Excavators is big machines that help with building and digging stuff. They very important on construction sites. An excavator have many parts that works together to do its job. The main parts includes the boom, arm, bucket, and cab. Boom is the long arm that reach out for lifting heavy things. The arm attach to the boom and it hold the bucket. Bucket act as the scoop dig into ground. Cab is where operator sit to control the machine. So, understanding these parts is key for using excavator effectively.