What is definition excavator?

An excavator is a heavy construction equipment that is designed to be used for digging and excavation purposes. It consists of a long arm or a boom that is attached to a cab and a rotating platform called the house. The house sits on an undercarriage with tracks or wheels. Excavators are usually powered by hydraulic fluid that is controlled by a hydraulic pump. The arm or boom has a bucket that is used to dig and move the earth or other materials like rock, gravel, sand, and debris. Excavators come in different sizes and types like mini excavators, standard excavators, and hydraulic excavators. They are commonly used in construction projects like building, mining, demolition, and landscaping.