EX300-3 EX300LC-3 EX300H-3 EX300LCH-3 hitachi pump assembly 9122780 9136850 Excavator Hydraulic Pump Repair Kit

The hydraulic pump is a critical component that obtains power from the engine and converts it into hydraulic oil flow. This high-pressure fluid moves your boom, arm, bucket, and swing with incredible force and precision through hoses. Without a sturdy and reliable pump, even the strongest excavator will become sluggish and powerless. Choosing the right pump is not only about power; This is about perfectly matching the capacity and pressure rating of the pump with the size and typical operation of the machine. A pump that is too small in size will struggle, overheat, and quickly wear out. An excessively large pump wastes the power and fuel of the engine. This is the core of efficiency and productivity.

The hydraulic pump converts mechanical energy into hydraulic energy to power the excavator's hydraulic system. When the engine drives the pump shaft to rotate, the internal pistons or gear sets create oil suction and compression processes, forming a high-pressure oil flow. Belparts hydraulic pumps feature variable displacement design that automatically adjusts output flow according to load requirements, achieving high energy efficiency.

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List of spare parts

Excavator Hydraulic Pumps:

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.