What are the three major parts of an excavator?
In the field of construction machinery, excavators are indispensable equipment in construction, and the core performance of the excavator depends on its key components - commonly known as the "three major parts". This article will focus onThree major parts of excavatorExpand a detailed introduction, and combine the hot topics and hot content of the entire network in the past 10 days to provide readers with structured data and analysis.
1. The definition and function of the three major parts of the excavator

The three major parts of an excavator usually refer toEngine, hydraulic system and traveling gear, these three major components directly determine the power, efficiency and stability of the excavator.
| Part name | Function description | Key brands/technologies |
|---|---|---|
| engine | Providing power, affecting the excavator's operating capability and fuel efficiency | Cummins, Volvo, Mitsubishi |
| Hydraulic system | Control the movement accuracy and power output of the excavator | Kawasaki, Rexroth, Komatsu |
| Running gear | Supports excavator movement and stability | Crawler type, tire type |
2. Analysis of the correlation between hot topics on the Internet in the past 10 days and three major excavator items
After combing through the hot content of the entire network in the past 10 days, we found the following hot topics related to the three major parts of the excavator:
| hot topics | Related points | Discussion popularity |
|---|---|---|
| New energy excavator technology breakthrough | Engine electrification trend | high |
| Intelligent upgrade of hydraulic system | Precise control and energy saving | Middle to high |
| Excavator failure rate statistics | The importance of three major maintenance items | in |
3. Suggestions for purchasing and maintaining the three major parts of the excavator
1.Engine selection: Give priority to well-known brands and pay attention to fuel efficiency and emission standards. In particular, the implementation of the National IV emission policy has put forward higher requirements for engine performance.
2.Hydraulic system maintenance: Regularly check the quality of hydraulic oil to avoid impurities entering the system, causing slow action or oil leakage.
3.Running gear maintenance: Crawler-type excavators need to pay attention to the tightness of the tracks, and tire-type excavators should check tire wear to ensure safe operation.
4. Industry trends and future prospects
With the advancement of technology, the three major parts of the excavator are developing in the direction of intelligence and energy saving. For example:
In short, the three major parts of the excavator are the core of the excavator's performance, and users should focus on them when selecting and maintaining them. In the future, with the continuous innovation of technology, the efficiency and environmental protection performance of excavators will be further improved.
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