This TSI replaces TSI-05-12-38
Subject: Updated Valve Train Components
International® DT 408, DT 466, and 530
International® DT 466E and 530E
International® DT 466, DT 530, and HT 530
International® 530E with Green Diesel Technology
International® DT 466 with Green Diesel Technology
International® DT 466, DT 570, and HT 570
Engine valve train load carrying requirements have resulted in the release of several different push rod and tappet configurations. The main differences are noted by improved geometry designs and materials.
The tables included in this TSI provide service technicians with information on push rod and tappet compatibility for different engine model year configurations.
To prevent engine damage, follow push rod and tappet compatibility tables in this TSI when servicing components.
The following tables show the different types of push rod and tappet configurations service technicians may encounter.TSI-Update-Valve-Train-Components