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Diesel Service Technician

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Students in this program will learn skills needed to be able to cover the diagnosis and repair of the modern diesel truck. They will cover safety, tools, and equipment operation for the repair industry; learn about electrical theory, electrical system repairs, brake systems, engine repair, climate control system, steering/suspension systems, and the drive train. Students will cover Engine Performance and Drivability diagnosis using diagnostic tools to determine necessary action. Students will learn how to test and replace the components of all of these systems. In addition, students will learn about preventative maintenance inspection and service procedures, regulations, and documentation. This program is accredited by the National Automotive Technicians Education Foundation (NATEF) in all 8 areas: Brakes, Steering & suspension, Drivetrain, HVAC, Electrical/electronics, Preventive maintenance, Diesel engines, and Hydraulics.
Visit the diesel program at


Morning session – 8:10 – 11:10 a.m.
Afternoon session – 12:45 – 3:45 p.m.

Career Major Name:  Medium/Heavy Diesel Service Technician
Clock Hours/Weeks of Instruction:  1045/40
Normal Completion Time:  40 weeks for full-time status

Required Courses:

  • Introduction and Orientation to Diesel Technology
  • Diesel Engines
  • Medium/Heavy Diesel Preventive Maintenance Service
  • Medium/Heavy Diesel Electrical/Electronics
  • Medium/Heavy Diesel Truck Heating and Air Conditioning
  • Medium/Heavy Diesel Truck Hydraulics
  • Medium/Heavy Diesel Truck Drive Train
  • Medium/Heavy Truck Brakes
  • Medium/Heavy Truck Steering and Suspension
  • Workforce Staging

Career Opportunities:

  • Heavy Equipment Technician
  • Diesel Truck/Auto Technician
  • Farm Equipment Technician
  • Diesel Parts Sales

For more information on occupations go to

Application Process:
High school students see your home school counselor
Adults contact Mid-America counselor (405) 449-3391

Average Salary:

OSBCTE (Oklahoma State Board of Career & Technology Education)

Teacher’s Class Website

**CTSO: SkillsUSA

**Career Technical Student Organization (CTSO)