Diesel Technology, A.A.S.

Academic Programs

Career Path

Industrial Technology

Start Term

Program Options

Degree, Certificate or Diploma


Council Bluffs Campus

Program Information

Are you ready to become a highly skilled diesel truck technician? Our Diesel Technology program offers a comprehensive path to mastering the complexities of diesel engines and systems. Designed for those passionate about heavy-duty machinery, this program prepares you to excel in the competitive field of diesel truck maintenance.

Students gain practical experience from day one with our state-of-the-art diesel labs and workshops. Also, students master engines, transmissions, drive axles, electrical systems, and auxiliary systems crucial to diesel truck maintenance. Last, students learn through a blend of theory classes and immersive practical experiences that reflect industry standards.

Students who complete this AAS degree will have earned a Diesel Mechanics diploma by completion.

Job Outlook

1,273 Jobs (2020

-0.2% Change from 2020-2025

Data is from the Omaha Metropolitans Area, and the seven counties in Southwest Iowa that Iowa Western serves

What will you do

Graduates of the Diesel Technology, A.A.S. program typically qualify for a range of specialized roles in the diesel truck maintenance and heavy equipment sectors. Diverse career pathways are available to graduates of the Diesel Technology, A.A.S. program, reflecting both the technical depth and practical skills acquired through the curriculum. Graduates are well-prepared to enter the workforce as skilled professionals in the diesel truck maintenance industry.


  • Entry: $18.48
  • Average: $24.67
  • Experienced: $27.76

Career Examples

  •  Diesel Mechanics
  •  Diesel Technicians
  •  Maintenance Mechanics
  •  Fleet Maintenance Technicians
  •  Truck Technicians
  •  Body Shop Estimators
  •  Equipment Technicians
  • Shop Mechanics
  • Field Service Technicians
  • Specialized Technicians
  • Maintenance Supervisors
  • Parts and Service Managers
  • Technical Trainer or Instructors

First Semester

DSL 324 - Introduction to Diesel 4.0 Credit(s)
DSL 144 - Electrical Systems 4.0 Credit(s)
DSL 846 - Diesel Lab I 6.0 Credit(s)
MAT 772 - Applied Math 1 3.0 Credit(s)

Semester Total: 17.0 Credits

Second Semester

DSL 654 - Hydraulic/Air Brakes 4.0 Credit(s)
DSL 674 - Chassis/Driveline 4.0 Credit(s)
DSL 856 - Diesel Lab II 6.0 Credit(s)
ENG 110 - Writing For The Workplace 3.0 Credit(s)

Semester Total: 17.0 Credits


DSL 742 - Air Conditioning/Refrigeration 2.0 Credit(s)
DSL 863 - Diesel Lab III 3.0 Credit(s)
DSL 829 - Preventative Maintenance 2.0 Credit(s)

Semester Total: 7 Credits

Third Semester

DSL 354 - Engines I 4.0 Credit(s)
DSL 444 - Fuel Systems 4.0 Credit(s)


DSL 876 - Diesel Lab IV 2 6.0 Credit(s)


DSL 883 - Diesel Internship II 2 6.0 Credit(s)


MGT 195 - Workplace Empowerment 3.0 Credit(s)

Semester Total: 17.0 Credits

Fourth Semester

DSL 364 - Engines II 4.0 Credit(s)
DSL 544 - Transmissions/Drive Axle 4.0 Credit(s)


DSL 886 - Diesel Lab V 2 6.0 Credit(s)


DSL 883 - Diesel Internship II 2 6.0 Credit(s)


SOC 240 - Criminology 3.0 Credit(s)
SPC 122 - Interpersonal Communication 3.0 Credit(s)

Semester Total: 20.0 Credits


DSL 893 - Diesel Lab VI 2 3.0 Credit(s)


DSL 881 - Diesel Internship I 2 3.0 Credit(s)

Semester Total: 3.0 Credits

Total Semester Hours Required: 81


1May substitute MAT 102 or higher.
2Students must complete 30 credit hours of laboratory courses OR complete a minimum of 21 credit hours of laboratory courses and a maximum of 9 credit hours of internship, with any combination of laboratory and internship credit hours within that range being acceptable.


Additional Information

Contact Us

Program Outcomes

Upon the successful completion of the program students will:

  • Use electrical and electronic terminology.
  • Explain engine components and systems using proper terminology.
  • Identify hydraulic and pneumatic system components.
  • Describe the interconnection of the engine subsystems.
  • Identify diesel engines according to manufacturer and model designation.
  • Describe the function of the fuel system components.
  • Interpret symptoms of a system malfunction using critical thinking skills to recommend a repair procedure.
  • Read and interpret written repair orders.

Program Disclaimers

  • Salary information from EMSI Analyst Database