Description
When you’re hearing that dreaded knocking sound from deep in the engine block, it’s time to face the music—your main bearings are worn out. This TISCO main bearing kit gives you standard-size bearings to rebuild your engine’s crankshaft support system and get your tractor back to work. Nothing beats the confidence of knowing your engine’s foundation is solid again.
What You’re Getting
- Complete set of standard main bearings designed for proper crankshaft clearances and oil flow
- Precision-manufactured TISCO quality that meets or exceeds OEM specifications for fit and performance
- Standard sizing allows you to rebuild without machining the crankshaft if it’s still within spec
- Everything needed to restore proper crankshaft support and eliminate that concerning engine knock
Built for Real Farm Work
This bearing kit works with a wide range of Massey Ferguson tractors including the MF35, MF50, MF135, and related series that have been the backbone of farming operations for decades. These versatile tractors handle everything from cultivation and planting to hay operations and loader work, where reliable engine performance is critical for getting the job done.
Made to Last
Farm engines work hard under constant load, temperature swings, and dusty conditions that challenge every component. TISCO bearings are engineered with robust internal construction and materials that maintain proper clearances and oil pressure even after thousands of operating hours. The precision tolerances ensure proper oil film thickness for maximum bearing life.
Good to Know
This is a major engine rebuild job that requires pulling the engine and splitting the crankcase. Before installation, have your crankshaft checked for proper dimensions and surface finish—standard bearings only work if the crank journals are still within specification. Clean everything thoroughly and use proper torque sequences when reassembling. If your crankshaft needs machining, you’ll need undersize bearings instead.






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