By Sukhjinder Singh December 16, 2025 0 Comments

Diesel Motor Mechanic – ANZSCO 321212

Diesel Motor Mechanic ANZSCO 321212

Occupation Overview

Diesel Motor Mechanic ANZSCO 321212 services, diagnoses, and repairs diesel engines and associated mechanical systems used in heavy vehicles such as trucks, buses, and industrial machinery. Their work commonly involves engines, transmissions, steering, suspension, and braking systems. Licensing or registration requirements may apply depending on the state or territory.

ANZSCO Code: 321212
Skill Level: 3
Specialisation: Automotive Heavy Mechanic

Corresponding OSCA Occupation

  • Diesel Technician – OSCA 351433
    (Note: Australia has introduced a new occupational framework known as OSCA (Occupational Skills Classification of Australia), which may be adopted in the future. This occupation is currently assessed under ANZSCO for migration purposes.)

Visa Options for Diesel Motor Mechanics – ANZSCO 321212

Diesel Motor Mechanics may be eligible for the following Australian visas, subject to meeting all criteria:

Visa SubclassVisa NameEligible
189Skilled Independent Visa
190Skilled Nominated Visa
491Skilled Work Regional (Provisional) Visa
186Employer Nomination Scheme (Direct Entry)
482Temporary Skill Shortage (TSS) Visa
494Skilled Employer Sponsored Regional Visa
485Temporary Graduate Visa
407Training Visa

Unit Group: 3212 Motor Mechanics

Motor Mechanics maintain, test, and repair internal combustion engines and related mechanical systems. This group excludes Motor Vehicle Parts and Accessories Fitters, which fall under a separate ANZSCO unit group.


Qualification & Experience Requirements

In Australia

  • AQF Certificate III with at least two years of on-the-job training, or
  • AQF Certificate IV

In New Zealand

  • NZ Register Level 4 qualification

Experience Substitution

  • A minimum of three years of relevant work experience may substitute for formal qualifications in some cases
  • Additional on-the-job training may be required

Licensing

  • Registration or licensing may apply depending on the jurisdiction

Key Tasks Performed by Diesel Motor Mechanics

  • Diagnosing faults in diesel engines and mechanical systems
  • Removing and dismantling engines, transmissions, steering, and suspension components
  • Repairing or replacing defective mechanical parts
  • Performing scheduled maintenance, including oil changes and engine tune-ups
  • Reassembling engines and systems after repairs
  • Testing and adjusting components to ensure correct performance
  • Using computer-based diagnostic tools
  • Inspecting vehicles for roadworthiness and identifying required repairs

Skills Assessment Requirements

Most skilled and employer-sponsored visas require a positive skills assessment.

  • Assessing Authority: Trade Recognition Australia (TRA)
  • In some cases, assessments may be conducted through VETASSESS on behalf of TRA

Exemptions are limited and apply only in specific circumstances.


TRA Skills Assessment Pathways

Diesel Motor Mechanics may be assessed through one of the following TRA programs:

The appropriate pathway depends on factors such as location, visa type, and qualifications.

Quick Eligibility Summary – Diesel Motor Mechanic – ANZSCO 321212

RequirementDetails
Skill LevelANZSCO Skill Level 3
OccupationDiesel Motor Mechanic
Assessing AuthorityTrade Recognition Australia (TRA)
Qualification (Australia)AQF Certificate III + minimum 2 years on-the-job training OR AQF Certificate IV
Qualification (New Zealand)NZ Register Level 4 Qualification
Experience SubstitutionAt least 3 years of relevant work experience may substitute for formal qualification
Recent Work RequirementSkills must generally be current to Australian standards
Licensing / RegistrationMay be required depending on state or territory
Eligible Visa TypesSkilled & Employer-Sponsored visas (189, 190, 491, 186, 482, 494, etc.)

Why Seek Professional Migration Advice?

Each visa and skills assessment pathway has strict requirements. Errors in documentation, incorrect pathway selection, or missing evidence can lead to delays or refusals. Professional guidance ensures your application is accurate, compliant, and strategically prepared to get positive outcome.


Contact Migration Dreamz

Need help with skills assessment or visa options for Diesel Motor Mechanics?
Contact Migration Dreamz today for professional guidance on TRA skills assessments and Australian visa pathways tailored to your circumstances and simplify your migration journey.

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