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Caterpillar 631 Engine Repaired With Belzona



General Industry (GIND)



Engines and Casings (ENC)


Customer Location:

Magruder Limestone Company, Troy MO


Application Date:

June 2007


Application Situation:

Traces of engine coolant appeared in the lubricating oil test samples indicating erosion in wall of cylinder block



A previous repair with "Brand X" epoxy failed. The owner took it to his own shop & did the work.



Belzona® 1311 (Ceramic R-Metal)


Cast Iron


Application Method:

Application carried out in accordance with Belzona Know-How System Leaflet ENC-6.


Belzona Facts:

This is a Caterpillar approved repair for a cavitated engine blocks and has been successfully completed many times on these and Komatsu engines. The Cat dealer declined to do the Belzona repair, claiming that the "brand X" failed repair proved that another such repair couldnt be done & wanted to sell a new engine block.


Photographs Description

  1. Caterpillar 631 engine block
  2. Failed "Brand X" repair
  3. Prepared surface on 1 of the cylinders showing leaks
  4. Completed repair on 1 cylinder
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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