Doosan Infracore released new models DX75 and DX120 in response to high demand for mid- and small-sized excavators spurred by urbanization in China. The DX75 excavator is an 8-ton economic model with excellent performance and high fuel efficiency. It features an improved cab interior and increased visibility for the oeprator. The DX120 excavator is environmentally friendly and highly competitive, as it is equipped with the Tier-III engine. It boasts low engine speed, high torque and the highest turning speed. It is optimized for construction in urban areas that allow only limited maneuvering space.