TheJL590-3 crawler hydraulic DTH driling rig is equipped with a Yuchai four-cylinder engine, with a light and durablestructure, easy operation and low maintenance cost. it is specially designed for scenes such as quarries, open-pit coal minescement mines, etc. lt can efficiently complete blasting holes and pre-spliting hole driling operations. lt has the advantages offast driling, large diameter and strong adaptability. t is widely used in building materials, coal, metallurgy, chemical industry,as well as construction, hydropower, ransportation, national defense and other engineering fields. lt is the main equipment inefficient mining and engineering construction.