Description
When you start hearing that telltale knocking or feel the engine shuddering during those long harvest days, your main bearings are probably crying for help. These critical engine components support the crankshaft and keep everything spinning smoothly, but years of farm work – from pulling heavy implements through tough soil to running PTO equipment – eventually wears them down. 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.
What You’re Getting
- Complete main bearing set specifically sized for standard crankshaft journals
- Precision-manufactured bearings that maintain proper oil clearances for reliable lubrication
- High-quality materials designed to handle the constant stress of diesel engine operation
- Direct replacement for worn bearings – no machine work required on standard journals
Built for Real Farm Work
This bearing set fits the reliable Perkins engines found in a wide range of Massey Ferguson tractors from the 100 series utility tractors through the heavier 600 series machines. These Massey Ferguson tractors powered by Perkins engines are workhorses found on farms running everything from grain operations to cattle ranches. The 100 and 200 series are popular mid-range tractors perfect for operations handling 200-500 acres, while the 500 and 600 series handle heavy-duty work like deep tillage, large hay operations, and commercial farming. Whether you’re running a disk, planting corn, cutting silage, or pulling heavy implements, a properly sealed engine keeps you working when you need it most.
Made to Last
Perkins engines are renowned worldwide for their exceptional durability and fuel efficiency, but they depend on clean oil for optimal performance and longevity. The full-flow design ensures all engine oil passes through the filter, providing maximum protection for critical engine components including bearings, pistons, and valve train components. These replacement main bearings are built to the same exacting standards as the originals.
Installation Notes
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. These are standard size bearings for uncut crankshafts – if your journals have been machined, you’ll need oversize bearings instead.
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