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Hydraulic Pump or Main Control Valve How to Diagnose Slow Excavator Functions
20 , September

Hydraulic Pump or Main Control Valve: How to Diagnose Slow Excavator Functions

Separate main-pump faults from main-control-valve issues when excavator functions run slow, using pressure, flow, pilot checks, and fitment evidence on site.
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挖掘机液压系统
18 , September

The Mechanism of Hydraulic System Degradation in Excavators and Prevention Guidelines

This article explains how oil contamination, seal aging, and improper settings drive the degradation of excavator hydraulic systems.
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16 , September

Under what circumstances are aftermarket parts better than OEM

It explains that while OEM parts are traditionally favored for reliability, they can represent a poor financial investment for equipment that has exceeded its 10,000-hour design life due to diminishing marginal benefits and a low residual machine value.
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How to Test an Excavator Main Control Valve Before Installation
14 , September

How to Test an Excavator Main Control Valve Before Installation

Check bench tests, pressure settings, leakage, fitment, and inspection steps before installing an excavator main control valve safely on site with less rework.
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14 , September

How to choose the right excavator and compatible pump for different work scenarios

This article provides a comprehensive guide on selecting the appropriate excavator hydraulic pump for specific working scenarios, including heavy-duty mining, precision municipal projects, and high-frequency loading. It details the classifications of different hydraulic systems and highlights critical technical specifications, providing specific Komatsu pump part numbers to ensure accurate matching of heavy construction machinery components. By selecting the correct pump configuration, equipment managers can significantly improve operational efficiency and reduce overall lifecycle costs.
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10 , September

How to determine whether to choose original factory parts or aftermaket parts

The decision of whether to use original parts or aftermarket parts is not solely based on price
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