Description
When your Allis Chalmers engine starts knocking or you hear that telltale rod bearing rattle, it’s time for new main bearings before things get expensive. This complete bearing set gives you everything needed to rebuild the bottom end of your 226 CID four-cylinder gas engine and get it running smooth and quiet again. A worn crankshaft that’s been turned .020″ under calls for these oversized bearings—they’re designed to restore proper oil clearances and bearing support.
What You’re Getting
- Complete main bearing set sized for .020″ undersized crankshaft journals
- Includes flanged thrust bearing to control crankshaft end play
- TISCO quality construction built to handle farm engine demands
- Direct replacement—no modifications needed for proper fit
- One complete kit services the entire 226 CID engine
Built for Real Farm Work
This bearing set is designed for the 226 cubic inch four-cylinder gas engines that powered many Allis Chalmers tractors through the years. These were dependable workhorses that pulled plows, ran balers, and powered everything from cultivating to harvest. Whether your tractor spends time in the field or around the farmyard, this engine deserves quality bearings that can handle the load.
Made to Last
Engine bearings must be ordered seperately from overhaul kits for good reason—they’re a critical component that needs to be matched to your specific crankshaft condition. These bearings are manufactured to precise tolerances and use materials that resist wear even under the constant stress of farm work.
Installation Notes
These are .020″ oversized bearings for crankshafts that have been machined undersize—make sure your crank journals measure correctly before installation. Check bearing clearances with Plastigauge during assembly, and don’t forget to torque the main caps to specification. A clean work area and proper assembly techniques are essential for a rebuild that’ll last.
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