Construction Machinery: Medium-Sized Excavator Komatsu

Model Aspiration
PC88MR-8 turbocharging, subsequent cooling of charging air by oncoming air flow
PC78US-6 turbocharging
PC78MR-6 Turbocharging with subsequent air cooling (by a cooling radiator)
PC50MR-2 natural aspiration
PC45R-8 natural aspiration
PC40 MRx natural aspiration