New 2026 Forest River RV Sierra 3990FL Fifth Wheel
Huge Loft with Stairs! Kitchen Island!
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2026 3990FL Features and Options
What Our Customers Are Saying
RV Leaders got my attention with their website showing the best price anywhere. They followed up with impressively responsive correspondence. Everyone there was very knowledgeable, enthusiastic, and personable. I highly recommend RV Leaders & Camping Outlet. - Jim
Price:
$97,053
You Save: $28,058
Sale Price: $68,995
You Save: $28,058
Sale Price: $68,995
Royal RV Center
Location: Middlebury, IN
Stock# R054727
Location: Middlebury, IN
Stock# R054727
Stock# R054727
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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 |
| VIN | 4X4FSES27TJ054727 |
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