Class 4 Career and Technical Certification Areas


Diesel Mechanics

  • General Shop/Lab Safety & Related Environmental Issues
  • Specific Safety Practice - pertaining to each area and the tools/equipment involved
  • Diesel Theory
  • Two Cycle Diesel Engines
  • Four Cycle Diesel Engines
  • Diesel Diagnostic Equipment and Test Procedures
  • Brake Systems
  • Cooling Systems
  • Air Conditioning
  • Hydraulic Systems
  • Fuel Systems
  • Emission Control Systems
  • Electrical and Electronic Systems
  • Drive train – including transmission, transaxle, and differential components
  • Steering Systems
  • Suspension Systems

If you have at least 10,000 hours (5 years or more) of experience including all or most of the skills listed above please complete the Class 4 application.


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