How to choose an excavator?

There are two main types of excavators, one is tire type excavators, and the other is track type excavators. These two configurations have their own advantages and disadvantages, and you need to first determine which configuration is most suitable for your needs.
Then you need to determine whether you need a “standard” excavator or a specially configured excavator. There are not many structural differences between different excavators, even when switching from one brand to another. Excavators are a multifunctional machine that usually only requires changing tools according to the work that needs to be completed.
However, some configurations are applicable to specific conditions, such as:
The support arms of the excavator can be extended to the top of the building using dismantling tools. The driver’s cab is usually protected from falling materials and can be tilted upwards, allowing the operator to see where they are working.
The zero tail tilting excavator can rotate without exceeding the surface of the machine, allowing it to work near walls without the risk of contact with them.
Pedestrian excavators are equipped with articulated ‘legs’ that enable them to work on steep or rugged terrain.
The multifunctional excavator has an arm with an additional joint to increase its movable range and enhance the machine’s versatility.
There are also highway railway models for working on railways, amphibious models for working on water bodies, and so on.
The main selection criteria for excavators are their size and power. The size of a machine is characterized by its working weight (for example, we can say: a 10 ton excavator). There are multiple sizes to choose from, from the smallest model of less than 1 ton to the open-pit mining excavator of more than 100 tons.
You need to choose an excavator that suits your needs. A model that is too small may not meet the job requirements, while a model that is too large may be clumsy and expensive.
The weight of an excavator can provide a concept of the overall size of the machine, but it is important to ensure that the robotic arm can reach the maximum distance it must work. Most manufacturers provide charts in their technical documentation that represent the motion of the robotic arm, representing the maximum height and depth that can be achieved.
Another important factor is the power of the engine, which provides power to the hydraulic device, which provides power to the robotic arm and tools installed on the arm. The engine is related to the size of the machine, but it may also differ, as a more powerful engine can perform more difficult tasks.
Most excavators are equipped with diesel engines, although in recent years we have seen the emergence of some hybrid diesel/electric engines equipped with energy recovery systems.
Therefore, excavators must comply with the current pollution prevention standards of the country/region in which they are used, most notably the classification system in the United States and the emission standards in Europe.
After determining the main characteristics of the excavator required, the excavator can also be selected based on standards such as ergonomics, comfort, work assistance equipment, or noise level of the driving position.
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