KETO harvester heads are manufactured by experienced staff with the latest technology and automation at its disposal. KETO single-grip harvester heads are available in eight size categories: KETO-51, KETO-100, KETO-150, KETO-500, KETO-600 and KETO-800, as well as the Eco Supreme series and KETO Forst Eco, which are the latest results of Kone-Ketonen's product development.

Suitable KETO harvester heads are available for different base machines, for instance agricultural and forest tractors and excavators. More than 30 years of active product development and user feedback show in all KETO harvester heads as optimal efficiency and reliability.

KETO harvester heads are light in relation to their efficiency and they suit for both thinning and demanding final felling. Their strengths include ingenious hydraulics and a unique feed roller drive that does not damage tree stems. KETO harvester heads, including their feed roller drive, frame structure and hydraulic system, are protected by dozens of international patents. Apart from the Nordic countries, KETO harvester heads have established a strong foothold in Australia, Canada, Germany, UK, Japan, New Zealand, USA and Spain.


Inexpensive small harvester head designed for first thinning and energy wood harvesting. Ideal for forest property owners. The length and thickness of the tree stem is measured when it goes through the feeding tracks. Forst Eco can be equipped with a stump treatment device as an accessory.