New York Construction Site - Find Your Hydraulic Pump Today - September 2, 2025

New York Construction Site - Find Your Hydraulic Pump Today

Caterpillar CAT 773D, 773E, 775E Hydraulic Main Pump - Part Numbers: 244-3304, 2443304, 10R-7980

Customized Solutions for Your Heavy Machinery

At Shandong Giant Yuan Machinery, we're not just a supplier; we're your partner. We offer manufacturer direct sales and are a source factory for heavy equipment parts. Need a specific component? We provide custom development and manufacturing for a wide range of spare parts, ensuring perfect compatibility and performance. Our products are trusted for export trade worldwide.

Essential Parts for Your Caterpillar CAT 773D, 773E, and 775E Dump Trucks

Maintaining your fleet of Caterpillar dump trucks requires high-quality, reliable parts. Your CAT 773D, 773E, and 775E trucks are the backbone of many operations, and a failing hydraulic main pump can bring your work to a halt. We specialize in providing top-notch Caterpillar parts, including the critical 244-3304, 2443304, and 10R-7980 hydraulic pumps. These components are essential for the proper functioning of your hydraulic systems, from steering to lifting.

Your Trusted Partner for Heavy Machinery Components

At Shandong Giant Yuan Machinery, we are a leading supplier of heavy equipment parts. Our extensive inventory includes everything from Sandvik Parts to Komatsu Parts. Whether you're in need of excavator parts, dozer parts, or engine components, we have a solution for you. Our primary business includes providing high-quality parts for major brands like 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 understand the importance of finding the right aftermarket parts and OEM-quality components to minimize downtime and maximize productivity. Our commitment to quality ensures that every product we sell, including the hydraulic main pump for the CAT 773D, meets rigorous standards.

Engineering Terms for Heavy Equipment

Final Drive: A final drive is a gearbox located at the end of the drivetrain, converting torque and speed from the transmission into the final rotation of the tracks. This part is crucial for propelling the machine. For example, a Sandvik DT1131i Final Drive is essential for a jumbo drill's movement. In Chinese: 山特维克DT1131i终传动. In Russian: Sandvik DT1131i Бортовой редуктор.

Track Roller: Also known as a bottom roller, this component supports the weight of the excavator or dozer and guides the track chain. It's a fundamental part of the undercarriage system. A Atlas Copco ROC L6 Track Roller is a key component for this drill rig's stability. In Chinese: 阿特拉斯科普柯ROC L6 支重轮. In Russian: Atlas Copco ROC L6 Опорный каток.

Hydraulic Cylinder: A hydraulic cylinder is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke. It's used for lifting, pushing, and pulling on various parts of the machine. The Epiroc DML 45 Hydraulic Cylinder is used to extend and retract the boom on this blast hole rig. In Chinese: 阿特拉斯科普柯DML 45 液压油缸. In Russian: Epiroc DML 45 Гидравлический цилиндр.

Gear Pump: A gear pump is a type of positive displacement pump that uses meshing gears to pump fluid by displacement. It's a common type of pump for hydraulic systems. A CAT 775E Gear Pump is used to supply oil to various systems.

Piston Pump: A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. It is used to move fluids or to create high hydraulic pressure. A CAT 773D Piston Pump is vital for its primary hydraulic functions.

Swing Motor: A swing motor is a hydraulic motor that drives the rotation of the upper structure on an excavator. A Sany SY75 Swing Motor allows the machine to rotate 360 degrees.

Cylinder Head: The cylinder head is a component located on top of the engine block. It seals the top of the cylinder and forms the combustion chamber. A Cummins QSK19 Cylinder Head is a critical component for engine operation.

Front Idler: A front idler is a wheel that is used to guide the track chain and support the front of the undercarriage. A Komatsu D155A-5 Front Idler is key for its track system.

Hydraulic Hose: A hydraulic hose is a flexible tube that carries pressurized fluid to and from various components. A Volvo L120F Hydraulic Hose is essential for its loader arm movements.

Radiator: A radiator is a heat exchanger used for cooling internal combustion engines. A Liebherr R924 Radiator prevents the engine from overheating.

About Shandong Giant Yuan Machinery - Your Source for Heavy Equipment Parts

Based in Shandong, China, Shandong Giant Yuan Machinery is a global leader in providing aftermarket parts for construction and mining equipment. Our comprehensive range of products covers everything from undercarriage components to engine spare parts. We are a direct-to-customer source factory, allowing us to offer competitive pricing without compromising on quality. We specialize in components for brands like Caterpillar Parts, Komatsu Parts, Hitachi Parts, Hyundai Parts, and more. Our mission is to be your one-stop shop for all your heavy equipment parts needs, ensuring your machinery stays operational and efficient. Our inventory includes a wide variety of parts such as hydraulic pumps, track chains, swing motors, diesel engine parts, torque converters, final drives, hydraulic seal kits, bucket teeth, cabin parts, electrical sensors, piston pumps, radiators, hydraulic cylinders, solenoid valves, fuel injectors, water pumps, filters, engine block assemblies, bearing assemblies, and transmission parts. We pride ourselves on providing reliable, durable replacement parts for construction machinery.

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