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New 2026 Forest River RV XLR Boost X 363BX

Toy Hauler Fifth Wheel

Stock #3621

Greeley, CO

1 of 30

+30

FINANCE PRICE: $84,995
MSRP: $108,916
TGORV Discount: $23,921

Payments From: $656 /mo.

Sleeps 7
2 Slides
Two Entry/Exit Doors

Front Bedroom

40ft Long
12,064 lbs

See All Specs

Specifications

Sleeps	7	Slides	2
Length	40 ft 6 in	Ext Width	8 ft 6 in
Ext Height	13 ft 5 in	Hitch Weight	2795 lbs
Dry Weight	12064 lbs	Cargo Capacity	4731 lbs
Fresh Water Capacity	150 gals	Grey Water Capacity	114 gals
Black Water Capacity	40 gals	Furnace BTU	35000 btu
Fuel Capacity	30 gals	Number Of Bunks	1
Available Beds	Queen	Refrigerator Type	12V
Cooktop Burners	3	Shower Size	36" x 30"
Number of Awnings	1	Garage Size	13 ft 6 in
Water Heater Type	Tankless	AC BTU	15000 btu
Awning Info	21' Power	Axle Count	2
Shower Type	Tub/Shower Combo	Electrical Service	50 amp
VIN	4X4FXLM29TF002795

Description

Forest River XLR Boost X toy hauler 363BX highlights:

Dual Entry Doors
30" x 36" Shower/Tub
30 Gallon Fuel Cell
3,000 Lb. Ramp Door
66" x 74" Queen Bed

You'll love every minute spent in this double slide out, double entry fifth wheel! Your guests will have the 13' 6" separate garage all to themselves once the toys are unloaded, and here you'll find dual sofa sleepers with a Euro queen bed above. There is also a removable dinette table where you can enjoy a cold drink at when you have the 1,500 lb. capacity patio deck set up! Head to the combined kitchen and living area to relax on the sofa slide out while the cook prepares dinner. There is also a hidden pantry here you are sure to appreciate! The dual entry bath will create a front master bedroom, complete with a queen bed, dual nightstands and wardrobes, plus a wardrobe slide out for added storage and space!

Boost into action camping with one of these Forest River XLR Boost X fifth wheel toy haulers or 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 manual 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!

Features

Standard Features (2026)

Xplore Package

Manual Euro Garage Bed
Solid Step Main Entry
Glass Friction Hinge Entry Door
Magnetic Screen Wall
EXT. LED Strip Scare Light
LED Interior Lights
PWR Awning
50AMP Service (FW Only)
Docking Station
Vent Fan Main Bathroom
1-15k Ducted A/C (TT)
2-15K Ducted AC (FW only)
Black Tank Flush
PWR Tongue Jack (TT)
PWR Front Legs (FW)
TV Prep LR/Bedroom
200-Watt Solar Pkg
Stainless Steel Kitchen and Bath Sinks
Residential Kitchen Faucet
Decorative Glass Cabinet Doors Kitchen
Porcelain Toilet
JBL Aura Sound System
USB Charging Station
TV Antenna
Black Steel Wheels
Spare Tire
Rear Beaver Tail Frame
Ladder Prep
Patio Railing Kit

Convenience PKG - Mandatory

60k BTU Tankless on Demand Water Heater
10 CF - 12V French Door Black Refrigerator
3 Burner Cooktop
1.5 Convection Microwave
30" - 5K BTU Fireplace
Back Up Camera prep

Climate Comfort PKG – Mandatory

Alumifoil Roof Insulation w/ Fiberglass Batten Insulation
Laminated 1.5" Walls with High Density Foam Insulation/ Aluminum Studs
Fiberglass Flooring Insulation
Alumifoil Insulated Enclosed Underbelly
35k BTU Ducted Furnace
Built in Vents (Not In floor
2" Duct into Underbelly by holding Tank

“X” Package

30-Gal Fuel Cell w/ Pumping Station
Generator Prep
LED Smart TV
Fiberglass Front Cap on FW
Canvas Wall at Ramp Door

Available Options

50 Amp Service-2nd A/C Prep (STD FW)
2nd 15K A/C (Option TT, STD FW)
3rd 15K A/C (FW Option Only)
1800-Watt Inverter
4.5 NPS Generator (TT-30AMP Only)
6.0 NPS Generator (Requires 50-AMP on TT)
Ultracold Weather Heated Holding Tank 12V Pads
Electric Stabilizer Jacks (TT Option/ FW STD)
Euro Garage Chair
2nd Euro Garage Chair
3 Seasons Door at Ramp Door (N/A 2114BX)

Please see us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.

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The Great Outdoors RV Co is not responsible for any misprints, typos, or errors found in our website pages. Any price listed includes Finance Discount, excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @970-815-3894 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Estimated Payments are based on 20% Down and 9.99% interest. Other down payment options are available with approved credit.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

New 2026 Forest River RV XLR Boost X 363BX

363BX Floorplan

Specifications

Description

Features