Xtrusion Designs XTR3 BedRack Assembly Instructions (end-joint version, Ver. 1.1)
XTR3 BedRack
Assembly Instructions for
XTR3 BedRack
Optional second side braces shown.
CONTACT: [email protected]
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XTR3 BedRack
Thank you for purchasing one of our products. We strive for top quality
components and excellent customer service. If you have any issues during
installation, don’t hesitate to contact us via email at
[email protected] we will do everything we can to make
sure any issues with our product are resolved!
General Notes:
The assembly instructions depicted below are not truck model specific. However, there will be notes
if there are steps that differ from truck models.
Depending on the options that you chose on your rack, the components and hardware may vary.
Please refer to your pack list for all contents that are to be included in your kit. If you think you are
missing a component, please contact us for further assistance.
Safety First:
We have developed this product with great structural capabilities. However, it is your responsibility
to make sure that all nuts and bolts, straps and all adjustable components are always tight and
secured. Periodically check the condition of all components including straps, nuts, bolts, knobs,
screws and locks to make sure they are free of corrosion, damage, fatigue or wear as any loose
components might lead to structural failure and deem the warranty void. Please double check
before every trip that there are no loose attachments, hardware, accessories, etc. The system is
intended for Off-Road use. If you use on highway roads, it is under your responsibility to ensure its
operation is safe. Never exceed the vehicle manufacturer load capabilities, taking precedence over
the XTR3 capabilities and taking the weight of the system plus loaded accessories into consideration.
All long boards such as kayaks, canoes, surfboards need to be secured to a vehicle attachment
point, such as bumper, tow hooks, etc. Remove valuables from vehicle when left unattended for
long periods of time.
Always plan your route and check local and state laws governing projection of objects beyond the
perimeter of a vehicle. Always be aware of the width and height of your cargo while driving through
low clearance obstacles such as bridges, branches, trees, garages, etc.
Obey all posted speed limits and adapt driving to the weather, load and cargo conditions and
remember that cargo can affect the vehicle driving behavior.
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XTR3 BedRack
STEP 1
.
Check all the components against your pack list. Next, Identify the main components:
2X – 1530 Main Cross Brace (CSB)
4X – XTR Corner Bracket (CBR)
4X – 1530 Up Right Columns (UPR)
2X – 1530 Main Braces (MBC)
Tapped at both ends 5/16– 18 threads
2X or 4X – 1530 Main Braces (MBC)
Tapped at both ends 5/16 – 18 threads
8X or 12X – 1530 End Joint
4X – XTR Bed Rail Bracket (BRBKT)
(The look may vary depending on platform bed type)
4X – XTR Pinch Back plate (PBP) (Or T-Nut for OEM Slot Rail for Toyota, Jeep or Nissan)
*Please note that the components will vary depending on options selected at time of
ordering, such as extra Side Braces or Front to Back Braces, and model specific
components. Also refer to accessories ordered for installation instructions. Powder coated
components might have small handling marks that would not affect its durability, with the
exception of sheet metal wing brackets. Pay attention to these and touch up as they are
handled.
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XTR3 BedRack
Identify the standard hardware components:
Double T-Nut Slide in (DTSN)
Drop-In T-Nuts (DITN) (5/16-18)
Button Cap Screw (BCS) (5/16-18)
Socket Head Cap Screw (SHCS) (5/16-18)
(1/4-20) for some optional upgrades.
1530 End Joint Plates
Hex Head Bolt (HHB) (5/16-18)
(optional models)
*Please note that other optional versions might have additional hardware. Refer to those
accessories or options for further detail.
We provide a couple 1.8ml Vibra-Tite® 121 Tubes to coat certain Key pieces of hardware
pieces that are in contact with raw aluminum. It is important to only lightly coat 2-3
threads maximum.
Assembling recommendations. If assembling on concrete or a rough surface it is recommended to lay
down cardboard or even a moving blanket. A large tabletop surface works great and is much easier on
the knees. A 6-foot plastic folding table works great.
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XTR3 BedRack
STEP 2
.
Assemble The Columns and Side Braces with 1530 End Joint Plate included with kit.
Attach all 1530 End Joints to both ends of all side and top braces. Side and top braces are
labeled with (P# - MBC) Use the Button Cap Screw (BCS) to attach 1530 End Joint to
each end of all MBC’s.
Into one side of each Up Right Column (UPR) Insert Drop-In T-Nuts (DITN) (5/16-18). 2 per
each side brace being installed. For a cleaner look, insert each pair of Drop-In T-Nuts
(DITN) with bolt holes opposing each other. Otherwise, the long side of the T-Nut will be
more visible after installation. Apply thread locker to 3 or 4 threads of the 5/8" Socket
Head Cap Screws and attach Main Brace (MBC) to the Column Up Right (UPR).
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XTR3 BedRack
Completed Side Brace (SBC) Assembly with End Joint method. Side Braces will need to be adjusted
and placed at a height you desire. This can be adjusted after installation. Note: Other side braces or top
braces near the braces being adjusted may need to also be loosened.
STEP 3
.
Assemble the Bed Rail Brackets (BRBKT) to the Up Right Columns using 2 ea. Drop-in Tnuts
(DITN) on each side of the extrusion and insert the 5/16"-18 x Button Cap Screws.
(UPR)
(HTTN)
(BRBRK)
5/16-18 x 5/8" BCS
GAP ¼" to ½"
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XTR3 BedRack
Leave a gap of approx. ¼" to ½" from (UPR) to (BRBKT). This will settle once the rack has
been placed on the truck, to adjust for width of assembly.
Do not tighten the screws on these brackets, as they will settle once installed into the
truck bed. Once in the truck bed and with weight placed, tighten all bracket bolts to
Minimum of 20 Ft-Lbs of Torque. Do not Exceed 24 Ft-Lbs.
Columns (UPR) and Main Side Brace (MBC) Assembled with Corner Brackets (CBR) and
Bed Rail Brackets (BRBKT) Shown below. Repeat Steps for Opposite Side.
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XTR3 BedRack
3b RetraxONE XR Bracket Assembly Method (If ordered)
If you ordered your bedrack with the optional RetraxONE® XR Tonneau compatible
bracket, the assembly to the bedrail will be slightly different. Follow same steps as Step 4.
You will need 8 ea. (DTSN) for the assembly to the RetraxONE® XR rails. Insert 4ea (DTSN)
on each side of the RetraxONE® XR rails. Align with the location of the bracket and
assemble with the provided washer and 5/16-18 x ½" Hex Head Bolts. Do not over
tighten. Recommended to use Vibra-Tite® 121 up to 2 threads and use a paint marker to
detect if bolts are becoming loose.
5/16-18 X 1/2" HHB
(DTSN)
Use the indicated
holes.
2 ea DTSN’s per
Bracket.
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XTR3 BedRack
STEP 5
.
Assemble the XTR Corner Brackets (CBR) to the Columns (UPR) using 5/16-18 X 1" long
(SHCS) Bolts with Vibra-Tite® 121 Coating and hand tighten 20 Ft-Lbs to 24 Ft-Lbs.
Note: If you ordered a second side brace set you will want to install them at this stage.
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XTR3 BedRack
STEP 6 – MAIN SUPPORTS ASSEMBLY
.
Assemble 2 Main Braces (MBC) to one of the Main Cross Brace Bars (CSB). Slide in 2 TNuts on each end facing inwards into the rack on MSB’s and 2 on each side of the (TSB).
Also refer back to Step #2 as these are mounted to the Main Cross Bars in the same way
as the side Braces.
8X – 1530 End Joints
1530 Main Braces (MBC)
Tapped at both ends 5/16 – 18 threads
Tighten all bracket bolts to Minimum of 10 Ft-Lbs of Torque. Do not Exceed 15 Ft-Lbs. Please check
periodically for tight fit!
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XTR3 BedRack
STEP 7 – FINAL ASSEMBLY OF ALL COMPONENTS
.
Place the Main Support Bar Sub-Assembly on a surface such a table, saw horse or any
other raised surface. With the help of a friend, assemble both sides of the rack by
tightening the 5/16-18 X 1" SHCS from XTR3 Corner Bracket (CBR).
5/16-18 x 1" SHCS
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XTR3 BedRack
OPTIONAL – “OFF-ROAD REINFORCEMENT PLATES
.
If you chose the optional OFF-ROAD REINFORCEMENT PLATES from our website (PN:
“XTR3-OFFRD4-BLK” OR “XTR3-OFFRD4-SIL”), you can assemble at the end, by
inserting 2 Drop In T-Nuts (DITN) on the single side of the Main Cross Bars (CSB) and
Column (UPR). Slide in place and tighten with the supplied (5/16-18 X 5/8" BCS)
screws. Check orientation of text to your desired side.
Insert Drop In T-Nuts
(DITN) by rolling into Slot
of Extrusion
Congratulations, you are almost done. No one said it would be easy. Ok, maybe we did say
it was easy. but that is in comparison to the competitor’s racks!
We seriously hope you did not forget to insert your standard T-Nuts wherever slot you
wanted to mount stuff. If not, do not worry, we have more drop-in T-Nuts available on our
website.
If you have a tonneau cover, you will need to uninstall prior to bed rack installation. The
compatible tonneau cover rails would sit on top of our brackets. We advise using a 1/4"
foam seal (usually available in major hardware stores) to seal the tonneau rails due to the
gap created by our brackets.
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XTR3 BedRack
Now, let’s get back on track. With the help of a friend again (sorry, beers not included) take
the bed rack assembly and place it on top of the bed rails. There are some adjustment as
depicted below. The height of column on wing bracket will displace the bracket inwards or
outwards for rack assembly width. This is by design to have a tolerance built in. Usually, a
¼" gap between Column and Bracket is average.
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XTR3 BedRack
STEP 8 – ASSEMBLY OF BEDRACK INTO TRUCK’S BED
Secure the (BRBRK) brackets onto the truck’s Bed Rails. Insert the Pinch Back Plate (PBP)
behind the bracket and secure it with the 5/16-18 X 1-1/4" SHCP. Use Washers and/or
locknuts if applicable for your model. Hand tighten, observing PBP deformation. Max
torque should not exceed 24 ft-lb.
Alternatively, if you have Toyota, Nissan or Jeep OEM Bed Rail T-Slot and if you selected
this option during ordering, you can assemble with the T-Nuts supplied in lieu of (PBP)
brackets. * UPDATE* - New version of T-Slot Trail Rail started shipping with bedracks after
6/2021. You might have either a PemSert Stainless Steel backplate or T-Slot Nut as
depicted below.
If you use RetraxONE® XR Brackets, these are assembled into the tonneau rails as
explained in step 4b.
PROPRIETARY NEW
LEGACY VERSION - T-NUT
BACKPLATE FOR TRAIL RAIL
NOTICE ORIENTATION
OF PEMSERTS. INSERT
SCREWS THROUGH
THE FLAT SIDE
Before you hit the road, check every bolt, screw, and attachment. Make sure it’s properly
tightened. Do not forget to periodically check for loose conditions.
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XTR3 BedRack
STEP 8a – ASSEMBLY OF BEDRACK FOR CHEVY TRUCKS
Chevrolet Silverado and GMC Sierra models are assembled differently, as they use stake
pocket mounts. Some exceptions apply, such as Softopper or shorter bedracks.
For more information about this installation or if you have questions, contact us at
[email protected]
To assemble the rear stake pockets, use the supplied “L” bracket. Affix to the inner bed
side with the supplied 5/16-18 bolt using the fender washer, and a standard washer. Do
not tighten yet. Then locate the rear “wing style” bracket. Bolt against the mating surface
of the “L” bracket. Do not tighten completely until the bedrack structure is in place.
SILVERADO / SIERRA REAR BRACKET
SUPPLIED “L” BRACKET
5/16-18 SOCKET HEAD
SCREW & STANDARD
WASHER. USE 121
THREAD LOCKER.
5/16-18 SOCKET HEAD
SCREW WITH FENDER
& STANDARD WASHER.
USE 121
The brackets near the cabin will have a double nut backplate. On some models you will
have to identify and open up the stake pocket area from the bedrail trim. Once you do,
insert the supplied long bolt into one of the bedrail bracket holes, and start the threads on
the back plate. Slide in the backplate into the stake pocket so that it grips the sheet metal
portion of the stake pocket as you pull the bolt up. Use the supplied shorter Hex bolts to
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XTR3 BedRack
secure the other hole. Remove the long bolt and secure with short bolt. Do not tighten
until bedrack structure is in place. Use Vibra-Tite®121 Thread locker.
SILVERADO / SIERRA FRONT BRACKET
SUPPLIED STAKE
POCKET BACK PLATE
TEMPORARY 5/16-18
LONG BOLT TO SLIDE IN
BACKPLATE. REPLACE
WITH STANDARD LENGTH
AFTER PLACEMENT.
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XTR3 BedRack
*Rack shown with OPTIONAL 16" XTR Modular Molle Plates. Available in 2 sizes. 12" height X 9" wide (for
racks between 13" in height and above) and 16" height x 11" wide (for racks 16" in height and above).
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XTR3 BedRack
ACCESSORIES
Please refer to the Accessories Instructions provided with your purchase. We have several
under continuous development! If you would like to see something in particular, let us
know!
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XTR3 BedRack
Note: The rack was designed with the latest OEM CAD data. However, every model has tolerances
and variances. Additionally, every kit is cut to size and there are thousands of variations for each
model. If your rack does not fit into the rails, or if it has a big gap, please contact us to get more
details and review options. We will resolve any issue with fitment as soon as possible. Contact us
via email to [email protected].
Our racks use a standard 15 series style extrusion, so it is compatible with most
manufacturers accessories and components such as Bosch®, Faztek®, 8020 Inc ®, etc.
You can keep adding and creating structures, at your own risk of damage and/or warranty
loss.
WARRANTY
.
Xtrusion Designs warrants product to be free from defects in material and workmanship,
for a period of 1 year, provided there has been normal use and proper maintenance. All
remedies under this warranty are limited to the repair or replacement of any item found by
the factory to be defective within the time period specified. If you have a warranty claim,
first contact us via email to evaluate all options. Warranty applies to original buyer of the
rack. You must retain proof of purchase and submit a copy with any items returned for
warranty work. Upon completion of warranty work, if any, we will return the repaired or
replaced item or items to you freight prepaid. Damage to our products caused by
accidents, Fire, vandalism, negligence, mis-installation, misuse, modifications, Acts of God,
or by defective parts not manufactured by us, is not covered under this warranty.
Damage or scratches to powder coat paint or anodize finishes that is part of daily use is
not covered under this warranty. High speed off road driving even with a light load can
cause damage to the rack, accessories and vehicle body. Damage caused by high speed off
road driving and abuse is not covered under warranty.
Any implied warranties of merchantability and/or fitness for a particular purposed created
hereby are limited in duration to the same duration and scope as the express written
warranty. Xtrusion Designs LLC shall not be liable for any incidental or consequential
damage. Some states do not allow limitations on how long an implied warranty lasts, or
the exclusion or limitation of incidental or consequential damages, so the above limitations
or exclusions may not apply to you. This warranty gives you specific legal rights, and you
may also have other rights that vary from state to state.
Please contact us at [email protected] or call us at 833-987-6837 for any
warranty related issues.
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