Diesel Technician
SOC 49-3031.00 · ESCO 7231 · OSCA 351433
Role snapshot
Overview
Inspects, diagnoses, and repairs diesel engines in trucks, buses, and heavy equipment, performing routine maintenance and replacing worn components to keep vehicles running safely and efficiently. This role involves using diagnostic tools, specialized equipment, and manual labor to troubleshoot complex mechanical and electrical issues, ensuring compliance with safety standards and operational requirements.
Ensures the safe and reliable operation of essential transportation and industrial equipment, directly supporting logistics, construction, and public services, and minimizing downtime for businesses.
On the job
- Perform routine preventative maintenance, including oil changes, lubrication, and filter replacement.
- Diagnose mechanical and electrical problems using computerized diagnostic equipment and manual inspection.
- Repair or replace defective components, such as engines, transmissions, brakes, and electrical systems.
- Conduct test drives and adjust vehicle systems to ensure proper performance.
- Maintain detailed records of repairs and maintenance performed.
Tools & technology
Average salary
Job outlook
GrowingJob growth is expected to be above average over the next five years.
Education & training
Vocational training, an associate's degree in diesel technology, or equivalent apprenticeship experience is typically required.
Career pathways
WHERE YOU COULD GO
CURRENT ROLE
Diesel Technician
Hospitality & Food Service
ADJACENT MOVES
STARTING POINTS
Who thrives here
Interest profile
realistic · RCI
Individuals who enjoy hands-on, practical tasks, working with tools and machinery, and solving technical problems will find this role engaging. A methodical and investigative approach to diagnosis and repair is key.
Personality characteristics
Practical problem-solver
Enjoys using tools and logic to fix tangible mechanical issues.
Conscientious
Pays close attention to detail and follows procedures to ensure quality and safety.
Methodical
Approaches diagnosis and repair systematically to identify root causes efficiently.
Calm under pressure
Maintains composure when facing complex breakdowns or urgent repairs.
Cooperative
Works effectively with team members and communicates clearly with supervisors.
Best for
- Individuals who enjoy diagnosing and fixing complex machinery with their hands.
- Those who thrive in a workshop environment and value tangible results.
- People who are meticulous, patient, and committed to safety and quality.
Watch out for
- Requires physical stamina and working in various weather conditions, potentially outdoors.
- Can involve irregular hours or emergency call-outs, impacting work-life balance.
A week in the life
A representative working week for a Diesel Technician — where the deep work, meetings, and admin actually land.
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