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Diesel Mechanic / Diesel Technician in Knoxville, TN

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

💰 Knoxville Area Salary

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

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

📋 About Diesel Mechanic / Diesel Technician Work in Knoxville

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 Knoxville

Browse all Tennessee 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