CAT TH48 and TH55 High-Value Component Repair Services

Highly Focused Expert Knowledge

Whether you need to be more competitive with your rebuild price or you just need that out-of-stock part now, consider Trans Machine’s TH48 and TH55 component restoration services as your solution.

We’ve applied to the CAT brand, our component restoration expertise developed by nearly 40 years of experience with Allison Transmission components. This expertise delivers time-tested repairs that are virtually undetectable, at a fraction of the cost of a new OEM part. Just ask our Allison oilfield customers.

Below you’ll find examples of just a few of the common CAT TH48 and TH55 components that we restore.

269-8182 Carrier Housing

  • Restore Bearing OD
  • Restore Seal Bore
  • Restore Guide Pin Holes

357-6343 Bearing Cage

  • Restore Bearing OD and Snap Ring Groove
  • Restore Large Bearing Bore
  • Restore Large Seal Diameter

361-3065 Impeller

  • Restore Seal Ring Bore

Compare the Cost

Before you buy new, ask us if we can restore your high-value component and compare the cost. Call or send us a message or search for your part number via the search function at the top of the page.


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When you need transmission parts, we want Trans Machine to be the first name you think of.

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