Liebherr produces new maritime crane – TCC 14000-400 D Litronic

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Meeting clients’ requests for cranes with lifting capacities far above the average lifting capacity of conventional mobile harbor cranes, Liebherr has developed a new model: the TCC 14000-400 D Litronic.

This combined offshore and mobile harbor crane, designed by Liebherr-Werk Nenzing GmbH, has been delivered to the customer in spring of this year. It combines know-how and existing technologies of the offshore crane department and the mobile harbor crane department, thus of two of the company’s maritime business divisions.

The TCC 14000-400 D Litronic has been assembled in the port of Baku, the capital city of Azerbaijan. The first field of application for the multi-purpose crane with a dead weight of approximately 1,100 t is the construction of oil platforms in the Black Sea.

Combined offshore and mobile harbor crane
A feature of the TCC 14000-400 D Litronic is it can be used for two completely different types of application. As it is currently applied in Azerbaijan, the crane can either be fixed on a floating installation (barge) and used as an offshore crane under offshore conditions. It then meets all necessary functions and safety requirements in order to be rated as an offshore crane according to the norm EN 13852-2. As an offshore crane it is able to lift heavy loads up to a maximum of 400 t at an outreach of 21 m; at an outreach of 70 m the crane is still able to hoist 91 t. The maximum under hook height of the crane is 68 m.

Furthermore, thanks to its undercarriage the TCC 14000- 400 D Litronic can also operate onshore as a mobile harbor crane with high lifting capacities. For the undercarriage the drive technology of a Liebherr mobile harbor crane was combined with a newly designed steel fabrication. It consists of a central X-shaped structure to which four outriggers are mounted.

For travelling operation the base structure is fitted with 48 wheel sets as known from the conventional Liebherr mobile harbor crane. During crane operation the crane is propped up on support units situated at the end of the outriggers. The dimensions of the support base are 22 x 22 m. Using a large number of wheel sets and accordingly large supporting pads the crane achieves equally low ground pressure values as a standard mobile harbor crane, not only while travelling but also during crane operation.

Further advantages of the universal crane are its tugger winches, which support the functionality of the crane in the best possible way. The design of the counterweight minimizes the breakdown torque of the crane. Moreover, its independent diesel drive can be listed as another remarkable benefit.

In addition, the TCC 14000-400 D Litronic offers a comparatively small obstruction area of 12.5 m. As an option it can also be used in tandem mode in combination with another crane of the same type.

With the TCC 14000-400 D Litronic, Liebherr’s maritime division said it offers a compact and flexible crane for a great number of different applications. This unique crane is the ideal product for customers with demand for both heavy lift cargo handling in ports and floating solutions for typical offshore applications, like the construction of oil platforms or the installation of wind power stations in the sea.

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