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Getting into a diesel tech apprenticeship

Bus and Truck Mechanics and Diesel Engine Specialists earn a median of $61,770 a year across the US. Here is what the application actually asks for.

US Bureau of Labor Statistics, OEWS · survey 2025-05

Diagnosing and repairing diesel engines and the trucks, buses and heavy equipment around them. Increasingly electronic: modern diagnostics are as much laptop as wrench.

What year one actually looks like

In a shop assisting on services and repairs, learning systems and diagnostics. Fleet work is steady; dealership and field service pay differently and feel different.

5 common requirements

What they ask for

  • 18 or older for most employers.
  • High-school diploma or GED, generally.
  • Basic math and a willingness to learn electronics and diagnostics.
  • Driver's license. A CDL is often wanted later, sometimes sooner.
  • Drug screen and physical.

These are what most programs ask. Every sponsor sets its own, so check the program page before you rely on any of it.

An interview and a practical

The test

Usually an interview and a practical assessment rather than a formal aptitude test. Employers hire heavily on attitude and reliability.

When to apply

Employer-driven and closer to continuous than the building trades. Demand is steady because freight does not stop.

We do not list application dates, because no registry publishes them and we will not invent one. Calling the training center and asking is the only reliable way, and it takes five minutes.

3 next steps

If you are not ready yet

  • A community-college diesel program is a well-trodden route, and the schools listed here are real options.
  • Ask about tools before you commit. Many shops expect technicians to own a substantial personal tool set, and that bill is real money nobody mentions in a brochure.
  • Fleet employers, school districts and municipalities often train from scratch and rarely advertise.

None of this disqualifies you permanently. Most of it is a few months of work.

1,013 diesel tech programs listed

Find a diesel tech apprenticeship near you