excavator. Sunday , December 24th , 2017 - 14:35:11 PM
Wheel excavator runs on wheels and are used for excavation and loading of dump trucks and most of the time it is only used for plain ground operations. Because of wheel, it is not suitable for hilly areas due to low grip value to the ground.
Crawler excavator runs on two endless tracks (chain wheel system). These types of excavators are used in hilly areas where risks of sliding of machinery are on the verge. Crawler type excavator has low ground pressure because of spreading of load on large area. Therefore, it is also used where soil support is weak.
On the end of the stick is usually a bucket. A wide, large capacity (mud) bucket with a straight cutting edge is used for cleanup and levelling or where the material to be dug is soft, and teeth are not required. A general purpose (GP) bucket is generally smaller, stronger, and has hardened side cutters and teeth used to break through hard ground and rocks. Buckets have numerous shapes and sizes for various applications. There are also many other attachments which are available to be attached to the excavator for boring, ripping, crushing, cutting, lifting, etc.
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