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20世纪 80年代初期 ,我国从美国迪尔 (ＪｏｈｎＤｅｅｒｅ)公司引进了 4 4 50 ( 118ｋＷ )轮式拖拉机的制造技术。经过十几年的消化、生产与改进 ,该产品在我国已得到用户肯定。在这十几年的生产过程中 ,发动机及整机的电器部件一直从美国购进。如今 ,迪尔公司已停产该发动机 ,
In the early 1980s, China imported 4 4 50 (118kW) wheeled tractor manufacturing technology from John Deere. After more than ten years of digestion, production and improvement, the product has been affirmed by users in our country. In this more than 10 years of production process, the engine and the electrical components of the machine has been purchased from the United States. Today, Deere company has discontinued the engine,