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Diesel Mechanic / Diesel Technician in San Diego, CA

Salary data, training programs, and job outlook for San Diego-area Diesel Mechanic / Diesel Technicians

💰 San Diego Area Salary

Entry Level
$40,000
Median
$55,690
Experienced
$80,000

Salaries vary by employer, experience, and certifications. San Diego figures based on regional BLS data and cost-of-living adjustments.

📋 About Diesel Mechanic / Diesel Technician Work in San Diego

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 San Diego

Browse all California schools offering Diesel Mechanic / Diesel Technician programs.

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📈 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