Hyundai Pump R350-7 31N8-10011 XJBN-00996 Excavator Main Pump For Excavator Parts

Hyundai pump R350-7 31N8-10011 XJBN-00996 excavator main pump for excavator parts

The hydraulic pump converts the engine's power into hydraulic energy through mechanical energy, providing pressurized oil for the hydraulic system. When the engine drives the pump shaft to rotate, the internal swash plate or gear mechanism causes the plunger or gear to produce reciprocating or meshing motion, thereby creating volume changes in the pump chamber, generating oil suction and pressure processes, and achieving continuous delivery of hydraulic oil.

Appliion:Excavator spare parts
Part name:hydarulic pump assy
Part number:31N8-10011 XJBN-00996 XJBN-00015  XJBN-00004
Model:R350-7 
MOQ:1PC
Material:Steel
Payment term:T/T, Western union, paypal, trade assurance or as required
Brand:Belparts

List of spare parts

When you see an excavator effortlessly lifting tons of soil or precisely moving its bucket to a designated position, the key component behind these actions is the hydraulic system, with the hydraulic pump serving as its "heart." Simply put, a hydraulic pump functions much like the human heart, continuously "pumping" hydraulic oil to various actuators of the excavator, providing powerful support for the entire machine.

The working principle of a hydraulic pump is not overly complex. Through mechanical motion (typically the engine rotating the pump shaft), it creates volume changes within the pump chamber, resulting in oil suction and discharge. When the pump chamber's volume increases, a partial vacuum forms, drawing hydraulic oil from the tank. When the volume decreases, the oil is compressed, pressure rises, and the oil is then delivered into the hydraulic system. This cyclical suction and discharge process creates a continuous flow of hydraulic oil.

In excavators, hydraulic pumps play a vital role. Without them, even the most powerful engine couldn't transfer energy to working components like the bucket or boom. The performance of a hydraulic pump directly determines an excavator's efficiency, operational smoothness, and fuel economy. A high-quality hydraulic pump enables an excavator to be both "powerful" and "energy-efficient," which is why modern excavator manufacturers place such emphasis on hydraulic pump technology.