本机主要适宜在粘性土、砂质土和含水比高的松软地面上用于推土、运土、推填路基、兴建水利、修筑管线、平整场地和拖曳其他施工机具等作业。该机底盘采用了宽幅三角履带板,加长履带长度,接地比压小,能满足沼泽地施工要求。发动机曲轴头部增加聚四氟乙烯密封环,并配备全封闭起动电机。终传动、支重轮、托链轮和导向轮等采用了浮动密封环,改善了密 This machine is mainly suitable for operations such as pushing soil, moving earth, filling subgrade, constructing water conservancy, building pipelines, leveling site, and dragging other construction equipment on clay soil, sandy soil, and soft soil with high water content. The chassis of the aircraft adopts a wide triangle track shoe, which increases the length of the crawler and has a small ground pressure, which can meet the construction requirements of the marshland. A PTFE seal ring is added to the engine crankshaft head and a fully enclosed starter motor is provided. The final drive, the rollers, the carrier sprocket, and the guide wheel have adopted a floating seal ring to improve the tightness.