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Always reinventing forestry
KONE-KETONEN
Kone-Ketonen takes forest management to new dimensions by creating high-quality innovations for the needs of forest professionals and by developing positive outlooks for work and the future.
At Kone-Ketonen, we do not look in just one direction, but instead we develop, create, reform and innovate so that workers would have the prerequisites to carry out the highest possible quality of work.
Keto-harvesters
For the demanding final cutting
Effectively TO THINNING
Unique Track feed
Support for several base machines
WHICHEVER ROUTE YOU CHOOSE,
WE ENSURE THAT IT IS ACCESSIBLE WITH KETONEN EQUIPMENT.


KETO-42
New KETO-42 harvester head complement the small ones collection of harvesters and offers a larger cutting diameter in a smaller shell! Can be equipped with one color with color marking, more powerful feeding motors and a longer saw bar.
- 420 mm Felling diameter
- 300 mm Delimbing diameter
- 400 kg Maximum tree weight

KETO-150 KARATE H
New Keto-150 Karate H Harvester head! Has been developed as a multifunction harvester head suitable for treating large trees in mountain forests for 14 – 15 ton base machines. The traction of the Karate-series is strong thanks to the 5-row track. Karate-machines can be equipped with a Karate-accumulator system. The system controls hydraulic oil flow…
- 550 mm Felling diameter
- 450 mm Delimbing diameter
- 1300 kg Maximum tree weight

KETO-150 KARATE P
New Keto-150 Karate P Harvester head! Has been developed as a multifunction harvester head suitable for treating large trees in mountain forests for 14 – 15 ton base machines. Wide opening grippers (1100mm) integrated on feed tracks for wood bunches. The traction of the Karate-series is strong thanks to the 5-row track. Karate-machines can be…
- 550 mm Felling diameter
- 450 mm Delimbing diameter
- 1300 kg Maximum tree weight

KETO-870C
Keto-870C is the largest and best-equipped head, which also meets the North American requirements. The head has a fixed roller system and an eco tilt with an integrated rotator. The topping saw, butt search sensor and saw stop function ensure efficient and safe operations. The head can be mounted on 35-tonne or larger excavators.
- 1020 mm Felling diameter
- 860 mm Delimbing diameter
- 3000 kg Maximum tree weight

KETO-660C
Keto-660C is equipped in view of North American requirements. The head has a fixed track system and an eco tilt with an integrated rotator. The topping saw, butt search sensor and saw stop function ensure efficient and safe operations.
- 699 mm Felling diameter
- 622 mm Delimbing diameter
- 1600 kg Maximum tree weight

KETO-873 PROCESSOR
The new KETO 873 processor is designed for processing larger trees in demanding conditions of North America and elsewhere. Keto 873 is the latest model of Keto product family. This 3360kg/7400lb head can be installed on 30+ ton tracked base machines.
- 1020 mm Felling diameter
- 860 mm Delimbing diameter
- 3000 kg Maximum tree weight

KETO-FORST W
First Thinning Specialist. Little head with big properties. Felling diameter 40 cm/ 16 inch. Can handle/process 30 cm/12 inch trees. With wide track and stronger integrated rotator. Saw chain and track lubrication as standard, Improved geometry in delimbing knives.
- 400 mm Felling diameter
- 300 mm Delimbing diameter
- 400 kg Maximum tree weight

KETO-825
Keto-825 is the largest harvester head for traditional final felling, stack processing and hardwood harvesting. The multi-purpose functionality of this harvester head is based on a strong, simple structure. The head can be equipped with a fixed or swing roller system. The head can be mounted on 35-tonne or larger excavators.
- 1020 mm Felling diameter
- 860 mm Delimbing diameter
- 3000 kg Maximum tree weight

KETO-600
Keto-600 is a heavy harvester head for traditional final felling, stack processing and hardwood harvesting. The multi-purpose functionality of this harvester head is based on a strong, simple structure. The head can be equipped with a fixed or swing roller system.
- 700 mm Felling diameter
- 700 mm Delimbing diameter
- 1600 kg Maximum tree weight

KETO-500HD
The four-knife model of the Keto-500 series can be mounted on excavators. Two sets of delimbing knives facilitate handling heavy trees.
- 600 mm Felling diameter
- 600 mm Delimbing diameter
- 1800 kg Maximum tree weight

KETO-500 HS
This harvester head, which was originally designed for heavy final felling operations, has been in our product range for 25 years. Keto-500HS is especially suitable for use with excavators and large forest machines.
- 600 mm Felling diameter
- 600 mm Delimbing diameter
- 1600 kg Maximum tree weight

KETO-500 ECO PROCESSOR
The structure of Keto-500 Eco Processor is based on the Keto-600 harvester head. Thanks to its large grapple opening, it serves well as a multi-purpose harvester head that handles delimbing, cutting and sorting easily also in mountainous terrains with steep slopes. If necessary, it can also be used for loading. The head has a fixed roller…
- 700 mm Felling diameter
- 580 mm Delimbing diameter
- 1600 kg Maximum tree weight

KETO-55 SUPREME
Keto-55 is equipped with a broad tilt arm and swing roller system. This harvester model is especially suitable for thinning in demanding snow conditions. It handles even large trees with ease.
- 370 mm Felling diameter
- 320 mm Delimbing diameter
- 700 kg Maximum tree weight

KETO-100 KARATE
A real multi-purpose grapple for slope felling, thinning and small final felling. Large opening and fixed grapples allow sorting and even loading. The fixed saw housing and rear knife make felling and cutting wood precise and easy.
- 470 mm Felling diameter
- 400 mm Delimbing diameter
- 1000 kg Maximum tree weight

KETO-51 ECO LD3
The new harvester is excellent for young wood and older thinning stands. It is very handy, it cuts efficiently and it can even handle big logs with precision. Its precision is better than before and the results of thickness measurements are exact. The harvester’s most important new features are a fixed sawing unit and a third…
- 370 mm Felling diameter
- 320 mm Delimbing diameter
- 700 kg Maximum tree weight

KETO-100 ECO PROCESSOR
The structure of Keto-100 Eco Processor is based on the Keto-100 Eco Supreme harvester head. Thanks to its large grapple opening, it serves well as a multi-purpose harvester head that handles delimbing, cutting and sorting easily in mountainous terrains with steep slopes. If necessary, it can also be used for loading. The head has a fixed…
- 450 mm Felling diameter
- 400 mm Delimbing diameter
- 1000 kg Maximum tree weight

KETO-100 ECO SUPREME
Thinning and small scale final felling proceed smoothly as each operation is designed to take place accurately. Each operation has been taken into consideration in the structure of the head: grabbing the tree, sawing, starting the feed, accurate positioning for sawing and clean delimbing. The head has a fixed track system, which means that there are…
- 450 mm Felling diameter
- 400 mm Delimbing diameter
- 1000 kg Maximum tree weight

KETO-100 SUPREME
Thinning and small scale final felling proceed smoothly as each operation is designed to take place accurately. This harvester head, which is the lightest in the Keto-100 category, has an integrated rotator. The head has a fixed track system, which means that there are fewer wearing parts and that the saw is always in a straight…
- 450 mm Felling diameter
- 400 mm Delimbing diameter
- 1000 kg Maximum tree weight

KETO-150 ECO PROCESSOR
The structure of Keto-150 Eco Processor is based on the Keto-150 Eco Supreme harvester head. Thanks to its large grapple opening, it serves well as a multi-purpose harvester head that handles delimbing, cutting and sorting easily in mountainous terrains with steep slopes. If necessary, it can also be used for loading. The head has a fixed…
- 560 mm Felling diameter
- 450 mm Delimbing diameter
- 1300 kg Maximum tree weight

KETO-150 ECO SUPREME
Thinning and small scale final felling proceed smoothly as each operation is designed to take place accurately. Each operation has been taken into consideration in the structure of the head: grabbing the tree, sawing, starting the feed, accurate positioning for sawing and clean delimbing. The head has a fixed track system, which means that there are…
- 560 mm Felling diameter
- 450 mm Delimbing diameter
- 1300 kg Maximum tree weight

KETO-150 MAJOR
This Keto-150 category harvester head is equipped with an eco tilt with an integrated rotator. Thanks to its strong frame structure, the head is especially suitable for the stack processing of small trees. The head has a fixed track system, which means that there are fewer wearing parts and that the saw is always in a…
- 560 mm Felling diameter
- 450 mm Delimbing diameter
- 1400 kg Maximum tree weight

KETO-150 SUPREME
Thinning and small scale final felling proceed smoothly as each operation is designed to take place accurately. This harvester head, which is the lightest in the Keto-150 category, has an integrated rotator. The head has a fixed track system, which means that there are fewer wearing parts and that the saw is always in a straight…
- 560 mm Felling diameter
- 450 mm Delimbing diameter
- 1300 kg Maximum tree weight

KETO-150 PROCESSOR
KETO-150 PROCESSOR is suitable for harvesting on steep slopes in mountainous terrains. The grapple of the head can also be used for moving and loading tree bundles. The head has a fixed track system, which means that there are fewer wearing parts and that the saw is always in a straight position.
- 560 mm Felling diameter
- 400 mm Delimbing diameter
- 1300 kg Maximum tree weight

KETO-150HD
Thanks to its sturdy structure, the four-knife model of the Keto-150 series is a suitable harvester head for excavators and large forest machines.
- 620 mm Felling diameter
- 450 mm Delimbing diameter
- 1400 kg Maximum tree weight

KETO-450 ECO SUPREME
Thinning and small scale final felling proceed smoothly as each operation is designed to take place accurately. Each operation has been taken into consideration in the structure of the head: grabbing the tree, sawing, starting the feed, accurate positioning for sawing and clean delimbing. The head has a fixed track system, which means that there are…
- 600 mm Felling diameter
- 600 mm Delimbing diameter
- 1600 kg Maximum tree weight

Keto-51 Eco Processor
The structure of Keto-51 Eco Processor is based on the Keto-51 Eco Supreme harvester head. Thanks to its large grapple opening, it serves well as a multi-purpose harvester head that handles delimbing, cutting and sorting easily in mountainous terrains with steep slopes. If necessary, it can also be used for loading. The head has a fixed…
- 370 mm Felling diameter
- 320 mm Delimbing diameter
- 700 kg Maximum tree weight

Keto-51 Eco Supreme
Efficient contract thinning is only possible if each operation is performed efficiently and accurately. Each operation has been taken into consideration in the structure of the head: grabbing the tree, sawing, starting the feed, accurate positioning for sawing and clean delimbing. The head has a fixed roller system, which means that there are fewer wearing…
- 370 mm Felling diameter
- 320 mm Delimbing diameter
- 700 kg Maximum tree weight

Keto-Forst Eco
The most inexpensive in the Forst collection. Lubrication of saw chain and tracks as standard with a separate tank, as in the largest models.
- 300 mm Felling diameter
- 250 mm Delimbing diameter
- 400 kg Maximum tree weight

Keto-Forst Xtreme V2
A new construction makes it easier to cut down trees and handle the wood. A fixed 10 cc saw cuts precisely and efficiently. The movable back knife gives you more control of the tree or wood.
- 400 mm Felling diameter
- 250 mm Delimbing diameter
- 400 kg Maximum tree weight