What makes the Hitachi zx120-3 construction machinery so good?
What makes the Hitachi zx120-3 construction machinery so good? Excellent visibility Enhanced controllability Lower noise level Rear view camera (Optional) Theft deterrent system • Reduced running costs: Lower fuel consumption per m3 Improved durability and reliability HIOS II hydraulic system New electronic controlled diesel engine Operator comfort High... Is the Hitachi 120-3 excavator has hydraulic problems? Discussion in ' Excavators ' started by tommurphy73, Dec 8, 2017 . I have a Hitachi 120-3 excavator which has hydraulic / electronic problems. The machine has very slow hydraulics including the track motors. It operates a little like the excavator in this video...