Heavy Duty
L-Shape Mounting Brackets

Fixed Mounting Brackets
Adjustable Mounting Brackets





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Heavy Duty L-Shape Fixed Mounting Brackets
for Underbody Toolboxes

Aluminum or Steel with a Powder Coated Baked-On Finish

 

Category D

Mounting toolboxes properly is always very important. If done correctly, it will add longer life to your toolbox. Always try to fasten mounting brackets as parallel as possible, mount boxes as high from the ground as possible, and if the brackets are bolted on, check bolt torque periodically. It is highly recommended that all bolts and nuts used to fasten brackets and tool boxes are of high quality Grade 8.
It is recommended that toolboxes be mounted on the bottom with L-Shape brackets whenever possible. (See illustrations below.)

Finding the right mounting brackets for your application with a minimum of modification can be a challenge. Our Heavy Duty L-Shape mounting brackets are available in both steel and aluminum, and come standard with a reinforcement bracing bar that runs diagonally from top to bottom (see photos) to carry extreme heavy loads. Steel brackets are made from 3/16" thick high strength steel, and are powder coated to stand up against all seasonal elements and daily exposure to harsh road grime. This helps prevent rust and fatigue. Aluminum brackets are made of .190” marine grade aluminum to keep that extra weight to a minimum, but still carry the same heavy duty design of the steel version. Also available for both steel and aluminum mounting brackets is an optional cross beam that fits between the two L brackets. See detail drawings below.

Approximate Installation Time: 2 Hours (Installation times may vary with installation experience.)

Material Height x Depth Model # Weight per Set
Aluminum - .190g 28 x 25 L-MB2824A 16 lb.
Steel - 3/16g 28 x 25 L-MB2824S 42 lb.

Warning!

Before mounting this product, use extra precautions on placement. This product can reduce driver's ability to clearly see roadways, vehicular and pedestrian traffic, and other objects through the rear and side windows and mirrors of the vehicle. Make all adjustments necessary to ensure maximum visibilities. State and local laws may prohibit obstruction of windows in a moving vehicle. Before drilling, make sure all electrical wiring and components, fuel tank and associated components are totally out of the drilling pattern.

Additional Warnings and Precautions!

  1. Never drill top or bottom flange of truck frame or trailer I-Beam.
  2. Never weld mounting brackets to truck C-Frame or I-Beam.
  3. Never mount through the top or back of toolboxes.
  4. Optional cross beam is required on boxes with widths of 48" or wider.

 


Documentation (Not Yet Available)

  • Installation Instructions

Brackets kit is shown below with the optional cross beam. Contact us for specifications and availability.


We make any size you need - just call or e-mail us with your dimensions for a prompt quote.
(Click here for policy)

 


American Truckboxes, LLC®

41659 256th Street
Mitchell, South Dakota 57301
Phone: 605-996-0376
Toll-free: 1-888-996-0376
Fax: 605-996-8894
Office Hours (CST):
Monday through Friday
8:00 to 12:00 noon
1:00 to 5:00 p.m.
Sales Department:
sales@truckbox.com
General and Technical Information:
info@truckbox.com
Spare Parts Department:
spareparts@truckbox.com
Technical Support Department:
techsupport@truckbox.com

 

Toolboxes for pickups, trucks, utility and service vehicles, semi tractors, and trailers of all kinds. We accept VISA
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