Diesel mechanics specialize in maintaining and repairing diesel engines, which are commonly found in trucks, buses, and heavy equipment. They diagnose engine problems, perform routine maintenance, and overhaul or replace defective parts. Diesel mechanics need strong mechanical skills and knowledge of diesel engine technology. They often work in repair shops, trucking companies, or construction sites.

• Key Skills: Diesel engine diagnostics, repair, maintenance, welding, hydraulics.
• Job Outlook: Good, with demand for skilled diesel mechanics.