New Bend Specification For Used Or Field Reground Crankshafts

All Caterpillar Engines

A new bend specification of 0.13 mm (.005″) maximum T.I.R. (Total Indicator Reading) for main bearing journals is to be used for both used and field reground crankshafts. This new specification is to be used when a crankshaft is measured according to the “Guideline For Reusable Parts-Procedure To Measure Bent Crankshafts,” Form No. SEBF8030-01. Make a note of this change in the above publication.

A future revision will have this change.


Publication Date -13/08/1980

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