ZF220a on 6TBA

[Darryll]

Greetings, Had the fluid checked on the ZF220a transmissions, they came back high on the copper. The number was 432/442 for both transmissions.  How worried should I be?   Thanks,

Topic

[Clark Leighs]

Here is an article about this problem.      Read it through.

 

Copper and Your Diesel Engine Oils (machinerylubrication.com)

 

 

 

This can be a frequent result if the oil mfgr. and oil was changed recently.

[Darryll]

Thank you Rob, appreciate the help.

 

[Rob Schepis]

To me that seems like leaching, not wear.

[Darryll]

Iron – 72/60

Lead – 41/38

Alum, Chrome and Tin were all low, (3,1,0)

 

 

 

[Rob Schepis]

Nothing else elevated other than copper?

[Author]

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