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How do I determine if the J2K100 is compatible with my Caterpillar engines?
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Last Updated:
August 18, 2010

Article ID:
451
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Caterpillar engines are confirmed to have J1939 available on production years 2000 and up. Previous engines may or may not have J1939 available, therefore the installer must do a visual assessment of the existing engine installation.  There are several ways to determine if your Caterpillar engine is equipped with J1939.

This helm has J1939:




This Caterpillar engine has J1939 on pins "G" and "H":


This Helm has no J1939:





This Caterpillar diagnostic plug has no J1939:



Note: Pins "G" and "H" have no wires installed.
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