Work of this class involves the overhaul, repair, and maintenance of all mechanical components of heavy equipment and attachments, heavy construction equipment such as bulldozers, graders, backhoes, excavators, front end loaders, forklifts, heavy powered rollers, and related heavy equipment. Mechanic Responsibilities: · Inspects, diagnoses, repairs, replaces, and tests all components of gasoline and diesel internal combustion engines, engine starting systems, and steering and braking systems and hydraulic systems.