Students planning repair on large diesel engine in diesel lab

Diesel Technology: Agriculture/Construction

Associate Degree Program | 65 Credits

Diesel Technicians diagnose, repair and maintain diesel engines, with many of those machines used for agriculture and construction operations. The efficiency and durability of diesel engines makes them ideal for powering large machinery and it’s your work as a professional Diesel Technician to increase reliability, aid efficiency and reduce down-time.

Your work will include assessing work scope, following installation/maintenance checklists and installing parts. In just two years at STC, you will be ready to launch your career! 

Your other duties as a top diesel technician might include: 

  • Consulting technical manuals for procedures 
  • Using computerized diagnostic equipment 
  • Testing parts and systems 
  • Performing regular maintenance 
  • Discussing repair procedures with customers

You will be in demand as an STC graduate. The field for Diesel Technicians is expected to grow 3% through 2029, with the best job prospects available to those who have a postsecondary degree, according to the Bureau of Labor. Take advantage of the job growth now! 

Job Placement Rate


Southeast Tech's Diesel Technology: Ag/Construction program boasts a 100% job placement rate among its 2020 graduates.

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Build Dakota Eligible

Earn a full-ride scholarship to Southeast Tech's Diesel Technology program through Build Dakota!


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What Will You Learn?  

This Diesel Technology program focuses on the heavy equipment segment of diesel technology. Modern equipment uses GPS and computer controls to map fields and job sites. Skilled technicians are required to diagnose, repair and maintain this advanced machinery. Your coursework will cover brakes, steering, power trains, electrical systems, suspension, air conditioning and hydraulics. Your classes also help you:

Know your Tools: Diesel Technicians use pneumatic tools, lathes, welding equipment and grinding machines. You also will become adept at using hand tools, including wrenches, pliers, hammers, screwdrivers and files. 

Problem Solve: Your critical-thinking skills will be valuable. As a diesel technician, you will need to be methodical in your work: identify the problem, evaluate options, estimate results, identify best response, prioritize work, and implement solution. 

Be a Valuable Team Member: As a talented diesel technician from Southeast Tech, you will know how to interact with customers and co-workers, as well as demonstrate a strong work ethic and professional behavior.

Work Opportunities

In Sioux Falls, South Dakota, and across the nation, you will be in demand as a service technician or mechanic. Your field is also a great place to start as an entrepreneur! 

Explore Classes  

Southeast Tech’s curriculum for Diesel Technology includes classes in Hydraulic Theory, Diesel Theory, Auxiliary Drive Theory, Electro-Hydraulics, Powertrain Theory and Total Machine Control.



Costs are calculated based on a charge of $255 per credit hour, plus applicable fees.

Total Costs

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Other Programs Related to Diesel Technology

If you’re interested in a career in transportation technology, you might also be interested in these other programs at Southeast Tech: 

Collision Repair & Refinish Technology   Automotive Technology   Entrepreneurship