Product Description
Product Description
Single acting hydraulic cylinder for dump truck
PK SINGLE-ACTING TELESCOPIC CYLINDERS
Work: Up by hydraulic control. Down by trailer body’s self weightInstall position: front-end of the truck
Application:
Dump Trucks and Trailers
Mining Vehicles
Material Handling Vehicles
Construction Vehicles
| Model | Extended Stages | Working Pressure | Max.Rod Diameter | Max.Stroke Length | Lifting Capacity | FC Price (USD) | Suitable Length of Truck Body |
| 129-3E-3880 | 3 | 16-19 MPa | 129mm | 3880mm | 20-35 ton | 1110 | 5.2m |
| 149-3E-3880 | 3 | 16-19 MPa | 149mm | 3880mm | 25-45 ton | 1293 | 5.2m |
| 149-3E-4280 | 3 | 16-19 MPa | 149mm | 4280mm | 25-45 ton | 1293 | 5.6m |
| 149-4E-3880 | 4 | 16-19 MPa | 149mm | 3880mm | 25-40 ton | 1293 | 5.2m |
| 149-4E-4280 | 4 | 16-19 MPa | 149mm | 4280mm | 25-40 ton | 1293 | 5.6m |
| 169-4E-4280 | 4 | 16-19 MPa | 169mm | 4280mm | 30-50 ton | 1400 | 5.2-5.6m |
| 169-4E-4640 | 4 | 16-19 MPa | 169mm | 4640mm | 32-55 ton | 1495 | 5.6-6.1m |
| 169-4E-5000 | 4 | 16-19 MPa | 169mm | 5000mm | 32-60 ton | 1585 | 6.2-6.8m |
| 169-4E-5180 | 4 | 16-19 MPa | 169mm | 5180mm | 32-60 ton | 1630 | 6.2-6.9m |
| 169-4E-5390 | 4 | 16-19 MPa | 169mm | 5390mm | 32-60 ton | 1675 | 6.2-6.9 |
| 169-4E-5460 | 4 | 16-19 MPa | 169mm | 5460mm | 32-60 ton | 1695 | 6.5-7.3 |
| 185-4E-4280 | 4 | 16-19 MPa | 185mm | 4280mm | 25-45 ton | 1295 | 5.6m |
| 185-4E-4640 | 4 | 16-19 MPa | 185mm | 4640mm | 30-45 ton | 1385 | 5.6-6.1m |
| 185-4E-5000 | 4 | 16-19 MPa | 185mm | 5000mm | 32-50 ton | 1475 | 6.2-6.5m |
| 185-4E-5390 | 4 | 16-19 MPa | 185mm | 5390mm | 40-60 ton | 1570 | 6.2-6.8m |
| 185-4E-5460 | 4 | 16-19 MPa | 185mm | 5460mm | 40-65 ton | 1461 | 6.5-7.3m |
| 185-4E-5780 | 4 | 16-19 MPa | 185mm | 5780mm | 45-70 ton | 1610 | 6.9-7.7m |
| 185-4E-6000 | 4 | 16-19 MPa | 185mm | 6000mm | 50-80 ton | 1755 | 7.3-8.2m |
| 191-5E-5780 | 5 | 16-19 MPa | 191mm | 5780mm | 40-70 ton | 2125 | 6.9-7.7m |
| 191-5E-6200 | 5 | 16-19 MPa | 191mm | 6200mm | 45-80 ton | 2270 | 7.3-8.2m |
| 191-5E-7130 | 5 | 16-19 MPa | 191mm | 7130mm | 50-85 ton | 2640 | 7.8-8.5m |
| 191-5E-9030 | 5 | 16-19 MPa | 191mm | 9030mm | 55-90 ton | 3380 | 10-11m |
| 220-5E-7130 | 5 | 16-19 MPa | 220mm | 7130mm | 65-100 ton | 3420 | 7.8-8.5m |
| 220-5E-9030 | 5 | 16-19 MPa | 220mm | 9030mm | 65-100 ton | 4435 | 10-11m |
NOTICE :
1. All cylinder tube material is 27SiMn seamless honed tube.
2. All mounting parts use the high strength forgings and welded on the cylinder rod or tube by the automatic welding machine. Regular and full weld.
3. All import material seal kit (voneseals, hallite or hercules). U-cap with V packing without seal adjustment needed.
4. All the cylinder tube (quenching and heat treatment), with more than 0.03mm hard chromeplating.
5. All tube doing the boring and rolling.
6. All the part produced by CNC MACHINING CENTER.
7. All the parts do the clean before assembly.
All the cylinder do the pressure test and keep pressure more than 5 Min. Test the welding part with developer.
Production process
Product Parameters
Company Profile
ZheJiang Dingsheng Industrial Trade Co., Ltd. is a professional enterprise that supply hydraulic cylinders, hydraulic systems, hydraulic power unit and hydraulic machinery and equipment, with complete product categories, reliable quality and reasonable price. Our factory covers an area of 66,600 square meters. It has a total of 100 sets of deep hole boring equipment, test equipment, various CNC machining machine, cylindrical grinding machines, centerless grinding machines, welding production lines. The factory passed IS O 9001quality system certification.
We take time with each of our customers to ensure that their needs are met from the purchase order to the production, inspection till the delivery, great care goes into each single item we manufacture and sell!
Besides, you deserve more from Dingsheng to know us better:
Verify audit report/Replied within 12 hours/Up to date catalogs/Inspection report/On-time Shipping.
From the vast offerings of innovative designing to our exceptional service, including the ability to customize programs & strict quality control, competitive pricing, these are just a few criteria that have allowed us to achieve the level of success we have today and to partner with some of exciting, innovative customers in today’s international marketplace.
At Dingsheng, your success is our success!
Packaging & Shipping
Customer feedback
Certifications
Our Exhibition
/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Can lift cylinders be used in dock levelers and loading ramps?
Yes, lift cylinders can be used in dock levelers and loading ramps. Here’s an explanation of their utilization in these applications:
Dock levelers and loading ramps are essential equipment in logistics and transportation facilities, allowing for efficient loading and unloading of goods between trucks and loading docks. Lift cylinders play a crucial role in these systems by providing the necessary lifting and positioning capabilities.
In dock levelers, lift cylinders are employed to bridge the gap between the loading dock and the truck bed, ensuring a smooth transition for material handling equipment such as forklifts or pallet jacks. These cylinders are typically integrated into the mechanical or hydraulic systems of the dock leveler, allowing for controlled vertical movement. By extending or retracting the lift cylinders, the dock leveler can be adjusted to match the height of the truck bed, enabling safe and efficient loading or unloading of cargo.
Loading ramps, also known as mobile yard ramps or portable ramps, are used in situations where a permanent loading dock is not available or when additional flexibility is required. Lift cylinders are utilized in loading ramps to provide the means for height adjustment and inclination control. By extending or retracting the lift cylinders, the ramp can be raised or lowered to align with the truck bed height, facilitating the movement of goods between the ramp and the truck.
The use of lift cylinders in dock levelers and loading ramps ensures precise and controlled positioning during the loading and unloading process. Operators can adjust the lift cylinders to match the specific height requirements, allowing for smooth and safe transfer of materials without causing damage to the goods or the equipment.
Lift cylinders used in dock levelers and loading ramps are designed to withstand heavy loads and endure frequent use. They are constructed with robust materials and incorporate features such as seals and bearings to ensure durability and reliability in demanding industrial environments.
Furthermore, lift cylinders in dock levelers and loading ramps may incorporate safety features such as automatic descent control or velocity fuses. These safety mechanisms help prevent sudden drops or uncontrolled movements in the event of a hydraulic system failure, enhancing the overall safety of the loading and unloading operations.
In summary, lift cylinders are commonly utilized in dock levelers and loading ramps to provide reliable and controlled lifting and positioning capabilities. Their ability to handle heavy loads, facilitate height adjustment, and incorporate safety features makes them integral components in these applications, contributing to efficient and safe material handling operations.

Can lift cylinders be used in lifting and tilting equipment for material dumping?
Yes, lift cylinders can be used in lifting and tilting equipment for material dumping. Lift cylinders, also known as hydraulic cylinders, are commonly employed in various industrial applications that involve lifting, pushing, pulling, and holding heavy loads.
When it comes to lifting and tilting equipment for material dumping, lift cylinders play a crucial role in providing the necessary force and controlled movement. Here’s how lift cylinders are used in this context:
- Lifting Mechanism: Lift cylinders are integrated into the lifting mechanism of equipment designed for material dumping. These cylinders are responsible for raising the load, such as a container or a bucket, to the desired height for dumping.
- Tilting Mechanism: Lift cylinders are also utilized in the tilting mechanism of the equipment. They enable controlled tilting of the load, allowing the material to be dumped at the desired angle or location.
- Load Capacity: Lift cylinders are selected based on the load capacity requirements of the equipment. The cylinders must be able to generate sufficient force to lift and tilt the load, ensuring safe and efficient material dumping.
- Control and Safety: Lift cylinders are typically controlled through a hydraulic system that regulates the flow of hydraulic fluid. This allows for precise control over the lifting and tilting actions. Safety features such as pressure relief valves and position sensors may also be incorporated to ensure safe operation.
The use of lift cylinders in lifting and tilting equipment for material dumping offers several advantages. It provides reliable and controlled lifting and tilting capabilities, allowing for efficient material handling. The hydraulic nature of these cylinders enables smooth and precise movements, enhancing the overall performance and productivity of the equipment.
In conclusion, lift cylinders are indeed suitable for use in lifting and tilting equipment for material dumping. Their ability to generate the necessary force and provide controlled movement makes them essential components in this type of machinery.

How does a lift cylinder differ from other types of hydraulic cylinders?
A lift cylinder, also known as a hydraulic lift cylinder or hydraulic lifting cylinder, has some distinct characteristics that set it apart from other types of hydraulic cylinders. Here’s an explanation of how a lift cylinder differs from other hydraulic cylinders:
While hydraulic cylinders come in various types and designs, including single-acting, double-acting, telescopic, and differential, a lift cylinder typically refers to a double-acting cylinder. Here are some key differences:
1. Double-Acting Design:
A lift cylinder is generally designed as a double-acting cylinder, meaning it can generate force in both the extension and retraction strokes. This allows for bidirectional movement and greater flexibility in lifting and lowering operations. In contrast, some other types of hydraulic cylinders, such as single-acting cylinders, generate force in only one direction.
2. Linear Motion:
The primary function of a lift cylinder is to provide linear motion for lifting and lowering loads. It is specifically designed to generate vertical movement, making it suitable for applications that require vertical displacement, such as hydraulic lifts, scissor lifts, and elevating platforms.
3. Load Capacity:
Due to their design and intended use, lift cylinders are typically designed to handle heavier loads compared to other types of hydraulic cylinders. They are engineered to provide high lifting capacities and withstand the forces associated with lifting heavy objects.
4. Control Valve Configuration:
Lift cylinders often require specialized control valve configurations to regulate their operation. This is because precise control is crucial in lifting and lowering operations, especially in applications where safety and accuracy are paramount, such as in hydraulic lifts or elevators.
5. Application-Specific:
While other types of hydraulic cylinders have diverse applications across various industries, lift cylinders are commonly used in specific applications that require vertical lifting and lowering. They are frequently employed in hydraulic lifts, scissor lifts, material handling equipment, and other vertical motion systems.
6. Construction and Mounting:
Lift cylinders may have specific construction features and mounting options to accommodate their application requirements. For example, they may include features like safety locks, cushioning mechanisms, or specialized mounting brackets to ensure secure and efficient operation in lifting applications.
In summary, a lift cylinder differs from other types of hydraulic cylinders in terms of its double-acting design, focus on linear motion for lifting and lowering, higher load capacity, specialized control valve configuration, application-specific usage, and construction features tailored for lifting applications. These distinctions make lift cylinders well-suited for vertical motion systems and applications that require reliable and precise lifting operations.


editor by Dream 2024-11-29