Description
When you’re hearing that telltale knocking from deep in your IH engine or seeing metal shavings in the oil, it’s time for new main bearings. This .020 oversize main bearing kit is exactly what you need when your crankshaft has been turned down during a rebuild or major overhaul. Don’t let worn main bearings turn a repairable engine into scrap iron.
What You’re Getting
- Precision-manufactured .020 oversize bearings for proper fit on turned crankshafts
- High-quality bearing shells designed to handle the demands of agricultural engines
- Complete set for one engine rebuild – no need to piece together individual bearings
- Direct replacement for International Harvester engines during overhaul work
Built for Real Farm Work
This main bearing kit is designed for International Harvester engines across multiple tractor series including 100 series, 200 Series, Super A-1 Series, Super AV-1 Series, and Super C Series tractors. These are the reliable workhorses that have been powering farm operations for decades, and when it’s time for a rebuild, quality bearings make all the difference between a long-lasting repair and another teardown next season.
Made to Last
Farm engines face harsh conditions – dust, dirt, heavy loads, and long hours under stress. These bearings are built to handle the punishment that comes with agricultural use, providing the proper oil clearances and load capacity your rebuilt engine needs to deliver reliable power for years to come.
Installation Notes
This is a .020 oversize kit, which means your crankshaft needs to be machined before installation. Always have your crank checked by a qualified machine shop and confirm the journal sizes before ordering. Take your time during assembly – proper torque specs and cleanliness are critical for main bearing longevity. A good rebuild done right the first time saves you from doing it again.






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