25m Depth Rock Drilling Machine

25m Depth Crawler Rock Drilling Machine With 2-cylinder Diesel Engine Description: KG910A is one type machine improved from KY100J . It works in open air.On KY100J base , KG910A optimize and upgrade the hydraumatic system , the part of drill boom and part walking so on . It has better function than KY100J , for example : more motor , stronger gradeability ,more reasonabledrilling angle , faster rotation and propulsion speed and so on . Its horse power life is longer and