Giant-sized productivity based upon Hitachi's theory of evolution Twin Cummins diesel engines provide 2,600 HP Efficient E-P control system adjusts power for the work being performed Optimum Hydraulic Systems (OHS)TM ensures smooth and efficient implementation of simultaneous hydraulic operations A large bucket design enhances digging and loading operations Hitachi exclusive auto leveling system boosts productivity during leveling operations Rigid box design resists bending and twisting forces Rigid boom and arm includes cast iron boss with collar increasing the durability of the structures A Hitachi exclusive solid cast track frame improves strength and reliability