Main Hydraulic Pump SBS80 For Caterpillar CAT E318D2 Excavator 391-9452 3919452,Construction Machinery Parts Manufacture

 

The hydraulic pump models 391-9452 and 3919452 are primarily used as the core power transmission device of the hydraulic pump system. Its core functions include:

• Dual-Pump Synergistic Power -  Equipped with a dual-pump system featuring variable-displacement piston pumps, flow regulated via rotating swashplates, directly connected to the engine flywheel housing,ensuring efficient coordination of excavation, slewing and other operations.
• Intelligent Energy-Saving Regulation - Integrated with load-sensing and hydraulic horsepower regulators, automatically adjusting pressure and flow to match actual loads, avoiding energy waste while maintaining stable power output.
• Easy Maintenance Design - Optimized access door layout enables ground-level maintenance, facilitating quick replacement of filters, oil pumps and other components. Regular checks of hydraulic oil level, quality and filters ensure system cleanliness.

Strategically located in Guangzhou's Huangpu District, approximately an hour from Baiyun International Airport, Tieqi has been a dedicated specialist in engineering machinery hydraulics for nearly 15 years.

Driven by our core values of "Pragmatism and Progress," we are committed to delivering practical solutions and upholding our responsibilities. This principle-driven approach defines all our operations and client partnerships.

In China's excavator hydraulic assembly sector, our efficient execution and rigorous approach to manufacturing every product to meet over 95% of original performance specifications have built widespread trust. This has made us a destination for industry peers and clients seeking knowledge and reliable supply, and we take pride in our role of continuously elevating production standards in China.

We are proud to set the standard for hydraulic manufacturing in China, a commitment recognized by our global clientele in the mining, construction, and trading sectors. We invite you to visit our Guangzhou facility to evaluate our quality processes firsthand.

Our capability is backed by a ready inventory of over 500 assembly types, providing access to more than 6,000 different parts. Hydraulic pump, control valve, travel, and swing assemblies are our core products, with a distinct advantage in large mining excavator components and hard-to-find items.

Our 4,000-square-meter factory in Guangzhou is equipped for professional manufacturing, precision assembly, rigorous testing, and quality certification, ensuring reliable performance and timely delivery for every order.

By integrating top-tier Chinese hydraulic brands and supply chains, we provide cost-effective, convenient, and scalable one-stop solutions tailored to diverse machinery and operational needs. Our ability to expertly meet complex client requirements remains a cornerstone of our service.

For large items, we use sturdy plywood crates secured with metal fasteners for added stability. Inside, the products are cushioned with bubble wrap and secured with wooden braces, while special attention is given to protecting vulnerable parts. Externally, the crates are reinforced with high-strength PET plastic strapping and wrapped in highly waterproof black film. All these measures are taken to ensure that the products reach our customers safely and securely.