Diesel / Fleet Technician
Also posted as Diesel Technician; Fleet Maintenance Technician; Heavy Duty Mechanic; Truck Technician; Equipment Technician
A diesel / fleet technician diagnoses, maintains, and repairs heavy equipment and diesel-powered fleets, working across engines, hydraulics, and electrical systems that keep machines earning. It's a hands-on job in shops and in the field, and most people start with a certificate or short, hands-on training program, not a four-year degree.
Below: what it pays, what you'd do, the skills you need, and how to become one.

The role profile
Everything you need to know about this role, the same details employers use to post openings and colleges use to build training.
How much does it pay?
Explore the core responsibilities of this role, from daily operations and equipment handling to safety, quality, and performance requirements.
Diagnose with precision
Use scan tools and tests to find faults in engines and systems fast.
Repair major systems
Service engines, hydraulics, drivetrains, and electrical systems.
Run preventive maintenance
Keep fleets inspected and serviced so machines stay on the job.
Document and order
Record work and manage parts so repairs finish on time.
What skills do you need?
Three core skills sit at the heart of this role. You can learn all of them through short, hands-on training.
Diesel Engines
Diagnosing and overhauling diesel engines and related systems.
Hydraulics
Diagnosing and repairing the hydraulic systems that power heavy machinery.
Electrical Systems
Tracing and repairing the electrical systems that run vehicles and equipment.
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