2025 FOREST RIVER BOOST 363BX

2025 XLR Boost 363BX – Go Bigger, Go Further, Bring It All

The 2025 XLR Boost 363BX isn’t just a fifth wheel toy hauler — it’s your all-terrain command center. Built for the bold, this rig is engineered to haul your biggest toys, fuel your off-grid lifestyle, and deliver residential comfort no matter where you land.

• Exterior Length: 39' 9"

• Exterior Height: 13' 4"

• Exterior Width: 102"

• Hitch Weight: 2,830 lbs

• Unloaded Vehicle Weight (UVW): 12,009 lbs

• Cargo Carrying Capacity (CCC): 4,821 lbs

With over 4,800 lbs of cargo capacity and a full rear garage, you can bring your ATVs, bikes, and gear — and still have room to live in comfort.

• Fresh Water Tank: 150 gallons

• Gray Water Tank: 108 gallons

• Black Water Tank: 32 gallons

Oversized tanks keep you off the grid longer, with less worry about refilling or dumping.

• Manual Euro garage bed

• Solid step main entry

• Glass friction hinge entry door

• Magnetic screen wall

• LED interior lighting and exterior LED scare light

• Power awning

• 50AMP service (fifth wheel only)

• Central docking station

• Vent fan in main bathroom

• TV prep in living room and bedroom

• JBL Aura sound system

• Stainless steel kitchen and bath sinks

• Decorative kitchen backsplash and glass cabinet doors

• Residential kitchen faucet

• Porcelain toilet

• USB charging stations

• LP quick connect

• Power front legs

• Black tank flush

• Spare tire

• Rear beaver tail frame

• Ladder prep

• Patio railing kit

• Tankless water heater

• 10 cu. ft. 12V French door refrigerator (black)

• 3-burner cooktop

• 1.5 cu. ft. convection microwave

• 30" 5,000 BTU electric fireplace

• Backup camera prep

• Alumifoil roof insulation with fiberglass batten

• Laminated 1.5" aluminum-framed walls with high-density foam insulation

• Enclosed underbelly with alumifoil insulation

• 35,000 BTU ducted furnace

• 15,000 BTU ducted A/C

• Built-in vents (no in-floor ducting)

• 2” heat duct into the underbelly by the holding tanks

• Ultracold weather 12V heated holding tank pads

• 30-gallon fuel tank with pumping station

• 200-watt solar package

• LED smart TV

• Slideout floorplan

• Fiberglass front cap (fifth wheels only)

• 3-season canvas wall at ramp door

• Optional 6.0 NPS generator (California compliant)

Whether you're riding hard in the dunes, staging deep in the backcountry, or camping in luxury, the 2025 XLR Boost 363BX brings the muscle and the modern design to match. It’s a toy hauler that tows heavy, lives large, and holds nothing back.

If you're serious about your toys, your time, and your freedom—this is the rig that delivers it all.