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  1. #1
    Silver Member
    Join Date
    Feb 2004
    Posts
    152
    Location
    Southwest Louisiana
    Tractor
    L4740, GR2120

    Default GR2120 creeping

    Did a search, couldn't find any posts, wondering if I am the only GR2120 owner with this problem? Did fifty hour service, fairly sure I got all the zerks, even greased the service manuel in the zerk search process. IIRC, creeping began shortly after, greased linkage zerks again at maybe seventy hours, this seemed to help for a while, but did not stop the creep. Now have 95 hrs and don't know weather I should try greasing again, or what.
    Had previously used either the Lucas, or the Mystic brand of grease, same stuff that I use on my 18 wheeler, don't think the grease itself is an issue, but I recently switched to the Schaeffers brand of synthetic, and will try that before next grass cutting.

    Would like to resolve this, so any suggestions or advice would be appreciated,
    thanks in advance.
    "Life is tough, but it's a lot harder if you're stupid!".......John Wayne

  2. #2
    Platinum Member kcender's Avatar
    Join Date
    Mar 2010
    Posts
    687
    Location
    Nova Scotia
    Tractor
    B2620 GR2120

    Default Re: GR2120 creeping

    What do you mean by creeping?

  3. #3
    Veteran Member CHDinCT's Avatar
    Join Date
    Jul 2008
    Posts
    2,355
    Location
    Connecticut
    Tractor
    Kubota BX25

    Default Re: GR2120 creeping

    Sounds like it needs a linkage adjustment of some sort. Don't own a GR so I can't give you any specific help, but I'd follow your HST pedal linkage back to the transmission and see if there's any adjustments available - springs, trunions, damper, etc. Sounds like it's not going back to dead neutral. Doubt it's a grease issue if you've greased it good already.
    Chris

    2 acres and a mule, er, Kubota BX25, and too many other toys,er, tools to list.

  4. #4
    Silver Member
    Join Date
    Feb 2004
    Posts
    152
    Location
    Southwest Louisiana
    Tractor
    L4740, GR2120

    Default Re: GR2120 creeping

    Thanks for the replies
    By creeping I mean taking your foot off the hydro pedal, and instead of going into neutral, it will continue "creeping" in the direction it was previously traveling.
    "Life is tough, but it's a lot harder if you're stupid!".......John Wayne

  5. #5
    Silver Member
    Join Date
    Dec 2000
    Posts
    184
    Location
    SW Ontario, Canada
    Tractor
    GR2120 L3240(sold) B1700(sold)

    Default Re: GR2120 creeping

    Quote Originally Posted by CHDinCT View Post
    Sounds like it needs a linkage adjustment of some sort. Don't own a GR so I can't give you any specific help, but I'd follow your HST pedal linkage back to the transmission and see if there's any adjustments available - springs, trunions, damper, etc. Sounds like it's not going back to dead neutral. Doubt it's a grease issue if you've greased it good already.
    Like he said. Just a matter of adjustment of the linkage. Check for missing springs too

  6. #6
    Silver Member
    Join Date
    Feb 2004
    Posts
    152
    Location
    Southwest Louisiana
    Tractor
    L4740, GR2120

    Default Re: GR2120 creeping

    Quote Originally Posted by Pete6114 View Post
    Like he said. Just a matter of adjustment of the linkage. Check for missing springs too
    Thanks Pete;
    What is puzzling, is that it worked great for the first season (approx), don't remember when it began this, but it did get gradually worse. Will check for any missing springs, but maybe an adjustment is needed after the "wear in" period. Have previously owned blue, yellow and white, green, red, and another orange mower, all hydros, with no problems in that area. That being said, I consider my 2120 to be one of the best mowers I have owned. Previous mower was a gas model-18## series, can't recall the exact model but think it had a 44" deck with counter rotating blades which was not kubota's greatest idea. What it did have was a shock absorber suspension for the body- really made a difference in the ride!!!
    If the 2120 had that set-up, would consider kicking out the dog and letting the Kubota sleep at the foot of the bed.
    "Life is tough, but it's a lot harder if you're stupid!".......John Wayne

  7. #7
    Silver Member
    Join Date
    Dec 2000
    Posts
    184
    Location
    SW Ontario, Canada
    Tractor
    GR2120 L3240(sold) B1700(sold)

    Default Re: GR2120 creeping

    Just noticed mine doing that creeping thing too, when i backed it into the shop. I keep it close to my bike and almost backed into it, because it kept creeping....going to check into this myself. I have 48 hours on mine now. As with everything, adjustments are normal after break-in. Let us know how you fix yours!
    I'll start off by lubricating all the linkages and friction points to rule sticking out.
    Last edited by Pete6114; 04-05-2014 at 04:13 PM.

  8. #8
    Silver Member
    Join Date
    Nov 2004
    Posts
    247
    Location
    Overland Park, Kansas
    Tractor
    Ford 1100, MF135, MF65

    Default Re: GR2120 creeping

    Neutral adjustment is done with an eccentric bushing just inside of the left rear tire. It has a 12 or 13 mm head bolt that you loosen and a slot that you insert a large screwdriver into to turn slightly. Before you attempt to adjust neutral jack up and block drive wheels off the ground, front axle also on powered front axle models. All G and F series use this method. With unit running adjust until wheels do not turn in neutral, stroke pedal back and forth to double check.
    The eccentric on an F series is right behind the battery on right hand side.

  9. #9
    Silver Member
    Join Date
    Dec 2000
    Posts
    184
    Location
    SW Ontario, Canada
    Tractor
    GR2120 L3240(sold) B1700(sold)

    Default Re: GR2120 creeping

    thanks whitetiger....very helpful tip

  10. #10
    New Member
    Join Date
    Jun 2014
    Posts
    2
    Location
    Greenbank,WA
    Tractor
    Kubota GR2120

    Default Re: GR2120 creeping

    Quote Originally Posted by droy View Post
    Thanks for the replies
    By creeping I mean taking your foot off the hydro pedal, and instead of going into neutral, it will continue "creeping" in the direction it was previously traveling.

    Local kubota service mgr, says Kubota service reps are starting to recommend syn oil in transmission case, ask you Kubota Service Manager...

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