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What Grease for Rotory Gearbox


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#1 Bad_Custom_6 OFFLINE  

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Posted June 06, 2017 - 07:33 AM

Was trying to cross ref the grease listed in the manual and coming up with nothing

 

What grease are you using for the sears Rotary Mower gearbox 917.99620?

 

I was thinking something like the John Deere Golf and Turf Cutting Unit Gun Grease - TY25083 or the Special-Purpose Corn Head Gun Grease - AN102562

 

here is a picture with the gearbox in question

 

413381423.jpg



#2 chieffan ONLINE  

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Posted June 06, 2017 - 11:57 AM

80W - 90W gear oil would be my guess.  That is what I run in my gear boxes including a Sears Tiller and gear drive tractor rear ends.  Be much cheaper than anything JD has to offer.


Edited by chieffan, June 06, 2017 - 11:58 AM.

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#3 Bad_Custom_6 OFFLINE  

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Posted June 06, 2017 - 04:01 PM

The JD Grease isn't so bad less than $4.00 a tube.

 

The Rotary Deck manual calls out E.P. lithium grease part #5801, but haven't been able to find a cross reference

 

The PO filled them with them gear oil that seeped out all over my garage floor.


Edited by Bad_Custom_6, June 06, 2017 - 04:24 PM.


#4 GardnMastr OFFLINE  

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Posted June 06, 2017 - 04:51 PM

Corn head grease is a good choice. It is what is called a non channeling grease. It is between the fluidity of 80w-90 and the non fluidity of grease. Meaning, it will move around, but not so liquid it will run past some worn seals.
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