72,980
You Save: $23,406
Sale Price: $72,980
Recreation USA
Location: South Myrtle Beach, SC
Stock# 15669
Location: South Myrtle Beach, SC
Stock# 15669
Stock# 15669
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2026 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 | 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 |
| Electrical Service | 50 amp |
| VIN | 4X4FSES25TJ054936 |
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