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在毛主席无产阶级革命路线指引下,我厂与总字89001部队共同设计试制了W4-60型轮胎式液压挖掘机(见图1)。经性能、电测与工业性试验,证明整机性能良好,主要零部件基本过关,具有行驶速度快、机动性能好、作业效率高等优点,并于1974年10月经国家鉴定定型,现已投产。该机的试制成功,为我国的国防施工和土建工程提供了新装备,为我国的工程机械行业增添了一个新品种。
Under the guidance of Chairman Mao’s proletarian revolutionary line, our factory jointly designed and manufactured a prototype W4-60 hydraulic tire excavator with a total of 89001 troops (see Figure 1). Through performance, electrical measurement and industrial tests, it was proved that the whole machine has good performance and the main components are basically passable. It has the advantages of high speed, good maneuverability, and high operating efficiency. It was identified by the state in October 1974 and is now in production. The successful trial production of the aircraft provided new equipment for China’s national defense construction and civil engineering projects, adding a new breed to China’s construction machinery industry.