Description
When you start hearing knocking sounds from the bottom end or notice metal shavings in your oil, there’s a good chance your crankshaft thrust bearings are worn out. These bearings control fore and aft movement of the crankshaft, keeping everything in proper alignment. When they fail, you’ll get excessive crankshaft movement that can destroy your engine if not caught in time.
What You’re Getting
- Standard size thrust bearing designed for John Deere engines including 4239T, 4039, 6359T, 4239D, 6359D, 4045T, and 6068T
- Controls crankshaft end play to prevent damage to the engine block and other internal components
- Manufactured to handle the high pressures and loads of diesel engine operation
- Direct replacement that fits without modifications or special tools
Built for Real Farm Work
This bearing fits a wide range of John Deere tractors from the compact 40 Series utility tractors up through the powerful 7000 Series row-crop machines. Whether you’re running a small farm operation with a 2040 or pushing big implements with a 7600, these are the workhorses that put in long hours during planting and harvest seasons.
Made to Last
Engine thrust bearings take tremendous loads, especially when you’re pulling heavy implements or working in tough conditions. This bearing is built with materials that can handle the constant pressure and heat cycles of diesel engine operation, giving you the reliability you need when there’s work to get done.
Good to Know
Thrust bearing replacement is typically part of a complete engine rebuild, so you’ll want to check all your main and rod bearings while you’re in there. Always measure crankshaft end play with a dial indicator to make sure you’re getting proper clearances. If you’re doing this job yourself, having the crankshaft checked for straightness at a machine shop is good insurance.
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