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Tech & EngineeringStable

Bu and Truck Mechanic and Diesel Engine Specialist

Operational-level

Also known as: Biodiesel Engine Specialist, Boat Diesel Motor Mechanic, Boat Engine Installer, Boat Engine Mechanic

Tech & EngineeringBachelor's Degree

Job Description

As a Bus and Truck Mechanic and Diesel Engine Specialist, you'll diagnose, repair, and maintain various diesel engines found in buses, trucks, automobiles, and marine vessels. This hands-on role involves using tools and controls to fix complex machinery, often in noisy environments while wearing safety gear like gloves and hearing protection. You'll regularly talk with teammates and customers about vehicle issues and solutions. This career suits individuals with strong critical thinking skills who enjoy problem-solving and are committed to continuous learning.
Diesel MechanicsHeavy Vehicle TechnologyEngine RepairVehicle DiagnosticsMechanical EngineeringSkilled TradesTransportationTechnicalLogisticsAutomotive

Skills employers are looking for in 2027

Software and technologies flagged by O*NET as Hot or In-Demand for this role.

Job Outlook 2025-2035

Projected growth

+3.6%

US average: +3.5%

Job openings

24,400

per year (US)

Jobs today

316,000

in 2025 → 327,400 (2035)

Typical entry education

High school diploma or equivalent

Source: U.S. Bureau of Labor Statistics, Employment Projections; O*NET Bright Outlook. Read the BLS Occupational Outlook Handbook

Work Environment

How this work is typically performed, based on O*NET work context data.

Email & digital communication
Moderate
Working in a team
High
Contact with others
High
Freedom to make decisions
High
Time pressure
High
Time spent sitting
Low
Working outdoors
High
Indoor, climate-controlled
Moderate
Dealing with customers
Moderate
Level of competition
Moderate

Source: O*NET Work Context (v31.0)

Future Perspective

Stable Job Market

This career is stable, with projected employment growth. About 24,400 job openings are expected each year through 2035, and the median annual wage is about $61,770. You can advance your career by becoming a lead mechanic, specializing further, or moving into roles like fleet management.

Career ladder

Often before this role

  • Mechanic's Helper
  • Apprentice Automotive Technician

Where it can lead

  • Lead Mechanic
  • Shop Foreman
  • Fleet Manager

Impact of AI on this Job

AI and automation will increasingly assist these mechanics, particularly in diagnostics and predictive maintenance. AI-powered tools can analyze sensor data to pinpoint issues more accurately and predict failures before they occur, reducing downtime. While some routine tasks might be automated, the need for skilled human intervention for complex repairs and overhauls will remain crucial.