E336 E336GC 380DK Excavator 5504341 5659737 Hydraulic Pump assembly For K7V180DTP

5504341 5659737 K7V180DTP E336 E336GC 380DK HYDRAULIC PUMP Main pump

A typical hydraulic pump consists of the following key parts:

• Housing/Casing – Protects internal components and maintains structural integrity.

• Drive Shaft – Transmits power from the engine to the pump mechanism.

• Rotating Group (Gears, Pistons, or Vanes) – Generates fluid flow and pressure.

• Inlet & Outlet Ports – Allow hydraulic fluid to enter and exit the pump.

• Pressure Relief Valve – Prevents system overload by diverting excess fluid.

• Seals & Bearings – Ensure leak-free operation and reduce friction.

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Common Issues & Troubleshooting Methods

Hydraulic pumps may encounter several operational problems. Below are common issues and their solutions:

GZ Yuexiang Engineering Machinery Co., Ltd.

GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery trade.

Our main products are Excavator Hydraulic Spare Parts, Hydraulic Main Pump, Swing Motor, Travel Motor, Final Drive Ass'y, Swing Device Ass'y, Swing Gearbox, Travel Gearbox, Gears, Regulators, Relief Valve, Fan Motor and other hydraulic items with genuine and aftermarket quality. Until now, our products have been exported to more than 198 countries and regions, spreading all over the Middle East, Southeast Asia, Africa, North America, South America, Europe and Oceania with our own brand "Belparts", which is highly praised by foreign customers and enjoys a high reputation.

In the future, to practice our company culture “DO BETTER FOR TOMORROW ”, we will strive to learn more professional knowledge about machinery parts and increase our procurement and sales experience to provide customers with better products and services! What’s more, we will devote to develop a more broad business space together base on long-term, friendly, mutually beneficial and win-win business relations.