CATERPILLAR 138-4820 Pump GP-Piston -Swing 1384820

Caterpillar 138-4820 Pump GP-Piston – Swing: High-Performance Excavator Component

The Caterpillar 138-4820 Pump GP-Piston – Swing is a critical hydraulic component designed specifically for Caterpillar excavators, including models like the 7LL-5230. Engineered with precision metallurgy and robust materials, this pump ensures optimal fluid dynamics within the swing drivetrain system, delivering superior torque and smooth rotational movement under heavy load conditions. Its compact design features exacting dimensions to fit seamlessly within the hydraulic circuit, maintaining OEM-grade quality and reliability for extended operational life.

This pump assembly incorporates advanced piston technology that enhances volumetric efficiency and pressure handling, making it ideal for demanding excavation tasks. The durable construction resists wear and tear caused by abrasive hydraulic fluids and high-pressure cycles, ensuring consistent performance and reduced downtime. By maintaining precise flow rates and pressure stability, the 138-4820 pump supports efficient swing operations, improving overall machine productivity and fuel efficiency.

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Related part numbers: 138-4820, 7LL-5230