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April 09, 2015

Demag Double-girder Overhead Travelling Cranes

Demag cranes are renowned for their reliability, affordability and high load capacities, and the ZKKE double-girder is no exception.

 This overhead crane delivers a virtually unmatched deadweight/load capacity ratio and this reduces investment layout. They are characterised by their outstanding crane geometry, and they guarantee extremely favourable travel characteristics, therefore minimising wear.  The design enables high long and cross-travel speeds to be achieved, while they’re high overall performance. You can also take advantage of the numerous mounting arrangements, while there is the option of a maintenance platform for building repairs and an operator cab control as a crane control variant.

The particularly large lifting height is derived from the fact that the load height can be raised between the two strong crane girders. Demag overhead cranes can handle loads gently and precisely and that’s thanks to the infinitely variable control speed. You can see there has been a lot of attention to detail with the Demag double girder, and you get maximum strength and high inherit rigidity due to the box-section with reinforced connection.

You’re also guaranteed precise position of the wheel axles and very high safety levels thanks to the design specifications of the end carriages. The ZKKE double girder design provides particularly high load capacities (up to 50 tonne) and sensitive load handling, while the crane spans up to 35 metres. The travel wheels of highly wear-resistant GGG 70 spheroidal-graphite cast iron benefits from self-lubricating properties, and you get optimum utilisation of the available height and space thanks to the compact travelling hoist design.

The control pendant is suspended for separate travel on the crane girder with a handy display for installation monitoring. The connections between the main girder and the end carriages are manufactured to mechanical engineering tolerances, resulting in minimum wear.

There’s also a great deal of versatility with this double girder model, especially if you opt for a radio control, while a maintenance platform and accessible crab will make maintenance even faster, while there’s safer access to interior fittings like lights, radiators and supply lines. Demag is one of the world’s leading brands for industrial cranes and components, and you’re always guaranteed quality, reliability and efficiency. To learn more about the ZKKE double girder overhead travelling crane, contact a member of staff today on 01384 441235 or alternatively email us at

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