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黑龙江垦区开发建设30多年来,一直沿用着54、75马力级别的履带式拖拉机和与其相配套的农具,从事大面积田间作业。这个历经30多年没有根本变化的机器系统,虽在垦区建设和发展中起着历史性的作用,但随着农业生产的发展,在其适应性和经济性方面越来越明显地暴露了一些不容忽视的问题。70年代后期,国外大马力轮式拖拉机及其配套农具(简称大马力机组)的成套引进
Heilongjiang reclamation area development and construction of more than 30 years, has been followed by 54,75 horsepower level crawler tractors and its matching tools, engaged in large-scale field operations. This machine system, which has not undergone fundamental changes in more than 30 years, has played a historic role in the construction and development of reclamation areas. However, with the development of agricultural production, it has become increasingly clear that its adaptability and economy have not been clearly revealed Neglected issues. In the late 1970s, the introduction of a complete set of foreign large-horsepower tractor and its supporting tools (referred to as high-horsepower)