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SAMPO ROSENLEW is especially known as a manufacturer of logging machines for first thinning operations. 20 years of research and development have made Sampo into a leading company in its field.

In 2018 Sampo Rosenlew launched a totally new forest machine program for later thinning and clear-cut operations. This program contains a brand new range of harvesters and forwarders. Alongside the new product line the company undertakes to develop a new customer care program to ensure the high quality of the machines and a good after sales support.

HR86 is a brand new eight-wheeled harvester. It weighs about 20 tonnes and with its crane from Mesera it will be well-suited for cut-to-length final fellings.





Read more about the technical specification.


FR48 is based on the little brother FR28. It is a 12-ton forwarder in the middle segment.





Read more about the technical specification.


FR68 is a completely new forwarder. It comes with a swivelling cabin and has a loading capacity of 14 tonnes. The machine weight is set to 18 tonnes. It is efficient with a Mesera crane.





Read more about the technical specification.



 Main improvements:

  • engine Agco Power 49 AWF 124 kW/2100 rpm

  • hydraulic pump 140cc

  • oil tank 130 l

  • fuel tank 180 l

  • new brake link BlackBruin

  • new rotator BBR08


HR46x is a more powerful machine with a bigger pump - more efficient with less fuel!  Bigger fuel tank means longer filling intervals and bigger oil tank helps to cool oil in warm conditions. Also the cooling system is more effective! Along with this model Sampo Rosenlew will bring into use the links and rotators of BlackBruin.  














The HR46x is the number one choice for first thinning. Even more powerful than its predecessor HR46, the harvester has a larger, 140cc pump and an Agco Power 49 AWF engine. These changes improve performance and reduce fuel consumption, which translates to increased profitability of thinning operations for the owner.

Power transmission is now fully hydrostatic to allow for rapid movement from tree to tree without increased engine speed. Gear changes in multi-speed motors are done electronically or even automatically. An operating mode can also be selected from the operation automation menu, which increases the diesel engine RPM to maximum and automatically enables maximum transmission speed.
The cabs of Sampo-Rosenlew harvesters have always been placed on a separate frame from the engine, so users of Sampo-Rosenlew harvesters are accustomed to a comfortable and quiet work environment. Add to this the changes described above, reduced engine speed, the removal of the gearstick from the cab, as well as a number of other modifications in this model - the cab of the HR46x is incredibly quiet.

A thinning harvester operates in young sections of forest. They are kept relatively dense in order to maximize the growth rate. High-quality thinning requires that the harvester is rather small and can be manoeuvred in small space. Furthermore, the machine weight must be relatively low. The HR46x meets these requirements. Further modifications have been made resulting in a light but strong chassis. The narrow harvester has a middle joint with a 50-degree turning angle resulting in unique manoeuvrability. The outer turning radius is 402 cm. Tyre width can be chosen between 500 and 650 mm.

Drive transmission
The HR46x harvester is equipped with full hydrostatic drive transmission. In this system there are no vulnerable axles and there is no train of gears. Changing from one gear to the next in the multi-speed radial piston motors is done electrically. The torque in the Sampo Hydraulics drive motors is high as soon as the machine starts to move. Since the wheels are constantly rolling without scratching, no marks are left on the terrain in the forest to be thinned. The turning of the harvester is also harmless to the ground because there is no bogie axle.

The Sampo Rosenlew factory also manufactures the spacious, silent cab which helps the operator to work efficiently. From the HR46x cab it is easy to see the tree tops, which is a requirement for the correct choosing of trees to be harvested. The cab meets the official safety standards and is specially designed to be used in a dense thinning forest when the remaining trees must be left unharmed. The cab features many details that make it easier for the operator to work and feel more comfortable.

The HR46x harvester has a 7.1 meter parallel crane with sufficient 55 kNm lifting capacity to ensure swift working. The crane is also very flexible to use even in a dense forest. The side tilt, which can also be switched on to work automatically, helps to pick the very trees that the operator wants to remove. Furthermore, it helps when operating on a slope or on rough terrain. The low construction of the crane improves the sideways stability and visibility towards the trees to be felled. The vertical fastening plate serves the same purpose, bringing the crane foot as close to the operator as possible.

Harvesting head
We only use harvesting heads from well-known manufacturers. The brands are Kesla and Keto. For thinning, the head must be small and designed so that it can be easily moved to the stem to be felled without harming the remaining trees even in a dense forest. The type of head and accessories are selected on the basis of intended use. For example, there are specific applications or equipment for the standard harvesting head designed for producing energy wood.

Sampo Rosenlew uses engines manufactured by Agco Power with several decades of experience in Linnavuori, Nokia. The power plant of the HR46x is the TIER 4 final phase common rail and SCR technology-equipped Power 49 AWF diesel engine. The low fuel consumption of the low-emission engine, coupled with extended service intervals guarantee minimum operating costs. It has 124 kW of power and the torque is the highest exactly in the RPM range that is used the most in operation. The engines are silent and have been made to last.

Measuring computer
Measuring of the wood volume as well as controlling of the harvesting head is done by the measuring computer. Since there is a variety of customer needs, the Motomit computer that we use can be equipped with software of different levels. If there is need for functions requiring PC level power, the personal computer is coupled side by side with the measuring computer. This way a possible malfunction in the PC does not prevent the use of the harvester. With a Motomit computer the customer has access to all the necessary functions such as:
• Optimizing of crosscutting
• Harvester head steering, control and trouble shooting
• Working hour follow-up
• Wireless transmission of production information.



Weight at work




Ground clearance


8, 000-9, 500 kg

4900 mm

2100-2400 mm

2735 mm

670 mm

3200 mm


Agco Power

Fuel tank

49 AWF, 124 kW @ 2100 rpm

180 l



Turning radius

Steering angle


Traction force


4020 mm


0-13 km/h

90 kNm

WheelsFront and rear500/70-28, 540/65-28, 650/60-26.5


Hydraulic oil tank

Working pressure

Rexroth A10V0 140cc/294 l/min/ 2100 rpm

130 l

230 bar




Charging generator

24 V, 2 x 145 Ah

100 A



Lifting torque, gross

Turning torque


7.1 m

55 kNm 


17 kNm


Head Keto 51 Eco Supreme
Kesla 18RH-II
Max. delimbing diameter 320 mm
Computer Motomit/Technion
BrakesTypeMulti-disk brakes



Quiet safety cab


12 mm polycarbonate













































For more information see   www.sampo-rosenlew.fi/en/products/metsakoneet-----/harvesterit--/hr46.html















Sampo Rosenlew has responded to customer demands by designing the FR28 forwarder, which is optimized for thinning operations. This 10-tonne load bearing forwarder is designed to complement our harvesters. With its low dead load and high steering angle, the F28 is a nimble machine for efficiently transporting timber from stump to roadside.

The FR28 forwarder is mainly used in young sections of forest kept rather dense. This requires that the forwarder, too, is of suitable size. The small dimensions are connected with optimized weight division between front and rear axles. Together with articulated steering that turns 45 degrees result to a unique manoeuvrability. The bottom is even and flat also below the engine. The forwarder width is 2720 mm (wheels 710/40-22.5). The spacious lower chassis allows the use of 900 mm tracks. The loading space length may alter between 3.8 and 4.4 metres.

Drive transmission
The FR28 forwarder is equipped with hydrostatic-mechanical transmission. The drive pump runs a mechanical gearbox. The transmission axles then divide the traction force to the front and rear bogies. The traction can be locked between the front and rear as well as between the left and right side of each bogie. The NAF bogies guarantee a continuous totally 13 tons traction force.

The Sampo Rosenlew factory also manufactures the spacious, silent cab which helps the operator to work efficiently. It meets the official safety standards and is specially designed to be used in dense thinning forest when the remaining trees must be left unharmed. The unique visibility also helps in this. The cab features many details that make it easier for the operator to work and feel more comfortable. There is, for example a switch to open the engine hood with an electric motor. All these also help the operator work efficiently even long shifts in thinning harvesting.

In the spacious cab special attention has been paid to visibility. Lower part of the crane is very narrow thus enabling unhindered view to loading direction. The windows are placed so that it is very easy to see the wheels. Thanks to low engine rpm, clever hydraulic system and high quality noise insulation, the cab is amazingly silent and comfortable. It is equipped with several details to make operators work easier and more pleasant: a refrigerated sandwich box as an example.

The FR28 forwarder has a 10-metre reach crane specially designed for thinning operations. The low construction of the crane improves the sideways stability and visibility. Crane can be equipped with a weighing scale, not only to control harvesting but also to prevent harmful overloading.

Load space
Even though the timber from thinning harvesting is mainly relatively short pulp wood, you can quite as well load saw logs. The forwarder can be ordered from the factory with loading space length between 3.8 and 4.4 meters. The headboard in front of the load space is hydraulically adjustable.

The numerous service-friendly details of the forwarder tell about the Sampo Rosenlew machine construction traditions. As a practical proof you can find for example a vacuum pump in the hydraulic system. It prevents oil leakages during service measures and in connection with damaged hoses or other components. The forwarder operator can switch on the pump with ignition key immediately if there is a leakage. No oil is wasted or spilled in the nature. Hydraulic oil filling pump keeps all impurities outside the system. In connection of a periodical or other service oil is pumped through the return filter. This helps considerably in keeping the system clean.

As the source of power we are using a Tier 4 final phase 49 AWF common rail diesel manufactured by the Agco Power Company in Finland with decades of experience. Minimal fuel consumption together with long service intervals guarantee that this low-emission engine is inexpensive to use. It provides 124 kW power and 700 Nm torque.







Weightfrom13,000 kg



Ground clearance

8262 mm

2720 mm (710/40-22.5 wheels)

620 mm

Loading capacity

Max load

Load space vertical cross cut area

10 000 kg

4 m²

Diesel engine




Fuel tank

Agco Power 49 AWF

124 kW / 2100 rpm

700 Nm /1100-1600 rpm

220 l



Speed max

Traction force

Hydrostatic-mechanical with diffrerential locks

25 km/h

130 kN



Turning angle


+/- 45°



Oil immersed brakes front and rear





Tank volume

Load sensing

220 l/min (2000rpm)

215 bar

125 l





Working lights

2 x 145 Ah, 24 V

100 A


16 pcs




Mesera F59 / Kesla 600

Mesera 7.2/8.5/10 m /

Kesla 7.7/8.2/10 m



Sampo Hydraulics MR8



Link with 1-direction brake



Kesla proG28

Standard equipment: AC, hydraulic oil filling pump and vacuum pump, 2 fire extinguishers, radio/CD, hydraulic stairs, tool kit.








































For more information see  www.sampo-rosenlew.fi/en/products/metsakoneet-----/kuormatraktorit--/fr28-.html







When forest is managed, the goal is usually to maximize the production of wood, in terms of quantity and quality. This is also the aim of all the harvesting activities which fall into two categories:

Harvesting for growth which includes thinning.
Final harvesting where the aim is to create a new generation of trees to replace the old ones.

The purpose of thinning is to concentrate the production capacity of the forest soil - and wood growth - on certain individual trees.The goal is to produce big trees with good technical quality. The entire space should grow a dense, even and healthy forest.

The machines should be technically suitable, keeping in mind the aim in each harvesting operation. Consequently, in thinning when a densely growing forest must be left undamaged, the machines should be relatively small, maneuverable and suitable to operate in sections of forest without harming the remaining trees.The area used for strip roads where the machinery moves has to be minimized since as much space as possible should be left for the trees to grow.

The above mentioned facts result in the conclusion that the Sampo Rosenlew machinery is a superior alternative to be used in thinning operations.



In thinning, like in every phase of wood production, the costs should be minimized. However, this must not weaken the effect of these operations i.e. their efficiency and quality.

The cost of mechanized harvesting can be roughly divided in three groups.

  • The capital cost that depends on the purchase price of the equipment.

  • Personnel costs consisting of wages with their side costs.

  • Other running costs such as fuel and lubricants for the machines as well as service, transport, insurances and other miscellaneous costs.

The capital cost can be affected by choosing the most inexpensive alternative of the functioning machines available. Little can be done about the personnel costs with technical solutions. Other running costs can be reduced by choosing the most economical alternative of what is available.

Since the Sampo Rosenlew thinning harvesters have proved to be reliable, extremely price competitive and fuel efficient, they are the best solution to thinning.



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