Bus and Truck Mechanics and Diesel Engine Specialists: Salary, Job Outlook & How to Become One (2026 Parent Guide)

Bus and Truck Mechanics and Diesel Engine Specialists fall under the Installation, Maintenance, and Repair category in the U.S. occupational classification. Bus and Truck Mechanics and Diesel Engine Specialists earn a median salary of $61,770 per year, ranking in the top 49% of all U.S. occupations. The Bureau of Labor Statistics projects +3.6% job growth through 2035, projected to grow at roughly the US average. Entry into this field typically requires an apprenticeship, technical certification, or postsecondary training, with specific licensing or certification depending on the state and employer. For parents whose teenager is exploring this path, the most actionable step is mapping the education requirements to specific colleges and majors before junior year — not waiting until application season.

What do bus and truck mechanics and diesel engine specialists earn?

The median annual wage for bus and truck mechanics and diesel engine specialists is $61,770. That puts bus and truck mechanics and diesel engine specialists at #408 on the BLS ranked list of all U.S. occupations by median pay. This salary is above the U.S. median for individual workers and reflects a stable, credentialed occupation. Actual pay varies meaningfully by state, employer type, and years of experience — entry-level salaries are typically 30–40% below the median, while top-decile earners often exceed it by 50% or more.

Is bus and truck mechanics and diesel engine specialists a growing career?

The 10-year outlook for bus and truck mechanics and diesel engine specialists is +3.6%, projected to grow at roughly the US average. Employment is projected to move from approximately 316K positions in 2024 to 327K in 2034, a net change of 11K. Average growth signals a healthy, resilient occupation that mirrors broader U.S. employment trends. Job availability tends to track regional economic conditions.

What do bus and truck mechanics and diesel engine specialists do every day?

According to O*NET task surveys of working bus and truck mechanics and diesel engine specialists, these are the core responsibilities most professionals perform. This is what your teen would actually be doing in this role.

1. 1.Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
2. 2.Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
3. 3.Recondition and replace parts, pistons, bearings, gears, and valves.
4. 4.Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
5. 5.Rewire ignition systems, lights, and instrument panels.
6. 6.Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.
7. 7.Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
8. 8.Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.

Top skills for bus and truck mechanics and diesel engine specialists

O*NET ranks these as the most important skills for this occupation, on a 1–5 importance scale derived from worker surveys.

What education does my child need to become bus and truck mechanics and diesel engine specialist?

Bus and Truck Mechanics and Diesel Engine Specialists typically enter the field through a formal apprenticeship, technical certification, or vocational training program — a strong fit for teens who prefer hands-on learning over traditional college. For parents helping a teen prepare, the highest-leverage step before junior year is identifying colleges and programs that feed reliably into this occupation — Solyo's college search lets parents filter by major and admissions data side by side.

Related careers your child might also consider

• Medical Equipment Repairers
  $61,660 median
• Refractory Materials Repairers, Except Brickmasons
  $61,290 median
• Heating, Air Conditioning, and Refrigeration Mechanics and Installers
  $61,010 median
• Maintenance Workers, Machinery
  $60,850 median
• Security and Fire Alarm Systems Installers
  $60,070 median
• Motorboat Mechanics and Service Technicians
  $57,550 median

Common questions parents ask about bus and truck mechanics and diesel engine specialists