Description
When your Oliver tractor’s engine starts knocking or you’ve got oil pressure that won’t come up where it should, chances are those main bearings are telling you they’ve had enough. This happens to all diesel engines over time—the crankshaft journals wear down from thousands of hours of heat and friction, and eventually the bearings can’t maintain proper oil clearance. This .020 oversize main bearing kit gives you the foundation for a solid engine rebuild that’ll get your Oliver pulling strong again.
What You’re Getting
- Complete set of .020 oversize main bearings for proper crankshaft journal fit
- Quality construction designed to handle the loads and temperatures of diesel engine operation
- Precise thickness for proper oil clearance when used with a machined crankshaft
- Standard replacement that machine shops know how to work with
Built for Real Farm Work
Oliver tractors earned their reputation doing tough jobs—pulling heavy plows through gumbo, running PTO equipment for hours at a time, and handling whatever job needed doing around the farm. Whether you’re rebuilding a 550, 770, or larger diesel, these bearings are engineered to handle the constant loads and heat cycles that come with serious agricultural work.
Made to Last
Main bearings live in one of the toughest environments in your engine—constantly bathed in hot oil while supporting thousands of pounds of force with every firing stroke. These bearings use quality materials and proper construction to provide the durability your rebuilt Oliver engine needs for years of reliable service.
Good to Know
This is a machine shop job—your crankshaft will need to be turned .020 under to work with these oversized bearings. Most experienced engine rebuilders know the drill, but make sure they check the journals with a micrometer before ordering. When you’re this deep into an engine, it’s smart to replace all the bearings, gaskets, and seals while everything’s apart.
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