Product Description
| CASE Excavator Hydraulic Oil Cylinder Arm Boom Bucket Cylinder Hydraulic Cylinder for CASE CX Series | |||
| Part number | Tube dia mm | Rod dia mm | Stroke mm |
| 205-63-57100 | 120 | 85 | 1285 |
| 206-63-57100 | 120 | 85 | 1285 |
| 205-63-57160 | 120 | 85 | 1285 |
| 205-63-57120 | 135 | 95 | 1490 |
| 203-63-57130 | 125 | 85 | 1120 |
| 203-63-57131 | 125 | 85 | 1120 |
| 205-63-57130 | 125 | 85 | 1120 |
Specifications
1.Supply to USA,Europe,and Australia, Russia.
2.Material:Stainless Steel
3.Professional performance excavator parts supplier
4. High quality and low price
FAQ
Q1: Are you Manufacture or Trade Company?
A1: We are manufacture,we have 20 years experience for supply Metal material and products in domestic.
Q2: How can we guarantee quality?
A2: Always a pre-production sample before mass production;Always final Inspection before shipment;
Q3: What is your terms of payment ?
A3: 1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.CHINAMFG negotiation
Q4: Can you provide Certificates for aluminum materials ?
A4:Yes,we can supply MTC-Material Test Certificate.
Q5: Can you provide sample?
A5: Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after
you make an order.
| Certification: | GS, RoHS, CE, ISO9001 |
|---|---|
| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Piston Cylinder |
| Adjusted Form: | Switching Type |
| Customization: | Available |
|
|---|

How does a boom cylinder contribute to efficient and controlled lifting and lowering?
A boom cylinder plays a crucial role in enabling efficient and controlled lifting and lowering in heavy equipment. Here’s a detailed explanation:
When it comes to lifting and lowering operations, a boom cylinder provides several key contributions:
- Powerful Hydraulic Force: A boom cylinder generates the necessary hydraulic force to lift and lower heavy loads. The cylinder is connected to the boom or lifting arm of the equipment and uses hydraulic pressure to extend or retract, thus moving the attached load. The hydraulic force generated by the cylinder is capable of exerting significant lifting capacity, allowing for efficient handling of heavy objects.
- Variable Force Control: Boom cylinders have the ability to adjust the force exerted during lifting and lowering operations. Hydraulic systems can regulate the pressure and flow rate of the hydraulic fluid, which directly affects the force generated by the cylinder. This variable force control allows operators to match the lifting capacity to the specific load requirements, ensuring efficient and controlled lifting and lowering.
- Smooth and Precise Movement: Boom cylinders provide smooth and precise movement during lifting and lowering operations. The hydraulic system allows for gradual acceleration and deceleration, minimizing jerky movements that could potentially damage the load or compromise operator safety. The controlled movement facilitated by the boom cylinder enables operators to position the load accurately and make fine adjustments as needed.
- Stroke Length Adjustment: Boom cylinders often have adjustable stroke lengths, which determine the maximum extension and retraction of the cylinder. This feature allows operators to optimize the lifting and lowering process by adjusting the stroke length according to the height or depth requirements of the task. It provides flexibility and control over the range of motion, making the operation more efficient and adaptable to varying work conditions.
- Integration with Hydraulic Control Systems: Boom cylinders are typically integrated into hydraulic control systems, which enable centralized control and coordination of multiple hydraulic functions. These systems can be equipped with joysticks, control valves, and electronic sensors that provide precise command inputs and feedback. The integration of boom cylinders with hydraulic control systems enhances the overall efficiency and control of lifting and lowering operations.
By combining powerful hydraulic force, variable force control, smooth movement, stroke length adjustment, and integration with hydraulic control systems, boom cylinders contribute to efficient and controlled lifting and lowering in heavy equipment. These features enable operators to handle heavy loads with precision, optimize productivity, and ensure safe and reliable operations in various industries.

How does a boom cylinder handle variations in cylinder size and capacity?
A boom cylinder is designed to handle variations in cylinder size and capacity. Here’s a detailed explanation:
Boom cylinders are hydraulic actuators used in various applications, such as construction equipment, material handling machinery, or forestry equipment. They are responsible for providing the necessary force and controlled movement to extend, retract, and articulate the boom or arm.
When it comes to handling variations in cylinder size and capacity, boom cylinders are designed and manufactured to match the specific requirements of the equipment and the intended application. Here’s how they handle these variations:
- Size Customization: Boom cylinders can be customized in terms of size to fit different equipment configurations. The size of the cylinder, including its length and diameter, can be adjusted to ensure proper installation and compatibility with the boom or arm it is attached to. The size customization allows for optimized performance and efficient operation of the equipment.
- Capacity Selection: Boom cylinders are available in different capacity options to handle varying loads and operating conditions. The capacity of the cylinder refers to its ability to generate the required force to move the boom or arm. Higher capacity cylinders are used for heavy-duty applications, while lower capacity cylinders are suitable for lighter loads. The appropriate capacity selection ensures that the boom cylinder can handle the specific load requirements of the equipment.
- Pressure and Flow Control: Boom cylinders utilize hydraulic systems to generate the required force. The hydraulic pressure and flow rate can be adjusted or controlled to match the cylinder size and capacity. By regulating the pressure and flow, the boom cylinder can effectively handle variations in size and capacity while maintaining the desired performance and control.
- Sealing and Internal Components: Boom cylinders are equipped with sealing systems and internal components that are designed to withstand the forces and pressures involved. These components are carefully selected to ensure compatibility with the cylinder size and capacity. Proper sealing and internal components help to maintain the cylinder’s efficiency and prevent leaks or failures, regardless of the size or capacity of the cylinder.
Overall, boom cylinders are engineered to handle variations in cylinder size and capacity by offering customization options, capacity selection, pressure and flow control, and appropriate sealing and internal components. These features ensure that the boom cylinders can effectively and reliably perform their intended functions across different equipment configurations and operating conditions.
It’s important to consult the equipment manufacturer’s guidelines and recommendations when selecting and installing boom cylinders to ensure compatibility and optimal performance.

What are the key components and features of a boom cylinder?
A boom cylinder consists of several key components and features that enable its functionality and performance in heavy machinery. Here’s a detailed explanation:
- Cylinder Barrel: The cylinder barrel is the main body of the boom cylinder, typically made of high-strength steel. It houses the piston, seals, and other internal components. The cylinder barrel is designed to withstand high pressure and provide structural integrity to the cylinder.
- Piston: The piston is a cylindrical component that moves back and forth inside the cylinder barrel. It is usually made of durable materials and acts as a barrier between the two chambers of the cylinder. The piston divides the cylinder into a rod side and a cap side, allowing hydraulic fluid to act on one side or the other to create the desired motion.
- Rod: The rod is a solid metal shaft attached to the piston and extending outside the cylinder barrel. It transmits the force generated by the hydraulic fluid to the boom or other connected components. The rod is designed to withstand tensile and compressive forces and is often coated or treated to resist corrosion and wear.
- Seals: Seals are essential components that prevent hydraulic fluid leakage and maintain the integrity of the cylinder. They are positioned between the piston, rod, and cylinder barrel to create a tight seal. Common types of seals used in boom cylinders include piston seals, rod seals, and wiper seals.
- Ports and Fittings: Boom cylinders have ports and fittings that allow the connection of hydraulic hoses or pipes to supply hydraulic fluid. These ports enable the controlled flow of hydraulic fluid into and out of the cylinder, creating the necessary pressure for boom movement.
- Mounting Brackets: Mounting brackets are used to attach the boom cylinder to the heavy machinery’s frame or structure. They provide stability and support, ensuring proper alignment and secure installation of the cylinder.
- Internal Cushions: Some boom cylinders feature internal cushions or shock absorbers. These cushions help dampen the impact and reduce vibrations during the extension or retraction of the boom. Internal cushions improve the smoothness of boom movement, enhance operator comfort, and reduce stress on the cylinder and other components.
- Corrosion Protection: Boom cylinders are often coated or treated with corrosion-resistant materials to withstand harsh environmental conditions. These protective measures help extend the cylinder’s lifespan and maintain its performance over time.
- Load Capacity and Pressure Rating: Boom cylinders are designed with specific load capacities and pressure ratings to handle the heavy loads and pressures involved in heavy machinery operations. The load capacity and pressure rating determine the cylinder’s strength and suitability for different applications.
In summary, the key components and features of a boom cylinder include the cylinder barrel, piston, rod, seals, ports and fittings, mounting brackets, internal cushions, corrosion protection, load capacity, and pressure rating. These components and features work together to enable the controlled extension, retraction, lifting, and lowering of the boom in heavy machinery, ensuring efficient and reliable operation.


editor by CX 2023-11-06