Excavators have a thing called the boom arm that makes them what they are. The boom arm is sort of a giant metal arm that moves up, down and side to side. It makes it easy to pick up heavy stuff and dig deep into the ground.
Graders load dirt, and dirt loads are moved with an excavator. Excavators are large, powerful machines with a unique arm, called the boom arm. The boom arm is perhaps the most important of all — it's what helps the excavator pick up heavy things and scoop out deep holes. The excavator would have been useless without the boom arm.
Boom arms on the excavators are really strong. They can carry heavy items, such as rocks and tree stumps. It is flexible as the boom arm has joints that can bend and stretch in various directions. This enables the excavator to go to hard-to-reach places. The excavator would be unable to lift heavy items or dig deep into the earth without a boom arm.

RELATED: The Many Uses of Excavator Boom Arms —> The boom arms of an excavator can be found many places, and not only on construction sites. They are also employed in mining, agriculture, and even in the demolition of old buildings. Excavators with boom arms can be used in many different ways, and they are versatile pieces of equipment. That is why they are so important in so many industries.

To ensure service life of the excavator boom arm, it is necessary to use and maintain it correctly. Operators should always take an orientation of the manual and receive training before having the operating excavator. Maintaining the boom arm, like periodically looking for loose parts or leaks, can better prevent accidents and keep it working well.

Excavator boom arms have come a long way from the day they were introduced. Today's boom arms are made with more durable materials and better technology. And some boom arms can be computer controlled, which helps out even more by making them more usable and safer. The recent developments in the technology of excavator boom arms have made them, in particular today's machines, highly significant.