Excavator.
Excavator is the main tool of excavating loader. It can be used to excavate dense, hard material (often soil) or to lift heavy objects (such as sewage culverts). An excavator can lift the material and stack it on the side of the hole. To put it simply, an excavator is a huge arm or finger that is extremely powerful. It consists of three parts: the arm, the bucket rod and the bucket.
Stabilize your feet.
Other additional parts commonly seen on excavator loaders include two stabilizing feet behind the rear wheel. These legs are vital to the operation of the excavator. When the excavator is performing the excavation operation, the supporting foot can absorb the impact of weight. Without a stable foot, the weight of a heavy load or the downward force of digging will damage the wheels and tires, and the entire drag will bounce back continuously. The stable foot can keep the tractor stable and reduce the impact force produced by the excavator to the minimum. The stabilizer foot also holds the tractor in place so it doesn't slide into ditches or caves.