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Reply to "CAT 3406 Failure"

Dear Crjerry
I know that engine pretty good especially on drill rigs as DM30. tHAT ENGINE IS RUNNING IN A VERY HIGH LOAD AND HIGH HP.
The bearings are sensatives and a connecting rod that 'ventilate" the block is not a rare case.
You must monitor very carfully the oil. If you notice irregular Cu, you must stop and repair.
sOMETIME THE SOURCE OF the Cu is connecting rod bushing or main bearing. That engine last not more that 10000 hr. The event that you describe could be a problem in the fuel pump that lead to over power.Also, you must protect the rig by installing automatic temp shut down.
Dan
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