Apply a clean coat of 15W-40 engine oil to the bolt threads and the underside of the bolt heads before installation.
Properly torquing the main and rod bearings on a Cummins ISX engine is critical for ensuring engine longevity and preventing catastrophic internal failure. These engines generate immense cylinder pressure and torque, placing significant stress on the crankshaft assembly. cummins isx main and rod bearings torque specs new
📏 Never assume "Standard" size bearings are correct for a used crank. Use Plastigage or a micrometer/bore gauge set to verify oil clearances. Apply a clean coat of 15W-40 engine oil