Cummins Isx Main And Rod Bearings Torque Specs New May 2026

| Bearing Type | Oil Clearance (New) | Maximum Wear Limit | | --- | --- | --- | | | 0.0025 – 0.0043 in (0.064 – 0.109 mm) | 0.0059 in (0.150 mm) | | Rod bearing | 0.0018 – 0.0037 in (0.046 – 0.094 mm) | 0.0059 in (0.150 mm) |

If you are rebuilding a Cummins ISX (Industrial Series eXperimental) engine—whether it’s the popular ISX15, ISX12, or the earlier EGR models—getting the torque specs for the main and rod bearings wrong is a guaranteed path to catastrophic failure. The ISX is a high-horsepower, high-torque workhorse found in Peterbilts, Kenworths, Freightliners, and Volvo trucks. Its composite block and complex joint designs require precision. cummins isx main and rod bearings torque specs new

Last updated: October 2024 – Verified against Cummins Bulletin #3810470-01. | Bearing Type | Oil Clearance (New) |