Description
When your IH engine starts knocking or the oil pressure drops despite fresh oil and filters, it’s often worn main bearings causing trouble. These critical bearings support the crankshaft and handle all the forces from combustion and PTO work. This standard-size main bearing kit gives you everything needed to restore proper crankshaft support and bring back smooth, quiet engine operation.
What You’re Getting
- Complete set of standard-size main bearings designed for proper clearances
- Precision-manufactured bearing shells with proper oil grooves and clearances
- Quality materials that handle the heat and pressure of agricultural use
- Direct replacement kit – no machine work required when crankshaft is still standard size
Built for Real Farm Work
This kit fits various International Harvester tractors from the 100 and 200 series, covering many of the utility and row-crop machines that have been the backbone of American farms for decades. Whether you’re running a cultivator, pulling a planter, or powering a hay baler, these bearings handle the demanding conditions of agricultural work.
Made to Last
Farm engines work harder than most, dealing with dust, temperature extremes, and long hours under load. These bearings are built with the metallurgy and precision needed to handle thousands of hours of operation. The proper oil film thickness keeps things running smooth while preventing the scoring and wear that leads to expensive crankshaft damage.
Installation Notes
This is standard-size bearing kit, so your crankshaft journals need to be within spec for proper fit. Always check journal dimensions and oil clearances during installation. Clean everything thoroughly – any debris or old gasket material will cause premature bearing failure. A good tip: mark bearing caps before removal to ensure they go back in the same position.
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