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955 12a Final Drive

955 12a Final Drive

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ShawnP
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I'm working on a 955 12a final drive that's been leaking on the left side of the tractor. I was wondering if someone could be able to give me a part number for the final drive seal?
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Fri, Sep 1, 2017 6:53 AM
d9gdon
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Looks to be a 2B-8836 Lip Type Seal.

http://www.ebay.com/itm/CATERPILLAR-2B-8836-OIL-SEAL-NEW-IN-BOX-/262997018347

The 955 12A is in SIS, so the Cat dealer can look up parts for it unlike the other older equipment.
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Fri, Sep 1, 2017 8:40 AM
Old Magnet
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Reply to d9gdon:
Looks to be a 2B-8836 Lip Type Seal.

http://www.ebay.com/itm/CATERPILLAR-2B-8836-OIL-SEAL-NEW-IN-BOX-/262997018347

The 955 12A is in SIS, so the Cat dealer can look up parts for it unlike the other older equipment.
Leaking where? 2B8836 is the pinion seal.
Sprocket seal is a 5H0389 and gasket 7F5012 (one of each in each seal assembly)
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Fri, Sep 1, 2017 9:51 AM
catsilver
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Reply to Old Magnet:
Leaking where? 2B8836 is the pinion seal.
Sprocket seal is a 5H0389 and gasket 7F5012 (one of each in each seal assembly)
You will need a couple more seals /gaskets than that and specialist pulling gear to remove and refit the sprocket, OK if you have access to the tools, I would source all the seals first but strip the sprocket before ordering them in case anymore parts are needed.
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Fri, Sep 1, 2017 12:28 PM
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