Hitachi excavators are part of Hitachi, Japan, and with the efforts of its joint venture subsidiary (Hitachi Construction Machinery Group), Hitachi has developed and produced a number of first-class construction machines based on its extensive experience and advanced technology. . Hitachi Construction Machinery, with its nearly 100 years of machinery manufacturing experience and strong technological development capabilities, has produced a series of hydraulic excavators of various models ranging from 0.5 to 800 tons.
The key parts of the big and small arms of DOOSAN DX225 are made of integrated casting, which increases the thickness of the steel plates in key parts and improves durability and reliability.