Komatsu's PC360LC-11 demolition excavator (foreground) and PC490HRD-11 demolition excavator (background).
Komatsu
Komatsu has introduced a range of four demolition excavators, previously available in Europe, to the North American market. The 80-ton PC490HRD-11 features Komatsu's K100 boom change system which makes set-up and switching between six different configurations easy. Oversized quick couplers on the hydraulic lines minimize back pressure and oil heating without restricting oil flow, while hydraulically powered pins inside the main boom structure reduce the risk of damage during reconfiguration.
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