2026 Forest River RV Sierra 3900HBLR, Forest River Sierra 3900HBLR Fifth Wheel for Sale in Middlebury, IN
Bring residential-style comfort to longer RV adventures in the Forest River Sierra 3900HBLR fifth wheel at Royal RV Center in Middlebury, Indiana. This triple-slide floorplan combines a spacious rear living room, bath and a half, private king bedroom, front bathroom with walk-in closet, kitchen island, butler pantry, and dedicated workspace.
Sierra 3900HBLR Highlights
Triple slide-outs
Rear living room
Chaise lounge and sofa
Entertainment center with fireplace
Hidden pantry
Desk with chair
Waterfall-edge kitchen island
Butler pantry
12V refrigerator
Bath and a half
Washer/dryer prep
Private king bedroom
Walk-in bathroom closet
Dual bathroom sinks
One-piece fiberglass shower
12' and 18' awnings
Electric leveling system
Rear Living & Dedicated Workspace
The spacious rear living area features a chaise lounge and sofa for relaxing or entertaining. An entertainment center with fireplace creates an inviting focal point, while a hidden pantry adds valuable storage.
A desk with chair provides a dedicated space for remote work, trip planning, or everyday tasks without taking over the dining or living areas.
Residential Kitchen & Butler Pantry
A waterfall-edge kitchen island provides generous space for preparing and serving meals. Overhead cabinets add storage, while a microwave and 12V refrigerator handle everyday kitchen needs.
The separate butler pantry provides additional room for groceries, small appliances, and kitchen essentials.
Bath and a Half & King Bedroom
The half bathroom provides convenient facilities for guests and includes stackable washer/dryer prep.
The private bedroom features a king bed, small dresser, tall dresser, and TV hookup for added storage and entertainment flexibility.
Front Bathroom With Walk-In Closet
The spacious front bathroom includes a one-piece fiberglass shower, dual sinks, medicine cabinet, linen closet, and shelving. A walk-in bathroom closet provides additional space for clothing and personal belongings during longer stays.
Outdoor & Travel Features
Dual 12' and 18' awnings create generous covered outdoor living space, while the electric leveling system helps simplify campsite setup.
Additional features include Underbelly Armor, a painted two-tone aerodynamic fiberglass front cap, Goodyear radial tires, 7,000-lb. axl