Leibherr India New TOP-SLEWING Cranes

Liebherr has unveiled the NC-B cranes, a new series of top-slewing cranes with a flat-top design at the recently concluded BaumaConexpo India. The first two models in the new series – NC-B 9-62 and NC-B 6-62 – can cover a wide range of construction projects. The 9T version is ideal for hoisting heavy prefabricated components whereas the 6T NC-B 6-62 crane is perfect for erecting tower blocks in inner city areas where they work with low load weights but enormous hook heights.

The new 16 EC tower system has been developed for these cranes. The cranes also have a new, variable climbing system. The new concept includes a large number of time-tested elements from existing Liebherr top-slewing cranes.
Liebherr manufactures cranes tailored to suit the local market in India at its LiebherrCMCtec India Private Limited site opened in 2012 in Pune, ensuring short lead times whilst still using time-tested, high-quality German technology.

The new 16 EC tower system with external dimensions of 1.60 m x 1.60 m was developed for the new NC-B cranes. As usual with tower systems in these classes, the tower sections are connected using pins and are climbable. The standard length of the tower sections is 3.90 m. Extended tower elements with a length of 11.70 m can also be used to reach a maximum free-standing hook height of 53.20 m quickly and at low cost. The hydraulic climbing unit is suitable for both internal and external climbing. It can be removed in full and is compatible with other Liebherr tower cranes which means that operators only require one unit which can then be used at different sites.
In contrast to existing Liebherr flat-top cranes, the new NC-B models have a full jib element rather than the compact head. This is also designed for transporting in containers but costs less than a compact head. Depending on the size class of the auxiliary crane, the slewing platform, switchgear cabinet and cabin can also be assembled separately.

The new concept includes a large number of time-tested elements from existing Liebherr top-slewing cranes, such as the LiConnect jib connection system. This enables the jib to be shortened or extended quickly and easily in steps of five metres. The customer can choose from a frequency converter standard hoist gear with a rating of 24 kW or an optional 30 kW hoist gear, also with a frequency converter. The 30 kW hoist gear can achieve hook heights of up to 501 m in two-line operation.