Cummins Isx Main And Rod Bearings Torque Specs New «2K»

The Ultimate Guide: Cummins ISX Main and Rod Bearings Torque Specs (New Build)

If you are assembling a new Cummins ISX engine—whether you’re in the middle of an in-frame overhaul, a complete rebuild, or installing a new crankshaft—getting the torque specifications wrong is the fastest way to destroy thousands of dollars in components. The ISX is a high-horsepower, high-torque commercial diesel engine. It operates under extreme stress, and its bearing clearances are measured in thousandths of an inch.

| Step | Torque Value | |------|---------------| | Step 1 | 80 N·m (59 ft-lbs) | | Step 2 | 150 N·m (111 ft-lbs) | | Step 3 (Angle) | Turn additional 120° (1/3 turn) | cummins isx main and rod bearings torque specs new

2. Mixed Torque Methods

Do not use a torque wrench for the angle stage. Once you hit 95 lb-ft (or 75 lb-ft on rods), switch to an angle gauge. A torque wrench cannot accurately measure degrees. The Ultimate Guide: Cummins ISX Main and Rod

| Component | Step | Specification | | :--- | :--- | :--- | | Rod Nuts | 1 | 65 lb-ft (snug) | | Rod Nuts | 2 | 75 lb-ft | | Rod Nuts | 3 | +60° (final angle) | | Step | Torque Value | |------|---------------| |