Bus and Truck Mechanics and Diesel Engine Specialists: Salary 2025, How to Become, and Job Outlook
The median annual wage for bus and truck mechanics and diesel engine specialists is $61,770, with the middle half earning between $44,530 and $88,740. That works out to roughly $30 per hour. About 289,960 people work in this occupation nationwide.
How much Bus and Truck Mechanics and Diesel Engine Specialists earn
The median annual salary for this occupation is $61,770, according to the Bureau of Labor Statistics. The mean wage is $64,320, or about $30.92 per hour. Entry-level workers (10th percentile) earn around $44,530, while experienced top earners (90th percentile) make up to $88,740.
Pay varies significantly by industry. Mechanics working for local government (e.g., city bus fleets) often earn more than those in automotive repair shops. Specializing in diesel engines—as opposed to general light-duty repairs—typically boosts wages.
Pay by state
Highest-paying states include Hawaii ($80,080), Washington ($77,900), Alaska ($75,580), Maryland ($74,790), and California ($73,950). The lowest-paying states are Arkansas ($52,330), Alabama ($50,470), and West Virginia ($46,610).
How to become Bus and Truck Mechanics and Diesel Engine Specialist
Most workers enter the field through postsecondary training in diesel technology or heavy equipment repair at a community college or trade school. Programs typically last 6 months to 2 years and combine classroom instruction with hands-on lab work. Apprenticeships are another common path, offering paid on-the-job training alongside related classroom instruction.
Certification from the National Institute for Automotive Service Excellence (ASE) is widely recognized and can boost job prospects. ASE offers tests in areas like diesel engines, brakes, and electrical systems. Some states require a commercial driver's license (CDL) for mechanics who test-drive vehicles. Entry-level positions may not require certification, but experienced technicians often pursue it for advancement.
- Complete a diesel technology program at a community college or trade school (6 months to 2 years).
- Or start as an apprentice under an experienced mechanic (typically 3-4 years).
- Earn ASE certifications in specialty areas to improve job opportunities.
- Get a CDL if the job involves road testing or moving heavy vehicles.
Job outlook
Employment for bus and truck mechanics and diesel engine specialists is projected to grow 2.4% from 2024 to 2034, about as fast as average for all occupations. That translates to about 26,500 job openings each year, mostly due to the need to replace workers who retire or leave the field. The steady demand for freight and public transportation keeps this occupation stable even during economic downturns.
Frequently asked questions
Do bus and truck mechanics make good money?
Yes, the median wage is $61,770, which is above the national median for all occupations. Top earners make nearly $89,000.
What is the job growth for diesel mechanics?
Employment is projected to grow 2.4% from 2024 to 2034, about as fast as average, with around 26,500 openings per year.
How long does it take to become a diesel mechanic?
A typical diesel technology program takes 6 months to 2 years. Apprenticeships last 3 to 4 years. Many workers start earning after completing a program, then gain experience.
Which state pays the highest for bus and truck mechanics?
Hawaii leads at $80,080, followed by Washington ($77,900), Alaska ($75,580), Maryland ($74,790), and California ($73,950).
Salary figures are U.S. Bureau of Labor Statistics estimates (OEWS / Employment Projections). For informational purposes only; not career or financial advice. See the full Bus and Truck Mechanics and Diesel Engine Specialists data.