CT—1.8型牵引式单轴铲运机是锦州市农机所研制的。一九七三年上半年研制出第一台样机,一九七三年下半年和一九七四年先后进行了三次改进,又制出了两台样机。一九七四年十一月样机参加了省农田基本建设机具选型会,定为小批生产,多点试验。一九七五年春,该机进行了大面积生产考核,反映作业效果好,能够满足农田基本建设平整土地的需要。一九七五年十月又参加省农田基本建设机具鉴定会,会 CT-1.8 type traction single-shaft scraper is developed by Jinzhou Agricultural Machinery. The first prototype was developed in the first half of 1973, three improvements were made in the second half of 1973 and in 1974, and two prototypes were made. In November 1974, the prototype participated in the selection and construction of provincial farmland infrastructures and machinery and set it as a small-batch production and multi-point test. The spring of 1975, the aircraft carried out a large area production assessment, reflecting the operating effect is good, to meet the needs of farmland construction of the land leveling. In October 1975, he participated in appraisal meeting of provincial farmland capital construction machinery and equipment