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ANZSCO 321212

Diesel Motor Mechanic

MLTSSLCSOLSkill level 3Assessed by TRAIndustry labour agreementNot listed in the 4 June 2026 SkillSelect round (subclass 189)Shortage

General information, not immigration advice. Data as at 2026-10-22.

About this occupation

ANZSCO 2022

Maintains, tests and repairs diesel motors and the mechanical parts of trucks, buses and other heavy vehicles such as transmissions, suspension, steering and brakes. Registration or licensing may be required.

Skill level 3

Specialisations

  • Automotive Heavy Mechanic

Unit group 3212

Motor Mechanics

Motor Mechanics repair, maintain and test motor vehicle and other internal combustion engines and related mechanical components. Motor Vehicle Parts and Accessories Fitters are excluded from this unit group.

Indicative skill level

Most occupations in this unit group have a level of skill commensurate with the qualifications and experience outlined below.

In Australia

  • AQF Certificate III including at least two years of on-the-job training, or AQF Certificate IV (ANZSCO Skill Level 3)

In New Zealand

  • NZQF Level 4 qualification (ANZSCO Skill Level 3)

At least three years of relevant experience may substitute for the formal qualifications listed above. In some instances relevant experience and/or on-the-job training may be required in addition to the formal qualification.

Registration or licensing may be required.

Tasks include

  • Detecting and diagnosing mechanical and electrical faults in engines and parts
  • Dismantling and removing engine assemblies, transmissions, steering mechanisms and other components, and checking parts
  • Repairing and replacing worn and defective parts and reassembling mechanical components, and referring to service manuals as needed
  • Performing scheduled maintenance services, such as oil changes, lubrications and engine tune-ups, to achieve smoother running of vehicles and ensure compliance with pollution regulations
  • Reassembling engines and parts after being repaired
  • Testing and adjusting mechanical parts after being repaired for proper performance
Show all 9 tasks
  • Diagnosing and testing parts with the assistance of computers
  • May inspect vehicles and issue roadworthiness certificates or detail work required to achieve roadworthiness
  • May respond to vehicle breakdown service calls

Occupations in this unit group

Source: Australian Bureau of Statistics, ANZSCO 2022. CC BY 4.0.

ANZSCO 2022 (the edition the CSOL uses for the 482 and 186 visas)

Title in this edition: Diesel Motor Mechanic, skill level 3

Major group
3 Technicians and Trades Workers
Sub-major group
32 Automotive and Engineering Trades Workers
Minor group
321 Automotive Electricians and Mechanics
Unit group
3212 Motor Mechanics

The title and groups are the same in ANZSCO 2013 v1.2 and ANZSCO 2022.

Occupation Shortage List (2026)

National rating
Shortage
Confidence
Clear
Rated on
ANZSCO 2022

Source: Jobs and Skills Australia, 2026 Occupation Shortage List - 6 digit ANZSCO and OSCA, released 21 October 2026. CC BY 4.0.

Source: Australian Bureau of Statistics, ANZSCO (CC BY 4.0). Source: Department of Home Affairs, Skilled occupation list (CC BY 4.0). Source: Australian Government Department of Home Affairs, Industry labour agreements, CC BY 3.0 AU. Source: Australian Government Department of Home Affairs, SkillSelect invitation rounds, CC BY 3.0 AU. Source: Jobs and Skills Australia, 2026 Occupation Shortage List. © Commonwealth of Australia, CC BY 4.0. Source: Australian Bureau of Statistics, Employee Earnings and Hours, Australia, May 2025. © Commonwealth of Australia, CC BY 4.0. Search another occupation