Illinois, with its robust transportation, agriculture, and construction industries, is an excellent place to train for a career as a diesel mechanic.

The state’s demand for skilled diesel technicians continues to grow, making it a promising field for those interested in hands-on, technical work.

Finding the best diesel mechanic schools in Illinois is essential to gaining the skills, certifications, and experience needed to succeed in this in-demand career.

Whether you’re looking for affordable tuition, hands-on training, or strong job placement opportunities, this guide will help you make an informed decision.

Read on to explore the best diesel mechanic schools in Illinois, program costs, durations, and job prospects.

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8 Best Diesel Mechanic Schools in Illinois

1. Lincoln Tech – Melrose Park, IL

  • Program Offered: Diesel and Truck Technology.
  • Program Duration: 1-2 years.
  • Cost: approximately $.
  • Highlights: Hands-on training with modern equipment, ASE-certified instructors, and strong industry partnerships.
  • Job Placement Rate: High, with graduates working in trucking, logistics, and heavy equipment repair.
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2. Universal Technical Institute (UTI) – Lisle, IL

  • Program Offered: Diesel Technology program
  • Program Duration: 1 year.
  • Cost: Around $35,000−45,000.
  • Highlights: manufacturer-specific training (e.g., Cummins, Freightliner), state-of-the-art facilities, and job placement assistance.
  • Certifications: Prepares students for ASE and EPA 608 certifications.

3. Joliet Junior College – Joliet, IL

  • Program Offered: Diesel Powered Equipment Technology.
  • Program Duration: 2 years (Associate of Applied Science).
  • Cost: Approximately $10,000−12,000 for in-state students.
  • Highlights: Focus on diagnostics, repair, and maintenance of diesel engines and heavy equipment.
  • Internship Opportunities: Available with local employers.

4. Parkland College – Champaign, IL

  • Program Offered: Diesel Power Equipment Technology.
  • Program Duration: 2 years.
  • Cost: Around $8,000−10,000 for in-state students.
  • Highlights: Hands-on training in hydraulics, electrical systems, and engine repair.
  • Job Placement Rate: Strong, with graduates working in agriculture and transportation.

5. Illinois Central College, East Peoria, IL

  • Program Offered: Diesel Power Technology.
  • Program Duration: 2 years.
  • Cost: Approximately $9,00011,000 for in-state students.
  • Highlights: Specializations in heavy-duty trucks, construction equipment, and powertrain systems.
  • Industry Partnerships: Strong connections with local employers.

6. Southwestern Illinois College, Belleville, IL

  • Program Offered: Diesel Equipment Technology.
  • Program Duration: 2 years.
  • Cost: Around $7,000−9,000 for in-state students.
  • Highlights: Focus on commercial vehicles, hydraulics, and diagnostics.
  • Job Readiness: Graduates often secure jobs in regional transportation and heavy equipment firms.

7. Triton College, River Grove, IL

  • Program Offered: Diesel Technology.
  • Program Duration: 1-2 years.
  • Cost: Approximately $10,000.
  • Highlights: Hands-on training with modern diagnostic tools and workshops.
  • Certifications: Prepares students for ASE and manufacturer-specific certifications.

8. Midwest Technical Institute, Springfield, IL

  • Program Offered: Diesel Technician Training.
  • Program Duration: 9 months.
  • Cost: Around $15,000-20,000.
  • Highlights: Accelerated program focusing on engine repair, hydraulics, and electrical systems.
  • Job Placement Assistance: Strong support for graduates entering the workforce.

Diesel Mechanic Jobs in Illinois

  • Average Salary: $465,000 annually, depending on experience and location.
  • Job Outlook: strong demand in transportation, agriculture, and construction sectors.
  • Top Employers: Trucking companies, agricultural equipment dealers, and government agencies.
  • Certifications Required: Many employers require ASE certification.
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Can You Do Diesel Mechanic School Online in Illinois?

Yes, partially. Some schools offer online coursework combined with in-person, hands-on training. Fully online programs are rare due to the hands-on nature of the field.

Example of a school in Illinois with a hybrid diesel mechanic program:
  • Universal Technical Institute

How Hard is Diesel Mechanic School in Illinois?

  • Difficulty Level: Moderate. The program requires mechanical aptitude, problem-solving skills, and physical endurance.
  • Hands-On Training: A significant part of the curriculum involves practical learning, which can be challenging but is crucial for career success.

How Long Do Diesel Mechanic Schools Last in Illinois?

Most programs last 1-2 years, depending on whether you pursue a certificate or an associate degree.

Some schools offer accelerated programs for quicker completion.

Cost of Diesel Mechanic Schools in Illinois

  • Cost Range: 7,000-45,000, depending on the program length, school, and additional fees.
  • Financial Aid: Scholarships, grants, and loans are available at most institutions.

Is Diesel Mechanic School Worth It in Illinois?

Yes, if you want a stable, hands-on career with strong earning potential. Illinois’ demand for diesel mechanics in transportation, agriculture, and construction makes this a valuable trade.

Many schools offer job placement assistance, making employment prospects promising.

FAQs and Important Notes

What certifications can I earn from diesel mechanic schools in Illinois?

Most diesel mechanic schools in Illinois prepare students for industry-recognized certifications such as:

  • ASE (Automotive Service Excellence) Certification
  • EPA 608 Certification for handling refrigerants
  • CDL (Commercial Driver’s License) for test-driving heavy equipment
  • Manufacturer-specific certifications (e.g., Cummins, Caterpillar)

Do diesel mechanic schools in Illinois offer apprenticeship programs?

Yes, many of the above-listed schools partner with local businesses, repair shops, and dealerships to provide apprenticeship opportunities.

  • Parkland College
    Offers a three-year Diesel Technician apprenticeship program that combines academic education with on-the-job experience at Birkey’s. 
  • Lakeside
    Offers an apprenticeship program that includes training in truck fundamentals, electrical, engine diagnostics, programming, and repair. 
  •  Prairie State Tractor
    Offers a Tech Apprentice Program that’s designed for people with no previous diesel mechanics experience.
  • Lake Land College
    Offers a Diesel & Ag Power program that provides hands-on training in diesel machines, transmissions, electrical, and more.
  •  Illinois Central College
    Offers a Diesel Powered Equipment Technology program that includes hands-on experience, paid internships, and training in manufacturer software and computer programs.
  •  Southeastern Illinois College
    Offers a Diesel Technology program that teaches students how to diagnose mechanical malfunctions, operate diagnostic tools, and more.

Is financial aid available for diesel mechanic programs in Illinois?

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Yes, most of these schools offer financial aid options, including scholarships, grants, and loans. Be sure to check with the school’s financial aid office to explore your options.

Do diesel mechanic schools in Illinois assist with job placement after graduation?

Yes, many schools have dedicated career services departments that help graduates find employment.

Services often include resume preparation, job fairs, and partnerships with local employers.

Can I receive specialized training in specific areas of diesel mechanics?

Yes, many schools offer specialized training in areas such as:

  • Heavy equipment repair
  • Diesel engine diagnostics and repair
  • Hydraulics and pneumatics
  • Electrical systems and computer diagnostics
  • Alternative fuel systems (e.g., natural gas, electric hybrids)

By choosing one of the best diesel mechanic schools in Illinois, you’ll be well-prepared to enter a rewarding and in-demand career in the diesel technology field.

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