Jul 25, 2024  
2024-2025 Catalog 
2024-2025 Catalog

Diesel Technology - Diesel Service (DTDSO)

Location(s): Applied Technology Center

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Award: Associate in Applied Science Degree

With the complexity of trucks and the increasing need for qualified, trained diesel technicians, this degree provides students with the fundamentals needed for employment in the field of diesel service technology.


Note: Students must earn a C grade or better in all DESL classes to earn this 2-year A.A.S. degree.


Graduation Requirements
To earn this degree, a student must complete all required courses.
Total credit hours required: 96.0


Recommended Curriculum Plan


Links to Additional Resources



Students who currently hold a Class A or Class B CDL may ask for a waiver of DESL 1295 and DESL 1300L. 
It is recommended that students either pass MATH 1240  with a C or better prior to taking DESL 1210  or take MATH 1240  concurrently with DESL 1210 .
DESL 2981 requires 320 hours of on-the-job training that can either be taken during one quarter or extended over more than one quarter depending on needs of students and employers.

General Education Course Recommendations for this Program:

  • Communication: COMS 1000
  • Quantitative/Numeracy: MATH 1240 or higher


Associate in Applied Sciences General Education Requirements - 22.5 credits

The following are General Education requirements for an Associate in Applied Sciences degree (AAS). Students may not use the same course to satisfy more than one degree requirement.


1 Course     4.5 credit hrs.

Select 1 Level I course from the list of Communication General Education Courses.  


1 Course     4.5 - 5.0 credits 

Please check your degree program for recommended Math course. Based on the Math course you select, pre-requisites may be required.

Select 1 course from the list of Quantitative/Numeracy Skills General Education Courses 

Critical Thinking/Creativity & Social/Cultural Awareness

1 Course     4.5 credit hrs.

Select 1 course from the list of Humanities   or Social Sciences   courses under the Critical Thinking/Creativity & Social/Cultural Awareness General Education Courses. 

Scientific Inquiry

1 Course     4.5-6.0 credit hrs.   

Select 1 course from either the list of Natural Sciences   or Social Sciences  General Education courses.

*Students choosing a Social Sciences course to satisfy the Scientific Inquiry requirement should take a Humanities course to satisfy the Critical Thinking/Creativity and Social/Cultural Awareness competency.

Professionalism/Life Skills & Information Literacy

1 Course     4.5

Select 1 course from the list of Professionalism/Life Skills and Information Literacy General Education Courses .



Recommended Curriculum Plan

Diesel Technology - Diesel Service (DTDSO)

The following plan is designed to be the most direct path to degree completion and is based on a fall or spring quarter start. Students are expected to meet with their student success navigator or advisor to plan a customized course schedule that meets their specific needs. For more information or assistance with registering, please call 531-622-2400. 

Program Level Student Learning Outcomes

  1. Use industry shop tools and equipment in a safe manner without harm to oneself or others,
  2. Perform medium/heavy duty truck preventative maintenance and DOT inspections,
  3. Identify and explain the basic functions of medium/heavy duty truck components,
  4. Use threading tools, extractors and thread repair tools,
  5. Use manufactures specs to find service information and diagnose common engine failures,
  6. Disassemble, inspect, and assemble electrical components,
  7. Assemble diesel engine parts and components into a live engine,
  8. Explain the function and theory of diesel engine lubrication and cooling system components.

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