When your International Harvester tractor starts developing that telltale knock or rumble from down in the engine block, you know it’s time to address those worn main bearings before things get expensive. Main bearings are what keep your crankshaft centered and rotating smoothly—when they wear out, you’ll hear about it long before you see oil pressure problems. This standard size bearing kit gives you everything needed to restore your engine’s bottom end and get back to reliable operation.
What You’re Getting
- TISCO quality bearings engineered specifically for International Harvester applications
- Standard size bearings that fit properly machined crankshafts without grinding or modifications
- Complete bearing set ensures all main journals get fresh bearings at the same time
- Precision manufacturing that maintains proper oil clearances for long engine life
Built for Real Farm Work
This kit fits International Harvester tractors that have been the backbone of American farming for generations. Whether you’re running a utility tractor for daily chores or a larger row-crop machine for serious acres, these main bearings handle the constant loads and vibration that come with agricultural work. They’re designed to maintain proper crankshaft support through long days of PTO work, heavy pulling, and everything else farm life throws at your engine.
Made to Last
TISCO builds these bearings to handle the punishment that comes with farm work. They’re designed to keep running smooth even when conditions get tough, with quality construction that keeps things lubricated and working like they should. The precision manufacturing ensures proper fit and oil flow, which means your crankshaft stays where it belongs and your engine keeps making power.
Installation Notes
This is a job for someone comfortable with major engine work—you’ll need to pull the engine or at least drop the oil pan and remove the crankshaft. Check your crankshaft journals for proper size before ordering, and consider having them checked by a machine shop if there’s any doubt about condition. Proper torque specs and assembly lube are essential for bearing life, so don’t skip the details when putting things back together.








