1.Introduction XZ3000 horizontal directional drilling rig is an integrated full self-loading design. It adopts a number of advanced control technologies such as closed energy-saving circuit, electro-hydraulic proportional control, load-sensitive control and our proprietary technology. The main performance parameters and control technology achieve To the international advanced level. The main components such as hydraulic system, transmission system, reducer, electrical control system …

1. Introduction The XZ400 HDD horizontal directional drilling machine is compact in structure and beautiful in appearance. It adopts a number of advanced control technologies and proprietary technology of the company. The main performance parameters and control technology have reached the international advanced level. The main components such as hydraulic system, electrical system and transmission system are selected from domestic …