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Old 02-22-2007, 11:03 PM   #1 (permalink)
dfkrug
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Join Date: Feb 2004
Location: NorCal
Posts: 2,406
Default yet another custom backhoe subframe

Here is another of my full custom backhoe subframes....this time
for a Kioti CK30. This one was my hardest and most ambitious so far.
I have now done full custom subframes for an L2500, two JD 955s (2
diff kinds of subframes), a CK30, and a factory old style subframe from
Woods for an L2550.

A goal for this project was first to get the best subframe I could
do for this tractor. Not all the best criteria were compatible, however.
e.g. the quickest attachment method may not be the tightest. Anyway,
after building a few different kinds of frames and carefully evaluating
factory frames, I decided on this implementation. I have modeled my
subframe after the tightly-coupled frames you may see on a small
commercial-duty machine like the L39 or even a larger CASE 580. Mainly
this means a "4-pt" attachment with some sort of alignment aid at
the lower section of the subframe. The hoe is tilted into the lower
part and secured with bolts or pins at the top. I went with bolts, since
they allow less wiggling. Professional machines also mount the hoe as
close as possible to the back of the tractor. I have done this, too.
There is no use of the 3-pt bracket to secure the hoe. Finally, I
wanted the 3-pt arms to not have to be removed when the hoe is
mounted.

The CK30 was tough to do, due to all the exposed hydraulics underneath.
Now they are pretected!

These pix are the results. There is no detectable wiggle or flex, I
am happy to report.

I may try one of Woods' new 4-pt frames for another Kioti this summer.
Then I will have more to compare it to.
Attached Images
File Type: jpg PrairieDog_r.jpg (124.6 KB, 1166 views)
File Type: jpg CK30_sub_r_1.jpg (71.7 KB, 1075 views)
File Type: jpg CK30_sub_r_2.jpg (96.7 KB, 856 views)
File Type: jpg CK30_sub_r_3.jpg (50.4 KB, 753 views)
File Type: jpg CK30_sub_ft_1.jpg (89.6 KB, 696 views)
File Type: jpg CK30_sub_ft_2.jpg (76.0 KB, 666 views)
File Type: jpg CK30_sub_ft_3.jpg (72.5 KB, 667 views)
File Type: jpg CK30_sub_mntd_1.jpg (47.1 KB, 720 views)
File Type: jpg CK30_sub_mntd_2.jpg (72.9 KB, 854 views)
File Type: jpg CK30_sub_mntd_3.jpg (43.1 KB, 730 views)
File Type: jpg CK30_sub_mntd_4.jpg (133.8 KB, 939 views)
__________________
See my TBN projects at:
http://mysite.verizon.net/resyfcgt/
Kubota B21 rebuild
1 cy FEL bucket
custom b/h thumb
custom b/h subframe
Diesel fuel dispenser
Bucket dentistry
custom hydraulic b/h thumb
adapting a 4-in-1 bkt to my Kioti
JD 4300 rebuild (new!)
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