Larger boom and bucket cylinders and a one-class-higher reinforced linkage enable the ZX390TC-7 to carry five-tonne tools, such as hydraulic shears for crushing normally used by larger machines.
These days, even those beasts of the construction site – excavators – have a date with sustainability, despite the huge amount of electric power needed to operate a machine that pushes about high loads of dirt.
Komatsu is working on the development of a medium-sized hydraulic excavator equipped with hydrogen fuel cell system. The machine runs on hydrogen and features Komatsu-developed key components.
