SKU: 68088139664
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gear builder Trail-Gear Fabricated Front Axle Builder Kit - 8.4" Diff - 3/8" wall

Sale price$25.76 Regular price$28.62
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Ships within 48 hours · Estimated delivery Nov 15 - Nov 20

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Description

gear builder Trail-Gear Fabricated Front Axle Builder Kit - 8.4" Diff - 3/8" wallTHIS PRODUCT DOES NOT QUALIFY FOR FREE SHIPPING Fabricated Front Axle Builder Kit Known for their strength, light weight, and simplicity, Toyota axles are the perfect fit for many custom off road projects. Factory Toyota axle housings are available in a narrow range of widths which may not fit your crawler well. Trail Gear Fabricated Axle Housings allow you to use Toyota axles in nearly any width from the narrowest of moon buggies to full size trucks.

THIS PRODUCT DOES NOT QUALIFY FOR FREE SHIPPING

 

Fabricated Front Axle Builder Kit

Known for their strength, light weight, and simplicity, Toyota axles are the perfect fit for many custom off-road projects. Factory Toyota axle housings are available in a narrow range of widths which may not fit your crawler well. Trail-Gear Fabricated Axle Housings allow you to use Toyota axles in nearly any width from the narrowest of moon buggies to full-size trucks.
Trail-Gear’s Fabricated Axle Housings Builder Kits are available for Toyota 8”, 8" E-locker, or 8.4" differentials and feature all of the same specifications as our Rock Assault 9 axles. Fabricated Axle Housing Builder Kits include a 75-inch wide Trail-Gear axle housing and two Knuckle balls. You can cut the axle length to size and weld your knuckle balls where you need them. The included knuckle balls are brand new so that you no longer need to source 30 year old knuckle balls. Our knuckle balls are forged from 1035 steel, making them much stronger than stock, eliminating closed or bent knuckle balls.

We started with a 1/4" thick formed shell for the center section made out of ASTM A36 steel. This is a high-strength, low alloy, structural steel plate with a minimum yield strength of 36,000 psi! All of this is attached to an equally strong 1/2" thick faceplate for anchoring the 3.5” OD DOM axle tubes. The axle tubes are secured by the industry's first 3-point attachment system, giving the tubes superior support and engagement into the center section. We also face the center section to ensure your differential mounts flush against the axle housing to prevent leaks.
We offer two different axle tube wall thickness options. The 1/4-inch wall tube version saves weight while the 3/8-inch wall tube version provides even greater durability. We also include seal housing kits for both sides.  Set screw holes for seal housings can be plug welded if using Toyota inner axle seals in the knuckle balls.

We recommend the addition of our Axle Housing Inspection Hole Kit to allow for easy fluid level and ring gear visibility. Just select "With Inspection Hole Kit Installed" in the drop down menu above. The kit is also available in a DIY installation version (requiring drilling through the differential housing and welding on a threaded bung).

 

 

  • Customer choice of Fabricated 8”, 8” Elocker, or 8.4” Axle housing
  • Customer choice of 1/4” or 3/8” wall tubing
  • 1/4” CNC formed center section
  • 1/2” Formed faceplate
  • DOM axle tube
  • 3-point attach system
  • Faceplate is machined after welding to ensure that the differential mounts flush
  • Includes 2 seal housing kits
  • Includes brand new knuckle balls
  • Cut to length housing is 75” wide
  • Ships bare
  • Oil Capacity Varies depending on axle width. We recommend having 1 Gallon of oil on hand and filling to the top of the fill plug hole.

 

PRODUCTS ON THIS PAGE

306558-KIT (8" Housing 3.5 OD - 1/4" Wall Tube Knuckle Balls) TGI-308925 With Inspection Hole Kit Installed
306559-KIT (8" Housing 3.5 OD - 3/8" Wall Tube Knuckle Balls) TGI-308926 With Inspection Hole Kit Installed
306560-KIT (8" E-Locker Housing 3.5 OD - 1/4" Wall Tube Knuckle Balls) TGI-308927 With Inspection Hole Kit Installed
306561-KIT (8" E-Locker Housing 3.5 OD - 3/8" Wall Tube Knuckle Balls) TGI-308928 With Inspection Hole Kit Installed
306562-KIT (8.4" Housing 3.5 OD - 1/4" Wall Tube Knuckle Balls) TGI-308929 With Inspection Hole Kit Installed
306563-KIT (8.4" Housing 3.5 OD - 3/8" Wall Tube Knuckle Balls) TGI-308930 With Inspection Hole Kit Installed

 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 68088139664

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The Shark
Houston, US
★★★★★ 5
Gonna like these!
Style: Zig Zag, Size: 28 inch
Well done! Substantial legs that look great for a very reasonable price! Will absolutely purchase again for next project. Just can’t beat the price for the quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
C
Verified Purchase
Curtis W
Lowell, US
★★★★★ 4
Very sturdy legs!
Style: Zig Zag, Size: 28 inch, Style: Zig Zag, Size: 28 inch
The legs are very well built and good looking, however, the screws included for installation are only 9/16" long which is not nearly enough for table legs of this size. I installed the legs on a 30" x 83" live edge oak tabletop that is full 2" thick. I purchased 1 1/4" screws for the install making the table very solid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
D
Verified Purchase
Dave M.
Bozeman, US
★★★★★ 5
Heavy duty. Looks nice.
Style: Zig Zag, Size: 28 inch
These are great. They are VERY heavy duty. I used them with a butcher block counter to make a desk. Worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
N
Verified Purchase
Naperville Jon
Waukegan, US
★★★★★ 3
Good and attractive with a few finish issues.
Style: Zig Zag, Size: 28 inch
These are attractive and functional and work well. Some of the welds were not as precise as I would have liked, and a few places (not conspicuous) are missing a little of the finish, but overall they do what they're supposed to do. I used them with a butcherblock counter top to create a desk for my office.
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Reviewed in the United States on November 19, 2025
D
Verified Purchase
D WARREN
Alexandria, US
★★★★★ 5
Very versatile table for many uses.
Style: Rectangular, Size: 28 inch
These legs work great for replacing a free standing rv dinette by reusing the table top . We didn’t need a table that converted to a bed. Nice fit and finish and great quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026

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