Description
When you start hearing that telltale knocking sound from deep in your tractor’s engine, it’s time to face facts—your main bearings are crying for help. Main bearings support the crankshaft and handle all the stress from pistons firing thousands of times per hour. When they wear out, you’re looking at major engine damage if you keep running. This .020 oversize main bearing kit gives you a complete solution for rebuilding worn crankshaft journals back to reliable service.
What You’re Getting
- Complete set of .020 oversize main bearings for one engine rebuild
- Precision-manufactured bearings designed for agricultural diesel engine service
- Quality construction that handles the heavy loads and long hours of farm work
- Direct replacement for worn standard bearings when crankshaft is machined .020 oversize
- All bearings needed for a complete main bearing replacement job
Built for Real Farm Work
This bearing kit is designed for agricultural diesel engines that power tractors, combines, and other heavy farm equipment. Whether you’re running a utility tractor for loader work or a big row-crop machine pulling heavy implements, these bearings handle the constant load cycles and vibration that come with serious farm work. The .020 oversize specification means your crankshaft journals have been machined to remove wear and restore proper clearances.
Made to Last
Farm engines work harder and longer than most applications, which is why these bearings are built to handle the punishment. Farm work means dealing with mud, dust, moisture, and heavy loads that can quickly destroy inferior bearings. This kit uses quality bearings that are properly heat-treated and manufactured to handle the demanding conditions of agricultural use. The precision tolerances ensure proper oil clearance for reliable lubrication and long service life.
Installation Notes
Installing main bearings requires engine disassembly and proper measuring equipment to verify clearances. The crankshaft must be professionally machined .020 oversize before installing these bearings. Check all bearing journals for proper size and finish before assembly. Proper torque specifications and assembly lube are critical for bearing longevity. Many shops recommend checking rod bearings at the same time since they often wear at similar rates.
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