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4TJ-2简易甜菜挖掘机是由宁夏农垦科究所根据宁夏地区甜菜收获季节的特点,为甜菜种植者解决收获中最费力、费工的挖掘工序而研制的,该机已于1984年12月在宁夏通过鉴定。
4TJ-2 simple beet excavators by the Ningxia Agricultural Reclamation Institute based on the characteristics of Ningxia beet harvest season for the beet growers to solve the harvesting the most laborious, laborious excavation process and the aircraft has been in December 1984 Approved in Ningxia.