SJCSJC Diesel Performance

DOT & Safety Inspections

Inspections & Certifications for Diesel Excellence

From emissions testing to DOT compliance, we keep your truck or fleet legal, safe, and on the road.

Technician conducting a DOT safety inspection on a heavy-duty diesel truck

Compliance you can count on

In the world of heavy-duty diesel machinery, safety and compliance are non-negotiable — whether your truck runs local routes around Mesa or hauls loads across the state. We handle the inspections and certifications that keep you legal and your equipment reliable.

Inspection services

  • Emission testing and compliance verification
  • DOT inspections for trucks and trailers
  • Safety inspections covering brakes, lights, and steering
  • Trailer inspections for brakes, suspension, and structural condition

Fail an inspection elsewhere? We can help.

If a DOT or emissions inspection flagged an issue, our diagnostic-first approach identifies exactly what needs to be repaired to pass — and we can typically complete the repair and re-inspection in the same visit for straightforward issues.

Schedule an inspection