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For bulldozers with hydraulic control, the dump is risen and drops using two or one hydraulic cylinder. Hydraulic cylinders are installed in the front of the machine, on her tuitioners. Due to the fact that the dump is forced, and with effort, you can flex the knife in any type of soil, even the most severe. At the same time, the position in which the dump was established is unchanged and makes it possible to carry out work under a clearly defined mark.