Efficiency in Felling and Delimbing
Superior Performance in Every Context
Processor Heads for Felling and Delimbing. SP Maskiner, made in Sweden with roller feed. Arbro, made in Finland with piston feed. Solutions for every need.
SP MASKINER PROCESSOR HEADS
All SP Maskiner processor heads are designed to make thinning, final felling, and delimbing as efficient as possible, and they are compatible with all brands and models of Harvesters. The LF series heads are characterised by their sleek and compact design, combined with maximum productivity and reliability. The heads are designed according to the low friction concept for maximum profitability. Whether working with initial thinning, final felling, or large amounts of hardwood, the LF series has the right processor head for the job. They come standard with high-level equipment; however, numerous different accessories are available to optimise the processor head for various needs, supports, and felling conditions.
The SP 461 LF is a high-performance processor head that is very fast and agile. It is designed according to SP’s low friction principle for minimal friction and maximum productivity. The fast feed, combined with the reduced weight and very compact dimensions, ensures maximum efficiency and productivity, even in dense thinning of small diameter trees. The intelligent SP LogHold patent and the proportional angled feed rollers give the SP 461 LF impressive manoeuvrability and capacity.
• Weight: 726 kg
• Cutting diameter: 530 mm
• Optimal tree size for maximum productivity: 80 - 350 mm
• Recommended operating pressure: 230 - 250 bar
Greifenberg offers you consultancy for the best solution!
We dedicate the utmost attention to our customers. Our spare parts service is fast, reliable, and responsible. To maintain the reliability of your equipment over time, high-quality original spare parts and accessories are essential.
Our support service is available by phone and WhatsApp at +390463901259 and by email at info@greifenberg.it
Thanks to its unique design and construction, the length measuring unit on SP heads offers exceptionally high reliability and measurement precision. The hydraulics are designed to handle extremely rapid movements and direction changes, ensuring that the measuring wheel always remains in contact with the stem. In combination with the high-resolution sensor, this ensures that correct measurements are made and transmitted within the system. The robust and durable bearings, the unique internal cable routing, and the non-contact mechanical sensor ensure reliability and dependability, even in the toughest conditions. Regardless of tree species, the measuring process can be optimised using different profiles and widths of the measuring wheels, while the large diameter of the measuring wheel ensures optimal contact with the stem attachment. This guarantees maximum reliability during penetration through various bark structures and minimal deviations, regardless of extreme high or low temperatures. Throughout the process, the length measuring unit is pressed against the stem by a powerful hydraulic cylinder with quick response times, ensuring exceptional length measurements, even on crooked and irregular stems. When the measuring wheel finally needs to be replaced due to wear, the easy-to-maintain design allows for quick and simple replacement.
The length measuring unit is powered by an extremely well-protected hydraulic cylinder and encapsulated flexible hoses, allowing the measuring wheel to be retracted into a protected position when the head is open.
The measuring wheel is equipped with highly robust, self-lubricating bearings for optimal service life and minimal maintenance requirements. The sturdy bearings are also sufficiently large to withstand the extremely high lateral forces generated, for example, when handling multiple trees or collecting crooked hardwood trees.
The length measuring arm is fixed to the head frame with a robust and durable connection to minimise maintenance and maximise durability. This also ensures extremely solid movement of the measuring arm without play, for maximum measurement precision.
Our larger heads, the SP661LF and SP761LF, which are often mounted on powerful carriers for working in tough environments with large diameter trees, feature a unique and fully protected cable routing to the length measuring sensor. Since the entire length of the cable is routed inside the frame and the measuring arm, it is always fully protected from external forces. This guarantees maximum reliability, even in the most demanding conditions.
The length measuring sensor is completely non-contact with no mechanical connection to the measuring wheel. As the sensor has no moving parts or exposed electronics, it ensures maximum reliability and durability.
Knife Profile
The delimbing knives are forged from high-strength steel and equipped with long cutting edges. This means that the limbs are cut rather than broken. This minimises friction during delimbing and allows the trunk to pass through easily.
Proportional Pressure
Proportional pressure ensures that the harvester head automatically operates at the correct pressure in relation to the tree diameter. This means that the friction between the trunk and the harvester head is minimised, and the harvester head operates at maximum efficiency. Individual settings for tree species further maximise productivity.
Log Hold
LogHold is an evolution of proportional pressure, allowing the delimbing knife pressure against the trunk to be reduced without the risk of the trunk falling. If the trunk is about to fall, LogHold adjusts the knife pressure to ensure the trunk stays in the correct position. The amount by which the diameter can increase before LogHold activates is set in the control system. No additional sensors are required.
Proportional Angles
This smart solution means that when the harvester head is fully open, i.e., at the maximum tree size, the feed rollers are at their maximum angle and provide the highest load force against the trunk. As the feed rollers carry the trunk, the pressure on the delimbing knives can be reduced, which means less friction, and the harvester head can feed the trunk quickly and easily.
The SP 561 LF is a high-performance all-round processor head. It is designed according to the LF principle for maximum productivity. The SP 561 LF is specifically designed for various tasks and offers excellent features from initial thinning to medium final felling. The compact dimensions, combined with perfect delimbing up to 30 mm, ensure that the first thinning can be carried out quickly and efficiently with the highest quality. The SP 561 LF is undoubtedly compact, wide, and versatile.
• Weight: 980 kg
• Cutting diameter: 600 mm
• Optimal tree size for maximum productivity: 120 - 430 mm
• Recommended operating pressure: 230 - 280 bar
Greifenberg offers you consultancy for the best solution!
We dedicate the utmost attention to our customers. Our spare parts service is fast, reliable, and responsible. To maintain the long-term reliability of your equipment, high-quality original spare parts and accessories are essential.
Our support service is available by phone and WhatsApp at +390463901259 and by email at info@greifenberg.it
Thanks to its unique design and construction, the length measuring unit on SP heads offers exceptionally high reliability and measurement precision. The hydraulics are designed to handle extremely rapid movements and direction changes, ensuring that the measuring wheel always remains in contact with the stem. In combination with the high-resolution sensor, this ensures that correct measurements are taken and transmitted within the system. The robust and durable bearings, the exclusive internal cable routing, and the non-contact mechanical sensor ensure reliability, even in the toughest conditions.
Regardless of tree species, the measurement process can be optimised using different profiles and widths of the measuring wheels, while the large diameter of the measuring wheel ensures optimal contact with the stem attachment. This guarantees maximum reliability during penetration through various bark structures and minimal deviations, regardless of extreme high or low temperatures. Throughout the process, the length measuring unit is pressed against the stem by a powerful hydraulic cylinder with quick response times, ensuring exceptional length measurements even on crooked and irregular stems. When the measuring wheel needs to be replaced due to wear, the easy-to-maintain design allows for quick and simple replacement.
The length measuring unit is powered by an extremely well-protected hydraulic cylinder and encapsulated flexible hoses, allowing the measuring wheel to be retracted into a protected position when the head is open.
The measuring wheel is equipped with highly robust, self-lubricating bearings for optimal service life and minimal maintenance requirements. The sturdy bearings are also sufficiently large to withstand the extremely high lateral forces generated, for example, when handling multiple trees or harvesting crooked hardwood trees.
The length measuring arm is fixed to the head frame with a robust and durable connection to minimise maintenance and maximise durability. This also ensures extremely solid movement of the measuring arm without play, providing maximum measurement accuracy.
Our larger heads, the SP661LF and SP761LF, which are often mounted on powerful carriers for work in challenging environments with large-diameter trees, feature a unique and fully protected cable routing to the length measuring sensor. Since the entire length of the cable is routed inside the frame and the length measuring arm, it is always fully protected from external forces. This guarantees maximum reliability, even in the most demanding conditions.
The length measuring sensor is completely non-contact, with no mechanical connection to the measuring wheel. As the sensor has no moving parts or exposed electronics, it ensures the highest reliability and durability.
Knife Profile
The delimbing knives are forged from high-strength steel and equipped with long cutting edges. This means that the limbs are cut rather than broken. This minimises friction during delimbing and allows the trunk to pass through easily.
Proportional Pressure
Proportional pressure ensures that the harvester head automatically operates at the correct pressure in relation to the tree diameter. This means that the friction between the trunk and the harvester head is minimised, and the harvester head operates at maximum efficiency. Individual settings for tree species further maximise productivity.
Log Hold
LogHold is an evolution of proportional pressure, allowing the delimbing knife pressure against the trunk to be reduced without the risk of the trunk falling. If the trunk is about to fall, LogHold adjusts the knife pressure to ensure the trunk stays in the correct position. The amount by which the diameter can increase before LogHold activates is set in the control system. No additional sensors are required.
Proportional Angles
This smart solution means that when the harvester head is fully open, i.e., at the maximum tree size, the feed rollers are at their maximum angle and provide the highest load force against the trunk. As the feed rollers carry the trunk, the pressure on the delimbing knives can be reduced, which means less friction, and the harvester head can feed the trunk quickly and easily.
The SP 661 LF is a high-performance, compact, and robust processor head designed according to SP's low-friction principle for minimal friction and maximum productivity. The SP 661 LF is designed to offer the highest productivity in both small and large diameter harvesting. In large diameter harvesting, the proportional angled feed rollers, combined with SP’s patented LogHold blade control system, allow for maximum capacity and productivity. When harvesting smaller diameter trees, the compact and agile design is a major advantage. Equipped with optional Multi-tree handling equipment, the SP 661 LF is capable of achieving maximum productivity even when harvesting very small trees.
The extremely well-protected and robust design, combined with state-of-the-art tube routing, ensures maximum reliability and uptime, regardless of tree size or harvesting conditions. The SP 661 LF is undoubtedly fast, versatile, and reliable.
• Weight: 1480 kg
• Cutting diameter: 700 mm
• Optimal tree size for maximum productivity: 160 - 510 mm
• Recommended operating pressure: 260 - 300 bar
Greifenberg offers you consultancy for the best solution!
We dedicate the utmost attention to our customers. Our spare parts service is fast, reliable, and responsible. To maintain the long-term reliability of your equipment, high-quality original spare parts and accessories are essential.
Our support service is available by phone and WhatsApp at +390463901259 and by email at info@greifenberg.it
Length Measurement
Thanks to its unique design and construction, the length measuring unit on SP heads offers exceptionally high reliability and measurement precision. The hydraulics are designed to handle extremely rapid movements and direction changes, ensuring that the measuring wheel always remains in contact with the stem. In combination with the high-resolution sensor, this ensures that accurate measurements are taken and transmitted within the system. The robust and durable bearings, exclusive internal cable routing, and non-contact mechanical sensor ensure reliability even in the most challenging conditions.
Regardless of tree species, the measurement process can be optimised using different profiles and widths of the measuring wheels, while the large diameter of the measuring wheel ensures optimal contact with the stem attachment. This guarantees maximum reliability during penetration through various bark structures and minimal deviations, regardless of extreme high or low temperatures. Throughout the process, the length measuring unit is pressed against the stem by a powerful hydraulic cylinder with quick response times, ensuring exceptional length measurements even on crooked and irregular stems. When the measuring wheel eventually needs to be replaced due to wear, the easy-to-maintain design allows for quick and simple replacement.
The length measuring unit is powered by an extremely well-protected hydraulic cylinder and encapsulated flexible hoses, allowing the measuring wheel to be retracted into a protected position when the head is open.
The measuring wheel is equipped with highly robust, self-lubricating bearings for optimal service life and minimal maintenance requirements. The sturdy bearings are also sufficiently large to withstand the extremely high lateral forces generated, for example, when handling multiple trees or harvesting crooked hardwood trees.
The length measuring arm is fixed to the head frame with a robust and durable connection to minimise maintenance and maximise longevity. This also ensures extremely solid movement of the measuring arm without play, providing maximum measurement accuracy.
Our larger heads, the SP661LF and SP761LF, often mounted on powerful carriers for work in challenging environments with large-diameter trees, feature a unique and fully protected cable routing to the length measuring sensor. Since the entire length of the cable is routed inside the frame and the length measuring arm, it is always fully protected from external forces. This guarantees maximum reliability even in the most demanding conditions.
The length measuring sensor is completely non-contact with no mechanical connection to the measuring wheel. Since the sensor has no moving parts or exposed electronics, it ensures the highest reliability and durability.
Knife Profile
The delimbing knives are forged from high-strength steel and equipped with long cutting edges. This means that the limbs are cut rather than broken. This minimises friction during delimbing and allows the trunk to pass through easily.
Proportional Pressure
Proportional pressure ensures that the harvester head automatically operates at the correct pressure in relation to the tree diameter. This means that the friction between the trunk and the harvester head is minimised, and the harvester head operates at maximum efficiency. Individual settings for tree species further maximise productivity.
Log Hold
LogHold is an evolution of proportional pressure, allowing the delimbing knife pressure against the trunk to be reduced without the risk of the trunk falling. If the trunk is about to fall, LogHold adjusts the knife pressure to ensure the trunk stays in the correct position. The amount by which the diameter can increase before LogHold activates is set in the control system. No additional sensors are required.
Proportional Angles
This smart solution means that when the harvester head is fully open, i.e., at the maximum tree size, the feed rollers are at their maximum angle and provide the highest load force against the trunk. As the feed rollers carry the trunk, the pressure on the delimbing knives can be reduced, which means less friction, and the harvester head can feed the trunk quickly and easily.
The SP 761 LF is a compact, heavy-duty, high-performance processor head. It is designed according to SP's low-friction principle for minimal friction and maximum productivity. The SP 761 LF is suitable for use on both large-wheeled harvesters and tracked harvesters or excavators. Its high capacity, combined with the compact, protected, and heavy-duty design, allows the SP 761 LF to handle a variety of demanding harvesting applications with exceptional performance. Whether the task involves large-diameter softwood, twisted and agile hardwood, or dense mixed wood stands, you can rely on the SP 761 LF to get the job done.
Equipped with specially designed processing knives and a sealing saw, the SP 761 LF becomes a dedicated processing head with great performance for processing wood covered by a stack. The SP 761 LF is truly a versatile, compact, and robust performer.
• Weight: 1750 kg
• Cutting diameter: 750 mm
• Optimal tree size for maximum productivity: 200 - 560 mm
• Recommended operating pressure: 260 - 300 bar
Greifenberg offers you consultancy for the best solution!
We dedicate the utmost attention to our customers. Our spare parts service is fast, reliable, and responsible. To maintain the long-term reliability of your equipment, high-quality original spare parts and accessories are essential.
Our support service is available by phone and WhatsApp at +390463901259 and by email at info@greifenberg.it
Length Measurement
Thanks to its unique design and construction, the length measurement unit on SP heads offers exceptionally high measurement reliability and precision. The hydraulics are designed to handle extremely rapid movements and changes in direction, ensuring that the measuring wheel always remains in contact with the stem. Combined with the high resolution of the sensor, this guarantees that accurate measurements are taken and transmitted within the system. The robust bearings, unique internal cable routing, and a contactless mechanical sensor ensure reliability and durability even in the most challenging conditions.
Regardless of tree species, the measurement process can be optimised through different measurement wheel profiles and widths, while the large measurement wheel diameter ensures optimal contact with the stem. This guarantees maximum reliability when penetrating various bark structures and minimises deviations, regardless of extreme high or low temperatures. Throughout the process, the length measurement unit is pressed against the stem by a powerful hydraulic cylinder with rapid response times, ensuring exceptional length measurements even on crooked and irregular stems. When the measuring wheel eventually needs to be replaced due to wear, the maintenance-friendly design allows for quick and easy replacement.
The length measurement unit is powered by a highly protected hydraulic cylinder and encapsulated hoses, allowing the measuring wheel to retract into a protected position when the head is open.
The measuring wheel is equipped with highly robust, self-lubricating bearings for optimal service life and minimal maintenance requirements. The sturdy bearings are also large enough to withstand extremely high lateral forces, such as those generated during the handling of multiple trees or the harvesting of crooked hardwood trees.
The length measurement arm is attached to the head frame with a strong and robust connection to minimise maintenance and maximise lifespan. This also ensures an extremely solid measuring arm movement without play, providing maximum measurement precision.
Our larger heads, the SP661LF and SP761LF, which are often mounted on powerful carriers for work in demanding environments with large-diameter trees, feature a unique and fully protected cable routing to the length measurement sensor. Since the entire cable length is routed inside the frame and the length measurement arm, it remains completely protected from external forces. This ensures maximum reliability even in the most challenging conditions.
The length measurement sensor is fully contactless, with no mechanical connection to the measuring wheel. Since the sensor has no moving parts or exposed electronics, it guarantees maximum reliability and longevity.
Knife Profile
The delimbing knives are forged from high-strength steel and equipped with long cutting edges. This means that the limbs are cut rather than broken. This minimises friction during delimbing and allows the trunk to pass through easily.
Proportional Pressure
Proportional pressure ensures that the harvester head automatically operates at the correct pressure in relation to the tree diameter. This means that the friction between the trunk and the harvester head is minimised, and the harvester head operates at maximum efficiency. Individual settings for tree species further maximise productivity.
Log Hold
LogHold is an evolution of proportional pressure, allowing the delimbing knife pressure against the trunk to be reduced without the risk of the trunk falling. If the trunk is about to fall, LogHold adjusts the knife pressure to ensure the trunk stays in the correct position. The amount by which the diameter can increase before LogHold activates is set in the control system. No additional sensors are required.
Proportional Angles
This smart solution means that when the harvester head is fully open, i.e., at the maximum tree size, the feed rollers are at their maximum angle and provide the highest load force against the trunk. As the feed rollers carry the trunk, the pressure on the delimbing knives can be reduced, which means less friction, and the harvester head can feed the trunk quickly and easily.
ARBRO Logging Processor Heads
The Arbro processor heads require low amounts of oil and pressure for their operation, meaning they can be installed even on small excavators. The advancement of the log is powered by hydraulic cylinders, ensuring great pushing force, allowing them to cut even large branches. With a reduced weight, it can handle diameters up to 40 cm. High-quality components with numerous accessories enable Arbro to handle every kind of situation.
• High-quality cylinders combined with oversized pins
• Easy and simple to use and maintain
• Thanks to robust knives/grabs, Arbro can easily handle fallen trees
• The debranching function is smooth thanks to the latest sensor guidance technology
• Arbromat or logger measurement unit with length and diameter
The Arbro processor heads require small amounts of oil and pressure for their operation, meaning they can also be installed on small excavators. The advancement of the trunk occurs through hydraulic cylinders, ensuring a high pushing force, allowing them to cut even large branches. With a reduced weight, it can handle diameters up to 40 cm. High-quality components with numerous accessories enable Arbro to handle all types of circumstances.
• High-quality cylinders combined with oversized pins
• Easy and simple to use and maintain
• Thanks to the robust knives/grapples, Arbro can easily handle fallen trees
• The debranching function is smooth thanks to the latest sensor guidance technology
• Arbromat or logger measuring unit with length and diameter
Greifenberg offers you consultancy for the best solution!
We dedicate the utmost attention to our customers. Our spare parts service is fast, reliable, and responsible. To maintain the long-term reliability of your equipment, high-quality original spare parts and accessories are essential.
Our support service is available by phone and WhatsApp at +390463901259 and by email at info@greifenberg.it.
The Arbro processor heads require low amounts of oil and pressure for their use, which means they can also be installed on smaller excavators. The trunk advancement is carried out by hydraulic cylinders, ensuring a great pushing force, allowing them to cut even large branches. With a reduced weight, it can handle diameters up to 40 cm. High-quality components, along with numerous accessories, allow Arbro to handle any situation.
• High-quality cylinders combined with oversized pins
• Easy and simple to use and maintain
• Thanks to the robust knives/grapples, Arbro can easily handle fallen trees
• The debranching function is smooth thanks to the latest sensor guidance technology
• Arbromat or logger measurement unit with length and diameter
Greifenberg offers you the best solution consultancy!
We dedicate the utmost attention to the customer. Our spare parts service is fast, reliable, and responsible. To maintain the long-term reliability of your equipment, high-quality original spare parts and accessories are necessary.
Our customer service is available by phone and WhatsApp at +390463901259 and via email at info@greifenberg.it.
Length Measurement
Thanks to its unique design and construction, the length measuring unit on SP heads offers exceptionally high reliability and measuring precision. The hydraulics are designed to handle extremely rapid movements and direction changes, ensuring that the measuring wheel always stays in contact with the stem. Combined with the high-resolution sensor, this guarantees that correct measurements are made and transmitted within the system. The robust and durable bearings, the exclusive internal cable routing, and a non-contact mechanical sensor ensure reliability even under the most difficult conditions. Regardless of the tree species, the measurement process can be optimised through various profiles and widths of the measuring wheels, while the large diameter of the measuring wheel ensures optimal contact with the grab. This guarantees maximum reliability during the penetration of different bark structures and minimal deviations regardless of extreme high or low temperatures. Throughout the process, the length measuring unit is pressed against the stem by a powerful hydraulic cylinder with quick response times, ensuring exceptional length measurements even on crooked and irregular stems. When the measuring wheel needs to be replaced due to wear, the easy-to-maintain design allows for quick and simple replacement.
The length measuring unit is powered by an extremely well-protected hydraulic cylinder and encapsulated flexible hoses, allowing the measuring wheel to retract into a protected position when the head is open.
The measuring wheel is equipped with highly robust, self-lubricating bearings for optimal service life and minimal maintenance requirements. The robust bearings are also large enough to withstand the extremely high lateral forces generated, for example, during the handling of multiple trees and when collecting crooked hardwood trees.
The length measuring arm is securely fixed to the frame of the head with a robust and solid connection, minimising maintenance and maximising durability. This also ensures an extremely solid movement of the measuring arm without play, for maximum measurement precision.
Our larger heads, SP661LF and SP761LF, which are often mounted on powerful carriers for work in challenging environments with large-diameter trees, have a unique and fully protected cable routing to the length measurement sensor. Since the entire cable length is routed inside the frame and the length measuring arm, it is always fully protected from external forces. This ensures maximum reliability even in the most demanding conditions.
The length measurement sensor is completely contactless, with no mechanical connection to the measuring wheel. Since the sensor has no moving parts or exposed electronics, it ensures maximum reliability and durability.
Knife Profile
The delimbing knives are forged from high-strength steel and equipped with long cutting edges. This means that the limbs are cut rather than broken. This minimises friction during delimbing and allows the trunk to pass through easily
Proportional Pressure
Proportional pressure ensures that the harvester head automatically operates at the correct pressure in relation to the tree diameter. This means that the friction between the trunk and the harvester head is minimised, and the harvester head operates at maximum efficiency. Individual settings for tree species further maximise productivity.
Log Hold
LogHold is an evolution of proportional pressure, allowing the delimbing knife pressure against the trunk to be reduced without the risk of the trunk falling. If the trunk is about to fall, LogHold adjusts the knife pressure to ensure the trunk stays in the correct position. The amount by which the diameter can increase before LogHold activates is set in the control system. No additional sensors are required.
Proportional Angles
This smart solution means that when the harvester head is fully open, i.e., at the maximum tree size, the feed rollers are at their maximum angle and provide the highest load force against the trunk. As the feed rollers carry the trunk, the pressure on the delimbing knives can be reduced, which means less friction, and the harvester head can feed the trunk quickly and easily.
CONTACT US FOR CONSULTATION
Don't miss the opportunity to ensure the highest quality and safety for your equipment! Contact us today for a personalised consultation and discover the effectiveness of our trolleys and original Greifenberg spare parts.
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