Diesel Mechanic / Diesel Technician in Joliet, IL
Salary data, training programs, and job outlook for Joliet-area Diesel Mechanic / Diesel Technicians
💰 Joliet Area Salary
Salaries vary by employer, experience, and certifications. Joliet figures based on regional BLS data and cost-of-living adjustments.
📋 About Diesel Mechanic / Diesel Technician Work in Joliet
Diesel techs service and repair heavy trucks, buses, construction equipment, and marine engines. With millions of commercial trucks on US roads and freight demand growing, diesel techs are in massive demand — especially those who can work on Cummins, Caterpillar, and Volvo systems.
What You Do Day-to-Day
- Service and repair diesel engines
- Diagnose with diesel-specific scan tools
- Rebuild fuel injection systems
- Service brakes, transmissions, and axles on heavy trucks
- Maintain emissions compliance systems (DEF, DPF, EGR)
🎓 Training Programs Near Joliet
Browse all Illinois schools offering Diesel Mechanic / Diesel Technician programs.
📈 Job Outlook
National Growth: 4% (Average)
National Jobs: 309K employed nationwide
Credential Required: ASE Medium/Heavy Truck Certifications (T-series)
Typical Program: Diesel Technology Certificate or AAS — 1–2 years