They perform routine maintenance checks on diesel engines, transmission components, and brake systems to ensure safety and longevity of the equipment. Repairing malfunctioning hydraulic components is an important responsibility of mobile heavy equipment mechanics. They also diagnose electrical problems and adjust or replace defective electronic components. Opportunities should be good for persons who complete formal post-secondary training in diesel mechanics or mobile equipment repair. This occupation offers the opportunity for relatively high earnings while performing challenging skilled work.
Mechanics increasingly use comoputerized diagnostic equipment.