Franz Bracht uses Sennebogen trio

By Katherine Weir19 May 2016

Two Sennebogen 4400 crawler cranes and one 5500 are used by crane rental company Franz Bracht for th

Two Sennebogen 4400 crawler cranes and one 5500 are used by crane rental company Franz Bracht for the construction of a furniture store in Offenburg

Three Sennebogen mobile crawler cranes - two 4400 cranes with 140 tonnes capacity and one 5500 with 180 tonnes capacity - are being used in the construction of a new furniture store in Offenburg, Germany by crane rental company Franz Bracht, also in Germany.

The building complex consists of several wings, which are each supplied by one of the cranes. The machines move up and down along the centre axis and thus serve both sides of the building section, which are arranged like fingers on a hand. In this way, heavy prefabricated concrete components are precisely positioned with little effort, the company said.

When heavy components have to be moved, it is not unusual for the crawler cranes to function as pick and carry machines. They can move over the grounds at walking speed with goods on the hook and with up to 90 percent of the maximum safe working load.

Maximum hook heights of over 100 metres and a wide working range with variable lattice boom lengths offer the best conditions for reliably meeting even the most difficult challenges, the company said. The crawler cranes have diesel engines with up to 261 kilowatt (kW) output and 160 kilonewton (kN) winch pulling force. From the cab, the operators safely operate the machines and always have the load in view thanks to the inclinable cab position.

Thomas Spangemacher, technology director at Franz Bracht, said, “We have placed our trust in Sennebogen cranes for decades. The flexible crawler cranes with their simple technology and space saving transport are popular machines in our machine park.”

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