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.
ROCA 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.
| 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 contribute to load stability?
A forklift hydraulic cylinder plays a crucial role in ensuring load stability during lifting and material handling operations. Here’s an explanation of how it contributes to load stability:
Load stability refers to the ability of a forklift to safely lift, carry, and place loads without compromising their balance or causing them to shift unexpectedly. The hydraulic cylinder contributes to load stability in the following ways:
1. Lifting Control:
The hydraulic cylinder allows controlled and smooth lifting of the load. By regulating the flow of hydraulic fluid, the operator can adjust the lifting speed and ensure gradual, steady movement. This controlled lifting action minimizes the risk of load destabilization due to sudden jolts or jerks.
2. Load Balancing:
Hydraulic cylinders can be used in forklifts equipped with load balancing systems. These systems distribute the lifting force evenly across multiple hydraulic cylinders. By sharing the load, each cylinder carries a proportionate weight, reducing the strain on individual components and promoting load stability.
3. Tilting and Fork Positioning:
Hydraulic cylinders are often used to control the tilting of the mast or the positioning of the forks. By adjusting the tilt angle or fork position, the operator can optimize load stability. This feature is particularly important when handling loads with uneven weight distribution or when navigating through narrow spaces.
4. Mast Stability:
The hydraulic cylinder contributes to the stability of the mast assembly. The cylinder’s extension and retraction control the vertical movement of the mast, ensuring proper alignment and support. A stable mast assembly enhances load stability by preventing excessive swaying or wobbling during lifting and material handling operations.
5. Load Lowering:
When lowering the load, the hydraulic cylinder enables controlled and gradual descent. The operator can regulate the flow of hydraulic fluid to prevent sudden drops or impacts that could destabilize the load. This controlled lowering action ensures safe and stable placement of the load.
By incorporating these features and functionalities, a forklift hydraulic cylinder significantly contributes to load stability. It enables controlled lifting, load balancing, precise tilting and fork positioning, mast stability, and controlled load lowering. These capabilities promote safe and efficient material handling operations, reducing the risk of load shifts and maintaining overall load stability.
In summary, a forklift hydraulic cylinder plays a vital role in ensuring load stability. Through its lifting control, load balancing, tilting and fork positioning capabilities, mast stability, and controlled load lowering, the hydraulic cylinder enhances the safe and effective handling of loads, minimizing the risk of instability and accidents.

Can hydraulic cylinders be used in cold storage forklifts?
Yes, hydraulic cylinders can be used in cold storage forklifts. Cold storage forklifts, also known as freezer forklifts or refrigerated forklifts, are specifically designed to operate in cold environments such as cold storage warehouses or freezer rooms. Hydraulic cylinders play an essential role in the functionality of these specialized forklifts. Here’s an explanation of how hydraulic cylinders are used in cold storage forklifts:
Hydraulic cylinders are utilized in cold storage forklifts in the following ways:
1. Mast Lifting:
Similar to standard forklifts, hydraulic cylinders are used to lift and lower the mast in cold storage forklifts. The mast is the vertical assembly that houses the lifting mechanism and forks. Hydraulic cylinders provide the power and control for vertical movement, allowing the forklift to lift and lower loads in cold storage environments.
2. Reach and Extend:
Cold storage forklifts may have telescopic masts or extendable booms to reach and handle loads in high storage racks. Hydraulic cylinders are responsible for extending and retracting the telescopic sections of the mast or boom. This feature enables the forklift to reach and handle pallets or goods located at varying heights in cold storage areas.
3. Load Manipulation:
Hydraulic cylinders contribute to load manipulation in cold storage forklifts. These cylinders are used to control attachments such as side shifters, fork positioners, or clamp mechanisms. By utilizing hydraulic power, the cylinders allow for precise adjustments and positioning of the attachments, facilitating efficient handling of loads in cold storage environments.
4. Operator Controls:
Cold storage forklifts are equipped with operator controls that enable the adjustment and operation of hydraulic cylinders. The forklift operator can use the control levers or buttons within the cabin to activate and control the hydraulic cylinders, adjusting the lifting, reaching, or attachment functions as needed.
5. Cold-Resistant Design:
Hydraulic cylinders used in cold storage forklifts are often designed to withstand low temperatures. They may incorporate special seals, lubricants, or materials that can withstand the cold environment without compromising performance. This ensures the reliability and functionality of the hydraulic system in sub-zero temperatures.
In summary, hydraulic cylinders are integral components of cold storage forklifts, enabling mast lifting, reach and extension, load manipulation, and operator control functions. These cylinders are designed to operate in cold environments and contribute to the efficiency and effectiveness of material handling operations in cold storage warehouses or freezer rooms.

How Does a Forklift Hydraulic Cylinder Contribute to Precise Load Positioning?
A forklift hydraulic cylinder plays a crucial role in achieving precise load positioning during material handling operations. The hydraulic cylinder, along with the hydraulic system of a forklift, enables operators to accurately lift, lower, and position loads with precision. Here’s how a forklift hydraulic cylinder contributes to precise load positioning:
- Controlled Lifting and Lowering:
- Smooth and Gradual Movements:
- Load Sensing and Feedback:
- Fine Adjustment Controls:
- Stability and Balance:
The hydraulic cylinder allows for controlled lifting and lowering of the load. When the operator activates the controls to lift the load, the pressurized hydraulic fluid is directed to the hydraulic cylinder. The hydraulic pressure exerts force on the piston, causing it to extend and lift the load. By regulating the hydraulic pressure and flow, the operator can precisely control the height to which the load is raised. Similarly, during lowering, the hydraulic system enables a controlled descent, allowing for accurate placement of the load.
The hydraulic system, including the cylinder, facilitates smooth and gradual movements of the load. This is achieved through the use of control valves and hydraulic fluid flow regulation. By adjusting the valve settings, the operator can control the speed at which the hydraulic fluid enters or exits the cylinder, resulting in smooth and gradual movements. This level of control allows for precise positioning of the load, especially when working in tight spaces or when dealing with fragile or sensitive materials.
Modern forklifts often incorporate load sensing mechanisms in their hydraulic systems, which further enhance precise load positioning. Load sensing valves continuously monitor the force exerted on the hydraulic cylinder and provide feedback to the hydraulic system. This feedback enables the hydraulic system to adjust the hydraulic pressure and flow rate in real-time, ensuring that the load is positioned accurately and safely. Load sensing technology helps compensate for variations in load weight and provides the operator with greater control and precision.
Forklift hydraulic systems are typically equipped with fine adjustment controls that allow for precise load positioning. These controls, often in the form of joysticks or knobs, enable the operator to make small, incremental adjustments to the lift height or tilt angle of the forks. By manipulating these controls, the operator can fine-tune the position of the load to align it with racks, shelves, or other designated areas. These fine adjustment controls provide the operator with fine-grained control over load positioning, increasing accuracy and efficiency.
The hydraulic cylinder works in conjunction with the overall design and stability features of the forklift to contribute to precise load positioning. Forklifts are designed with a stable base, a low center of gravity, and features such as tilt cylinders and mast positioners. These elements ensure stability and balance during load handling operations, allowing for more accurate positioning of the load. The hydraulic cylinder’s smooth and controlled movements, combined with the stability features of the forklift, enable precise load placement without compromising safety or stability.
In summary, a forklift hydraulic cylinder contributes to precise load positioning through controlled lifting and lowering, smooth and gradual movements, load sensing and feedback mechanisms, fine adjustment controls, and the overall stability and balance of the forklift. These features and capabilities empower operators to handle loads with precision, align them accurately in designated areas, and optimize material handling operations in various industrial settings.


editor by CX 2023-12-02