Excavator K5V140DTP-9C12-17T Hydraulic Pump R305-7 31N8-10011 For Hyundai

Belparts excavator K5V140DTP-9C12-17T hydraulic pump R305-7 31N8-10011 for Hyundai

The hydraulic pump is a critical component in excavators, responsible for converting mechanical energy into hydraulic energy. It supplies high-pressure hydraulic oil to various actuators (such as hydraulic cylinders and motors), enabling smooth and efficient operation of the excavator. High-quality hydraulic pumps ensure durability, energy efficiency, and precise control, making them essential for construction, mining, and other heavy-duty applications.

List of spare parts

Structural Components

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.

The hydraulic pump operates based on the principle of positive displacement, where mechanical force (from the engine) drives the pump to create fluid flow. The key steps in its operation include:

• Suction Phase: As the pump’s internal mechanism (e.g., gears, pistons, or vanes) rotates, it creates a vacuum that draws hydraulic fluid from the reservoir.

• Compression Phase: The trapped fluid is pressurized as the pump’s moving parts reduce the chamber volume, forcing the fluid into the hydraulic system.

• Discharge Phase: The high-pressure fluid is delivered to control valves, cylinders, or motors to perform mechanical work.

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GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service.

Our main products are Excavator Hydraulic spare parts, Hydraulic pump, Swing motor, Travel motor, Final drive, Swing gearbox, Travel gearbox, Control valve,Monitor,Controller, Hydraulic cylinder and other hydraulic items with genuine and aftermarket quality. Until now, our products enjoy high reputation all over the world and have been exported to more than 150 countries and regions, spreading all over the Middle East, Southeast Asia, Africa, North America, South America, Europe and Oceania with its own brand "Belparts" are widely acclaimed by foreign customers.

In February 2023, Belparts Yunnan Tourism Team Building

In April 2024, Belparts participated in the Brazil Construction Machinery Exhibition and visited local clients in Brazil.

In April 2024, Belparts participated in the French Construction Machinery Exhibition and visited clients in France and Spain

In May 2024, Belparts Travel Thailand