China Custom 4 Stage Front-End Telescopic Hydraulic Cylinder for Dump Truck with Great quality

Product Description

FC Type telescopic cylinder for dump truck and trailer body

1. Company Information
  Found 1995,w are 1 of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulic machinery products etc, with its annual production capaciy of 2 square meters.There are 700 sets of mnufacturing equipment .

Product Description

  2. hydraulic telescopic cylinder for dump truck drawing and parameter 

FC type

ITEM  MODEL NO. # of Stages Largest Moving Stage Diameter(mm) stroke(mm) the largest sleeve OD(mm) mounting distance(mm) 
1  WTHY FC-3-110-3205 3 110 3205 168 343
2   WTHY FC-3-110-3460 3 110 3460 168 343
3  WTHY FC-3-129-2980 3 129 2980 218 343
4  WTHY FC-3-129-3205 3 129 3205 218 343
5  WTHY FC-3-129-3460 3 129 3460 218 343
6  WTHY FC-3-129-3880 3 129 3880 218 343
7   WTHY FC-3-129-4270 3 129 4270 218 343
8   WTHY FC-4-129-4280 4 129 4280 218 343
9   WTHY FC-4-129-4280 4 129 4280 218 343
10   WTHY FC-4-129-5180 4 129 5180 218 343
11   WTHY FC-3-149-4270 3 149 4270 244 343
12   WTHY FC-4-149-3680 4 149 3680 218 343
13   WTHY FC-4-149-3980 4 149 3980 218 343
14   WTHY FC-4-149-4280 4 149 4280 244 343
15   WTHY FC-4-149-4620 4 149 4620 244 343
16   WTHY FC-4-149-4940 4 149 4940 244 343
17  WTHY FC-4-149-5180 4 149 5180 244 343
18   WTHY FC-4-149-5460 4 149 5460 244 343
19   WTHY FC-4-169-4280 4 169 4280 244 343
20   WTHY FC-4-169-4620 4 169 4620 244 343
21   WTHY FC-4-169-4940 4 169 4940 244 343
22   WTHY FC-4-169-5180 4 169 5180 244 343
23  WTHY FC-4-169-5460 4 169 5460 244 343
24  WTHY FC-5-169-5355 5 169 5355 244 343
25  WTHY FC-5-169-5780 5 169 5780 244 343
26  WTHY FC-5-169-6180 5 169 6180 244 343
27  WTHY FC-5-169-6830 5 169 6830 244 343
28  WTHY FC-5-169-7130 5 169 7130 244 343
29  WTHY FC-5-169-7630 5 169 7630 244 343
30  WTHY FC-5-169-8130 5 169 8130 244 343
31  WTHY FC-5-169-9030 5 169 9030 244 343
32  WTHY FC-5-169-9530 5 169 9530 244 343
33  WTHY FC-4-191-5460 4 191 5460 274 343
34  WTHY FC-5-191-5780 5 191 5780 274 343
35  WTHY FC-5-191-6180 5 191 6180 274 343
36  WTHY FC-5-191-7130 5 191 7130 274 343
37  WTHY FC-5-191-7630 5 191 7630 274 343
38  WTHY FC-5-191-8130 5 191 8130 274 343
39  WTHY FC-5-191-9030 5 191 9030 274 343
40  WTHY FC-5-191-9530 5 191 9530 274 343
41  WTHY FC-5-214-7610 5 214 7610 274 343
42  WTHY FC-5-214-9030 5 214 9030 274 343

FE type

ITEM MODLE NO. # of Stages Largest Moving Stage Diameter(mm) stroke(mm) mounting distance(mm) 
1 WTHY FE-3-110-3205 3 110 3205 1449
2 WTHY FE-3-110-3460 3 110 3460 1609
3 WTHY FE-3-129-3460 3 129 3460 1449
4 WTHY FE-3-129-3880 3 129 3880 1609
5 WTHY FE-3-149-2900 3 149 2900 1320
6 WTHY FE-3-149-3200 3 149 3200 1420
7 WTHY FE-3-149-3500 3 149 3500 1520
8 WTHY FE-3-149-3880 3 149 3880 1644
9 WTHY FE-4-149-4280 4 149 4280 1450
10 WTHY FE-4-149-4940 4 149 4940 1529
11 WTHY FE-4-149-4620 4 149 4620 1484
12 WTHY FE-4-169-4280 4 169 4280 1394
13 WTHY FE-4-169-4450 4 169 4450 1437
14 WTHY FE-4-169-4620 4 169 4620 1479
15 WTHY FE-4-169-4940 4 169 4940 1529
16 WTHY FE-4-169-5000 4 169 5000 1574
17 WTHY FE-4-169-5180 4 169 5180 1604
18 WTHY FE-5-169-5355 5 169 5355 1394
19 WTHY FE-5-169-5780 5 169 5780 1559
20 WTHY FE-5-169-6180 5 169 6180 1527
21 WTHY FE-5-169-6480 5 169 6480 1604
22 WTHY FE-5-169-6830 5 169 6830 1674
23 WTHY FE-5-169-7130 5 169 7130 1769
24 WTHY FE-5-191-6180 5 191 6180 1527
25 WTHY FE-5-191-9030 5 191 9030 2177
26 WTHY FE-6-191-7420 6 191 7420 1677
27 WTHY FE-5-214-6830 5 214 6830 1662
28 WTHY FE-5-214-7130 5 214 7130 1722


  3. hydraulic telescopic cylinder for dump truck produce line

700 sets manufacturing equipment,such as cold drawing production line ,heat treatment production line ,surface treatment production line,testing equipment,various digital-control machining equipment,gantry style linear electroplating production line.

4. hydraulic telescopic cylinder for dump truck quality guarantee system

Program before Delivery

1). Trial Operation Test

2). Start-up Pressure Test

3). Pressure-Tight Test

4). Leak Test

5). Full Stroke Test

6). Buffer Test

7). Testing the Effect of Limit

8). Load Efficiency Test

9). Reliability Test

Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.

  Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.

5. After-service
    1).Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system,   test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers .
    2).The sale service: Provide training and technical support for users.
    3).After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need. 
    4). 24 hours telephone service hotline.

6.Exhibition and partner

7. FAQ

Q1:What’s the brand name of your products ?

A:Generally,we use our own brand “WTJX”,OEM is also available as required.

Q2:Hydraulic cylinder internal leakage?

A: There are 3 main reasons causing internal leakage :Overload,polishing is not well controlled,bad seal kits.As is known to all,vehicles in China are often overload,our products all designed to  bear the overload power.We have numerical control machine  to assure the polish processing .And we use the imported seals to meet customers’ demands.

Q3:Does your piston rod get ruptured easily?

A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.

Q4:Is your design reasonable? What about your product safe coefficient?

A:We have R&D team with abundant design experience. We also established production, education, and research cooperation with universities . Rest assured.

Q5:What about the quality feedback of your products?

A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line , so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder. !!!


Q6:Is the sample free?

A:Yes.In our acceptable range, we can offer a sample by charging freight. And we will return the fee after you place bulk order.

Q7:How about the delivery time?

A: Over 700 sets advanced equipments to meet customer’s large demand in short delivery time.Generally ,it’s 20 days.

Q8:What ‘s the after-service?

A:If the quality can’t meet your requirement ,we will pay all your lost and offer technical support to solve your problem!!!


Certification: CE, ISO9001
Pressure: 16MPa-20MPa
Work Temperature: -30~+100 Degree Centigrade
Acting Way: Single Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type


hydraulic cylinder

How do hydraulic cylinders handle the challenges of minimizing friction and wear?

Hydraulic cylinders employ several mechanisms and techniques to effectively minimize friction and wear, ensuring optimal performance and longevity. Minimizing friction and wear is crucial for hydraulic cylinders as it helps to maintain efficiency, reduce energy consumption, and prevent premature failure. Here’s a detailed explanation of how hydraulic cylinders handle the challenges of minimizing friction and wear:

1. Lubrication:

– Proper lubrication is essential for minimizing friction and wear in hydraulic cylinders. Lubricating fluids, such as hydraulic oils, are used to create a thin film between moving surfaces, reducing direct metal-to-metal contact. This lubricating film acts as a protective barrier, reducing friction and preventing wear. Regular maintenance practices include monitoring and maintaining the appropriate lubricant levels to ensure optimal lubrication and minimize frictional losses.

2. Surface Finishes:

– The surface finishes of components in hydraulic cylinders play a crucial role in minimizing friction and wear. Smoother surface finishes, achieved through precision machining, grinding, or the application of specialized coatings, reduce surface roughness and frictional resistance. By minimizing surface irregularities, the risk of wear and friction-induced damage is significantly reduced, resulting in improved efficiency and extended component life.

3. High-Quality Sealing Systems:

– Well-designed and high-quality sealing systems are crucial for minimizing friction and wear in hydraulic cylinders. Seals prevent fluid leakage and contamination while maintaining proper lubrication. Advanced sealing materials, such as polyurethane or composite materials, offer excellent wear resistance and low friction characteristics. Optimal seal design and proper installation ensure effective sealing, minimizing friction and wear between the piston and cylinder bore.

4. Proper Alignment and Clearances:

– Hydraulic cylinders must be properly aligned and have appropriate clearances to minimize friction and wear. Misalignment or excessive clearances can result in increased friction and uneven wear, leading to premature failure. Proper installation, alignment, and maintenance practices, including regular inspection and adjustment of clearances, help ensure smooth and even movement of the piston within the cylinder, reducing friction and wear.

5. Filtration and Contamination Control:

– Effective filtration and contamination control are essential for minimizing friction and wear in hydraulic cylinders. Contaminants, such as particles or moisture, can act as abrasive agents, accelerating wear and increasing friction. By implementing robust filtration systems and proper maintenance practices, hydraulic systems can prevent the ingress of contaminants, ensuring clean and properly lubricated components. Clean hydraulic fluids help minimize wear and friction, contributing to improved performance and longevity.

6. Material Selection:

– The selection of appropriate materials for hydraulic cylinder components is crucial in minimizing friction and wear. Components subject to high frictional forces, such as pistons and cylinder bores, can be made from materials with excellent wear resistance, such as hardened steel or composite materials. Additionally, selecting materials with low coefficients of friction helps reduce frictional losses. Proper material selection ensures durability and minimized wear in critical components of hydraulic cylinders.

7. Maintenance and Regular Inspection:

– Regular maintenance and inspection practices are vital for identifying and addressing potential issues that could lead to increased friction and wear in hydraulic cylinders. Scheduled maintenance includes lubrication checks, seal inspections, and monitoring of clearances. By promptly detecting and rectifying any signs of wear or misalignment, hydraulic cylinders can be kept in optimal condition, minimizing friction and wear throughout their operational lifespan.

In summary, hydraulic cylinders employ various strategies to handle the challenges of minimizing friction and wear. These include proper lubrication, employing suitable surface finishes, utilizing high-quality sealing systems, ensuring proper alignment and clearances, implementing effective filtration and contamination control measures, selecting appropriate materials, and conducting regular maintenance and inspections. By implementing these practices, hydraulic cylinders can minimize friction and wear, ensuring smooth and efficient operation while extending the overall lifespan of the system.

hydraulic cylinder

Can you provide real-world examples of machinery that heavily rely on hydraulic cylinders?

Hydraulic cylinders are widely used in various industries and applications due to their ability to provide powerful and precise linear motion. They play a crucial role in enabling the operation of heavy machinery that requires controlled force and movement. Here are some real-world examples of machinery that heavily rely on hydraulic cylinders:

1. Construction Equipment:

– Hydraulic cylinders are extensively used in construction machinery, such as excavators, bulldozers, loaders, and cranes. These machines rely on hydraulic cylinders to perform tasks like lifting heavy loads, extending and retracting booms, tilting buckets, and controlling the movement of various components. Hydraulic cylinders provide the power and precision required to handle the demanding conditions and heavy loads encountered in construction projects.

2. Agricultural Machinery:

– Many agricultural machines, including tractors, combine harvesters, and sprayers, utilize hydraulic cylinders for critical operations. Hydraulic cylinders are used to control the movement of attachments, such as front loaders, backhoes, and plows. They enable functions like lifting and lowering implements, adjusting cutting heights, and controlling the positioning of harvesting equipment. Hydraulic cylinders enhance efficiency and productivity in agricultural operations.

3. Material Handling Equipment:

– Hydraulic cylinders are integral components of material handling equipment, such as forklifts, pallet jacks, and cranes. These machines rely on hydraulic cylinders to lift and lower loads, tilt platforms or forks, and control the movement of lifting mechanisms. Hydraulic cylinders provide the necessary strength and precision to handle heavy loads and ensure safe and efficient material handling operations.

4. Industrial Machinery:

– Various industrial machinery and equipment heavily rely on hydraulic cylinders for critical functions. Examples include hydraulic presses, injection molding machines, metal-forming machines, and hydraulic-powered robots. Hydraulic cylinders enable precise control of force and movement in these applications, allowing for accurate shaping, pressing, and assembly processes.

5. Mining Equipment:

– Hydraulic cylinders are extensively used in mining machinery and equipment. Underground mining machines, such as continuous miners and longwall shearers, utilize hydraulic cylinders for cutting, shearing, and roof support operations. Surface mining equipment, including hydraulic shovels, draglines, and haul trucks, rely on hydraulic cylinders for tasks like bucket movement, boom extension, and vehicle suspension.

6. Automotive Industry:

– The automotive industry extensively utilizes hydraulic cylinders in various applications. Hydraulic cylinders are employed in vehicle suspension systems, power steering systems, convertible tops, and hydraulic brake systems. They enable smooth and controlled movement, precise steering, and efficient braking in automobiles.

7. Aerospace and Aviation:

– Hydraulic cylinders are utilized in aerospace and aviation applications, such as aircraft landing gear systems, wing flaps, and cargo handling equipment. Hydraulic cylinders provide the necessary force and control for extending and retracting landing gear, adjusting wing flaps, and operating cargo doors, ensuring safe and reliable aircraft operations.

8. Marine and Offshore Industry:

– Hydraulic cylinders are essential components in marine and offshore equipment, including ship cranes, winches, and hydraulic-powered anchor systems. They enable lifting, lowering, and positioning of heavy loads, as well as the control of various marine equipment.

These are just a few examples of machinery and industries that heavily rely on hydraulic cylinders. The versatility, power, and precise control offered by hydraulic cylinders make them indispensable in a wide range of applications, where controlled linear motion and force are essential.

hydraulic cylinder

How do hydraulic cylinders ensure precise and controlled movement in equipment?

Hydraulic cylinders are widely used in various equipment and machinery to provide precise and controlled movement. They utilize hydraulic fluid and mechanical components to achieve accurate positioning, smooth operation, and reliable control. Here’s a detailed explanation of how hydraulic cylinders ensure precise and controlled movement in equipment:

1. Hydraulic Principle:

– Hydraulic cylinders operate based on Pascal’s law, which states that pressure exerted on a fluid is transmitted equally in all directions. The hydraulic fluid is contained within the cylinder, and when pressure is applied, it acts on the piston, generating force. By controlling the pressure and flow of hydraulic fluid, the movement of the cylinder can be precisely regulated, allowing for accurate and controlled motion.

2. Force and Load Management:

– Hydraulic cylinders are designed to handle specific loads and forces. The force generated by the hydraulic cylinder depends on the hydraulic pressure and the surface area of the piston. By adjusting the pressure, the force output can be controlled. This allows for precise management of the load and ensures that the cylinder can handle the required force without exerting excessive or insufficient force. Proper load management contributes to the precise and controlled movement of the equipment.

3. Control Valves:

– Control valves play a crucial role in regulating the flow and direction of hydraulic fluid within the cylinder. These valves allow operators to control the extension and retraction of the cylinder, adjust the speed of movement, and stop or hold the cylinder at any desired position. By manipulating the control valves, precise and controlled movement can be achieved, enabling operators to position equipment accurately and perform specific tasks with precision.

4. Flow Control:

– Hydraulic cylinders incorporate flow control valves to manage the rate of hydraulic fluid flow. These valves control the speed of the cylinder’s extension and retraction, allowing for smooth and controlled movement. By adjusting the flow rate, operators can precisely control the speed of the cylinder, ensuring that it moves at the desired rate without sudden or erratic movements. Flow control contributes to the overall precision and control of the equipment’s movement.

5. Position Sensing:

– To ensure precise movement, hydraulic cylinders can be equipped with position sensing devices such as linear transducers or proximity sensors. These sensors provide feedback on the position of the cylinder, allowing for accurate position control and closed-loop control systems. By continuously monitoring the position, the equipment’s movement can be controlled with high accuracy, enabling precise positioning and operation.

6. Proportional Control:

– Advanced hydraulic systems utilize proportional control technology, which allows for precise and fine-tuned control of the hydraulic cylinder’s movement. Proportional valves, often operated by electronic control systems, provide variable flow rates and pressure adjustments. This technology enables precise control of speed, force, and position, resulting in highly accurate and controlled movement of the equipment.

7. Cushioning and Damping:

– Hydraulic cylinders can incorporate cushioning and damping mechanisms to ensure smooth and controlled movement at the end of the stroke. Cushioning features, such as adjustable cushions or shock absorbers, reduce the impact and decelerate the cylinder before reaching the end of the stroke. This prevents abrupt stops and minimizes vibrations, contributing to precise and controlled movement.

8. Load Compensation:

– Some hydraulic systems utilize load compensation mechanisms to maintain precise movement even when the load varies. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This compensation ensures that the equipment’s movement remains accurate and controlled, regardless of changes in the applied load.

In summary, hydraulic cylinders ensure precise and controlled movement in equipment through the application of hydraulic principles, force and load management, control valves, flow control, position sensing, proportional control, cushioning and damping mechanisms, and load compensation. These features and technologies allow operators to achieve accurate positioning, smooth operation, and reliable control, enabling equipment to perform tasks with precision and efficiency. The combination of hydraulic power and careful design considerations ensures that hydraulic cylinders deliver precise and controlled movement in a wide range of industrial applications.

China Custom 4 Stage Front-End Telescopic Hydraulic Cylinder for Dump Truck   with Great quality China Custom 4 Stage Front-End Telescopic Hydraulic Cylinder for Dump Truck   with Great quality
editor by CX 2023-10-30