ND-4.2*2 Internal combustion flexible shaft tamping machine is suitable for tamping operation of any rail-type railway line maintenance ballast. Its features are light weight and easy to operate. Tamping are of good quality and low failure rate and easy maintenance, the speed is fast, and the applicability is strong. Not only can be used for main line, but also the turnout, very suitable for railway ballast tamping operation needs.

This machine's characteristic is light weight and easy to operate. Tamping are of good quality and low failure rate and easy maintenance, the speed is fast, and the applicability is strong.