Genuine Caterpillar D8R Hydraulic Pump Assemblies

Searching for a reliable source for your Caterpillar D8R bulldozer parts? Look no further. Our company, Shandong Jufengyuan Machinery Parts Co., Ltd., offers a wide range of genuine and aftermarket heavy equipment components. We are currently featuring the Rexroth A4VG125 main pump and the complete Cat D8R hydraulic pump assembly. These are essential construction machinery parts for maintaining the optimal performance of your bulldozer. Our comprehensive inventory ensures you can find what you need, from Cat parts to Liebherr Parts.

Part Number: 139-4151

This specific part number, 139-4151, corresponds to the Caterpillar D8R hydraulic pump assembly, which includes the renowned Rexroth A4VG125 main pump. This component is crucial for the hydraulic system, providing the necessary pressure for various bulldozer functions. We ensure every part meets stringent quality standards.

Comprehensive Heavy Equipment Parts & Services

Our expertise goes beyond just one part. We are a premier supplier of OEM parts and aftermarket parts for a vast array of brands. Our core business includes Sandvik Parts, Atlas Copco 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 also provide excavator engine parts, breaker hammer components, undercarriage parts, and drilling rig accessories.

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Engineering Machinery Component Explanations

To assist our customers, here are some common heavy machinery parts and their functions:

• Excavator boom cylinder: This hydraulic component is mounted on the excavator's main frame and is responsible for lifting and lowering the boom. For example, a Sandvik Parts excavator boom cylinder is found on a Sandvik DX800 crawler excavator.

• (中文) 挖掘机动臂油缸: 这是一个液压部件，安装在挖掘机的主机架上，负责举升和降低动臂。例如，山特维克DX800履带式挖掘机的动臂油缸。

• (Русский) Цилиндр стрелы экскаватора: Этот гидравлический компонент устанавливается на основной раме экскаватора и отвечает за подъем и опускание стрелы. Например, цилиндр стрелы на гусеничном экскаваторе Sandvik DX800.

• Hydraulic Filter Element: Installed in the hydraulic system, this part cleans the hydraulic fluid to protect components from contamination. It's a key part for any machine, including the Atlas Copco ECM660-DR rock drill's hydraulic filter element.

• Rotary Joint: Located in the center of the excavator, it allows for continuous rotation of the upper structure while maintaining hydraulic and electrical connections to the lower structure. An example is the Epiroc ROC L8 drill rig rotary joint.

• Engine Water Pump: This component circulates coolant from the radiator to the engine block to prevent overheating. A critical part for a Cummins QSB4.5 engine water pump.

• Final Drive Bearing: Situated within the final drive, it supports the rotation of the track sprocket. It's an essential component for the Komatsu D155A-5 bulldozer's final drive bearing.

• Rock Drill Piston: A key internal component of a rock drill's percussion mechanism that strikes the drill steel to break rock. Found in a Montabert HC150 rock drill piston.

• Engine Oil Cooler: This heat exchanger cools the engine oil to maintain its viscosity and lubricating properties. A common part on a Deutz TCD 2013 L04 4V engine oil cooler.

• Swing Motor Seal Kit: A collection of seals used to prevent hydraulic fluid leakage from the swing motor. Used for the Hitachi ZX330-3 excavator swing motor seal kit.

• Hydraulic Pump Gear Kit: A set of gears inside a hydraulic pump that create fluid flow to power a machine's functions. A crucial part for the Volvo EC460B excavator hydraulic pump gear kit.

• Hydraulic Cylinder Rod: The movable piston rod within a hydraulic cylinder that extends or retracts to perform a specific function. Found on the Hyundai R380LC-9A excavator cylinder rod.

Why Choose Shandong Jufengyuan?

Shandong Jufengyuan is your trusted partner for all heavy machinery parts. Our business model focuses on manufacturer-direct sales, ensuring you get the best prices without compromising on quality. We are proud to offer a vast inventory of genuine excavator parts and original equipment manufacturer parts, along with high-quality aftermarket solutions. We also specialize in custom manufacturing of hard-to-find or specialized components. Our export services are streamlined to provide fast and efficient delivery to clients worldwide.

Whether you need a Caterpillar hydraulic pump, Komatsu final drive, or specialized parts for Sandvik Parts, we have the expertise and inventory to meet your needs. We are dedicated to providing superior service and reliable products. Contact us today to learn more about our comprehensive product line and services.