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MM parts needed: Please check

T

T.R.K.

Well-known Member
Trying to revive a 10A79 hydraulic cylinder that has been left in the weather too long. The piston rod is badly corroded where the seal held moisture against it. I am in need of:

11A25 piston and rod assembly
10A108 o-ring
10R79 gasket (pack of 2)
10A30 o-ring oil seal
JT328 felt retainer.

I am guessing the 11A25 piston/rod is going to be the killer. And I don't know why MM didn't make them separate part numbers.

Thanks!
Kelvin (T.R.K.)
 
Here is one for sale. I believe he is a dealer and sells parts too. He might have what you need.
1 920 295 3278

https://www.facebook.com/commerce/listing/523544158877420/?ref=share_attachment

This post was edited by larry Mi on 06/25/2021 at 12:48 pm.
 

Welters should have most of the parts. If the ram is just pitted so it doesn't seal, you can use JB Weld on it. My dad's MM cylinder leaked in that spot every time we had the cylinder closed. I wire brushed the spot and used JB Weld on it, filed and sanded it smooth. Worked perfect. If it is too badly damaged you can have a machine shop make a new shaft out of hardened rod (not chrome). The only thing you have to do with them is paint the end behind the clevis a couple of inches and keep the cylinder closed to prevent rust. I had 2 of the 2 1/2" cylinders like yours done that way.
 
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