Diesel Tech Pay · Texas

Diesel Mechanic Salary in Texas (2026)

Real pay by career stage, top employers, and schools — researched and maintained by a working tradesman. Updated 2026.

Diesel technicians keep the trucks, fleets, and heavy equipment running — and it's a trade with steady demand and a clear path to six figures for master techs. Texas diesel mechanics earn solid money that climbs with ASE certification and experience. Here's the real pay, the top employers, and how to get started in Texas.

Texas Diesel Technician Pay Range

$48-90k

⏱ Oil field OT adds $8-20k

Pay by Career Stage in Texas

Here's how diesel tech pay progresses in Texas — from entry-level technician to journeyman and master tech. ASE certifications are the main lever that moves you up the scale.

Entry Tech$22/hr

Journeyman$37/hr

Master Tech$45/hr

Before You Decide

Is Diesel Tech Worth It vs College?

See how a Texas diesel career stacks up against a four-year degree — lifetime earnings, debt, and net worth, side by side.

Run the Wealth Calculator → See the pay map →

Top Diesel Employers in Texas

These are employers Texas diesel techs rate, based on field reviews. Dealerships, fleets, and equipment shops pay differently — and master techs with ASE certs command the most. Ask around before you commit.

Rush Enterprises TX HQ★ 4.0 (38 reviews)

Premier Truck Group TX★ 3.9 (22 reviews)

Diesel Schools & Training in Texas

You can break into diesel through a technical program or by starting as an entry-level tech and learning on the job. These are diesel technology programs that serve Texas. Look for ones with strong employer connections and hands-on shop time.

Texas State Technical CollegeDiesel Technology (multiple campuses)

Lee CollegeDiesel Technology

How to Become a Diesel Mechanic in Texas

The path is fast and affordable: get a high school diploma or GED, enroll in a diesel technology program (1–2 years) or get hired as an entry-level tech, then earn ASE certifications as you go. Push toward Master Technician status — a full set of ASE diesel certs — to reach the top of the Texas pay scale. Many techs also get manufacturer-specific training (Cummins, Cat, Detroit) that boosts pay further.

For the full step-by-step — tools, certifications, and what the work is really like — read our full guide to becoming a diesel technician.

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Frequently Asked Questions

How much do diesel mechanics make in Texas?

In Texas, diesel technician pay ranges roughly $48-90k depending on experience and certification. Entry techs start lower, journeyman techs earn the middle, and master techs with ASE certs earn the most. Oil field OT adds $8-20k.

How long does it take to become a diesel technician in Texas?

Most diesel technology programs in Texas take 1 to 2 years (a certificate is faster, an associate degree is about two years). Many techs also start as entry-level apprentices at a fleet or dealership and learn on the job while getting paid.

Do you need ASE certification to be a diesel mechanic in Texas?

It's not legally required, but ASE (National Institute for Automotive Service Excellence) certifications are the industry standard and directly raise your pay. Master Technician status (a full set of ASE diesel certs) is what moves you to the top of the Texas pay scale.

Where do diesel technicians work in Texas?

Truck dealerships, fleet maintenance shops, trucking companies, construction and ag equipment dealers, and bus/transit yards all hire diesel techs in Texas. Local employers include Rush Enterprises TX HQ, Premier Truck Group TX.