Gen II 2025R Rockshaft Snap Ring Failure
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Thread: Gen II 2025R Rockshaft Snap Ring Failure

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    Gen II 2025R Rockshaft Snap Ring Failure

    Hi all!

    Yesterday I was moving around my ballast box in the driveway (had some pallets and the forks were coming in handy) and heard this mound snapping/popping sound.

    Looked at the back of the machine and everything seemed fine, then I went to raise my rockshaft and notice my mower deck wouldn’t move!

    Apparently the snap ring (40) failed by sliding off the shaft allowing the arm connected to the rockshaft to come loose sheering the fastener attaching it to the lift arm.



    Versus 2032R:


    I went to my Dealer and they didn’t have any snap rings for any 10.9 hardness M8x30 bolts. Needless to say I was peeved. I have 30.2 hours on my machine. Ended up sourcing a fastener elsewhere and reusing the snap ring to put everything back together.

    Have others with the Gen II 2025 experienced the same failure? Our rockshaft setup is IDENTICAL to the 1025R and 1026R. After some research I found out my 655 is like all other Deere (and the 2032R as well as GEN I 2025R, Gen II 2038R) and uses a BOLT and a WASHER in lieu of a stupid snap ring setup.

    Thinking my two options are get rid of the machine so it won’t happen again or remove the rockshaft lift shaft (10) and drill and tap it to replicate how the 2032R is put together.

    Sorry for the long post - saying I’m irritated is an understatement. In 33 years my 655 has never failed, my 30.2 hour 2025R had a hiccup to an infinitely stupid band under-engineered design.

    Interested to hear what others 1025R and Gen II 2025R folks have had.


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    Last edited by JDeere655; 08-11-2019 at 06:52 AM.
    1986 John Deere 655 MFWD, 54-Inch Mid-Mount Mower, 47-Inch Two-Stage Snowblower

    2019 John Deere 2025R, 120R Loader, 54-Inch AutoConnect Mower, 54-Inch Two-Stage Snowblower, iMatch Ballast Box

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    rtgt's Avatar
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    Man that sucks.

    I do recall that there were some similar issues posted by 1 series owners.

    Is the groove just not deep enough to hold the snap ring or is it a puny ring?
    kylew likes this.
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    Ray_PA's Avatar
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    I, and many others, have experienced the say thing with 1 series. When mine came off, I has seen pretty quickly it so I installed another snap ring before the lift arm came completely off.

    What I found. After that snap ring came off, I checked the other side and found, whoever installed the snap rings, installed them backwards. Yes, there is a right and wrong way to install a snap ring.

    All snap rings have a sharp side and rounded side, just like flat washers. The sharp side should face away from the components that the snap ring is holding in place.
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    eyeboltman (08-11-2019), Herminator (08-12-2019), JDeere655 (08-11-2019), rtgt (08-11-2019), Superglidesport (08-11-2019)

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    Senior GTT Super Slacker Gizmo2's Avatar
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    I do believe the 1XXX series had the same problem.
    https://www.greentractortalk.com/for...arm-issue.html
    Keith

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    Quote Originally Posted by Gizmo2 View Post
    I do believe the 1XXX series had the same problem.
    https://www.greentractortalk.com/for...arm-issue.html
    Yep... quite a few reports of failures from 1-series owners. I know the Gen-2 2025R shares many of the same components as the 1-series but it would have been nice if JD had taken steps to correct this known issue.
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    Sorry to hear about the problem. I haven't had an issue but after reading your post I'll try to do a visual inspection and keep an eye on it.
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    First off - thanks everyone for your replies!

    Secondly, as this is apparently a not so uncommon issue, has anyone drilled and tapped their Rockshaft to install a bolt and steel washer setup like other Deere machines have? As you can probably tell, Deere’s snap ring engineering doesn’t sit well with me.

    Additionally, does anyone notice a cant angle or radius on the mower deck lift arm (if you have mechanical mower lift) on the left side of the rockshaft? It is the same setup on the 1025R and 2025R. Mine doesn’t have an even space around and causes pressure to be applied laterally to the snap ring.

    Thanks!!



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    1986 John Deere 655 MFWD, 54-Inch Mid-Mount Mower, 47-Inch Two-Stage Snowblower

    2019 John Deere 2025R, 120R Loader, 54-Inch AutoConnect Mower, 54-Inch Two-Stage Snowblower, iMatch Ballast Box

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