Register for free → Add your engine serial number (ESN) → View "Service Procedures" → "Lower End" section.
: Install and hand-tighten capscrews in numerical sequence. cummins isx main and rod bearings torque specs new
This data is for informational purposes based on Cummins OEM guidelines. Always verify with your engine’s specific service manual (Cummins Quickserve). Torque specs may vary between ISX CM870, CM871, CM2250, and CM2350 models. Register for free → Add your engine serial
Ensure the thrust bearings are properly placed on the #4 main cap for the ISX. Always verify with your engine’s specific service manual
| Component | Step | Specification | Notes | | :--- | :--- | :--- | :--- | | | 1 | 95 lb-ft | Oil threads | | Vertical Main Bolts | 2 | +90° | Use angle gauge | | Horizontal Bolts | 1 | 40 lb-ft | Cross-bolts | | Horizontal Bolts | 2 | +60° | Critical step |