Students train in a Diesel lab at UTI Avondale.

Diesel Mechanic School in Avondale, AZ

Get training to become a diesel technician at UTI’s Avondale campus.

Diesel Mechanic School in Avondale, AZ

Get training to become a diesel technician at UTI’s Avondale campus.

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Students train in a Diesel lab at UTI Avondale.

Diesel Mechanic School in Avondale, AZ

Get training to become a diesel technician at UTI’s Avondale campus.


There are some big names in the diesel industry — and you can get the training and experience needed to work on the components of diesel-powered vehicles and machines those companies use by enrolling in the Diesel Technology program at Universal Technical Institute. Students can graduate in as little as 45 weeks7 prepared for entry-level careers as diesel technicians when they train at the UTI Avondale campus, located just outside of Phoenix, Arizona.1

45 weeks Program length
2004 Year campus opened
3 weeks Frequency of class start dates


Students get hands-on experience in a Diesel lab at UTI Avondale.

In the Diesel Technology program at UTI Avondale, students are trained on how to maintain and repair commercial vehicles and heavy-equipment systems that rely on diesel technology. The Diesel program features foundational courses that build knowledge from the ground up, meaning all skill levels are welcome.

From learning about the various electronic systems and technology to servicing engines, courses cover the different aspects of diesel-powered vehicles and machinery. The Diesel program follows UTI’s blended learning model, which combines online instructor-led training with hands-on application in the lab.18


Classes in the Diesel program at UTI Avondale are designed to train students to learn in-demand skills needed in the industry. Courses include:

  • Diesel Engines Service & Repair
  • Diesel Truck Manual Transmissions
  • Diesel Truck Brake Systems & Chassis
  • Diesel Truck Steering & Suspension Systems
  • Diesel Hydraulic Systems
  • Vehicle Electronic Systems and Technology
  • Diesel Truck Transport Refrigeration
  • Diesel Truck Preventative Maintenance
  • Automotive Climate Control Systems and Repair


Brandon Davis always had an interest in big rigs and trucks. After seeing a commercial for UTI, he decided to move from Ohio to attend the Diesel Technology program at the Avondale campus. Brandon now works as a diesel mechanic for Freightliner.5 Hear more about his story here.


Something to keep in mind when enrolling in a training program are the types of graduation documents you can receive. These can be useful when entering the workforce.

Graduates of the Diesel Technology program at UTI Avondale earn diplomas. If students choose to take a Manufacturer-Specific Advanced Training program (MSAT) in addition to the core program, they can earn an Associate of Occupational Studies (AOS) degree.11

Diesel program grads are also prepared to test for ASE certifications, and they’re able to substitute their training for one of the two years of work experience required to become ASE certified.16


The UTI Avondale campus offers three options when it comes to MSAT programs students can consider taking in addition to the core Diesel program: the 12-week Cummins Engines program,46 the 12-week Cummins Power Generation program46 and the 12-week Daimler Trucks North America (DTNA) Finish First program.

Cummins Power Generation


The Diesel program at UTI Avondale is designed to give students the experience needed for entry-level roles in the industry, but that doesn’t mean there aren’t more opportunities out there. As graduates gain skills and experience, they could transition into other roles, including:

Read our career guide to learn more about some of the different paths available in the diesel industry.

28,000+ Estimated average annual diesel job openings in the U.S.43
$48,650 Median annual salary* for diesel techs in the Phoenix/Mesa/Scottsdale area29

*Not entry-level and is dependent on factors like experience, location, and employer compensation.


UTI’s Avondale campus is located just outside the city of Phoenix — the fifth largest city in the United States! There are plenty of nearby attractions to check out, including Phoenix Raceway, so you can catch some of the action when it comes to town.

UTI Avondale campus location on google maps


10695 West Pierce Street, Suite 100
   Avondale, AZ 85323

M-F | 8am-5pm | Hours
M-F | 10:00am & 2:30pm | Campus Tours

623-245-4600 | Campus
800-834-7308 | Admissions
866-224-8162 |  Financial Aid
800-859-1202 |  Student Services
623-245-4663 |  Career Services

* If you wish to post a job please click here.


Guided tours of the UTI Avondale campus are offered Monday through Friday to let you get a behind-the-scenes look at the different labs and classrooms. It’s a great way to see if UTI is right for you!


UTI hosts all kinds of events, from industry days to open houses. There are a ton of virtual and in-person events coming up — view our events calendar to see what’s in the works!


The world relies on diesel engines to keep many industries moving, and diesel technicians play an important role in keeping things running smoothly. If you’re interested in pursuing a career in a growing industry, training at UTI Avondale can help get you there. Request information and connect with an Admissions Representative who will help you take the first step toward an exciting future.