GS20D25F Swing Motor

 GS20D25F Swing Motor Overview

The GS20D25F Swing Motor is a high-performance hydraulic motor designed for the swing system of crawler excavators. It drives the upper structure of the excavator to rotate smoothly and stably during operation, ensuring precise control and reliable performance in demanding working environments.

The motor adopts an advanced axial piston hydraulic design, providing high torque output and efficient power transmission. Working together with a swing reduction gearbox and an integrated hydraulic brake system, it ensures smooth starting, stable rotation speed, and excellent load capacity.

Manufactured with high-strength materials and precision machining technology, the GS20D25F swing motor offers long service life, high efficiency, and easy maintenance. It is widely used in medium excavators around the 35-ton/40-ton class for construction, mining, and earthmoving applications.

Core Features

1. Specifically engineered for 30 to 40-ton class large excavators. Featuring a multi-stage planetary gear system, it delivers high output torque, ensuring powerful performance even under heavy loads or on steep slopes.

2.Integrated with a high-performance axial piston motor and precision cushion valves, it effectively eliminates hydraulic shocks during start and stop, achieving smooth rotation and precise positioning control.

3.The housing is crafted from high-strength cast steel, and internal gears undergo deep carburizing and quenching. This significantly enhances fatigue and impact resistance, making it ideal for harsh mining environments.

4.Equipped with premium imported floating seals and oil seals to prevent leakage and contamination. The optimized internal oil passage design ensures efficient heat dissipation during continuous, long-term operations.

5.Manufactured strictly to OEM standards, ensuring 100% compatibility with original mounting dimensions (e.g., SANY SY365H). The modular design allows for effortless routine inspection and component replacement.

Specifications

Applications

• Crawler Excavators

• Hydraulic Excavator Travel Syste

• Construction Machinery
  

• Earthmoving Machinery

Packaging & Delivery

Charge pumps are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.

GS20D25F Swing Motor FAQ

1.What excavator tonnage is the GS20D25F suitable for?

This model is specifically designed for 30 to 40-ton class large excavators. It is a standard or primary replacement for models like SANY SY365H and SY375H.

2.Is it a swing motor or a swing gearbox?

GS20D25F usually refers to the swing gearbox assembly. It can be supplied as a complete unit with a hydraulic motor or as a standalone reduction gearbox.

3.Does it include a hydraulic braking function?

Yes, it features an integrated hydraulic-released mechanical brake to ensure the upper structure is securely locked after rotation, preventing drifting on slopes.

4. Why is there unusual noise or vibration during swing?

This is often caused by low gear oil, worn internal bearings, or excessive clearance in the swing bearing. We recommend checking the oil level and metal debris in the GS20D25F gearbox first.

5. How often should the gear oil be changed?

It is recommended to change the oil after the first 500 hours of operation, and then every 1,000 to 2,000 hours (depending on working conditions) to protect the planetary gears.

6. Is it a direct replacement for OEM parts?

Yes, the GS20D25F is manufactured strictly to OEM specifications. The flange interface and gear teeth match the original parts perfectly for seamless installation.

Certifications & Quality Assurance

Charge pumps are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.

FAQ

1.How does the variable displacement work?

The pump's flow is adjusted by changing the angle of an internal swash plate. As the swash plate angle changes, the stroke length of the pistons varies, which in turn changes the volume of fluid displaced per rotation, allowing the flow rate to adapt to the system's needs.

2.Are you a manufacture for the vane pump or a wholesale ?

We are a manufacture for vane pumps。.We are located in Changzhou City, Jiangsu Province, China.Welcome to visit us.

3.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.

4.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.

5.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.

6.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).

The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.

Green Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.

All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.

To meet the diverse needs of different industries, the green hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.

Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.