HITACHI has unveiled the largest Zaxis-7 model in its super long front excavator range.
The ZX490LCH-7 HE16LD with 16m reach has a longer boom and arm and heavier counterweight than the standard ZX490-7 model.
Hitachi described the digger as ‘ideal’ for excavation work, as well as dredging rivers and lakes, bank maintenance and lighter, slope-finishing tasks.
Due to the proportions of the boom and arm, the 49-tonne model can also be used for loading, as trucks can be positioned close by.
Assembled at HCME’s factory in Amsterdam, the special application machine has been designed to meet the needs of European customers.
Productivity on site is tipped to rise due to an improved production of 7% (in PWR mode) for the ZX490LCH-7, which has the same size engine as the larger ZX690-7 model. An improved front speed for loading also increases productivity thanks to a new HIOS V hydraulics system.
Fuel efficiency can be controlled by using the new ECO gauge. The ZX490-7LCH SLF is Stage V-compliant thanks to the combination of the SCR (selective catalytic reduction) system, DOC (diesel oxidation catalyst) and CSF (catalysed soot filter).
New cab features include the synchronised motion of the seat and console to reduce fatigue, and the adjustable console height with three positions to choose from. The adjusted boom and arm speed (hydraulic flow) is said to allow for a ‘smooth’ performance, while the hi-res anti-glare 8” screen is designed to be easier to view.
The Aerial Angle camera system provides a 270-degree bird’s-eye view and users can choose from six image options to see the machine’s immediate environment. When working in challenging conditions, LED work lights and a windscreen wiper with increased sweeping area improve visibility.
To boost stability, the ZX490LCH-7 SLF has a heavier HD- counterweight (9.8t) and 500mm extendable undercarriage.
The quality of the engine and hydraulic oil is monitored by a Hitachi innovation. Two sensors detect if the oil quality has deteriorated and data is transmitted to Global e-Service.
“This is the latest addition to our super long front product range, which ranges from eight to 50 tonnes, and from 10 to 22m reach,” said Burkhard Janssen, product manager special applications and new technologies at Hitachi Construction Machinery (Europe) NV.
“It shares many of the advantages of our Zaxis-7 large excavator range, offering an enhanced experience in the cab for operators, and improved productivity and fuel efficiency to help owners improve their profits. It is also provided with life-cycle support from Hitachi, ensuring ultimate peace of mind.”
