Description
When your Case tractor starts knocking or developing that deep rumbling sound that makes you wince, it’s your engine’s main bearings crying for help. These critical bearings support your crankshaft and handle all the forces from combustion and power transmission. Ignoring main bearing problems doesn’t just mean expensive repairs—it can mean a completely rebuilt or replaced engine when you can least afford the downtime.
Key Features
- AgSmart quality construction meets OEM specifications for dependable performance
- Precision-manufactured bearing shells with proper clearances for optimal oil flow
- High-grade materials designed to handle the heavy loads and heat of farm engines
- Complete set ensures all main bearing positions are replaced with matching components
- Direct replacement for worn factory bearings without machine shop modifications
Built for Real Farm Work
This main bearing set is engineered for Case tractors and equipment that work hard season after season. Fits Case IH 33, 40, 43, 44, 46, 55, 56, 84, 85, and 95 series tractors, plus 3000/3200 and 4000/4200 series models. Whether you’re running a utility tractor for daily chores or powering through heavy field work with a larger machine, these bearings handle the punishment that comes with agricultural applications.
Made to Last
Farm engines face brutal conditions—dust, temperature extremes, heavy loads, and long operating hours that would destroy lesser components. These bearings are properly heat-treated and manufactured to handle the demanding conditions of agricultural use. The bearing material maintains proper oil clearances even under high temperatures, while the backing provides structural integrity to resist distortion under load.
Installation Notes
Main bearing replacement is serious engine work that requires proper tools and experience. Check crankshaft journals for wear, scoring, or out-of-round conditions before installing new bearings. Clean the engine block thoroughly and verify oil clearances with Plastigage. A pro tip: when the mains are gone, check the rod bearings too—they usually aren’t far behind. This is also the perfect time to inspect your oil pump and verify proper oil pressure.
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