How standard is a category 1 3ph?

   / How standard is a category 1 3ph? #11  
Xskier seems to have it figured out. It sounds like you've got a Cat 0 tiller, which is surprising. I think I would start out buying or fabricating some pins that could go outside the hitch to widen it.

If the tiller is Cat 0, the pins will be 5/8" instead of 3/4" (or metric equivalent), and that'll be a dead giveaway.
 
   / How standard is a category 1 3ph? #12  
   / How standard is a category 1 3ph? #13  
looking at the other tillers available on those sites, their heavy duty line has a much
wider spread, and the pins are on the outside of their frames.
since you can get the tiller on the tractor, you may really just need to
find a way to improve the sway links to allow the arms to be in that narrow
position and control the sway. look at your sway control turnbuckle, and maybe
you can drill another hole for the anchor in the lower link to allow your turnbuckles
to reach?
maybe somebody else has a simple solution, here's the parts pic of your 3ph and the
turnbuckles:
 

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   / How standard is a category 1 3ph? #14  
Could you rig up sway control chains, on the inside of the lift arms, going to the tractor's frame-mounted drawbar (assuming it has one) or some part of the frame?
 
   / How standard is a category 1 3ph?
  • Thread Starter
#15  
Thanks for all the help, much appreciated!
Done some measurements on the top and lower pin’s: they match the category 1 sizes mentioned in bcp’s table (top is 19mm=3/4inch, bottom is 21mm, about 7/8 inch). So the pins indicate that the tiller is a cat 1, as is the 2305 (limited is no issue, since it can be lifted high enough).
Strange thing is that the spacing of the tiller is not category 1, although advertised as cat 1 and 2…..
Mounting the arms on the outside does not work: 1) the pins that come with the tiller are too short to do this, and 2) the strange green handles are in the way.
I tried to use the JD bar (you can see it lying on top of the tiller) that is used to lock the arms when not in use, but because of the handles I cannot move the arm over bar.
So alternative 1 is remove the 2 handles (don’t know what they are for), and use the JD bar, and some spacers that came with the tiller to install the arms on the outside (although my girlfriend doesn’t like me sawing some parts of the new tiller ;-),
Alternative 2 is like Dutch445 suggests to drill additional holes to attach the turnbuckles, so they can ‘fix’ the tiller.
Alternative 3 is to attach additional chains to ‘fix’ the tiller like joshuabardwell suggest (if I understand correctly).
At the moment alternative 1 seems the most obvious to me, also it increases the arm spacing, and thus stability.
Alternative 4 is to have the JD dealer do some welding and increase the arm distance. Only thing is that it’s a nice jobs to get the 100+ kilo tiller to the dealer….
Thanks again for all your help and suggestions. I will let you know how this is resolved.
2013-08-07 15.54.03.jpg2013-08-07 11.47.41.jpg
 
   / How standard is a category 1 3ph? #16  
Just for kicks, have you contacted the MFG, or who ever you bought it from about the discrepancy??
 
   / How standard is a category 1 3ph?
  • Thread Starter
#17  
Yep, contacted them. They state these tillers fit kubota (like the BX 1860) without any problems.....
 
   / How standard is a category 1 3ph? #18  
It seems like the issue is not necessarily the fit to the three-point, but the ability to stabilize the three-point after the implement is fitted. This may be the distinction the manufacturer is relying on.
 
   / How standard is a category 1 3ph? #19  
I still would have thought that if they advertised it as cat I, then it would have 26" spacing and not the 20" of a cat 0
 
   / How standard is a category 1 3ph? #20  
Yep, contacted them. They state these tillers fit kubota (like the BX 1860) without any problems.....

What you have is a cat 0 implement with cat 1 pins. They should have built the hitch with 3 tabs on each side instead of 2. The inner pair for cat 0 and the outer pair for cat 1.

The "handles" look like guards to keep legs and feet away from the blades. I would bend them up so the long rod and the draft arm clear.

Bruce
 

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