Quality differential and transmission machining



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About Us


Diff-Tran Machining, Inc. offers machining for
transmission & differential housings

by a team with a combined 53 years of experience

Our numbers:
Years in business
Combined years experience

Our Services

Repairs include:

  • Input & countershaft bearing bores for main cases & auxillaries


  • Drill Fuller 9 series cases for forced lube systems


  • Pocket Ball holes on Fuller shift bar housing


  • Worn butterfly pivot holes in x-type Fuller shift bar housing


  • Repair threads on shafts


  • Pinion Pilot bearing bores, worn or broken out


  • Thru shaft bearing bores


  • Side Carrier bearing bores and threaded sides


  • & much more!







Our Team

Our staff have a long history with the heavy duty transmission & differential industry, offering a combined 53 years of experience to handle any job.

Tim Brooks

Tim Brooks

Owner & Shop Foreman
The Team

The Team

From left to right- David McLaughlin, Head machinist | Beth Brooks, Office Manager | Tim Brooks, Owner | Grayson Brooks, Future Machinist, in training

Contact Us

1024 McClelland Court, Charlotte, NC 28206

(704) 343-9281 

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Contact us to place a machining order.

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