Cummins Isx Main And Rod Bearings Torque Specs New -

Cummins ISX Main and Rod Bearings Torque Specs: A Comprehensive Guide

Bolt Condition: NEW only (Torque to Yield) Thread Lube: Clean Engine Oil (15W-40) Plastigage (Rod): 0.0027" – 0.0059" Plastigage (Main): 0.0034" – 0.0059" cummins isx main and rod bearings torque specs new

• Bearing crush changes after heat cycling.
• Torque-to-yield (TTY) bolts (used on ISX rods) are permanently stretched and cannot be reused.
• New bearings require clean, oiled bolt threads and underheads to achieve accurate clamp load.

Connecting Rod Sequence

Hold the rod horizontally. Tighten the left nut to 65 lb-ft, then the right nut to 65 lb-ft. Repeat for 75 lb-ft. Then apply 60° to both simultaneously. Do not fully torque one side before starting the other. Cummins ISX Main and Rod Bearings Torque Specs: