Farmhouse sink, loft
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2026 Forest River Sandpiper 3990FL
NewStock #38497
Listing price
2026 Sandpiper 3990FL
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
Length
43 ft 6 in
Dry weight
12,439 lbs
Sleeps
9
Slideouts
5
The 3990FL is built around a front living room that actually feels like one. Panoramic windows, a fireplace, and a 50" smart TV anchor the space, while the kitchen earns its keep with a farmhouse sink, solid surface countertops, a gas cooktop, and a proper island. A full loft with dedicated stairs adds real sleeping space without the awkwardness of a ladder, and the rear King bed comes with a walk-in shower and enough slide-out real estate to make the bedroom feel residential. Practical touches like an automatic leveling system, 200W roof solar, washer/dryer prep, and dual ducted air conditioners show this rig is set up for extended stays. Not just weekends.
Many factors play into a unit's listing price and what you should pay. This guide provides a ballpark estimate, but it does not factor in your exact scenario or how different listings are equipped.
There may be room for price negotiation.
Unlock pricing insights with RV Envy Pro →$63,995 – $78,999
This unit has been on the lot longer than 120 days.
When was this unit listed?This unit ranks near the lowest priced for new units in this model year.
From the dealer's listing
Are you ready to elevate your family adventures with unmatched luxury and comfort? At Motor Sportsland, we’re thrilled to introduce the stunning 2026 Forest River Sandpiper 3990FL Fifth Wheel—a masterpiece designed for RV enthusiasts seeking the ultimate travel experience. This isn’t just an RV; it’s a home on wheels crafted for unforgettable memories, blending cutting-edge innovation with family-friendly features. Whether you’re hitting the open road for a weekend getaway or an extended cross-country journey, the 2026 Sandpiper 3990FL promises to be your perfect companion in 2026 and beyond. Let’s dive into what makes this Forest River gem stand out from the crowd!
Key features of the 2026 Forest River Sandpiper 3990FL Fifth Wheel include:
Don’t miss your chance to own the
2026 Forest River Sandpiper 3990FL Fifth
Motor Sportsland RV Centers
This unit is located at our Millcreek, UT location at
4001 S. State St. Millcreek, UT 84107
Call or Text our Office at: 801-292-2921
www.motorsportsland.com
Call us today for our best pricing or to make an offer on your new RV!
When you come into Motor Sportsland we would love to show you around this or any other trailer you may want to see.
Motor Sportsland has been in business for over 55 years, with 2 locations to take care of all of your needs. You'll never have a charge for Prep, Detail, Orientation, Destination, or freight.
Motor Sportsland
Salt Lake City, UT
Sells faster than 50% of Utah RV dealers
Compared with 13 dealers in Utah
Other listings for this floor plan, ranked by condition, model year, distance, price, and listing quality.
The listing price on this unit has changed 1 time.
Motor Sportsland RV Centers Proudly carry:
~Addax- Basecamp~
~A-Liner- A-Liner~
~Ember- E-series, Overland, Touring~
~Encore- Rog~
~Forest River- Ahara, Alta, Blackthorn, Cedar Creek, Cedar Creek Cottage, R-pod, Salem, Sandpiper, Shasta Phoenix, Stealth, Surveyor, Takoda, Un-mapped, Viking~
~Keystone- Astoria, Hampton, Hideout, Raptor, Redwood, Sprout, Walkabout~
~Kz Rv- Connect, Durango, Durango Gold, Ridgeway, Sportsmen, Sportster~
~Winnebago- Access, Micro Minnie, Thrive~
