| Aspect | Level 2 Diesel Tech | Level 1 Diesel Tech |
|---|
| Certifications | ASE Diesel Certifications, EPA Emissions Certification | Basic ASE Certification, Entry-level certifications |
| Work Environment | Performs advanced diagnostics, repairs on heavy-duty trucks and equipment | Performs basic maintenance and repairs on diesel engines |
| Job Responsibilities | Diagnoses complex issues, uses advanced tools, mentors Level 1 Techs | Performs routine inspections, oil changes, basic repairs |
Level 2 Diesel Techs have more advanced certifications and handle complex diagnostics and repairs, often mentoring Level 1 Techs. Level 1 Diesel Techs focus on basic maintenance tasks. The roles differ mainly in skill level, responsibilities, and certification requirements.