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  1. #1
    Bronze Member
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    Finger Lakes, upstate NY
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    Kubota L3940HSTC, LA724, BH92

    Default Reverse tiller rocks gonna bust up my cab

    I'm running a reverse-tine Sicma (Phoenix) tiller behind my L3940HSTC. It's their extreme heavy-duty model T10R-66GE, (or, outside of the states: RCS/165). Both tiller and tractor work great. But the reverse rotation is kicking dirt and stones up onto and into the back of the tractor. Some of the rocks are surprisingly big. Every once in awhile, one wings forward so violently, I know it's just a matter of time before one takes out my small lower rear cab window - or worse, the large one. I can also see it causing other problems, with rocks getting jammed in the travel path of the 3-pt. up and down, etc.

    I've am already designing a guard to keep this from happening. (It doesn't appear that the maker has anything listed along the lines of such a guard.) But I just wondered if anyone else has had this situation with the reverse tillers, and what they did about it.
    Last edited by Lefty7; 06-07-2012 at 09:41 AM. Reason: added tiller model #
    "Any society that would give up a little liberty to gain a little security will deserve neither and lose both" - Benjamin Franklin

  2. #2
    Veteran Member
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    Feb 2011
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    1,743
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    Trivoli, IL
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    SSTT (Sideways Snake Tain Tractor) and STB (sideways train box) tractor, dirt harvester

    Default Re: Reverse tiller rocks gonna bust up my cab

    post some pictures of tiller you have, and hooked up to tractor as well. you will more likely get a few more folks to respond if you do.

    there has been a few threads i remember seeing over the years of folks making different type of shields. but being able to see the actual tiller (top side) and under side of were you could mount something. and then hooked up to tractor. can really help folks visualize things better.
    Ryan

  3. #3
    art
    art is offline
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    central New York
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    all makes and models

    Default Re: Reverse tiller rocks gonna bust up my cab

    Is the tiller running level? I'd thnk that the front gaurd should be catching them. On another note, with stones I only recommend the forward till!

  4. #4
    Elite Member Baby Grand's Avatar
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    3,283
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    Windsor, CT.
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    L3240GST, B2320HST, B5100D & G5200H

    Default Re: Reverse tiller rocks gonna bust up my cab

    Quote Originally Posted by art View Post
    Is the tiller running level? I'd thnk that the front gaurd should be catching them. <snip>
    My thought, exactly. If it is level, then maybe something like the guards from a rotary field mower would work - either chains or the rubber strip kind.
    That's the problem with trouble.
    It always starts out as such fun."
    - Randall Brown

  5. #5
    Super Member crazyal's Avatar
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    Northern Vermont

    Default Re: Reverse tiller rocks gonna bust up my cab

    Could you mount some chain link fence or a piece of plywood to the 3pt arms? Did you try adjusting the feet to lower the tiller into the ground further?
    Kubota L4240,Case 580K backhoe, Case 450 Dozer

  6. #6
    Bronze Member
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    Finger Lakes, upstate NY
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    Kubota L3940HSTC, LA724, BH92

    Default Re: Reverse tiller rocks gonna bust up my cab

    Thank you all for your suggestions.

    One problem I had, I think, had to do with the level. It looked good before being lowered into the soil, but I noticed that once it was lowered, the front pitched up somewhat. So today I shortened up the top link to correct this. That helped some. Also, I have an ongoing issue (that I'm temporarily ignoring) with the drive shaft being about 2' too long, so the unit is riding a little farther back behind the tractor than it should. This I will deal with once it is removed, and the combination of those two factors, the leveling and having it a bit closer to the tractor, should help alleviate this situation, if not correct it. I may try adjusting the feet to get it down further, but I'll wait on that, as I'm very happy with the way it's operating in that regard.

    But I'm still thinking about building a guard or shield if it's necessary. It's a very heavy tiller, and there's plenty of potential for mounting something to the front of it, and still keeping it out of the way of the 3-pt. movement and shaft.

    I will be using it again in the next few days to test these adjustments, and will report. Thanks for your help.

    P.S. THE DRIVESHAFT IS NOT FULLY COMPRESSED. I HAVE AT LEAST 1" AVAILABLE (WHEN IT'S AT IT SHORTEST) BEFORE THAT HAPPENS. BUT UNTIL THE SHAFT IS SHORTENED, THE LOWER ARMS LONGER THAN WOULD BE BEST. AS THEY CONNOT RETRACT ANY FARTHER UNDER USE, THERE IS NO POTENTIAL FOR THE SHAFT TO BOTTOM OUT.
    Last edited by Lefty7; 06-08-2012 at 08:24 AM. Reason: added P.S. to clarify
    "Any society that would give up a little liberty to gain a little security will deserve neither and lose both" - Benjamin Franklin

  7. #7
    Silver Member
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    B3030HSDCC, Oliver 77, JD LX288

    Default Re: Reverse tiller rocks gonna bust up my cab

    Quote Originally Posted by Lefty7 View Post
    Thank you all for your suggestions.

    One problem I had, I think, had to do with the level. It looked good before being lowered into the soil, but I noticed that once it was lowered, the front pitched up somewhat. So today I shortened up the top link to correct this. That helped some. Also, I have an ongoing issue (that I'm temporarily ignoring) with the drive shaft being about 2' too long, so the unit is riding a little farther back behind the tractor than it should. This I will deal with once it is removed, and the combination of those two factors, the leveling and having it a bit closer to the tractor, should help alleviate this situation, if not correct it. I may try adjusting the feet to get it down further, but I'll wait on that, as I'm very happy with the way it's operating in that regard.

    But I'm still thinking about building a guard or shield if it's necessary. It's a very heavy tiller, and there's plenty of potential for mounting something to the front of it, and still keeping it out of the way of the 3-pt. movement and shaft.

    I will be using it again in the next few days to test these adjustments, and will report. Thanks for your help.
    I wouldn't be using it until that driveshaft is made to be the correct length. You don't want to break your tractor's PTO, do you?

  8. #8
    Bronze Member
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    Kubota L3940HSTC, LA724, BH92

    Default Re: Reverse tiller rocks gonna bust up my cab

    Quote Originally Posted by Earl Ohl View Post
    I wouldn't be using it until that driveshaft is made to be the correct length. You don't want to break your tractor's PTO, do you?
    I understand your concern - and I knew when I mentioned this, the reader would not understand that the shaft is not compressed max. But to operate the unit without these concerns, I have the lower 3-pt. arms longer than I'd like - or would be optimum for best up/down travel. (Once the shaft it shortened, I will also shorten up lower arms.) There is no danger in breaking the PTO, only damage from the forward-kicking debris.

    Thanks again, Earl Ohl.
    "Any society that would give up a little liberty to gain a little security will deserve neither and lose both" - Benjamin Franklin

  9. #9
    Bronze Member greenrider1's Avatar
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    Nov 2011
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    Dryden, NY
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    Kubota L5740 HSTC

    Default Re: Reverse tiller rocks gonna bust up my cab

    I would get one of the heavy rubber horse mats from Tractor Supply, and make a flexible guard for the front. They have 3'x5'x1/2" thick mats for $22. They also have 4'x5'x1" thick mats. Cut with a sharp knife, or circular saw, drill holes, and bolt on. Should be heavy enough to knock down the big rocks, easy on the budget, and easy to fabricate.

    I just made a wide stone guard for the back of my truck (mounts on hitch for easy removal) for when I tow my boat using one of these mats.
    Kubota L5740, LA854 loader w/ QA bucket

  10. #10
    Gold Member AStanton's Avatar
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    North Central, CT

    Default Re: Reverse tiller rocks gonna bust up my cab

    My local feed store sells heavy duty rubber mats for horse barns and such. They are about 1" thick and 3ft X 4 ft. Maybe you can buy one of these mats, cut it up and use it to deflect any wayward rocks. Just a thought.

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