2026 Forest River Sandpiper 3800RK

NewFifth wheel|Stock #3622|Located at The Great Outdoors RV Company in Greeley, CO
$75,995$100,590
Save $24,595

Forest River Sandpiper 3800RK Fifth Wheel

The Forest River Sandpiper 3800RK is a luxury fifth wheel designed for extended stays and residential-style living. With a rear kitchen layout, spacious living area, and a dedicated utility room, this model delivers both comfort and functionality for life on the road.

Key Highlights

  • Four Slides

  • Theater Seating

  • Exterior Flat Top Cooktop

  • Walk-In Bathroom Closet

  • 12V Refrigerator

The rear kitchen layout provides expansive counter space for meal prep along with a three-burner range and 24" oven. A large counter with barstools creates a perfect spot for casual dining, while the 12V refrigerator offers ample cold storage for extended trips. Outside, the exterior flat top cooktop gives you even more flexibility for cooking in the open air.

In the main living area, opposing slides create a wide-open space to relax. Comfortable theater seating and a hide-a-bed sofa are positioned across from the entertainment center with a 50" TV, making it easy to unwind or host overnight guests. A dedicated desk with chair adds a functional workspace for remote work or planning your next destination.

Toward the front, the master suite features a king bed slide with USB ports, along with a dresser for storage. The front bathroom includes dual sinks, a one-piece fiberglass shower, and a spacious walk-in bathroom closet with shelves and hanging rods. A unique middle utility room with washer and dryer prep, counter space, and a hanging rod offers additional storage or a fully functional laundry area.

Sandpiper Construction HighlightsSandpiper fifth wheels are built to provide the perfect balance of size, space, and luxury, featuring:

  • Cambered powder coated frame with rust prohibitor

  • Fully enclosed underbelly for protection against the elements

  • Power front jacks with spring-loaded pins

  • Large tinted windows with 80/20 UV prohibitors

  • 60k BTU on-demand water heater

  • Porcelain foot flush toilet(s)

  • Tire pressure monitor system

  • Electric leveling system

  • Stainless steel kitchen package

  • Solid surface kitchen countertops

  • Beachside Sundance Congoleum linoleum

  • Recessed residential lighting

Specifications

Length

44 ft 1 in

Dry weight

12,849 lbs

Sleeps

4 people

Slideouts

4

Unit features & options

  • Automatic Electric Level-Up System
  • 2" Towing and Accessory Hitch (Where Available)
  • 7,000lb axles with Anti-lock Braking System
  • Goodyear Radial Tires w/ anti-lock brakes
  • Lippert auto adjust brakes
  • Rich Solar 200W roof mounted solar panel with controller and battery
  • Quad MORryde step above with strut (Where Available)
  • Color matched high gloss gel coated colored exterior fiberglass
  • Painted two tone aerodynamic fiberglass front cap with improved turning radius
  • Underbelly Armor
  • Tire Pressure Monitoring System
  • Spare tire
  • Large, tinted windows with 80/20 UV prohibitor
  • Electric awning with LED light strip
  • Prepped for Lippert On-The-Go Ladder
  • Power front jacks with spring loaded pins
  • Automotive-style fender skirts
  • Hitch light
  • Porch light with interior switch
  • 30 lb. double LP tanks with auto change over
  • Rain gutters with extra long drip spouts (Prevents black streaking)
  • Insulated heavy duty slam lock baggage doors
  • Exterior foldable grab handle
  • Unobstructed pass through storage area

Full specifications

AC BTU30000 btu
Available BedsKing
Awning Info13' & 16' Electric with LED Light Strip
Axle Count2
Axle Weight7000 lbs
Black Water Capacity50 gals
Cargo Capacity2651 lbs
Cooktop Burners3
Dry Weight12849 lbs
Electrical Service65 amp
Ext Height13 ft 4 in
Ext Width8 ft
Fresh Water Capacity50 gals
Furnace BTU40000 btu
GVWR15500 lbs
Grey Water Capacity100 gals
Hitch Weight2405 lbs
Int Height7 ft
LP Tank Capacity30 lbs
Length44 ft 1 in
Number of Awnings2 ft
Number of LP Tanks2
Refrigerator Size16 cu ft
Refrigerator Type12V
Shower TypeStandard
Sleeps4
Slides4
TV InfoLR 50" Flat Screen Smart TV
Washer/Dryer AvailableYes
Water Heater TypeOn Demand Tankless

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2026 Sandpiper 3800RK

2026 Sandpiper 3800RK
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