One of the best examples of earth moving equipments are excavators. These are very large and heavy equipments that make use of tanks instead of using the tires. In these types of equipments, you will find that there is a bucket and a long arm attached that are usually big and wide. This arm will be located on a location and this location is called as pivoting cab. This is capable of rotating in 360 degrees and this will be giving the operator easiness and flexibility with which it can operate the excavators. These equipments are basically used for digging out the dirt.