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340 Utility Hydraulic Oil Leak

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Rockbasss

05-20-2006 17:31:17

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I bought a �61 340 Utility a while back and am trying to clean it up some, to start with. If any one has an educated guess as to where this leak is coming from I will appreciate your thoughts. The black arrow is pointing to a hole in the casting that the oil is leaking from. It didn't leak from there to my knowledge until I rebuilt the cylinder on the 3 pt. That shouldn't have caused it unless pushing the oil into the cylinder caused a gasket to start leak above the casting hole? In any case I still want to find the leak before I change the trans hyd oil and the filter. The picture is taken looking from the front towards the rear.

Thank you,
Rockbasss

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Rockbasss

05-20-2006 20:48:18

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Re: 340 Utility Hydraulic Oil Leak in reply to Rockbasss, 05-20-2006 17:31:17

I should mention that I do not have a TA or a reverser on this tractor.

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JAS,Tn.

05-20-2006 20:05:25

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Re: 340 Utility Hydraulic Oil Leak in reply to Rockbasss, 05-20-2006 17:31:17

THERE IS AN AREA ABOVE THE HOLE YOU SEE,ONE ON EACH SIDE THIS IS A DRY AREA INSIDE .iF YOU TAKE THE COVER OFF ON TOP YOU WILL SEE THE DRIVESHAFT FROM ENGINE TO TRANS . YOUR SEAL IS LEAKING ON THE TRANS . SIDE. YOU WILL HAVE TO SPLIT TRACTOR AND REPLACE SEALS. dO YOU HAVE AN IPTO IF SO THERE IS A SEAL IN THAT SECTION ALSO.GET YOURSELF AN IT MANUAL AND IT WILL SHOW WHERE THESE PARTS ARE AND FOR WHICH TYPE PTO YOU HAVE.i HAVE A 300 UTILITY AND FROM YOUR PIC IT LOOKS ALMOST THE SAME.
hOPE THIS HELPS YOU SOME
JOHN

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Rockbasss

05-20-2006 23:43:37

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Re: 340 Utility Hydraulic Oil Leak in reply to JAS,Tn., 05-20-2006 20:05:25

JSA,
Thank you. Your post does help me figure that the trans seal is leaking. I was hoping that the hydraulic pump or filter might be leaking into that area as that probley would be an easier fix and it is in the area.

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