Product Video
Main specification parameter for 330D cat boom cylinder
|
Brand |
Model |
Product Name |
Part Number |
Assembly Quantity |
Weight |
|
Caterpillar |
330D |
boom cylinder |
3119524 |
2 |
318KG |
Compatible Equipment Models: 3119524
|
330D |
330D L |
336D | 336D L |
Product Details
|
Product Name |
cat boom cylinder |
|
Part Number |
3119524 |
|
Origin |
United States |
|
Brand Name |
STONE |
|
Model |
330D |
|
Price |
Negotiable |
|
Packing Details |
Standard Export Packing |
|
Delivery Time |
0-30 Days |
|
Payment Term |
L/C, T/T |
|
Price Term |
FOB, CIF, CFR |
|
Supply Capacity |
50,000 PCS/Month |
|
Minimum Order Quantity |
1 PC |
|
Material |
High Quality Steel |
|
Technology |
Precision Machining |
|
Surface |
Treatment Anti-Corrosion Coating |
|
Hardness |
HRC 48-52 |
|
Quality |
Original Factory Standard |
|
Warranty Time |
12 Months or 2000 Hours |
|
After-Sales Service |
Full Support, Online Service |
|
Color |
Standard Caterpillar Yellow or Customizable |
|
Application |
Excavator |
|
Customizable |
including customized materials, surface treatment and specifications |
Product Advantages
Choosing our caterpillar excavator cylinder, you will get the perfect combination of durability, cost-effectiveness and high performance, which is the ideal solution to meet your Caterpillar excavator needs.
High-quality materials
Our cat boom cylinders are made of top-grade high-strength steel to ensure long-lasting durability and reliable performance in changing working environments.
Cost-effectiveness
We provide products with comparable performance to the original equipment at a more competitive price, significantly reducing costs while maintaining performance and quality.
Precision craftsmanship
We use advanced processing technology to ensure accurate dimensions and strict tolerances, perfectly matching with Caterpillar excavators and achieving seamless integration.
Performance improvement
Carefully designed to efficiently convert hydraulic energy into mechanical power, achieving smooth and powerful operation and improving excavator working efficiency.
Easy maintenance
Easy-to-maintain design reduces downtime, and high-quality seals and components reduce wear and maintenance costs.
Strict testing
Each boom cylinder undergoes strict quality testing to ensure excellent performance and reliability, exceeding industry standards.
Wide compatibility
Adapt to a variety of Caterpillar excavator models, ensuring flexibility and easy installation without modification.
Professional support
With rich industry experience, we provide comprehensive technical support and after-sales service to help you choose the best accessories.
Application of Boom Cylinder
Boom Cylinder has a wide range of applications, providing key power support and operational flexibility
for various construction machinery. It is mainly used in the following equipment:




1. Excavator:
Crawler excavator: Provides powerful excavation and loading capabilities in earthwork, mining and construction.
Wheeled excavator: In urban and highway construction, it has good maneuverability and flexibility, suitable for operations in small spaces.
2. Loader:
Front-end loader: Used for loading and moving materials in construction and mining operations to ensure smooth operation of the boom.
Skid steer loader: Used for small construction sites and urban maintenance, suitable for various small earthwork and loading operations.
3. Bulldozer:
Crawler bulldozer: Bulldozes and levels the ground in earthwork and mining operations, providing lifting and lowering functions of the boom.
4. Crane:
Crawler crane: Used for lifting and moving heavy materials, assisting in lifting and positioning the boom.
Wheeled crane: Suitable for operations with high mobility requirements, such as municipal engineering and construction sites.
5. Grab machine:
Hydraulic grab machine: used for garbage disposal, waste handling and port loading and unloading, ensuring flexible operation of the boom.
6. Drilling machine:
Hydraulic drilling machine: performs drilling operations in geological exploration and foundation engineering, providing precise positioning of the boom.
7. Other heavy machinery:
Forestry equipment: such as felling machines and tree transplanters, used for lifting and operating booms.
Agricultural machinery: such as backhoe loaders and tractors, helping to complete farmland preparation and irrigation system construction.
Cat Boom Cylinder Care and Maintenance
Regular Inspection and Cleaning
- External Inspection: Regularly check the outer surface of the cylinder for damage, wear or corrosion, and clean the cylinder surface to prevent dust and debris from accumulating and affecting the operation of the seal and piston rod.
- Seal Inspection: Check the seal for leakage, aging or wear, and replace it if necessary to ensure that the hydraulic oil does not leak.
Lubrication and Hydraulic Oil Management
- Lubrication: Regularly lubricate the piston rod and other moving parts to ensure smooth operation and reduce wear.
- Hydraulic Oil Quality: Check the cleanliness and quality of the hydraulic oil to keep the oil in the hydraulic system clean. Regularly replace the hydraulic oil and filter element to prevent impurities from entering the hydraulic system.
Fastener Inspection
- Fastener Inspection: Regularly check all fasteners on the cylinder for looseness, ensure that the bolts and nuts are in good tightening condition, and avoid failures caused by looseness
Piston Rod Protection
- Piston Rod Protection: Check the piston rod for scratches, dents or bends, and repair or replace it if necessary. Keep the surface of the piston rod clean to prevent contaminants from entering the cylinder.
System pressure check
- System pressure check: Check the working pressure of the hydraulic system regularly to ensure that it is within the specified range. Avoid damage to the cylinder due to excessive or low pressure.
Operation smoothness monitoring
- Operation smoothness: Monitor the smoothness of the cylinder during operation and pay attention to whether there is abnormal vibration or noise. Abnormal conditions may be a signal of internal component damage or hydraulic system problems, which need to be promptly checked and handled.
Operation training
- Operation training: Ensure that operators are familiar with the correct use and maintenance procedures of Cat Boom Cylinder to avoid damage caused by improper operation.
Record maintenance log
- Maintenance log: Keep detailed maintenance records, including the time and content of inspection, cleaning, lubrication and replacement of parts. This helps to track the maintenance history of the cylinder and detect and prevent potential problems in advance.
Precautions for use by following these maintenance points, the service life of the Cat Boom Cylinder can be effectively extended to ensure its reliability and efficiency in various operating environments.
Factory details








Product packaging








We adopt a strict packaging process to ensure the safety and reliability of each link. From the selection of raw materials to the final finished product, each step is carefully inspected and tested. Our packaging team has rich experience and expertise, and can provide the best packaging solutions according to different product characteristics and transportation conditions. Our packaging materials and processes meet international standards and can effectively protect the goods from damage. At the same time, we also provide tracking services to ensure the safety of the goods during transportation.
Warehousing
Since 2004, STONE has built a strong set of warehousing and supply chain solutions. Our warehouse covers an area of 3,000 square meters and has more than 10,000 types of product inventory with a value of more than RMB 10 million. This diverse inventory enables us to quickly and reliably meet our customers' urgent needs for high-quality parts. We emphasize efficient and orderly warehouse management to speed up delivery and improve customer satisfaction. With our deep industry experience and advanced inventory management system, STONE is committed to providing customers with a continuously excellent service experience.








Why Choose STONE
Professional experience
STONE has 20 years of industry experience and is a leader in the field of construction machinery parts. Professional knowledge and advanced production ensure product excellence.
Top quality
We provide top parts for bulldozers, excavators, and wheel loaders for brands such as Caterpillar and Komatsu. Our comprehensive OEM series meets stringent quality and performance requirements.
Customized service
STONE's OEM service is precisely customized to ensure reliable quality and timely delivery to meet your personalized operational needs.
Worry-free after-sales service
We provide a product warranty of up to 6 months or 2,000 hours, reflecting our confidence in durability and reliability to ensure quality standards.
FAQ
FAQ
Q: What is the function of the boom cylinder?
Q: Can hydraulic cylinders be repaired?
Q: What are the parts of the hydraulic cylinder?
Q: What are the parts and function of the hydraulic tools?
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