When your engine starts knocking or rattling, especially during startup or under load, worn main bearings are usually the culprit. These critical bearings support your crankshaft and keep it properly aligned, but after thousands of hours of work they start to wear thin. Don't ignore those sounds—catching worn main bearings early prevents expensive crankshaft damage that can cost thousands to repair. What You're Getting Complete standard-size bearing set for all main journal positions Precision-manufactured to OEM specifications for proper oil clearance and fit High-quality bearing material that handles heavy loads and high temperatures Standard sizing for engines that haven't been machined oversize Built for Real Farm Work This bearing set is engineered for the Cummins 6B engine that powers your Case IH Maxxum tractors through long days of demanding work. Whether you're pulling a heavy disk through tough ground or running a big baler during hay season, these bearings keep your crankshaft spinning smoothly under all that load and stress. Made to Last Farm engines work harder than most—constant heavy loads, temperature swings, and extended operating hours that would kill a highway engine. These bearings use advanced bearing materials with the proper hardness and oil retention properties to handle agricultural duty. The precision manufacturing ensures proper oil film thickness for long bearing life. Installation Notes This is definitely a job for experienced mechanics with proper tools and torque specifications. Check your crankshaft journals for wear and proper size before installation—if they've been turned undersize, you'll need undersize bearings instead. Always replace the complete set and check oil pump condition while you're in there. Proper bearing clearance is critical for oil pressure and engine life.
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