FAQ - Tree Grabs
Zijtveld tree grapples are used for the safe and efficient gripping, moving, loading, and sorting of tree trunks, branches, and other wood materials. Because the right choice depends on the machine, the application, and the desired configuration, we regularly receive questions about the various models, options, and applications. On this page, you’ll find answers to the most frequently asked questions about our tree grapples. This will give you a quick overview of the options and help you discover which model best suits your work.
Zijtveld tree grapples are attachments for excavators used to move, sort, and process trees, branches, and large pipes.
They are primarily used in forestry, landscape maintenance, and the wood processing industry. Within these applications, tree grapples are used for the efficient lifting, moving, and sorting of logs, branches, and other organic material.
The tree grapples are designed for intensive use and combine a robust construction made of wear-resistant material with a relatively low weight. This ensures they remain powerful in operation while limiting the load on the excavator.
Zijtveld’s range of tree grapples is suitable for excavators weighing approximately 1.2 to 50 metric tons, ensuring a suitable solution is available for a wide variety of machines and applications.
Zijtveld tree grapples are designed with a focus on long service life, low weight, and a robust construction made of wear-resistant materials. As a result, the grapples can withstand intensive use in forestry, landscape maintenance, and the wood processing industry.
The tree grapples are technically derived from Zijtveld’s demolition and sorting grapples, ensuring a proven foundation and reliable performance under harsh conditions.
Depending on the application, the tree grapples can be equipped with various options, such as a load-holding valve or a 5-channel flow-through system. These options make it possible to grab tailor the grab to the specific tasks at hand.
In practice, Zijtveld tree grapples are often chosen for their sturdiness, long service life, and reliable performance in daily use.
The difference between a standard tree grapple and a 7-tooth variant lies primarily in the design of the shells.
Both variants are based on the same main frame, so their basic construction and robustness are identical. The differences lie in the shape and construction of the shells.
The 7-tooth tree grapple is designed to provide extra grip on the material being handled. This makes this variant better suited for applications requiring a firmer grip when picking up, moving, and sorting trees, branches, and other material.
Which version is most suitable depends on the specific tasks and the level of grip required in practice.
Zijtveld tree grapples are suitable for excavators ranging from approximately 1.2 to 50 metric tons. This means the product line offers a suitable tree grapple for both compact and heavy-duty excavators.
The product line includes various models tailored to a wide range of machine weights and applications in forestry, landscape maintenance, and the wood processing industry. This allows tree grapples to be used for both lighter tasks and intensive handling of trees, branches, and other materials.
When choosing the right tree grapple, the weight and specifications of the excavator are the most important factors to consider. Based on these, you can determine which model is best suited for the desired application and load.
Choosing the right Zijtveld tree grapple starts with the weight and specifications of the excavator. The product line is suitable for machines ranging from approximately 1.2 to 50 metric tons, so the technically appropriate model can be determined based on the machine’s weight.
In addition to machine weight, the application also plays an important role. Depending on the tasks—such as moving and sorting trees, branches, or other materials—you can choose between a clamp version or a 7-tine variant with extra grip.
Based on this combination of machine weight and application, the most suitable model can be determined. A Zijtveld distributor can advise you and help you make the right choice for your specific situation and machine.
The swivel ring system of Zijtveld tree grapples is designed for intensive use under harsh conditions and is based on a sealed design. This keeps dust, dirt, and other external influences out of the system as much as possible.
This design contributes to reliable operation and a long service life, even with daily use in demanding applications such as forestry, landscape maintenance, and wood processing.
Thanks to the slewing ring system, the log grapple can rotate 360 degrees, allowing materials to be positioned and moved accurately and efficiently. This increases versatility and makes working with the grab and faster.
Combining robust construction, protection of internal components, and continuous rotational movement, the system is designed for long-lasting and reliable performance.
Starting with model S602-B, Zijtveld tree grapples are equipped with dual hydraulic motors. Starting with model S804-B, this also applies to the dual cylinders. This configuration was developed to optimize force distribution on the slewing ring.
The dual hydraulic motors distribute the load more evenly across the slewing ring. This ensures stable and controlled operation while rotating and positioning the grab.
The cylinders are equipped with internal end-of-stroke cushioning, which ensures a smooth and controlled final stroke. This reduces peak loads and helps lower the stress on the structure and hydraulic components, thereby limiting wear on the hydraulic system.
This design contributes to efficient and durable operation under varying loads in applications such as forestry, landscape maintenance, and wood processing.
Zijtveld tree grapples are manufactured from high-quality wear-resistant steel, making the structure capable of withstanding intensive use and heavy loads.
The main advantage of wear-resistant steel is its high resistance to wear when in contact with trees, branches, and other rough materials. As a result, the critical components of the grab remain in good condition grab , even with daily and intensive use in forestry, landscape maintenance, and the wood processing industry.
The use of wear-resistant steel ensures that the grab continues to function reliably grab and extends the product’s service life. This makes the tree grapples suitable for applications where durability and continuous use are key.
Zijtveld tree grapples are available in various configurations, depending on the application and practical requirements.
The grab design grab be tailored to the excavator and the type of work. A variety of options are available to enhance the tree grapple’s versatility.
Commonly used options include a load-holding valve and a 5-channel hydraulic connection, which allow the grab be grab for applications requiring additional hydraulic functions, such as the use of a saw unit.
The most suitable model and options depend on the machine and the specific work to be performed. A Zijtveld distributor can advise you on the correct configuration.
Zijtveld tree grapples can be supplied with various mounting systems and adapters, allowing them to be attached to a wide range of excavators and quick-change systems.
The choice of mounting system depends on the machine to which the tree grapple is mounted. They can be connected to standard couplings and systems commonly used in the market.
In addition, adapters can be used to tailor the tree grapple to the specific machine configuration. These ensure that the connection between the machine and grab is established grab and safely.
The final configuration is determined based on the excavator and the intended application. A Zijtveld distributor can advise on the correct combination of suspension and adapters.
Zijtveld tree grapples are designed for intensive use with minimal maintenance. Thanks to their robust construction and the use of wear-resistant materials, the grapples can withstand heavy and prolonged loads in applications such as forestry, landscape maintenance, and the wood processing industry.
Maintenance basically consists of regular visual inspections and lubricating moving parts. In addition, periodic maintenance on pivot points and joints may be necessary, depending on the intensity of use and working conditions.
By performing proper and timely maintenance, including regular lubrication of the grab, the tree grab will continue to function reliably and its service life will be significantly extended. In practice, tree grabs are suitable for years of intensive use, provided they are properly maintained and operated.
For specific maintenance advice, a Zijtveld distributor can provide support tailored to the type grab its application.
Zijtveld’s membership in the Open-S Alliance means that we are adopting an open and forward-looking standard for the interface between machines and attachments.
For the user, this primarily means that efforts are being made to achieve greater standardization and flexibility within the market. This makes it easier to match machines and attachments, both now and in the future.
Zijtveld is responding to these market developments and makes it possible to supply tree grapples that comply with this open standard, depending on the machine configuration.
This ensures that the tree grapples remain widely applicable and future-proof, without the user being tied to a single specific system or manufacturer.
Depending on the model and machine configuration, Zijtveld tree grapples can be supplied with attachments compatible with the Open-S quick-change system.
Compatibility depends primarily on the type of excavator and the quick-change system mounted on the machine. For machines equipped with Open-S-compatible couplings, the tree grapple can be adapted accordingly.
In practice, this means that the tree grapple is equipped with the correct mounting and adapter so that it can be safely and correctly connected to the machine’s system. This applies to both compact machines and larger excavators, within the tree grapple’s range of applications.
A Zijtveld distributor can advise on the correct configuration and connection based on the machine and the system being used.
Zijtveld tree grapples are supplied through our authorized distributors. Based on the machine and application, they can advise you on the right model and the corresponding configuration. This ensures that the tree grapple is tailored to your specific needs and working conditions.
Current delivery times for standard tree grapples are listed on our website. For configurations built to specification, the delivery time is determined in consultation with the distributor.
This ensures that the expected delivery time is always clear, depending on the selected model and configuration.
The service life of a tree grapple depends heavily on its use, operating conditions, and maintenance.
With normal and proper use, combined with regular maintenance such as lubrication and wear inspections, a tree grapple can last for years. In practice, there are situations in which tree grapples are used very intensively and still achieve a long service life.
Heavy loads, improper use, or insufficient maintenance can, of course, shorten the service life. That is why proper maintenance and the correct use of the grab are grab for long-lasting and reliable operation.
A Zijtveld tree grapple is designed for intensive daily use in forestry, landscape maintenance, and wood processing.
For more information about Zijtveld tree grapples or to request a quote, please contact an authorized Zijtveld distributor.
The distributor will help you select the right model, the right configuration, and any options that suit the machine and the work to be done. Based on this, a customized quote can be prepared, and advice will also be provided on application and configuration.
The Zijtveld website features an overview of distributors and available contact options. This ensures you’re always referred to a partner who is familiar with the products and can provide you with targeted assistance.
This way, you’ll be quickly connected to the right specialist for your question or request.