Product Description
Parker Telescopic Hydraulic Dump Truck/Trailer Cylinder/Roll-Off hoist
Features
·Parker Seal Division-“Zero-leak”Sealing Package
·100,000 Yield Induction Hardened Chrome Plated Rod as Standard
·Skived and Burnished Tubing
·Hardened Pin-eye Bushings
·Parker”Zero-leak” Internal Bypass Piston Design
·Greater Rod Support
Benefits
·Leak Free Extended Life
·More Resilient to External Damage
·Consistant Quality
·Extends Cylinder Life as Cylinder Wears
·More Efficient/Less Heat
·Resiste rod Deflection and Side Loading
| Part Description | |
| Application | Dump truck,Tipping,Trailer,Underbody,Roll-off Hoist |
| Material of cylinder tube | 45 steel,27SiMn,Carbon steel,Alloy steel and general seamless steel |
| Seal | Hallite,SKF,NOK,Guarnitec,Parker,and other equivalent brands |
| Coating | Hard Chrome 0.03-0.05mm |
| Temperature | _30°C to +100°C |
| Working Pressure | 16Mpa-20Mpa |
| Stroke | 2755mm-8530mm |
| Color | as Customer’s Requirement |
| Mounting type | Earring-trunnion,double trunnion,double earring(eye end) |
| Plunger | 20#,45# steel with high frequency quenching |
| Certification | ISO/TS 16949,ISO9001,ABS,API,SGS |
| Package | Shrink film,pallet,plywood case |
| Warranty | 12 months |
| Delivery time | 25-30 days after down payment |
| SKU# | |
Why choose us?
Roca team takes all your concerns into consideration to suit your hydraulic cylinder requirements. We work out the best design solution for your application.
Hydraulic cylinders are the most effective and efficient method of pushing, pulling, lifting, and lowering.
Nowadays hydraulic cylinders play an essential role in daily application and industry:
√ Mining
√ Earthmoving & Construction
√ Agriculture &Forestry
√Waste Management & Material Handing
√Ship crane & offshore
Selecting the right cylinders for an application is critical in obtaining maximum performance and reliability.
CHINAMFG team considers all your concerns to suit your hydraulic cylinder requirements.
Together, we work out the best design solution for your application.
FAQ
Q1.Do you have MOQ?
Depending on different ideas, Can be negotiated. The larger the quantity is, the competitive the unit price will be.
Q2.Should the customer pay the delivery fee, How much is it?
For the delivery fee, many samples are being requested to be sent, so we must get the delivery fee.
If you tell me to use the appointed Express, you will give me your express account or you will pay according to the Express.
If you do not request, I will choose a cheap one in China.
Q3.How about the after sale service?
1) We will always keep the quality the same as the buyer’s samples and if there is something with the quality, we will make compensation for our customers.
2) We will suggest our packing and take charge in our packing, we will keep the goods safe in the delivery.
3) We will trace the goods from the production to selling, we will solve the problems in the selling for our customers.
Q4.When can I get a price?
We usually quote within 24 hours after we get your inquiry.
Q5: Are you a trade company or manufacturer?
We are a professional manufacturer with our own factory.
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| Certification: | RoHS, CE, ISO9001 |
|---|---|
| Pressure: | High Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Single Acting |
| Working Method: | Rotary |
| Adjusted Form: | Regulated Type |
| Customization: |
Available
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How does a forklift hydraulic cylinder handle variations in cylinder size?
A forklift hydraulic cylinder is designed to handle variations in cylinder size and accommodate different lifting capacities. Here’s an explanation of how it achieves this:
The hydraulic cylinder’s ability to handle variations in cylinder size is primarily dependent on its design and the following factors:
1. Piston Diameter:
The piston diameter of the hydraulic cylinder determines the lifting force it can generate. Forklift hydraulic cylinders are designed with different piston diameters to accommodate various load capacities. Larger piston diameters provide higher lifting capacities, while smaller diameters are suitable for lighter loads. The cylinder is designed and manufactured to match the required lifting capacity based on the forklift’s specifications.
2. Cylinder Construction:
The hydraulic cylinder is constructed to withstand the forces exerted during lifting operations. The materials used in its construction, such as high-strength steel, are selected based on the anticipated load capacities. The cylinder’s structural integrity ensures that it can handle the stress and pressure exerted during lifting, regardless of the cylinder size.
3. Hydraulic System Pressure:
The hydraulic system pressure plays a crucial role in determining the lifting capacity of the cylinder. By increasing or decreasing the pressure of the hydraulic fluid, the lifting force generated by the cylinder can be adjusted. The forklift’s hydraulic system is designed to provide sufficient pressure to match the lifting requirements of different cylinder sizes.
4. Control Valves and Flow:
The forklift’s hydraulic system incorporates control valves that regulate the flow of hydraulic fluid to the cylinder. These valves allow the operator to control the speed and force of the cylinder’s extension and retraction. By adjusting the flow rate, the lifting capacity can be tailored to suit the specific cylinder size and the load being lifted.
5. Sealing Mechanisms:
The hydraulic cylinder incorporates seals to prevent fluid leakage and maintain pressure. These seals, designed to accommodate different cylinder sizes, ensure a proper seal between the piston and cylinder barrel. They are selected based on the specific requirements of the cylinder size to maintain optimal performance and prevent leakage.
In summary, a forklift hydraulic cylinder handles variations in cylinder size by incorporating design elements such as piston diameter, appropriate construction materials, hydraulic system pressure, control valves, and sealing mechanisms. These factors work together to ensure that the cylinder can generate the required lifting force and withstand the forces exerted during lifting operations, regardless of the cylinder size.

How does a forklift hydraulic cylinder handle variations in cylinder mounting?
A forklift hydraulic cylinder is designed to handle variations in cylinder mounting to accommodate different forklift configurations and applications. Here’s an explanation of how it can handle such variations:
The forklift hydraulic cylinder handles variations in cylinder mounting in the following ways:
1. Adjustable Mounting Brackets:
Many forklift hydraulic cylinders feature adjustable mounting brackets. These brackets allow for flexibility in positioning and aligning the cylinder to fit the specific requirements of the forklift. By adjusting the mounting brackets, the cylinder can be securely attached to the forklift frame, accommodating variations in mounting points, angles, and distances.
2. Threaded Rod Ends:
Threaded rod ends are commonly used in forklift hydraulic cylinders. These rod ends provide a threaded connection that allows for fine adjustments in cylinder mounting. By rotating the rod ends, the cylinder’s position can be modified, compensating for variations in mounting locations or angles.
3. Clevis Mounts:
Clevis mounts are another type of mounting mechanism used in forklift hydraulic cylinders. These mounts consist of a clevis bracket that attaches to the cylinder and a clevis pin that connects to the forklift. Clevis mounts offer a range of mounting positions to accommodate different forklift configurations. They provide flexibility in cylinder attachment, allowing for adjustments to compensate for variations in mounting points and angles.
4. Customizable Mounting Options:
In some cases, forklift hydraulic cylinders can be customized to meet specific mounting requirements. Manufacturers may offer options for custom brackets, rod ends, or mounting configurations based on the forklift’s unique specifications. This customization ensures proper alignment and secure attachment of the cylinder, even in situations with significant variations in mounting.
5. Alignment and Adjustment Mechanisms:
Forklift hydraulic cylinders may incorporate alignment and adjustment mechanisms to facilitate proper cylinder mounting. These mechanisms, such as swivel joints or adjustable linkage systems, allow for fine-tuning and alignment of the cylinder during installation. They enable the operator or technician to compensate for any variations in mounting, ensuring optimal performance and functionality.
In summary, a forklift hydraulic cylinder can handle variations in cylinder mounting through adjustable mounting brackets, threaded rod ends, clevis mounts, customizable mounting options, and alignment and adjustment mechanisms. These features provide flexibility and adaptability, allowing the cylinder to be securely mounted and properly aligned to ensure efficient and reliable operation in different forklift configurations and applications.

What is a forklift hydraulic cylinder and how does it work?
A forklift hydraulic cylinder is a crucial component in the hydraulic system of a forklift. It is responsible for generating the force required to lift and lower the load. Here’s a detailed explanation of its function and operation:
Function:
A forklift hydraulic cylinder is designed to convert hydraulic pressure into linear force. It consists of a cylindrical barrel, a piston, piston rod, seals, and ports for hydraulic fluid entry and exit. The cylinder is usually mounted vertically within the forklift’s mast assembly.
Operation:
The hydraulic cylinder operates based on the principle of Pascal’s law, which states that when pressure is applied to a fluid in an enclosed system, the pressure is transmitted equally in all directions.
When the operator activates the forklift’s hydraulic control, hydraulic fluid (usually oil) is pressurized and directed into the cylinder through the inlet port. The pressurized fluid enters one side of the cylinder, pushing the piston and piston rod upwards.
As the piston rod extends, it applies force to the load-bearing structure of the forklift, such as the mast or the lifting mechanism. This force enables the forklift to lift heavy loads to the desired height.
Conversely, when the operator releases the hydraulic control, the hydraulic fluid is allowed to exit the cylinder through the outlet port. The fluid flows back into the hydraulic reservoir, and the weight of the load or a counterbalance system helps lower the piston and piston rod.
The hydraulic cylinder’s movement is controlled by the operator through the forklift’s hydraulic control system, which regulates the flow of hydraulic fluid into and out of the cylinder. By adjusting the flow rate and direction, the operator can control the speed and direction of the cylinder’s extension and retraction.
The seals within the hydraulic cylinder prevent fluid leakage and ensure efficient operation. They help maintain the pressure inside the cylinder, allowing the hydraulic system to generate the necessary force consistently.
In summary, a forklift hydraulic cylinder is a hydraulic device that converts hydraulic pressure into linear force. It operates based on Pascal’s law, using pressurized hydraulic fluid to extend and retract the piston rod, enabling the forklift to lift and lower heavy loads.


editor by CX 2024-02-05