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Re: Casematic oil leaks into trans. rear diff.?

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Author  [Modern View]

12-25-2012 06:10:54

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Yes, a model number would be helpful. I am assuming that you have a small series tractor so I am posting additional info that does not pertain to tractors such a DKase has.
Since you have already done the rockshaft, there are two other places possible, neither one requiring COM removal.
The PTO shaft seal at the rear of the sliding gear shaft in the rear right next to the ring and pinion and the seals between the range box and the main tranny. Of course that set is a split but a very easy one. Just get everything supported safely.
Hopefully Joe can post some pics and when you get a look at it it's fairly obvious what must be done. The two back to back seals are located in a retainer between the range box and 4 speed so the box must be removed to get to them.
This post was edited by mEl at 06:15:34 12/25/12.

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Joe Young

12-26-2012 04:21:35

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 Re: Casematic oil leaks into trans. rear diff.? in reply to mEl, 12-25-2012 06:10:54  
Below is a diagram of the mainshaft (top shaft). The PTO shaft runs in the center of this shaft necessitating seals to keep the hydraulic fluid in the front reservoir.

The needed part numbers are: (prices are what is quoted at my local dealer).

G13802 - Oil Seal, Rear Mainshaft - $32.03 G10422 - Oil Seal, Front Mainshaft (part subs to A155950) - $16.65 (2 needed)

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Joe Young

12-26-2012 07:13:03

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 Re: Casematic oil leaks into trans. rear diff.? in reply to Joe Young, 12-26-2012 04:21:35  
I forgot about the gasket between the range gearbox and the primary gearbox. It's Case part number G46841 which subs to Case part number 1342380C1. My dealer has it for $6.40

See the large arrow in the diagram below.

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Joe Young

12-26-2012 05:48:31

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 Re: Casematic oil leaks into trans. rear diff.? in reply to Joe Young, 12-26-2012 04:21:35  
Here are some SKF part numbers for the seals:

Case numbers: G10422 & A155950 ----> SKF-15592

Case number: G13802 ----> SKF-13649

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