With the new WSK-5 hoisting winch carriage, Koller is setting new standards in forestry technology.
Koller is setting new standards in forestry technology. The powerful 5-ton solution is already causing a stir before its official presentation and the first orders speak for themselves.
The Koller WSK-5 hoisting winch crane has been developed to meet the highest demands in terms of performance, efficiency and reliability. As the latest milestone in the addition of our successful 10 series, it opens up completely new possibilities in the field of modern cable crane technology and fulfils a long-standing wish of many professionals from the field.

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That’s a remarkable amount of work hours for a single machine, the Norcar 600 owned by Erkki Rinne is taken well care of, it even has the original Diesel engine.
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Kieran Anders is a forestry contractor working in the lake district. His work involves hand cutting and extracting timber using a skidder and tractor-trailer forwarder.
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It is not possible to eliminate chain shot, but there are simple steps that can be taken to reduce the risk.
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Arwel takes great pride in the fact that the mill has no waste whatsoever, “the peelings are used for children’s playgrounds, gardens and for farm animals in barns in the winter and the sawdust has multiple uses in gardens and farms as well.
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Timber hauliers need to encourage young blood in, and also look after the hauliers we have, we need make the sector a safe and positive place to work.
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Compact in design, uncompromising in performance!
The WSK-5 impresses with its sophisticated technology, robust design and maximum productivity, even under the toughest operating conditions.
The WSK-5 offers what the professional expects from a winch cable crane.
- 5 tons of pure power
- State-of-the-art technology for maximum efficiency
- Developed for the highest loads in the forest
- Innovative Koller quality you can rely on
- The WSK-5 will set new standards
nitial technical information is now available from our sales team and more information will follow!
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Written by loggers for loggers and dedicated solely to the equipment used in forestry operations.

