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The Classfication of Used ExcavatorTags: wheeled excavators for sale excellent used excavator2014-01-22
The classification of used excavator is diversified. There are so many kinds of specifications of used excavators, such as mini excavator, large excavator, the backhoe excavator and so on. Firstly, the mini excavator refers to the kind of used excavator which with the weight of 6 tons and below 6 tons. Its model is small, so that it will be convenient to work at a small place to guarantee the efficient and safe operation. Then it is especially suitable for narrow site area.
Secondly, it is the medium-sized excavator. It refers to the used excavator with the total weight between 6 tons and 40 tons. This kind of excavator is generally the most common type of excavator used on the road. Thirdly, it is the large excavator, which refers to the kind of used excavator with the total weight above 40 tons. It is usually difficult to see the large excavator unless in the transport process. The users almost are for mining in large stop with great models and with large capacity. Powerful engine and pump with high pressure and huge hydraulic technology, its lower part of the course the forearm to meet all the requirements in mining.
Fourthly, it is the backhoe excavator. This kind of used excavator belongs to one of the large excavators. Also, the excavator has powerful engine and the pump with huge hydraulic technology, and it can scoop back pack faster in the mine mining to increase its work efficiency. The characteristics of the backhoe excavator consist of back down, forced cut soil and so on. Fifthly, it is the kind of wheel excavator which belongs to medium-size used excavators. It just to change the lower half of the crawler into the similar general automobile tires, which enables it have a faster movement speed than normal and flexibility among the medium-sized excavators. It can increase the digging movement speed and its work efficiency. But there are some disadvantages. For example, it doesn't like the general medium-size used excavators can use easily in various conditions on the loose pavement.
Sixthly, it is also a large used excavator called dredging vessel. Its body equipped to the hull which can float freely in the water to dig. It is usually used for removal of rivers and lakes reservoir silt, powerful force. Its smooth and fast operation performance make available dredging vessel for any large Marine operation. Seventhly, it is catch a shovel. It is particularly suitable for digging narrow and deep foundation pit, old channels and dig for water in the mud. There are three important parameters of its operating weight for used excavator, engine power, bucket capacity and operating weight. Its operating weight decides the level of the excavator and its upper limit of the excavator digging force.
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