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Liebherr’s HS 8300 HD for Italian Customer

Posted on September 28, 2015

Liebherr has just announced that their first model of the HS 8300 HD, the largest duty cycle crawler crane of Liebherr’s well-known HS series, has been sold to the Chioggia (Italy) based customer Zeta S.r.l.

This piece of equipment will be installed on a ship for various dredging jobs in the Mediterranean Sea and it will be part of the equipment of a 41,000t heavy ship manufactured by Cantiere Navale Vittoria S.p.A, which can be classified as hopper dredger ship.

This ship is intended to maintain navigable waterways in the Mediterranean Sea, especially trough deepening those canals that are seriously threatened of becoming silted.

The strong upper-carriage of the HS 8300 HD is ideal for the high dynamic loads that have to be withstood during maritime operations like dredging. This not only means higher effective performance for the user but also reduced wear and correspondingly longer service life.

Mounted on a pedestal the crane has a weight of about 240t. It is equipped with a main boom of 41m and an underwater two-rope hydraulic clamshell with a capacity of 20m³.

For optimum performance the crane is fitted with two hydraulic free-fall winches offering approximately 50t of line pull each. The winches are outstanding in their compact design and easy assembly. The duty cycle crawler crane offers a maximum dredging depth of 25m with hydraulic grab and up to 200m depth with mechanical grab.

The dredging depth can be automatically preset, thus regulating the maximum depth and ensuring flat dredging.

Powerful hybrid drive Pactronic®

The HS 8300 HD is the first construction machinery of Liebherr to be equipped with the hydraulic hybrid drive Pactronic®. This innovative hybrid drive based on hydraulics offers both economic and ecological advantages.

Surplus energy is stored and subsequently regenerated so increasing the material handling capacity, while at the same time significantly reducing fuel consumption.

Both conventional V12 diesel engine offering 725kW and the hybrid drive combined achieve a system power comparable to a conventional drive system with 1,250kW.

Apart from dredging the HS 8300 HD is suitable for a number of other material handling jobs such as dragline operation or equipped with an orange-peel grab.

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