New York Construction: Caterpillar CAT366F & 336E Excavator Hydraulic Pump Assembly 377-4950, 377-4968, 451-9302 – Sept 2, 2025

New York Construction: Caterpillar CAT366F & 336E Excavator Hydraulic Pump Assembly 377-4950, 377-4968, 451-9302 – Sept 2, 2025

Manufacturer Direct Sales | Source Factory | Global Export | Custom Part Development


Exceptional Performance with Caterpillar Hydraulic Pump Assemblies

For heavy-duty construction and demolition, your Caterpillar CAT366F and Caterpillar 336E excavators need the best. Our selection of hydraulic pump assemblies, including the critical part numbers 377-4950, 377-4968, and 451-9302, ensures your machinery operates at peak efficiency. These essential excavator parts are the heart of your hydraulic system, providing the power needed for digging, lifting, and more. As a leading supplier from Shandong Jufengyuan, we specialize in providing high-quality Caterpillar Parts and a wide range of other heavy machinery components, from hydraulic systems to final drives and everything in between.

High-Quality Replacement Parts for Your Construction Fleet

Maintaining a fleet of heavy equipment requires reliable replacement parts. We offer a comprehensive inventory of components for top brands like Sandvik Parts, Atlas Parts, and Epiroc Parts. Our commitment to quality ensures that whether you need a hydraulic pump for a CAT366F or a 336E, you receive a product that meets or exceeds OEM specifications. We also supply a full range of Cummins Parts, Deutz Parts, and Montabert Parts, making us a one-stop shop for all your equipment needs. We understand the demands of a busy construction site, and our fast global export service gets you the parts you need without delay.

  • Hydraulic cylinder: This component converts hydraulic fluid power into linear motion. It is typically found on the boom, arm, and bucket of excavators. Example: Atlas Copco EC 300E Boom Cylinder (English), Гидроцилиндр стрелы Atlas Copco EC 300E (Russian), 아틀라스 콥코 EC 300E 붐 실린더 (Korean).

  • Travel motor: A hydraulic motor that drives the tracks of an excavator. It is located in the final drive of the undercarriage. Example: Sandvik DX800i Travel Motor (English), Ходовой мотор Sandvik DX800i (Russian), 샌드빅 DX800i 주행 모터 (Korean).

  • Final drive: The component that provides the final gear reduction and torque to the tracks. It is part of the undercarriage. Example: Epiroc MB 1000 Final Drive (English), Бортовой редуктор Epiroc MB 1000 (Russian), 에피락 MB 1000 최종 드라이브 (Korean).

  • Hydraulic breaker parts: The internal components of a hydraulic hammer used for demolition, such as the piston and chisel. It is attached to the excavator boom.

  • Track roller: A wheel that supports the weight of the excavator and guides the track chain. It is located on the underside of the excavator's frame.

  • Sprocket: A toothed wheel that engages the track chain to propel the machine forward or backward. It is located at the rear of the undercarriage.

  • Swing bearing: A large bearing that allows the upper structure of the excavator to rotate 360 degrees. It is located between the undercarriage and the superstructure.

  • Swing motor: The hydraulic motor that provides the power for the excavator's swing motion. It is mounted on the swing bearing.

  • Main control valve: The central component that directs the flow of hydraulic fluid to various parts of the machine, such as the cylinders and motors. It is located in the machine's hydraulic system.

  • Pilot pump: A small pump that provides pilot pressure to operate the main control valve. It is part of the hydraulic pump assembly.

Your Trusted Partner for Hydraulic and Diesel Engine Parts

Shandong Jufengyuan is your go-to source for heavy machinery parts. Our extensive product line includes components for Komatsu Parts, Hitachi Parts, Volvo Parts, and Liebherr Parts. Beyond just hydraulic pumps like the 377-4950, we also specialize in diesel engine parts, engine overhaul kits, and turbochargers. We understand the importance of quality and reliability, which is why we are a trusted direct manufacturer and source factory. Our commitment extends to providing OEM parts and high-quality aftermarket parts to suit every budget and requirement, from excavator maintenance to major repairs.

A Diverse Inventory for a Global Market

We pride ourselves on our ability to serve a global clientele with parts for Hyundai Parts, Metso Parts, Sany Parts, and XCMG Parts. Our long-standing relationships and expertise in the industry allow us to provide a vast selection of excavator spares, from seal kits to radiators and hydraulic motors. We can even support custom part development to meet specific project needs, ensuring you get exactly what you require. For all your excavator repair and rock drill parts needs, contact us. With our wholesale parts options and efficient global export, we are ready to be your long-term partner in the construction industry.