Description
When you start hearing that telltale knock from your engine during heavy work or notice oil pressure dropping, worn main end bearings are often the culprit. These critical engine bearings support your crankshaft and keep everything spinning smoothly. This 20-thousandths oversized bearing set gives your engine the precise fit it needs after proper machining work, getting you back to reliable operation when standard bearings just won’t do the job anymore.
What You’re Getting
- Complete main end bearing set with 20-thousandths oversize for rebuilt crankshafts
- Quality construction designed to handle the constant loads and vibration of farm work
- Proper oil film thickness engineered for reliable lubrication and heat dissipation
- Direct replacement for your 1104C engine when standard bearings no longer provide proper clearance
Built for Real Farm Work
These bearings fit Massey Ferguson tractors across the 3400, 5400, and 6400 series that are powered by the reliable 1104C engine. Whether you’re running a compact 3445 around the farmyard, a mid-range 5435 for field work, or a bigger 6470 pulling heavy implements, these bearings are engineered to handle the demanding conditions these tractors face every day.
Made to Last
Engine bearings take tremendous loads, especially in agricultural applications where engines run for hours at varying RPMs. These oversized bearings are manufactured to handle the stresses of farm work while providing the proper oil film thickness for reliable lubrication and heat dissipation.
Installation Notes
Installing oversize bearings requires having your crankshaft machined by a qualified machine shop to the proper dimensions. Always check crankshaft journal diameter with a micrometer before ordering, and consider replacing the main bearings at the same time if you’re doing a complete bottom-end rebuild. A good tip is to keep the old bearings for reference when talking to your machine shop about the grinding work needed.
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