Description
When your diesel engine starts knocking or showing signs of bearing wear, it’s time to get serious about an overhaul. The crankshaft main bearings are the foundation of your engine’s rotating assembly—they carry the full weight and power loads while keeping oil pressure where it needs to be. This complete main bearing kit gives you everything you need to restore proper clearances and get back to reliable operation.
What You’re Getting
- Complete set of 0.25mm oversized main bearings for proper crankshaft clearance
- Precision-manufactured bearings designed to handle heavy diesel loads
- Quality materials that resist heat, pressure, and contamination
- All bearings included in one kit—no hunting around for individual pieces
Built for Real Farm Work
This kit works specifically with 6-590, 6T-590, and 6TA-590 CDC-B series non-emission 6-cylinder diesel engines. These are serious workhorses found in larger tractors and industrial equipment where power and reliability matter. Whether you’re running a combine, big tractor, or stationary power unit, these engines see hard use and need quality bearings to keep going.
Made to Last
Main bearings take tremendous loads and run in hot, contaminated oil. These bearings are built with materials and clearances that handle the punishment of diesel operation. The 0.25mm oversize compensates for crankshaft wear while maintaining proper oil pressure and clearances.
Good to Know
This is major engine work that requires complete disassembly, proper measuring tools, and machine shop services. Have your crankshaft checked for straightness and surface finish before installing new bearings. Clean everything thoroughly—any debris will destroy new bearings quickly. Consider replacing rod bearings, seals, and gaskets while you’re this deep into the engine.
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