TENNESSEE CAREER DATA PROFILE

Diesel Mechanic Career Guide in Tennessee

Explore diesel mechanic salary, licensing requirements, training pathways, apprenticeships, job outlook, and career opportunities in Tennessee.

Last reviewed Reviewed by Career In Trades Editorial Team

Diesel Mechanic in Tennessee Snapshot
Median Salary $59,190
Hourly Wage $28.46
Job Growth +8% (2024–2034
License Not Required

How to Become a Diesel Mechanic in Tennessee

Tennessee offers several Diesel Powered Equipment Technology programs through its Colleges of Applied Technology. Training normally covers diesel engines, electrical controls, hydraulics, brakes, drivetrains and preventive maintenance.

Note: Training pathways vary by employer, program sponsor, and licensing category. Classroom education may provide useful technical preparation, but it does not automatically replace supervised work experience unless the applicable licensing authority specifically allows that credit.

Diesel Mechanic Salary in Tennessee

The salary figure shown on this page represents the Tennessee median wage for diesel mechanic workers, based on U.S. Bureau of Labor Statistics occupational wage data. A median wage is the point at which half of workers earn more and half earn less. It is not a guaranteed starting salary.

Actual earnings may vary by experience, license level, metropolitan area, employer, industry, overtime, and union agreement.

Tennessee Median $59,190
Hourly Wage $28.46
National Median $60,640

Compared with the national median of $60,640, the median wage in Tennessee is approximately $1,450 lower. This comparison does not account for differences in cost of living.

OFFICIAL REGULATORY SOURCE

Licensing Authority for Diesel Mechanics in Tennessee

Tennessee Department of Commerce and Insurance

Official Website: https://www.tn.gov/commerce/regboards.html

License Types:

  • No general diesel mechanic license
  • Business or contractor credentials where applicable

Authority Notes:

Employee diesel mechanics are generally not individually licensed. A repair business must still comply with local business, environmental, tax and workplace requirements.

Note: Licensing rules, fees, examinations, exemptions, and renewal requirements may change. Applicants should verify current requirements directly with the authority listed above before beginning work, applying for an examination, or enrolling in a training program.

CAREER PREPARATION

Diesel Mechanic Training Requirements in Tennessee

1Registered Apprenticeship
2Trade or Technical School
3Employer Training

Tennessee diesel mechanics may enter through a TCAT diploma, college certificate or employer-sponsored training program.

  • Complete hands-on study of diesel engines, fuel systems, electronic controls, brakes, hydraulics and drivetrains.
  • Build supervised shop experience and consider ASE Medium/Heavy Truck certification.
  • Obtain EPA Section 609 certification for mobile A/C work and a CDL when job duties require operating commercial vehicles.
EDUCATION DIRECTORY

Diesel Mechanic Training Providers in Tennessee

Provider City Program Website
TCAT Nashville Nashville View Program
TCAT Crump Crump View Program
Chattanooga State Community College Chattanooga View Program
TCAT Upper Cumberland Livingston View Program

Note: Program availability, admission requirements, tuition, and credit toward licensing requirements may change. Verify current details directly with the provider and the applicable state licensing authority before enrolling. Listings are informational and do not constitute rankings or endorsements.

PAID TRAINING OPPORTUNITIES

Diesel Mechanic Apprenticeship Programs in Tennessee

Technician Apprentice Program — TAP

Organization: Cummins Inc.

Program Website

TechStart Diesel Technician Training

Organization: Penske Truck Leasing

Program Website

Diesel Technician Apprentice Pathway

Organization: Tennessee Colleges of Applied Technology

Program Website

Dealer Technician Development Program

Organization: Thompson Machinery

Program Website

STATE AND LOCAL RULES

Diesel Mechanic Licensing Requirements in Tennessee

Tennessee does not issue a general state occupational license to employee diesel mechanics. Business licensing, CDL requirements and federal refrigerant-handling rules may apply depending on the technician’s duties.

EMPLOYMENT PROJECTIONS

Diesel Mechanic Job Outlook in Tennessee

+8% (2024–2034 Projected Employment Growth
2024 - 2034 Projection Period
640 Annual Openings

Employment is projected to grow 8%, from approximately 7,060 diesel mechanics in 2024 to 7,620 in 2034, producing about 640 annual openings.

Note: State employment projections may use a different base period from national BLS projections. Projected growth is an estimate rather than a guarantee of employment, and local demand may vary by metropolitan area, industry, construction activity, and employer investment.

CAREER QUESTIONS

Frequently Asked Questions

What is the diesel mechanic salary in Tennessee?

The statewide median wage for diesel mechanics in Tennessee is approximately $59,190 per year, or $28.46 per hour, based on May 2024 occupational wage data. Actual earnings vary by experience, license level, location, employer, overtime, and industry.

Does Tennessee require diesel mechanic licensing?

No statewide occupational license is generally required for diesel mechanic workers in Tennessee. Local jurisdictions, employers, or specific work scopes may still impose requirements, so applicants should verify current rules before beginning work.

How long does it take to become a diesel mechanic in Tennessee?

The time required depends on the license pathway and training program. A typical training pathway takes approximately 1–2 Years, although licensing, apprenticeship, and employer requirements may differ.

Are diesel mechanics in demand in Tennessee?

Tennessee projects diesel mechanic employment to grow by approximately 8% from 2024 to 2034, with about 640 openings per year. Projections include both new positions and openings created when workers leave the occupation.

DATA TRANSPARENCY

Career Data Sources

State wage, employment outlook, and licensing information is reviewed using government and official regulatory sources. Data and requirements may change after publication.

  1. May 2024 State Occupational Employment and Wage Estimates — U.S. Bureau of Labor Statistics. May 2024 State OEWS
  2. Tennessee Wages for Diesel Mechanic (SOC 49-3031) — O*NET OnLine, U.S. Department of Labor. Tennessee Diesel Mechanic Wages
  3. Tennessee Diesel Mechanic Employment Trends — O*NET OnLine, U.S. Department of Labor. Tennessee Diesel Mechanic Employment Trends
  4. Tennessee Department of Commerce and Insurance — Licensing authority. Tennessee Department of Commerce and Insurance
CAREER DISCOVERY

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STATE CAREER GUIDES

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