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What Is the Best Diesel Mechanic School?

Are you interested in becoming a diesel mechanic? In this rewarding and in-demand career, you will perform essential maintenance and repair on diesel engines. 

But before you take the leap and start working as a diesel mechanic, you need additional education and training. Check out the best diesel mechanic schools in the USA and get started on your new career today!

Quicklook: Best Diesel Mechanic Schools

  • Best For Comprehensive Training: Lincoln Tech
  • Best For Manufacturer-Specific Training: Universal Technical Institute 
  • Best For Alternative Hands-On Education: American Diesel Training
  • Best For Associates Degree Program: J-Tech
  • Best For Accelerated Training: WyoTech

5 Best Diesel Mechanic Schools

Start your career off right with the best diesel mechanic schools in the USA.

Lincoln Tech

lincoln tech

With six campuses across the US offering Diesel Technology training programs, Lincoln Tech is a great technical school experienced in the trade. With hands-on education in their giant and designated diesel shops on campus, students learn everything from the complete assembly and disassembly of a diesel engine to repairing air brake systems. They also have partnerships with companies specializing in diesel-powered machines for job placement.  

Best For: Comprehensive Training


  • Denver, CO
  • East Windsor, CT
  • Grand Prairie, TX
  • Indianapolis, IN
  • Nashville, TN
  • South Plainfield, NJ

Enrollment: 1,000 to 2,000 students

Acceptance Rate: 100%

Tuition: $33,000 per year

Overview of Diesel Mechanic Program: Lincoln tech offers a traditional technical institute program for aspiring diesel mechanics in six different U.S. states.

Unique Features of School

  • Comprehensive education covering more than just trucks
  • Designated on-campus diesel shops
  • All training is by ASE certified instructors

Universal Technical Institute

universal technical institute

With 11 campuses offering diesel tech programs, the Universal Technical Institute is an excellent choice for aspiring diesel mechanics. UTI’s core 45-week Diesel Technology Program teaches students all the fundamentals necessary to service and repair diesel trucks and engines. 

After completion, students can go on to complete one of their Manufacturer-Specific Advanced Training programs in 12 to 15 weeks to gain additional skills that employers look for in their mechanics. 

Best For:  Manufacturer-Specific Training


  • Austin, TX
  • Avondale, AZ
  • Bloomfield, NJ
  • Dallas/Fort Worth, TX
  • Exton, PA
  • Houston, TX
  • Lisle, IL
  • Long Beach, CA
  • Orlando, FL
  • Rancho Cucamonga, CA
  • Sacramento, CA

Enrollment: 1,869 students 

Acceptance Rate: 100%

Tuition: $41,000 per year

Overview of Diesel Mechanic Program: UTI’s Diesel Technology program is a hands-on training program that teaches the core skills needed for working with diesel engines. After completion, students can specialize in a specific manufacturer in their advanced training programs

Unique Features of School

  • Manufacturer-specific training
  • A tiered program that’s focused and accelerated
  • Eleven campuses to choose from

American Diesel Training

american diesel training

American Diesel Training is an innovative alternative to traditional diesel mechanic schools. In just five weeks, students train to become diesel mechanics in an intense, hands-on program designed to prepare them for real-world applications in the job. 

Additionally, they partner with over 200 transportation and trucking companies. In doing so, the company guarantees job placement for all students with perfect attendance in the program. 

Best For: Alternative Hands-On Education


  • Columbus, OH
  • Cincinnati, OH


  • Small classes
  • 1,000+ diesel mechanics trained

Acceptance Rate: 100%


  • Income-based payments
  • Max total of $15,216

Overview of Diesel Mechanic Program: This unique 5-week diesel mechanic program is only 20% of the time and cost of a typical technical school and consists of entirely hands-on learning.

Unique Features of School

  • Job placement assistance
  • Entirely hands-on training
  • Guaranteed job placement for students with perfect attendance
  • Partnerships with 200+ transportation companies



You can’t beat J-Tech’s Diesel Technology associate’s degree program for students looking for a more traditional training program. This 91-credit ASE-based Diesel Technology Program combines classroom learning and hands-on training to understand diesel engines fully. But don’t be fooled by this program’s classic structure. 

J-Tech’s 26,000-square-foot diesel lab is fully equipped with the latest technology, including computerized automotive information systems, diagnostic computer scanners, and specialized automatic transmission tools.

Best For: Associate’s Degree Program

Location: Jacksonville, FL

Enrollment: 375 students 

Acceptance Rate: 100%

Tuition: $14,000 per year

Overview of Diesel Mechanic Program: J-Tech’s diesel technician and mechanic training program is a 91-credit-hour diesel technology course incorporating classroom learning and hands-on experience in their high-tech lab.

Unique Features of School

  • Students earn an associates degree upon completion
  • Proprietary Volvo/Mack curriculum
  • Job placement opportunities across the US and Mexico



Located in Laramie, Wyoming, WyoTech offers a fantastic diesel technology program that students can complete in six months. Their program is well designed, so you can spend 60% of your time in the shop receiving hands-on training. This course is broken down into 6-week sessions, each with a different focus. It culminates with a 12-week specialty program of your choice. 

Best For: Accelerated Training

Location: Laramie, Wyoming

Enrollment: 685 students 

Acceptance Rate: 100%

Tuition: $28,000

Overview of Diesel Mechanic Program: WyoTech’s Diesel Technology program is an accelerated yet comprehensive program covering diesel engines, engine management, refrigeration, power trains, fluid power and electrical, and a specialty program.

Unique Features of School

  • The core program is divided into four 6-week sessions and one 12-week specialty program.
  • There’s a great balance between hands-on training and theory. 
  • WyoTech also offers various industry certifications to boost your education.

What Is a Diesel Mechanic?

A diesel mechanic specializes in servicing, repairing, and inspecting diesel engines and vehicles. They work on a wide range of vehicles and machinery essential to the transportation industry.

What to Consider With Diesel Mechanic Programs

The right educational program can make a huge difference in your career, so be sure to research several schools and consider the following factors while making your decision. 

Program Material

Look into the material you will be covering in your program, as well as how that material is taught. For example, some diesel mechanic programs are entirely hands-on, while others combine more classroom work. Also, check to see if they offer the specializations you’re interested in or if it’s a general program.

Tuition & School Fees

Education is a significant investment, so it’s essential to understand what your tuition is and what fees are covered so you can budget for added expenses. 

Job Opportunities

There are many openings for diesel mechanics in the United States. However, not all training can prepare you for these available positions. Look for programs that can set you apart from other applicants and schools that offer job placement assistance. 


Some people don’t mind traveling for school, while others like to stay close to home. Think about where you would like to live while in school and beyond as you choose. 

Length of Program

Diesel mechanic programs can vary significantly in length, from as short as five weeks to over a year. Consider if you’re looking for an accelerated program or a more comprehensive one to narrow down your choices. 

Start Your Training to Become a Diesel Mechanic Today

Diesel mechanics are an essential part of the transportation industry. By attending one of the best diesel technology programs in the country, you can set yourself apart from other applicants and begin a successful and fulfilling career. 


What is a diesel mechanic’s salary?

On average, diesel mechanics earn $27.19 per hour in the United States.

Are diesels going to be phased out?

With the transportation industry booming, the demand for diesel mechanics is expected to grow 8% between 2020 and 2030.

What subjects are needed to become a diesel mechanic?

Diesel mechanics need to understand how to assemble, disassemble, and repair a diesel engine completely. They also require additional skills in servicing and maintaining diesel vehicles and machinery.

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Where the best truck drivers go to find jobs nationwide!

Where the best truck drivers go to find jobs nationwide!