It is an advanced cutting tool used for installation and maintenance of water, gas, and oil pipelines; It is suitable for cutting pipes such as gray cast iron, ductile iron, and steel pipes. It has the characteristics of small size, light weight, easy operation, and can also be chamfered while cutting pipes. It can be operated with water and air, safe and reliable, and has a wide range of uses. The mechanical chain is used to fix the pipe cutting machine, and the sprocket on the main engine crawls on the fixed chain without the need for a guide track. This machine is driven by a hydraulic working pump station and a hydraulic motor, which performs cutting and crawling movements.