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2026 Forest River XLR Boost 366BX
NewStock #XL002944
Listing price
2026 XLR Boost 366BX
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
The Forest River XLR Boost 366BX pairs a spacious toy-hauler garage with practical features for extended camping, including a 40-gallon fuel tank and pumping station, generator prep, and a manual Euro garage bed. Inside, the residential-style kitchen includes a 12V refrigerator, three-burner cooktop, convection microwave, stainless steel sink, and a fireplace. A solid-step entry, tankless water heater, dual 15,000 BTU ducted A/C units, 200-watt solar panel, and 50-amp service round out the setup.
Length
43 ft 6 in
Dry weight
13,074 lbs
GVWR
18,374 lbs
Sleeps
7
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.
Parris RV
Murray, UT
Compared with 12 dealers in Utah
Forest River XLR Boost X toy hauler 366BX highlights:
Dual Entry Doors
30" x 36" Shower/Tub
Outside Refrigerator
3,000 Lb. Ramp Door
Generator Prep
Smart blend of cargo space and residential comfort, making it an excellent choice for travelers who want room for both adventure gear and relaxing living space. In the rear cargo area, you will find comfortable gaucho sofas along with a removable dinette table, creating a flexible space that can serve as a lounge, dining area, or sleeping space once your toys are unloaded. Moving into the main living area, a cozy sofa in the living room provides a comfortable place to relax after a day outdoors. The central U shaped kitchen is designed for convenience and functionality, giving you plenty of counter space and storage while keeping everything within reach for meal preparation. At the front of the trailer, the front private bedroom features a spacious king bed and surrounding storage, offering a quiet retreat where you can unwind and get a restful night's sleep.
Boost into action camping with one of these Forest River XLR Boost X fifth wheel and travel trailer toy haulers! The wide body design not only provides ample interior space, but also packs in all of the luxurious features to make your trips great. There is Alumifoil roof insulation with fiberglass batten insulation along with fiberglass flooring insulation, and laminated 1.5" walls with high density foam insulation construction. The Convenience Package includes a tankless water heater, back up camera prep, a 1.5 convection microwave, and more features to make each trip accommodating. You will love the decorative glass cabinet kitchen doors included in the Xplore Package, as well as a residential style kitchen faucet, a large bath vent fan, and m****anual Euro garage bed that will withstand your many adventures. The X Package includes a generator prep for off-grid capabilities, and there is an external fuel cell with a pump that will keep your toys ready to go!
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