Komatsu HM400-3 Hydraulic Pump Assembly 708-1W-02260 & 708-1W-02270 for Sale | Jufengyuan

Komatsu HM400-3 Hydraulic Pump Assembly: Precision and Power with Part Numbers 708-1W-02260 and 708-1W-02270

Global Supply of Komatsu Parts - Manufacturer Direct, Wholesale & Custom Orders | September 23, 2025

As a leading construction equipment parts supplier based in Shandong, China, Shandong Jufengyuan is proud to offer a comprehensive range of premium-quality aftermarket and genuine parts. We specialize in providing a vast inventory of components for Komatsu Parts, Sandvik Parts, and Epiroc Parts. For your Komatsu HM400-3 articulated dump truck, we supply the complete hydraulic pump assembly, including the crucial main pump and pressure pump. Our direct-from-factory and wholesale parts model ensures you get the best prices and top-tier quality for heavy machinery components. We are a reliable source for export-grade heavy equipment parts, ensuring consistent performance and long-term durability.

We offer customized manufacturing services to meet your specific needs for a wide range of components. Whether you need OEM-quality hydraulic pumps, engine parts, or chassis components, our expert team can develop and produce parts tailored to your requirements, straight from the source.

Enhancing Performance with a Komatsu HM400-3 Main Hydraulic Pump

The hydraulic system is the heart of any heavy-duty machine, and for the Komatsu HM400-3 dump truck, a high-performance hydraulic pump is essential for efficient operation. Our replacement for the Komatsu HM400-3 hydraulic pump assembly, specifically part number 708-1W-02260, is designed to deliver superior power and reliability. This hydraulic main pump ensures smooth and precise control of the truck's dump body, steering, and braking functions. When you choose our Komatsu HM400-3 hydraulic system components, you're investing in OEM quality aftermarket parts that provide a cost-effective replacement solution without compromising on performance. We also offer Komatsu hydraulic cylinders and hydraulic valves to complete your repair needs.

The Critical Role of the Pressure Pump for the HM400-3

Complementing the main pump, the pressure pump plays a vital role in maintaining system pressure for auxiliary functions. Our Komatsu HM400-3 pressure pump replacement, part number 708-1W-02270, is engineered for optimal pressure regulation and system efficiency. This component is crucial for the responsive operation of Komatsu articulated truck hydraulic systems. We understand the demands of a busy construction site and the need for durable heavy machinery parts. That's why we ensure all our Komatsu HM400-3 components meet stringent quality standards for reliable performance. Whether you're a parts distributor or an end-user looking for spare parts, we provide efficient supply chain solutions.

Extensive Inventory & Global Reach: Shandong Jufengyuan

Shandong Jufengyuan has established itself as a premier heavy equipment parts exporter with a robust portfolio covering major brands. Our core business includes providing Sandvik Parts, Atlas Parts, Epiroc Parts, Cummins Parts, Deutz Parts, Caterpillar Parts, Montabert Parts, Furukawa Parts, Komatsu Parts, Hitachi Parts, Volvo Parts, Liebherr Parts, Hyundai Parts, Metso Parts, Sany Parts, and XCMG Parts. We are committed to being your one-stop-shop for construction machinery spare parts.

In addition to our featured hydraulic pumps for Komatsu, our inventory includes engine rebuild kits, undercarriage components, transmission parts, final drive assemblies, hydraulic cylinders, pins and bushings, track shoes, bucket teeth, rock breaker tools, and more. Our extensive selection ensures you can find the right part for excavators, wheel loaders, dozers, and mining equipment. We pride ourselves on offering global shipping solutions and efficient delivery times for all our quality equipment parts.

Key Construction Machinery Component Glossary

Crawlermotorn (German for track motor): The hydraulic motor that drives the tracks, enabling the machine to move.                    
                   Example: Sandvik DT922i track motor (Sandvik DT922i буровой станок гусеничный двигатель - Russian).

Rock Drill Piston (English): A key component in a rock drill or hydraulic hammer that delivers the impact energy to break rock.                    
                   Example: Atlas Copco ROC L8-40 rock drill piston (Atlas Copco ROC L8-40 поршень бурового станка - Russian).

Pressure Compensator (English): A valve that adjusts the flow of hydraulic fluid to maintain a constant pressure, regardless of the load.                    
                   Example: Epiroc Smartroc D65 pressure compensator (Epiroc Smartroc D65 компенсатор давления - Russian).

Swing Bearing (English): A large ball or roller bearing that allows the upper structure of an excavator to rotate. It is mounted between the upper structure and the undercarriage.                    
                   Example: Komatsu PC300-8 swing bearing (Komatsu PC300-8 подшипник поворотной платформы - Russian).

Main Control Valve (English): The central valve that directs hydraulic fluid to various actuators like cylinders and motors, controlling the machine's movements.                    
                   Example: Caterpillar 320D main control valve (Caterpillar 320D главный управляющий клапан - Russian).

Hydraulic Cylinder Seal Kit (English): A set of seals and gaskets used to repair a hydraulic cylinder, preventing fluid leaks and maintaining pressure.                    
                   Example: Volvo EC480D hydraulic cylinder seal kit (Volvo EC480D ремкомплект гидравлического цилиндра - Russian).

Track Adjuster (English): A component located on the undercarriage that maintains proper tension of the track chain, preventing de-tracking.                    
                   Example: Hitachi ZX350-5G track adjuster (Hitachi ZX350-5G натяжитель гусеницы - Russian).

Final Drive (English): A gear reduction unit that provides the final torque to the drive sprocket, rotating the tracks.                    
                   Example: Hyundai R380LC-9 final drive (Hyundai R380LC-9 бортовой редуктор - Russian).

Pump Controller (English): An electronic or hydraulic module that regulates the output of a pump to match the machine's power demands.                    
                   Example: Metso HP300 pump controller (Metso HP300 контроллер насоса - Russian).

Torque Converter (English): A fluid coupling that transfers power from the engine to the transmission, allowing the engine to turn while the machine is stationary.                    
                   Example: Liebherr L 566 torque converter (Liebherr L 566 гидротрансформатор - Russian).

Shandong Jufengyuan: Your Trusted Global Partner for Heavy Equipment Parts

We at Shandong Jufengyuan are dedicated to providing high-quality, reliable, and affordable heavy machinery parts to clients worldwide. Our commitment to customer satisfaction and our deep knowledge of the heavy equipment industry make us a preferred partner for parts procurement. From engine components to hydraulic assemblies, we ensure every product meets our rigorous quality standards.

Our comprehensive services include parts wholesale, direct factory sales, and global export logistics. We streamline the process of sourcing construction parts, saving you time and money. Our team of experts is ready to assist you in finding the precise part you need, whether it's a Komatsu HM400-3 hydraulic pump or a specialized component for a different machine.

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