Description
When your trusty old Perkins 3.152 engine starts knocking or loses oil pressure, worn main bearings are usually the culprit. After thousands of hours running implements, pulling loads, and handling the daily grind of farm work, even the toughest engine bearings eventually need replacement. These .030 oversize main bearings restore proper crankshaft support and oil clearances after your machine shop has turned the crank journals to clean them up.
What You’re Getting
- Oversize bearings sized at .030 thousandths to match machine shop specifications for rebuilt cranks
- Set of main bearings engineered for the demands of agricultural diesel engines
- Quality construction that maintains proper oil clearances and supports crankshaft loads
- Direct fit for rebuilt Perkins 3.152 engines after crankshaft machining
Built for Real Farm Work
The Perkins 3.152 engine powers many of the most beloved tractors in agricultural history, including the legendary Massey Ferguson 135 with its 45-horsepower three-cylinder diesel. These engines are workhorses in hay operations, cultivation, loader work, and general farm duties where reliability matters more than anything else. When you’re depending on your tractor to get the crop in or handle daily chores, proper bearing clearances keep that engine running strong.
Made to Last
These bearings are built to handle the pressure and loads that diesel engines put on their bottom end, providing maximum protection for critical engine components. The precision manufacturing ensures they’ll maintain proper oil film thickness and clearances throughout their service life, giving your rebuilt engine the foundation it needs for years of dependable operation.
Installation Notes
These are .030 oversize bearings, so they’re only for engines that have had their crankshaft journals machined to clean up wear or damage. Always verify your machine shop’s measurements before ordering—using the wrong size will destroy your engine fast. Install with proper torque specs and fresh oil, and you’ll have an engine that runs like new again.
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