Certificate III in Heavy Commercial Vehicle Mechanical Technology (AUR31120) Heavy vehicle diagnostics relies on understanding air brake systems, diesel engine architecture, and suspension geometry before you start. AUR31120 assumes comfort with metric tools, electrical schematics, and multi-stage troubleshooting procedures. Mechanics entering this program need hands-on familiarity with vehicle lifts, torque specifications, and component identification under real workshop conditions.
| Exam Name | Certificate III in Heavy Commercial Vehicle Mechanical Technology |
| Exam Code | AUR31120 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
