Definitions of Common Excavator Parts

The basic parts and descriptions of a common excavator.

Arm

This part functions the same as the lower arm from the elbow to the wrist.

Boom

This part functions like the upper arm from the shoulder to the elbow.

Main Cab/Compartment

The importand devices to make the machine move are stored here. They include fuel,oil,an engine, a motor, and a cab for controls for the operator.

Bucket

This part can be replaced with a drill type, scissors, or other attachments depending on the job.

Crawler

The crawler makes it posiible for the machine to literally “crawl”. It has no problem moving on tough terrain and roads.