HD6 Transmission input shaft seals

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   Hi All,  
In June I bought an early HD6, and working to get it in good operating condition.  -Filled the transmission with 50 weight oil since it was low.  It sat for 3 days after (without any issues) before taking out for the first test run.  

It worked well, brought it back into shop to make adjustments.  The next day walked in the shop and found a couple gallons had come out of the transmission, and suspecting the front seal at the input shaft.  

I have both parts and service manuals, they reference a somewhat exotic seal set with bellows and bushing.

Any ideas on availability?  -Dozer works great by the way.  

Thanks,  Joe

Edited by jwoods - 12 Sep 2021 at 7:51am

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jwoods Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 12 Jan 2014 Location: Oakwood, OH Points: 19	Post Options Post Reply Quote jwoods Report Post Thanks(0) Quote Reply Topic: HD6 Transmission input shaft seals Posted: 12 Sep 2021 at 7:45am
	Hi All, In June I bought an early HD6, and working to get it in good operating condition. -Filled the transmission with 50 weight oil since it was low. It sat for 3 days after (without any issues) before taking out for the first test run. It worked well, brought it back into shop to make adjustments. The next day walked in the shop and found a couple gallons had come out of the transmission, and suspecting the front seal at the input shaft. I have both parts and service manuals, they reference a somewhat exotic seal set with bellows and bushing. Any ideas on availability? -Dozer works great by the way. Thanks, Joe Edited by jwoods - 12 Sep 2021 at 7:51am

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gemdozer Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 17 Sep 2009 Points: 989	Post Options Post Reply Quote gemdozer Report Post Thanks(0) Quote Reply Posted: 12 Sep 2021 at 12:57pm
	The HD6 transmission oil capacities is 5 gals and maybe the boot spring and seals ring are damaged or the imput shaft nut is loosen and you need to removed the drive shaft for checking and am still have some boot seals for HD6

jwoods Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 12 Jan 2014 Location: Oakwood, OH Points: 19	Post Options Post Reply Quote jwoods Report Post Thanks(0) Quote Reply Posted: 13 Sep 2021 at 4:59am
	Thanks Hector, I will check it. Thanks.

jwoods Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 12 Jan 2014 Location: Oakwood, OH Points: 19	Post Options Post Reply Quote jwoods Report Post Thanks(0) Quote Reply Posted: 02 Oct 2021 at 4:05pm
	Hector was maybe onto something. The locking wire was not in the bolt, it wasn't very tight. What's the chances to re-torque and try it again? Can a new seal set be installed without removing the front shifter cover? -it's the older style, still available new. The gluing/Neoprene rubber cement per the book has me concerned. Thanks in advance. Joe