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John Deere 420C Rear main seal size issue

V

vicdimatteo

New User
Hello, I am rebuilding my JD420C motor and ran into an issue with the rear main seal ID. The Gasket overhaul kit came with part number AM220T. Problem is it fits loosely over the crankshaft.
The seal I removed was spring loaded and fit snug like normal, the new seal (AM220T) is not spring loaded and is to big for the crankshaft. I cant find a old part number off the old seal... but the only difference I can see is that the ID on the old seal is slightly less than 4 inches, like 3.8, or 3.9 inches... I am having trouble finding the correct replacement seal. Any help?? Thoughts? Vic
 
It's the right part #. Is it an aftermarket kit with a cheaper seal? SKF crosses to this one.
cvphoto70557.png
 
(quoted from post at 13:58:56 01/08/21) It's the right part #. Is it an aftermarket kit with a cheaper seal? SKF crosses to this one.
<img src="https://www.yesterdaystractors.com/cvphotos/cvphoto70557.png">
Click to expand...

Thank you, I will look into it. It doesn't look like the SKF seal is spring loaded? The one took out was...
 
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