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Where to get seal kit for original maxjax (NON-Revised version)?

NewShockerGuy

Well-known member
Joined
Oct 12, 2010
Messages
2,481
Location
Northern Virginia / DC
Seems like my maxjax from 2011 has been revised. Because the seal kit that I had sitting around for the one cylinder is clearly different that what I have. I did a little digging and it appears that after 2011 Dannmar revised the cylinder.

So now I have a cylinder that leaks but can't find a rebuild kit for the original build date/serial of mine. The kit that I have everything is too large. I called some local shops and they are wanting around $250 or so to rebuild or figure out what is needed. A new cylinder from maxjax is $400.... so I can't see spending that much when I can just get a new cylinder. However I just need the seals..lol and would have no problem rebuilding it.

Anyone run into this issue? Cause seems super silly to throw this out for $80 worth of seals.

I've attached a couple pictures.

maxjax information.jpg

cylinder top size.jpg
seals_newleft_oldright.jpg
lowercap.jpg

maxjaxrebuild.jpg

I think the main problem is my green lower seal just gave out. That's fine. But while everything is apart I figured re-do it all

My cylinder has two spots for gaskets/rings, and the things I've finding online the revised it to 3.

I've attached what the revised one looks like:
revisedcylinder.JPG

Thanks,
-Nigel
 
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MikeC55

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Joined
Nov 1, 2020
Messages
434
Location
CT
Did you ever resolve this, Nigel? I need to tackle my leaker.
 

Rockable

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Joined
Jan 6, 2019
Messages
492
Location
Oak Ridge, NC
Generally, you can go to a hydraulic cylinder repair shop and get seals matched up to what you have. Take the piston with you.
 

MikeC55

Well-known member
Joined
Nov 1, 2020
Messages
434
Location
CT
Yea, that's what I'll end up doing. I was hoping to have the parts before tearing it apart, but I do have a local hydraulics shop, so not a big delay.
 
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mossback

New member
Joined
Jun 12, 2024
Messages
1
I have just ordered seals after looking at them a lot via McMaster and SVIinternational who has a kit, but it is not quite what I have; the seal looks right, but most other parts, like yours, do not fully match up. The U cup is: 41.27x50.8x7.98, and 123bearing, was able to cross ref these: UP-41.27X50.80X4.76-NBR90 (10x in stock) or this: UT-41.27X50.80X7.93-PU94 (1x in stock)
 

realien

Well-known member
Joined
Apr 24, 2017
Messages
63
Location
Atlanta
I have a 2016 Maxjax mx6, they harder the stops rather than the bars. Does anyone know if the original seals fit or if anyone makes a kit for the mx6 ?
 

realien

Well-known member
Joined
Apr 24, 2017
Messages
63
Location
Atlanta
I used the seals from HCRCrow and they fit the MX6 fine. Getting on of the seals one was a pain but heating the seal in hot water and then using a little trans fluid it eventually got on there..


the main seal was in bad shape, the lower seal looked pretty good.
 

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