Description
When your Perkins AD3-152 starts knocking or you hear that telltale rod bearing noise getting louder under load, it’s time to address it before a connecting rod decides to take a look at the outside world. These rod bearings handle the critical job of keeping your connecting rods properly positioned and lubricated, and when they wear out, that familiar three-cylinder purr turns into an expensive symphony of destruction.
What You’re Getting
- Precision-engineered bearings sized at .020″ oversize to restore proper clearances
- Quality construction that handles the demands of agricultural work cycles
- Direct replacement bearings that maintain proper oil film thickness
- Complete pair provides everything needed for one connecting rod assembly
Built for Real Farm Work
These bearings are specifically designed for the AD3-152 three-cylinder Perkins diesel engine, the reliable powerplant found in countless Massey Ferguson tractors and other agricultural equipment. Whether you’re running a loader, working hay fields, or pulling implements, this engine has been the backbone of small to medium farming operations for decades.
Made to Last
The AD3-152 is known for its durability when properly maintained, and quality rod bearings are essential for that longevity. These bearings are manufactured to handle the constant pressure and heat cycles that come with farm work, from early morning startup in cold weather to long days under full load during harvest season.
Good to Know
The .020″ oversize specification means these bearings are designed for engines where the crankshaft journals have been machined to restore proper surface finish. Always have your crank measured by a machine shop before ordering bearings—using the wrong size can lead to oil pressure problems or premature failure. When installing, pay close attention to bearing cap torque specs and use proper assembly lube to prevent dry start damage.
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