Diesel Mechanic Career Guide

Start your career as a skilled Diesel Mechanic

Average Salary $60,640
Training Time 1–2 Years
Job Growth +3%
License Not Required

What Does an Diesel Mechanic Do?

  • Repair diesel engines
  • Inspect trucks and equipment
  • Perform routine maintenance
  • Diagnose mechanical problems
  • Replace engine components
  • Maintain service records

Top Employers

Cummins

Columbus, Indiana

Penske Truck Leasing

Reading, Pennsylvania

Ryder System

Miami, Florida

J.B. Hunt Transport Services

Lowell, Arkansas

Schneider National

Green Bay, Wisconsin

Available States

Diesel Mechanic in Arizona Diesel Mechanic in California Diesel Mechanic in Florida Diesel Mechanic in Georgia Diesel Mechanic in Illinois Diesel Mechanic in New York Diesel Mechanic in North Carolina Diesel Mechanic in Ohio Diesel Mechanic in Pennsylvania Diesel Mechanic in Texas

Frequently Asked Questions

How long does it take to become a diesel mechanic?

Most diesel mechanics complete training in 1–2 years.

Do diesel mechanics need certification?

Certification is optional but can improve job opportunities.

Can I become a diesel mechanic without trade school?

Yes. Some employers provide on-the-job training.

What is the average salary of a diesel mechanic?

Diesel mechanics earn an average annual salary of about $60,640.

Is diesel mechanic a good career in 2026?

Yes. Demand remains stable due to the transportation and logistics industries.