Product Description
Product introduction
CAT excavator hydraulic cylinder Cat
| Working temperature | -40°C ~ 80°C |
| Color | RAL9005,Customize |
| Material | CK45,ST52,ST52-3,27SiMn,Customize |
| Seal kit | SKF, Trelleborg, Halite, Chesterton, NOK, Kayaba |
| Piston rod | Hard chromed |
| Packaging | Plywood case |
| Warranty | 12 months |
| Payment | T/T |
Company introduction
HangZhou CHINAMFG is a comprehensive manufacturing enterprise engaged in hydraulic cylinders, excavator attachment, metal casting, hydraulic components with certification approval to meet custom or OEM requirements.
ROCA owned factory offers customers effective-cost products with quality assurance. With its professional and experienced R&D team, CHINAMFG Hydraulic devotes itself to research and development to optimize products applied in construction, mining, waste management, forestry, agriculture, etc.
Products show
Part No.
| CAT 336D | |
| Part Name | Part No. |
| Boom cylinder | 3119517 |
| Stick cylinder | 2836188 |
| DB Family Bucket cylinder | 3154442 |
| TB1 Family Bucket cylinder | 3154463 |
Part size
| CAT 336D | ||
| Boom cylinder – bore | 150mm | 5.91 in |
| Boom cylinder – stroke | 1440mm | 56.7 in |
| Stick cylinder – bore | 170mm | 6.69 in |
| Stick cylinder – stroke | 1738mm | 68.4 in |
| DB Family Bucket cylinder – bore | 150mm | 5.91 in |
| DB Family Bucket cylinder – stroke | 1151mm | 45.3 in |
| TB1 Family Bucket cylinder – bore | 160mm | 6.3 in |
| TB1 Family Bucket cylinder – stroke | 1356mm | 53.4 in |
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 takes all your concerns into consideration 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.
| Warranty: | 1 Year |
|---|---|
| Type: | Excavator Cylinder |
| Application: | Excavator |
| Certification: | CE, ISO9001: 2000 |
| Condition: | New |
| Brand: | Cat |
| Customization: | Available |
|
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Can boom cylinders be used in construction equipment like cranes and excavators?
Yes, boom cylinders can be used in construction equipment such as cranes and excavators. Here’s a detailed explanation:
Boom cylinders play a vital role in the operation of construction equipment, including cranes and excavators. Here’s how boom cylinders are utilized in each of these applications:
- Cranes: Boom cylinders are an essential component of crane systems. They enable the extension, retraction, and elevation of the crane’s boom, allowing for lifting and lowering of heavy loads. Boom cylinders provide the necessary hydraulic force to articulate the boom sections and control the movement of the crane’s lifting arm. This capability allows cranes to reach various heights and positions, making them versatile and indispensable in construction projects that require lifting and positioning of materials, equipment, or structural components.
- Excavators: Boom cylinders are integral to the functionality of excavators. In excavators, boom cylinders control the movement of the boom, which is responsible for the vertical lifting and lowering of the excavator’s arm. The arm, in turn, enables the excavation, digging, and material handling operations. By extending and retracting the boom cylinder, operators can precisely control the depth and reach of the excavator’s bucket or attachment. Boom cylinders provide the necessary force for lifting heavy materials and allow for efficient digging and trenching in construction and earthmoving applications.
The use of boom cylinders in construction equipment like cranes and excavators offers several advantages. These include:
- Powerful Lifting Capacity: Boom cylinders provide the hydraulic force required to lift heavy loads, enabling cranes and excavators to handle substantial weights with ease and precision.
- Precise Control: Boom cylinders allow for precise control over the movement of the crane or excavator’s boom, ensuring accurate positioning and efficient operation.
- Adaptability: Boom cylinders can be customized to match the specific requirements of different crane and excavator models, allowing for versatility and compatibility across various construction applications.
- Durability: Boom cylinders are designed to withstand the rigorous demands of construction environments. They are constructed using robust materials and undergo thorough testing to ensure durability and longevity.
- Safety: Boom cylinders contribute to the safety of crane and excavator operations. The precise control and stability provided by boom cylinders help prevent accidents and ensure the safety of operators and surrounding structures.
Overall, boom cylinders are an integral part of construction equipment, including cranes and excavators. They enhance the functionality, lifting capacity, control, and safety of these machines, making them essential for construction projects of various scales and complexities.

Can boom cylinders be used in aerial work platforms for boom extension?
Yes, boom cylinders can be used in aerial work platforms for boom extension. Here’s a detailed explanation:
Aerial work platforms, also known as aerial lifts or cherry pickers, are used to provide elevated access for various tasks such as maintenance, construction, and inspection. Boom cylinders play a crucial role in the operation of aerial work platforms by enabling the extension of the boom or arm. Here’s how boom cylinders are used for boom extension in aerial work platforms:
- Boom Extension: Boom cylinders are responsible for extending and retracting the boom or arm of the aerial work platform. They provide the necessary force and controlled movement to extend the boom to the desired height or reach and retract it when required. The cylinders allow for smooth and precise extension, ensuring safe and efficient access to elevated work areas.
- Telescopic Boom Design: Many aerial work platforms feature telescopic booms that consist of multiple sections that can be extended or retracted. Boom cylinders are utilized to extend and retract these sections, allowing the platform to reach greater heights or reach out over obstacles. The cylinders facilitate synchronized movement of the boom sections, ensuring stability and control during extension.
- Operator Control: Boom cylinders in aerial work platforms are controlled by the platform operator. The operator uses hydraulic controls to extend or retract the boom, adjusting the platform’s height or reach as needed. The smooth and responsive movement provided by the cylinders allows precise positioning of the platform, enabling safe and accurate completion of tasks at elevated locations.
- Stability and Safety: Boom cylinders contribute to the stability and safety of aerial work platforms during boom extension. The cylinders are designed to handle the loads and forces encountered during operation, ensuring that the boom remains stable and secure at various extension lengths. This stability minimizes the risk of tipping or instability, providing a safe working environment for the operators.
The use of boom cylinders in aerial work platforms for boom extension offers several benefits:
- Enhanced Reach: Boom cylinders enable aerial work platforms to reach greater heights or extend over obstacles, expanding the range of work that can be performed.
- Flexible Positioning: The controlled movement provided by boom cylinders allows precise positioning of the platform, enabling operators to access specific areas or work at different heights with ease.
- Safe Operation: Boom cylinders contribute to the stability and safety of aerial work platforms during boom extension, reducing the risk of accidents or instability.
- Efficient Work: The smooth and controlled extension facilitated by boom cylinders enhances productivity and efficiency in completing tasks at elevated locations.
Overall, boom cylinders are essential components in aerial work platforms for boom extension. They enable the extension and retraction of the boom, provide operator control, ensure stability and safety, and enhance the reach and flexibility of the platform. These features make boom cylinders integral to the safe and efficient operation of aerial work platforms.
It’s important to follow the manufacturer’s guidelines and recommendations regarding the installation, operation, and maintenance of boom cylinders in aerial work platforms to ensure their proper functioning and optimal safety.

Can boom cylinders be customized for specific machinery and equipment?
Yes, boom cylinders can be customized to fit specific machinery and equipment requirements. Here’s a detailed explanation:
Boom cylinders are designed to provide the necessary force and control for the movement of booms, arms, or attachments in heavy machinery. They come in various sizes, configurations, and specifications to accommodate different equipment and applications.
Customization of boom cylinders involves tailoring their design and parameters to meet the specific needs of the machinery and equipment they will be installed in. Here are some aspects that can be customized:
- Size and Dimensions: Boom cylinders can be customized in terms of their physical size and dimensions to ensure proper fitment and integration with the machinery. Factors such as stroke length, bore diameter, and overall length can be adjusted to match the space constraints and requirements of the equipment.
- Force and Pressure Ratings: The force and pressure ratings of boom cylinders can be customized to suit the load capacities and operating conditions of the machinery. By adjusting the bore size, rod diameter, and hydraulic pressure specifications, the cylinder can be optimized to provide the necessary power and performance for the specific equipment.
- Mounting Options: Boom cylinders can be customized with different mounting options to ensure compatibility with the machinery’s mounting points and structures. This includes variations in mounting brackets, pin sizes, and connection methods to facilitate seamless installation and operation.
- Seal and Material Selection: The choice of seals and materials can be customized based on the operating environment and requirements of the machinery. Different seals, such as wipers and rod seals, can be selected to provide enhanced protection against contamination and improve longevity. The cylinder’s body and rod materials can also be tailored to withstand specific operating conditions, such as extreme temperatures or corrosive environments.
- Integration with Control Systems: Customization may involve integrating the boom cylinder with the machinery’s existing control systems. This can include adapting the hydraulic connections, sensor compatibility, or incorporating specialized control valves to ensure seamless integration and optimal performance.
The customization of boom cylinders allows equipment manufacturers and operators to obtain cylinders that are specifically designed to meet their unique machinery and equipment requirements. This ensures efficient operation, precise control, and optimal performance for a wide range of applications in industries such as construction, agriculture, forestry, and more.


editor by CX 2023-11-21