Their duties vary depending on the type of equipment and industry but generally include the following: Duties/Responsibilities: Operate machines like bulldozers, backhoes, excavators, rollers, forklifts, loaders, graders, and other specialized equipment used for digging, installing utilities, moving material, compacting, grading, etc. The equipment operator is responsible for operating heavy machinery and equipment used in construction, demolition, transportation, or other industrial settings.