Skip to main content

Diesel Service Technician

Super Tech Cover Photo


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 Truck Technician
Clock Hours/Weeks of Instruction:  1045/40
Normal Completion Time:  40 weeks for full-time status

College Credit:
Prior Learning Assessment
Transfer Hours

Required Courses:

  • Introduction and Orientation to Diesel Technology
  • Diesel Engine Systems
  • Preventive Maintenance
  • Diesel Electrical/Electronics
  • Medium/Heavy Diesel Truck Heating and Air Conditioning Introduction
  • 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)


ACT WorkKeys National Career Readiness Certificate

  • Bronze
  • Silver
  • Gold
  • Platinum

ODCTE Competency Certification

  • Diesel Engine Repair Technician
  • Preventative Maintenance Inspection Technician
  • Electrical/Electronic Systems Repair
  • Brakes Technician
  • HVAC Repair Technician

Teacher’s Class Website

**CTSO: SkillsUSA

**Career Technical Student Organization (CTSO)