Description
When you hear that telltale knock from your Perkins 3-cylinder or notice oil pressure dropping, it’s time to look at your rod bearings. These precision-machined bearings are what keep your connecting rods moving smoothly on the crankshaft – when they wear out, your engine’s in trouble fast. This .020″ oversized bearing set brings worn engines back to proper clearances and gets your tractor running smooth again.
What You’re Getting
- Complete rod bearing kit with .020″ oversize to handle worn crankshafts
- Precision-machined surfaces that maintain proper oil clearances
- Quality construction that handles the high loads of agricultural work
- Complete kit for one AD3-152 engine rebuild
Built for Real Farm Work
This bearing set fits the popular AD3-152 3-cylinder Perkins engine found in Massey Ferguson 135 tractors and similar machines. Whether you’re running a loader, mowing pastures, or pulling implements, this 45-horsepower workhorse has been a farm favorite for decades. These versatile tractors handle diverse agricultural operations including mixed farming, livestock management, hay production, and general farm maintenance.
Made to Last
Rod bearings take tremendous abuse in diesel engines – they support the full force of combustion on every power stroke. These oversized bearings are built to handle that punishment with materials and construction designed for the constant high loads and temperature swings of farm work. The .020″ oversize compensates for normal crankshaft wear that happens over thousands of operating hours.
Good to Know
Installing rod bearings means a complete engine teardown – this isn’t a quick roadside repair. You’ll need the crankshaft checked and possibly turned to match these oversized bearings. Most shops recommend checking all your main bearings while the engine’s apart, since they wear at similar rates. Make sure your oil pump and filtration system are in good shape before reassembly – clean oil is what makes these bearings last.
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