Rear steering hydraulic cylinder - JD 6620

andy r · Sep 13, 2018

I noticed that the left steering hydraulic cylinder is leaking on my John Deere 6620 sidehill with the heavy duty rear axle. Looks like there is a snap ring on the rod end (open end) of the cylinder. Do the rod, piston, and end cap pull out after the snap ring is removed??? What is the procedure for disassembly and assembly? I know John Deere has the seal kits. Thanks.

Bob · Sep 13, 2018

Typically, if the snapring is INTERNAL, the "gland" can be removed after removing the snapring.

If it is EXTERNAL, remove it and tap the "gland" INWARD to expose a hidden INTERNAL snapring that needs to be removed so the "gland" can then be pulled out.

Dave from Texas · Sep 13, 2018

I had the same problem on a 6400. I removed the hose and pushed the snap ring off. The cylinder then came apart. Never figured out how to get it back on. The steering limited the travel so it works without the snap ring.

Rear steering hydraulic cylinder - JD 6620

andy r

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Bob

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Dave from Texas

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