China Best Sales Telescopic Hydraulic Oil Cylinder Dump Truck Hydraulic Cylinder with Great quality

Product Description

Hydraulic cylinder(FE)

Effective diameter Number of stages Stroke Max working pressure
110-214 mm 3-6 3100-9530 mm 150-250 Bar





HangZhou Chengfeiyue hydraulic Machinery Co., LTD focuses on the production and development of hydraulic system. We mainly produce lift valves, limit valves, pneumatic control valve, gear pumps and A complete set of hydraulic system components. Our company is located in Industrial Park, HangZhou City, ZheJiang Province. 

Production Process
Our company now has advanced excellent imported horizontal processing center and vertical processing center, also advanced cathodic electrophoretic coating production line and other precision manufacturing equipment have been introduced. We have cylindricity tester, hardness tester, thread tester, simulation vehicle hydraulic system test bench and other advanced laboratory, inspection equipment.
It has different processing workshops, including Rough machining,Finish machining,Pneumatic valve, limit valve processing zone,Centerless grinding machine,Cleaning machine ,Electrophoretic workshop,Assembly  shop,Quality check,Testbed,etc.



Enterprise Certificate
Our company management team, research and development team and production team. Our team has rich experience in the development and manufacturing of complete hydraulic systems and strict quality management system (ISO9001:2015 and ISO/TS16949:2009 International Quality Management System Certification)
Our enterprise spirit is “work earnestly and be honest”. Take science and technology as the guide, take innovation as the soul, seek development by quality, and try our best to build famous brands in the world.





How could I get a sample?
Before we received the first order, please afford the sample cost and express fee. We will return the sample cost back to you within your first order.

Sample time?
Existing items: Within 15 days.

Whether you could make our brand on your products?
Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.




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Certification: GS, CE, ISO9001
Pressure: High Pressure
Work Temperature: Normal Temperature
US$ 500/Pieces
1 Pieces(Min.Order)


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Estimated freight per unit.

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Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

telescopic cylinder

Can telescopic cylinders be repaired or maintained when necessary?

Yes, telescopic cylinders can be repaired and maintained when necessary. Here’s a detailed explanation:


Telescopic cylinders are designed with repairability in mind. The modular construction of telescopic cylinders allows for individual components or stages to be replaced or repaired as needed. If a specific part of the cylinder becomes damaged or worn out, it can be disassembled and repaired or replaced, minimizing downtime and cost compared to replacing the entire cylinder.


Maintenance is essential to ensure the optimal performance and longevity of telescopic cylinders. Regular maintenance practices may include:

  • Inspection: Periodic visual inspections to check for any signs of damage, wear, or leakage.
  • Lubrication: Applying lubricants to the moving parts of the cylinder to reduce friction and extend component life.
  • Cleaning: Removing dirt, debris, and contaminants that may affect the cylinder’s operation.
  • Seal replacement: Replacing worn or damaged seals to maintain proper sealing and prevent fluid leakage.
  • Pressure testing: Conducting pressure tests to ensure the cylinder’s integrity and identify any potential issues.
  • Alignment and adjustment: Verifying proper alignment and making necessary adjustments to ensure smooth operation and prevent excessive wear.

Depending on the specific application and operating conditions, maintenance intervals and procedures may vary. It’s important to follow the manufacturer’s maintenance recommendations and guidelines for the telescopic cylinder to ensure effective maintenance practices.

Professional expertise:

Repairing and maintaining telescopic cylinders often require professional expertise. It is recommended to engage qualified technicians or service personnel with experience in hydraulic systems and telescopic cylinder repairs. They have the knowledge and tools necessary to accurately diagnose issues, perform repairs, and conduct maintenance tasks in a safe and efficient manner.

Manufacturer support:

Manufacturers of telescopic cylinders typically provide support for repair and maintenance. They may offer technical documentation, repair manuals, and access to replacement parts to facilitate the repair process. Consulting the manufacturer’s resources and seeking their assistance can ensure that repairs and maintenance are carried out correctly and in accordance with the cylinder’s specifications.

By implementing proper repair and maintenance practices, telescopic cylinders can be kept in good working condition, extending their service life and maintaining reliable performance.

It’s important to note that repair and maintenance should be performed by qualified individuals and comply with relevant safety guidelines and industry standards.

telescopic cylinder

Can telescopic cylinders be used in forestry equipment for tree handling?

Yes, telescopic cylinders are commonly used in forestry equipment for tree handling tasks. Here’s a detailed explanation:

Tree felling and extraction:

Telescopic cylinders play a vital role in tree felling and extraction operations. They are utilized in equipment such as feller bunchers, harvesters, and forwarders. Telescopic cylinders provide the necessary force to cut down trees and extract them from the forest. The cylinders are used in combination with cutting heads, grapples, or clamps to grip, hold, and manipulate trees during the felling and extraction processes.

Boom and arm extension:

In forestry equipment, telescopic cylinders are employed to extend the booms and arms of machinery. This extension capability allows operators to reach trees located at various distances and heights, facilitating efficient tree handling. Telescopic cylinders enable the equipment to adapt to different tree sizes and positions, enhancing productivity and reducing manual labor.

Precise control:

Telescopic cylinders provide precise control over tree handling movements. The hydraulic control system allows operators to extend and retract the cylinders with accuracy, enabling controlled positioning of trees during felling, extraction, or stacking. This precise control is crucial for ensuring operator safety, preventing damage to the equipment or surrounding environment, and optimizing operational efficiency.

Load handling and stacking:

Telescopic cylinders support load handling and stacking operations in forestry equipment. They provide the necessary lifting force to handle tree logs and facilitate stacking for transportation or processing. The cylinders work in conjunction with grapples, forks, or other attachments to securely grip and manipulate tree logs during loading, unloading, or stacking activities.

Stability and balance:

Telescopic cylinders contribute to the stability and balance of forestry equipment during tree handling tasks. The controlled extension and retraction of the cylinders help maintain the proper weight distribution and prevent tipping or imbalance when handling heavy tree logs. This ensures the safety of operators and equipment in challenging forestry environments.

Advantages of telescopic cylinders in forestry equipment:

Telescopic cylinders offer several advantages in tree handling applications:

  • Enhanced reach: Telescopic cylinders enable extended reach, allowing operators to access trees at various distances and heights.
  • Precise control: The hydraulic control system provides precise control over tree handling movements, ensuring accurate positioning and manipulation.
  • Efficient load handling: Telescopic cylinders provide the necessary force for lifting, holding, and stacking tree logs, improving efficiency in forestry operations.
  • Adaptability: The extension capability of telescopic cylinders allows for adaptation to different tree sizes and positions, enhancing versatility in tree handling tasks.
  • Stability and safety: Telescopic cylinders contribute to equipment stability and operator safety by maintaining proper weight distribution during tree handling activities.

Overall, telescopic cylinders are widely used in forestry equipment for tree handling tasks, offering extended reach, precise control, efficient load handling, adaptability, and stability. They enhance the productivity, safety, and efficiency of forestry operations.

It’s important to consult the equipment manufacturer’s documentation and guidelines for specific information on the integration, operation, and maintenance of telescopic cylinders in forestry equipment.

telescopic cylinder

How does a telescopic cylinder contribute to precise reach and positioning?

A telescopic cylinder plays a crucial role in achieving precise reach and positioning in various applications. Here’s a detailed explanation:

Nested structure:

The nested structure of a telescopic cylinder, consisting of multiple stages or sleeves that retract inside one another, enables precise reach and positioning. Each stage can be extended or retracted individually, allowing for incremental adjustments in the cylinder’s length. This modular design provides fine-tuning capabilities, enabling operators to achieve the desired reach and positioning with accuracy.

Controlled extension and retraction:

The hydraulic control system of a telescopic cylinder ensures controlled extension and retraction of the stages. By regulating the flow of hydraulic fluid to each stage, operators can precisely control the speed and movement of the cylinder. This control allows for smooth and gradual extension or retraction, facilitating precise reach and positioning without abrupt or jerky movements.

Adjustable stroke length:

Telescopic cylinders offer the advantage of adjustable stroke length. The hydraulic system can be adjusted to vary the extension and retraction distance, allowing for customization based on the specific reach and positioning requirements of the application. This adjustability enables operators to adapt the cylinder’s stroke length to different tasks and working conditions, ensuring precise and optimized reach.

Position feedback systems:

In some applications, telescopic cylinders may be equipped with position feedback systems. These systems utilize sensors or transducers to provide real-time feedback on the cylinder’s extension or retraction position. By monitoring the position, operators can precisely track and control the reach and positioning of the cylinder, enhancing accuracy and repeatability.

Stability and rigidity:

Telescopic cylinders are designed to maintain stability and rigidity during operation. The nested structure, along with the hydraulic system, helps minimize unwanted oscillations or vibrations that could affect reach and positioning accuracy. This stability ensures that the cylinder maintains its intended position without undesired movement or deflection.

Overall, a telescopic cylinder contributes to precise reach and positioning through its nested structure, controlled extension and retraction, adjustable stroke length, position feedback systems (if equipped), and stability. These features enable operators to achieve accurate and repeatable reach and positioning in various applications.

It’s important to consult the manufacturer’s guidelines and specifications, as well as follow proper maintenance practices, to ensure the reliable and precise performance of telescopic cylinders in achieving reach and positioning requirements.

China Best Sales Telescopic Hydraulic Oil Cylinder Dump Truck Hydraulic Cylinder   with Great quality China Best Sales Telescopic Hydraulic Oil Cylinder Dump Truck Hydraulic Cylinder   with Great quality
editor by CX 2024-03-04