Diesel Tech Pay · Montana

Diesel Mechanic Salary in Montana (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. Montana 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 Montana.

Montana Diesel Technician Pay Range

$44-84k

⏱ OT adds $6-14k

Pay by Career Stage in Montana

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

Entry Tech$20/hr

Journeyman$34/hr

Master Tech$42/hr

Before You Decide

Is Diesel Tech Worth It vs College?

See how a Montana 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 Montana

These are employers Montana 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.

Rimrock Diesel★ 4.0 (6 reviews)

Montana equipment services★ 3.9 (4 reviews)

Diesel Schools & Training in Montana

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 Montana. Look for ones with strong employer connections and hands-on shop time.

Montana State University BillingsDiesel Technology

Flathead Valley CCDiesel Tech

How to Become a Diesel Mechanic in Montana

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 Montana 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 Montana?

In Montana, diesel technician pay ranges roughly $44-84k depending on experience and certification. Entry techs start lower, journeyman techs earn the middle, and master techs with ASE certs earn the most. OT adds $6-14k.

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

Most diesel technology programs in Montana 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 Montana?

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 Montana pay scale.

Where do diesel technicians work in Montana?

Truck dealerships, fleet maintenance shops, trucking companies, construction and ag equipment dealers, and bus/transit yards all hire diesel techs in Montana. Local employers include Rimrock Diesel, Montana equipment services.