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Hydraulic Cylinder Repair Kit

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=77509
Printed Date: 02 May 2025 at 1:01pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Hydraulic Cylinder Repair Kit

Posted By: D&D
Subject: Hydraulic Cylinder Repair Kit
Date Posted: 24 Sep 2013 at 3:43pm

Looking for Seal repair kit for Allis Chalmers 715-C Backhoe Hydraulic Cylinder part # 1019079-1. It is the extension cylinder on the back of the hoe. Have kits for all cylinders but this one, any help would greatly appreciated. Thanks

Replies:

Posted By: steve(ill)
Date Posted: 24 Sep 2013 at 5:36pm

If you knew the piston diameter / cylinder bore.. and seal design, i would think a generic kit might work.. I have bought several kits from CASE dealer for a backhoe, and they come in a generic "kit" with enough various parts to fit different designs, as long as the bore is correct.

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Like them all, but love the "B"s.

Posted By: doctorcorey
Date Posted: 24 Sep 2013 at 5:52pm

call Kwik Parts in Williamsburg, Mo. They got my seal kits to me in 3 days. Tell em Corey from KC referred you. They order from multiple sources and ship direct to you.

Posted By: D&D
Date Posted: 25 Sep 2013 at 11:23am

Thanks Steve I will try that, appreciate your info.

Posted By: D&D
Date Posted: 25 Sep 2013 at 11:25am

Thanks also drcorey I will call to see if they can help. Appreiate your help and time responding.

Posted By: Coke-in-MN
Date Posted: 25 Sep 2013 at 12:06pm

Last time doing the cylinders on my 715B I got some parts from MINNPAR and others from a hyd shop that does repair work.

I just priced out the generic parts to OEM parts . I had to replace a piston in dipper cylinder and shop made one for 1/2 the price of original,they turned it out of aluminum instead of cast iron.

Many parts are interchangeable - like "O" rings and seals, in fact for my FD5 steering clutches the "O" rings were $12 each from F/A dealer and a ring supplier I use to use for industrial parts let me have 2 free sample rings from their stock to try . Worked perfectly .

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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."

Posted By: JC-WI
Date Posted: 25 Sep 2013 at 1:00pm

Local store wanted about 2 bucks an o-ring for my cylinders and I did a web search and came up with allorings.com . They had my rings listed at .16 cents apiece... But you had to buy a certain quantity, anyway I bought a 100 of them and 200 of another size (pioneer coupler size) and shipping was 14 bucks...

http://www.allorings.com" rel="nofollow - www.allorings.com

there's also another store you can buy in quantity...

http://www.rubberstore.com" rel="nofollow - www.rubberstore.com

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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."

Posted By: Mutt
Date Posted: 26 Jun 2017 at 8:19am

I have a Allis Chalmers backhoe hydraulic cylinder I need a seal kit for. Am told by the owner that is is a A-C MK 1 back hoe from the early 70's. I have the cylinder disassembled. The bore is 4". The piston has 3 grooves, lowest groove has a X ring, center groove a split band but the top groove , whatever kind of seal was in it is dried up and in a million pieces. I need some help on where I can find the seals for this piston, so I can get the guy's cylinder off the back of my truck. I can post pics of the cylinder and it's piston, can any one help me out here with where I can buy the parts? Thanks

Posted By: Coke-in-MN
Date Posted: 27 Jun 2017 at 10:44am

On the piston the top and bottom ring would be the same if the cylinder is double acting - that piece in between is a slide material or bearing to center the piston and allow those X rings to seal .
Should be able to find them at a hyd shop or MINNPAR
Other thing would be rod seal in the end gland that the rod passes through - should be inner and outer seal as well as a wiper seal for the rod .

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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."

Posted By: Mutt
Date Posted: 27 Jun 2017 at 10:49am

Thanks, I found the U cup seals at a place called H&D Distributing in Dallas . Guy was very helpful, We discussed the measurements and he had all 3 items. Now I need to find the packing for the ram

Posted By: JCS1
Date Posted: 09 Apr 2020 at 10:49am

Reviving an older post. Any idea who manufactured cylinders for the Allis Chalmers 715? I doubt Allis made their own. The seal kit I need from Minnpar is out of stock. The seals are available as separate items but they don't show a part number for the o-rings.