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Home > NEWS & EVENTS > Technologies News

> How to Thoroughly Replace Excavator Hydraulic Oil: A Professional Maintenance Guide

The service life of excavator hydraulic oil is typically4,000–6,000 operating hours, which means a complete oil change is usually required about once every two years. Unlike engine oil or gear oil, however, hydraulic oil replacement is far more complex. Only about50% of the total hydraulic oilis stored in the tank, while the rest remains in pipelines, pumps, valves, cylinders, and motors. Simply draining the tank results in old oil mixing with ne

> Safe and Efficient Techniques for Excavator Operation on Slopes

Regardless of working conditions, excavators inevitably face uphill and downhill operations. Although slope driving is common, it requires proper skills and experience to ensure safety and efficiency. Based on practical experience shared by seasoned operators, several key techniques can help improve performance on various gradients.

> Diagnosing Main Pump Slipper Failure in Excavators: A Practical Field Guide

Main pump slipper failure in an excavator may sound highly technical, but it can be explained with a practical scenario. Imagine an excavator working on site when a sudden “clicking” or “tapping” abnormal noise appears from the hydraulic main pump area. The jobsite is far from a service center or spare parts supply, the schedule is tight, and extended downtime is not an option. However, continuing operation without diagnosis may lead to serious m

> Tips for Avoiding Excavator Fire Accidents

As we approach the end of summer, although the peak heat is waning, this period remains a high-risk season for construction machinery fires. During these days, excavators exposed to sunlight can easily reach surface temperatures of forty to fifty degrees Celsius. If the machine itself has pre-existing overheating issues, the fire risk escalates significantly. To prevent accidental losses, it is essential to understand the causes of excavator fire

> Reasons for Difficulties in Starting High-Altitude Machinery and Solutions

When operating in high-altitude, frigid environments to excavate mountains and construct roads, construction machinery frequently encounters the challenge of difficult starting. Today we shall discuss: why does starting prove difficult in high-altitude, frigid conditions? What corresponding solutions exist?

> Common Causes of Excavator Engine Abnormal Noises

Abnormal engine noises remain a persistent challenge for excavator operators. A healthy diesel engine typically produces uniform exhaust sounds and minimal mechanical noise. However, excessive wear or improper maintenance can disrupt normal component clearances, leading to noticeable irregular sounds. Below are six key sources of engine noise in excavators:

> Seven Precautions For The Movement Of Excavators

In daily life and on forums, we often come across situations where excavators overturn during movement. We have compiled some precautions for excavators during movement, hoping that everyone can draw some reminders from them and enhance their own safety protection.

> Excavator Shaking? Quick Fixes for Abnormal Vibration

Abnormal vibrations in excavators not only affect the comfort of operators but can also lead to premature fatigue and ageing of components over time, resulting in unnecessary losses. What are the causes of abnormal vibrations in excavators, and how can they be addressed?

> Caterpillar Introduces Smart Technology Upgrades For Wheel Loaders

Caterpillar has announced a number of smart technologies for its new generation of medium-sized wheel loaders (covering the 950, 962, 966, 972, 980, 982 and other series), covering the areas of safety and protection, operational efficiency and remote control, and supporting modular upgrades to adapt to diversified needs.

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