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Hi guys, I want enlightenment! lol.
In my experience most products that come out of China are either direct copies, or mix and match of copied parts. As in my Loncin motobike engine is a very direct copy of a Honda and most parts are interchangeable. The same can be said of most Chinese tools, small engines, and equipment. Take the Dongfeng (Eastwind) EQ2050No HMMWV copy for example. No problem and sometimes it can be quite handy as most of the machine may well be good enough, but some small part my not be good enough quality, and repeatedly fail, but you can fit a genuine Honda or whatever part and solve the problem.
Now my little Guilin 252L dozer is entreaging me, is it a copy? If so, of what? I can't find anything else like it…
I was half dreading working on it because I feared what I might find regarding quality and design, but I have been very pleasantly surprised, it is simple, surprisingly clever, and pleasant to work on.
So what is the background to these little dozers? Are they copying anything? Are they design wise a tractor converted to a dozer, and if so what was the tractor a copy of? Kabota?
I look forward to learning more about these little machines.
Cheers.
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Afraid I can’t be of much help with the history of the Guilin dozer other than it was obviously named after the city where it was manufactured, and was purchased by Yuchai sometime in the late 90’s. I can’t say for sure if it copied the JD 310 or Komatsu D20, but there are a whole fistful of small dozers to copy from, if in fact they did.
The over-center clutch design has been around before the beginning of the bulldozer, and has history in marine transmissions that go back to the days of the original landing crafts of WW ll. Also used in PTO's.
I cannot tell you how many different ones I’ve worked on over the years, but the operating principles are the same. I can tell you that you won’t be able to adapt your shuttle clutch without significant discomfort to your body and wallet. Sorry.
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