Factory Direct & Custom Solutions

As a leading source manufacturer and foreign trade exporter, Shandong Jufengyuan Machinery Parts offers factory-direct pricing and global shipping. We specialize in custom development for a wide range of hydraulic components and heavy equipment parts , ensuring you get a perfect fit for your specific machine, including the Caterpillar D8R hydraulic pump assembly.

Genuine Caterpillar D8R Hydraulic Pump Assembly

Are you in need of reliable hydraulic components for your heavy machinery? Look no further. Our product features the Genuine Caterpillar D8R hydraulic pump assembly , an essential part for your dozer's operational integrity. This unit, with part number 139-4151 , is the Rexroth A4VG125 main pump , specifically designed to meet the rigorous demands of Caterpillar bulldozers . We provide top-quality excavator parts and dozer parts for superior performance and longevity.

Your Trusted Source for Heavy Equipment Parts

Shandong Jufengyuan Machinery Parts is your comprehensive partner for heavy equipment spare parts . Our extensive inventory includes a vast selection of 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 providing the best construction machinery components and mining equipment parts for all your operational needs. Our global supply chain ensures quick delivery of genuine OEM parts and high-quality aftermarket parts .

Key Component Explanations

• Hydraulic Cylinder Seal Kit: A set of seals used to prevent hydraulic fluid from leaking out of the cylinder. Found on the Atlas Copco SmartROC D65 drill rig boom cylinder. (Гидроцилиндр, Уплотнения гидроцилиндра, Набор уплотнений гидроцилиндра)

• Final Drive: The last gear reduction in a machine's drivetrain, located in the tracks or wheels. Found on the Sandvik DX800 crawler drill track motor. (Конечная передача, Бортовой редуктор, Привод)

• Feed Motor: A hydraulic motor that controls the forward and reverse movement of the drill head. Found on the Epiroc FlexiROC T45 rock drill feed system. (Мотор подачи, Мотор механизма подачи)

• Gear Pump: A type of hydraulic pump that uses the meshing of gears to pump fluid. Found in the steering system of a Caterpillar 777G off-highway truck . (Шестеренчатый насос, Насос шестеренчатый, Гидронасос)

• Sprocket: A toothed wheel that engages with a chain or track. Found on the Komatsu PC200-8 excavator undercarriage. (Звездочка, Зубчатое колесо)

• Radiator: A heat exchanger used to cool the engine. Found on the Hitachi EX1200-6 excavator . (Радиатор, Охладитель)

• Idler Wheel: A large, smooth wheel that guides the track and provides tension. Found on the Volvo EC480D excavator undercarriage. (Направляющее колесо, Натяжное колесо)

• Hydraulic Valve: A component that directs the flow of hydraulic fluid. Found on the Liebherr R926 excavator main control valve block. (Гидравлический клапан, Гидрораспределитель)

• Diesel Engine Fuel Injector: A precision device that sprays fuel into the engine cylinder. Found on the Cummins QSK19 engine of a mining truck. (Дизельная форсунка, Форсунка дизельного двигателя)

• Breaker Chisel: The working tool at the end of a hydraulic hammer. Found on the Montabert V32 hydraulic breaker chisel tip. (Долото гидромолота, Пика)

Why Choose Us?

Our company, based in Shandong, China, specializes in providing high-quality heavy machinery spare parts and engine parts . With years of experience as a foreign trade exporter , we serve customers worldwide with reliable Caterpillar dozer parts , excavator track parts , engine overhaul kits , and transmission components . We also offer a wide range of hydraulic pumps , hydraulic motors , cylinder seal kits , and engine filters . We are your go-to source for genuine replacement parts , aftermarket excavator parts , dozer undercarriage parts , crawler drill spare parts , and more. Contact us today for a quote on the Caterpillar D8R Rexroth A4VG125 pump or any of our other extensive product lines.

Keywords: Caterpillar D8R hydraulic pump assembly, 139-4151, Rexroth A4VG125, dozer parts, genuine parts, excavator parts, construction machinery parts, hydraulic pumps, Shandong Jufengyuan, Sandvik parts, Atlas Copco parts, Epiroc parts, Cummins parts, Deutz parts, Montabert parts, Furukawa parts, Komatsu parts, Hitachi parts, Volvo parts, Liebherr parts, Hyundai parts, Metso parts, Sany parts, XCMG parts, heavy equipment spare parts, mining equipment parts, custom parts, factory direct, foreign trade exporter.