Wolffkran has launched a new 560 tonne/metre class flat top tower crane, the Wolff 8038 Clear, the company’s largest flat top crane to date.
The new crane has a maximum capacity of 20 tonnes at up to 33.4 metres radius. The 80 metre jib has a jib tip capacity of 3.8 tonnes, while an extension takes it to 85 metres on which the capacity is 2.1 tonnes at an 86 metre radius.
The crane is equipped as standard with a 2.3 metre tower connection but can also be mounted on a 2.0 metre tower to fit into elevator shafts. It has also been designed for easy transport and installation, the heaviest single component weighs 15 tonnes and according to the company can be transported on six trucks.
The new Wolff 8038 Clear - Its largest flat to so far
To ease installation, it is equipped with a patented smart jib design, in which the top chord can be assembled with a simple plug connection without the need for a hammer, also providing a smoother transition between sections.
The new jib design
At the same time, it features ‘bolt depots’ at all points where the crane components need to be installed overhead, such as the crane top. The bolts always remain in the correct position and only need to be slid into the designated holes with a single motion, making it physically easier on the installation crew.
With ‘Bolt Depots’
Additional support for assembly and maintenance is provided by extra platforms for divided jib assembly, foldable guardrails on the counter jib, and optional auxiliary cranes for tasks involving the hoist and slewing gear.
As a pure two fall crane, the 8038 Clear can be ordered with either a 75 kW or 110 kW winch with speeds of up to 132 or 190 metres a minute respectively. The winch performance can be reduced by up to 50 percent on sites where full capacity is not required, reducing power consumption.
The new crane can be equipped with a second brake on the hoist winch and Wolff’s High-Speed Positioning System (HiSPS), as well as being pre-equipped for an under hook camera system.
Head of product management Mohamed Abouelezz said: “Large cranes are in demand, globally, we are witnessing a trend towards construction with prefabricated parts and modules. At the same time, customers are increasingly focused on hassle free assembly. The Wolff 8038 Clear combines the performance of a hammerhead crane with the assembly advantages of a flat top design.”
Project manager Wouter van Loon added: “We have also revised the design of the lower chord construction, optimising it with localised reinforcements. This not only allows us to save around 10 percent in material costs - which translates to lower prices - but also reduces assembly.
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