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Product description:
YYTZ28-3/4 power pack:About 750 kg  weight, power consumption about 32 degrees per hour. And the Yunnan Tin Group  used this model for the main tunnel boring, has been complete the tunnel up to  3 kilometers during one year and the best tunneling rate of progress reached 330.4m in one month.

Model	Length×width×height      m	Weight      kg	Power      kw
YYTZ28-4	1.5×1.1×0.9	750	37