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  • MEM30205

Certificate III in Engineering - Mechanical Trade

Diesel Fitting
At a glance

At a glance

Take the next step in your diesel fitting career with this practical qualification. Successful completion of this course will qualify you to become a trade-qualified diesel fitter.

  • Diesel Fitter
  • Mechanical Fitter
MEM30205 Certificate III in Engineering - Mechanical Trade (Diesel Fitting pathway)
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Course overview

Course overview

Get started in diesel fitting with this practical course and become a trade qualified diesel fitter. Specialised, technical skills are in high demand in this industry with particular need in maintenance and repair of vehicles, plant and equipment. You may have opportunities to work on heavy earthmoving or farming machinery, marine and other engines and stationary plant equipment.

In this course you will learn to maintain, repair and overhaul mechanical equipment including diesel fuel injection, emission control and engine-forced induction systems, electrical circuits and hydraulics. You'll develop skills to diagnose and repair a range of mechanical systems such as electrical and electronic circuit systems, mobile plant braking systems, fluid power and steering systems, drive assembles and transmissions. Our teachers are heavily connected with industry so you know you'll be learning current practice and getting relevant skills.

Successful completion of this course will allow you to become a trade qualified diesel fitter and progress your career further.


The successful achievement of this qualification requires you to complete all core units listed below, plus a combination of elective units with a total value of 73 points. Please note, elective units have various points values. Elective units will be selected in consultation with your employer and included on your training plan.

Perform engineering measurements
Perform computations
Apply principles of occupational health and safety in the work environment
Plan to undertake a routine task
Plan a complete activity
Apply quality systems
Apply quality procedures
Organise and communicate information
Work with others in a manufacturing, engineering or related environment
Interact with computing technology
Assist in the provision of on the job training
Participate in environmentally sustainable work practices
Carry out mechanical cutting
Perform manual heating and thermal cutting
Perform routine manual metal arc welding
Interpret technical drawing
Undertake manual handling
Perform electrical/electronic measurement
Perform precision mechanical measurement
Mark off/out (general engineering)
Perform emergency first aid
Use hand tools
Use power tools/hand held operations
Use tools for precision work
Perform fault diagnosis, installation and removal of bearings
Repair and fit engineering components
Shut down and isolate machines/equipment
Perform installation and removal of mechanical seals
Maintain hydraulic system components
Maintain engine cooling systems
Test compression ignition fuel systems
Maintain engine lubrication systems
Tune diesel engines
Diagnose and rectify low voltage electrical systems
Maintain induction/exhaust systems
Perform engine bottom-end overhaul
Perform engine top-end overhaul
Diagnose and rectify braking systems
Maintain steering systems
Diagnose and rectify automatic transmissions
Diagnose and rectify drive line and final drives
Diagnose and maintain electronic controlling systems on mobile plant
Maintain fluid power systems for mobile plant
Dismantle, replace and assemble engineering components
Diagnose and rectify manual transmissions
Maintain suspension systems

Note: For some courses, not all electives are available at all campuses.

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Ways to study

Ways to study

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University pathways

If you want to go on to further study at university, TAFE Queensland has a pathway option to get you there. In many cases, completing one of our diplomas may give you a full year of credit towards a degree with one of our partner universities.

Learn more about university pathways
  • James Cook University
  • Southern Cross University
  • University of Canberra
  • Griffith University
  • Queensland University of Technology
  • Federation University
  • University of Southern Queensland
Payment options

Payment options

No matter what your circumstances, TAFE Queensland has a payment option to suit you. If you are unsure of what's right for you, get in touch. We're here to help.

Money IconUpfront payment

This may be the full fee for the course, or the student contribution amount if you are eligible for a subsidy or concession.

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Money IconPayment plan

If you have difficulty paying for the full cost of a course upfront, you may be eligible for a payment plan.

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Important Information
Important Information

Important Information

Entry requirements

There are no formal entry requirements for this course.

Selection criteria

To study an apprenticeship or traineeship program you must be indentured as an apprentice or trainee with your employer.

Employers need to be able to provide the necessary human and physical resources to qualify for an apprentice.

Resources required

You are responsible for meeting the minimum occupational health and safety requirements in practical classes. This includes the use of safety glasses, protective footwear with covered uppers, steel capped toes and non-slip soles to AS2210, leather gloves to AS2161, and hair protection. You should also wear 100% cotton drill industry-standard clothing.

If you fail to meet these minimum standards of dress, you will not be permitted entry into practical classes.

Need to know

Replacement Qualification
This qualification has been replaced by MEM31419 - Certificate III in Engineering - Fixed and Mobile Plant Mechanic, as of 25 June 2019. A transition period applies to enable current students to complete their study. The transition period finishes on 31 December 2022. If required, enrolments will be transitioned into the replacement qualification.

Assessment Methods

Skill and knowledge assessments are an essential step in progressing through your course. You may be assessed in a number of ways while you are studying at TAFE Queensland, including observation, written assessment, questioning, portfolios, work samples, third-party feedback, and through recognition of prior learning. Read more about assessment methods.


All information was accurate at time of publication, however TAFE policies, tuition fees and course content is subject to change without notice. Course commencement is dependent on sufficient enrolment numbers. Timetable information is subject to change prior to commencement and/or during the duration of your course.

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How to apply

How to apply

Recognition of Prior Learning (RPL) and credit transfers

Fast track your way to a formal qualification by earning credit for the things you already know. Getting recognition for the skills you've gained from the workplace or previous learning means less study time for you, and getting the paper to prove you're qualified a whole lot sooner. We can assess your skills, directly apply credits from previous successful study, and give you advanced standing in your course.

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Get started with TAFE Queensland

If you have read and understood the student rules, refund policy, understand your fees and payment options, have a Unique Student Identifier (USI) and checked you meet the entry requirements and selection criteria for this course, you're ready to get started.

University pathways

If you want to go on to further study at university, TAFE Queensland has a pathway option to get you there. In many cases, completing one of our diplomas may give you a full year of credit towards a degree with one of our partner universities.

Learn more about university pathways
  • James Cook University
  • University of Queensland
  • University of Canberra
  • Federation University
  • Griffith University
  • Queensland University of Technology
  • University of Southern Queensland