Used 2025 Forest River RV Sandpiper 3990FL Fifth Wheel
Coming Soon: Used Forest River Sandpiper 3990FL – But Why Wait?
2025 3990FL Features and Options
A Forest River Sandpiper 3990FL is on its way, but you don’t have to wait! The brand-new Sierra 3990FL, built on the same production line, is available now and ready for delivery!
Sierra 3990FL Features:
- Spacious Front Living Area with dual hide-a-bed sofas and theater seating.
- Upper Loft with two bunk mats and ample wardrobe storage—perfect for kids or extra guests.
- Private Rear Bedroom with a king bed slide-out, wardrobe, and washer/dryer prep.
- Full-Size Kitchen with a large island, pantry, hutch, and 12V refrigerator for extended trips.
- 50" Flat Screen TV and Entertainment Center for movie nights in comfort.
- Full Bath with Shower and Seat for home-like convenience.
- Fully Enclosed, Insulated Underbelly for year-round travel.
- Tons of Outside Storage for all your gear.
Why wait? Get the Sierra 3990FL today!
See more at www.recreationusa.com.
What Our Customers Are Saying
Randy and Tim helped us out. We needed some new batteries on our trip from Indianapolis to Bend, OR. Not only did they get us the batteries, when we needed a new connection made they drove us down to the local Napa and got us back. Also stayed open an hour past closing to make sure we were good. - Dan
Price:
$99,840
You Save: $30,848
Sale Price: $68,992
You Save: $30,848
Sale Price: $68,992
Recreation USA
Location: South Myrtle Beach, SC
Stock# D15375
Location: South Myrtle Beach, SC
Stock# D15375
Stock# D15375
2025 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 | 35000 btu |
| Available Beds | King |
| Refrigerator Type | 12V Stainless |
| 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 with LED Light Strip |
| Axle Count | 2 |
| Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 |
| Shower Type | Shower w/Seat |
For more information
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