MEM31419 - Certificate III in Engineering - Fixed and Mobile Plant Mechanic


Please be aware - as of June 2019 MEM30205 - Certificate III in Engineering (Diesel Fitter) is now superseded in Australia. the new MEM31419 - Certificate III in Engineering - Fixed and Mobile Plant Mechanic is the replacement and current qualification for “diesel Fitters”


We are Australia's Trade Skills Recognition Specialist. Do you have experience working as a Diesel Fitter or Plant Mechanic or Marine Engineer? If so this is the correct qualification for you - If you are looking to gain a pay rise, apply for a new job, or just want your experience recognised then see if your eligible now with our Free Skills Assessment.



This qualification defines the skills and knowledge required of an Engineering Tradesperson - Mechanical specialising in diesel fitting and plant mechanics within metal, engineering, manufacturing and associated industries.

Job roles/employment outcome

The Certificate III in Engineering - Fixed and Mobile Plant Mechanic specifies the competencies required for employment as an Engineering Tradesperson - The skills associated with this qualification are intended to apply to a wide range of trade work including manufacturing, assembly and commissioning of mobile and stationary plant, servicing, diagnosis and rectification of faults, condition monitoring, and preventative maintenance.


Packaging Rules

To be awarded the MEM31419 Certificate III in Engineering – Fixed and Mobile Plant Mechanic units of competency to a value of 96 points must be achieved, chosen as outlined below:

  • all core units of competency listed below (totalling 63 points)

  • units to a value of 33 points from Group A electives


Core units

MEM09002 Interpret technical drawing

MEM11011 Undertake manual handling

MEM12023 Perform engineering measurements

MEM12024 Perform computations

MEM13015 Work safely and effectively in manufacturing and engineering

MEM14006 Plan work activities

MEM16006 Organise and communicate information

MEM16008 Interact with computing technology

MEM17003 Assist in the provision of on-the-job training

MEM18001 Use hand tools

MEM18002 Use power tools/hand held operations

MEM18055 Dismantle, replace and assemble engineering components

MEM27006 Diagnose and rectify batteries, low voltage sensors and circuits

MEM27016 Diagnose and maintain electronic controlling systems on mobile and stationary plant

MEM27017 Maintain, fault find and rectify hydraulic systems for mobile plant

MEM27019 Diagnose, repair and replace diesel engines in stationary and mobile plant

MEM27020 Apply knowledge of large combustion engine operations to service and maintenance tasks

MEM27023 Diagnose and rectify fieldbus circuits in mobile and stationary plant and equipment

MSMENV272 Participate in environmentally sustainable work practices


Group A Elective Units

MEM05001 Perform manual soldering/desoldering – electrical/electronic components

MEM05002 Perform high reliability soldering and desoldering

MEM05007 Perform manual heating and thermal cutting

MEM05012 Perform routine manual metal arc welding

MEM05049 Perform routine gas tungsten arc welding

MEM05050 Perform routine gas metal arc welding

MEM07005 Perform general machining

MEM10002 Terminate and connect electrical wiring

MEM12002 Perform electrical/electronic measurement

MEM13001 Perform emergency first aid

MEM13002 Undertake work health and safety activities in the workplace

MEM18003 Use tools for precision work

MEM18005 Perform fault diagnosis, installation and removal of bearings

MEM18006 Perform precision fitting of engineering components

MEM18008 Balance equipment

MEM18009 Perform precision levelling and alignment of machines and engineering components

MEM18012 Perform installation and removal of mechanical seals

MEM18013 Perform gland packing

MEM18018 Maintain pneumatic system components

MEM18019 Maintain pneumatic systems

MEM18020 Maintain hydraulic system components

MEM18021 Maintain hydraulic systems

MEM18022 Maintain fluid power controls

MEM18049 Disconnect/reconnect fixed wired equipment up to 1000 volts a.c./1500 volts d.c.

MEM18050 Disconnect/reconnect fixed wired equipment over 1000 volts a.c./1500 volts d.c.

MEM27001 Maintain and repair stationary and mobile plant engine cooling systems

MEM27002 Test and repair compression ignition systems

MEM27003 Overhaul engine fuel system components

MEM27004 Maintain and repair engine lubrication systems

MEM27005 Tune diesel engines

MEM27007 Diagnose and rectify low voltage starting systems

MEM27008 Maintain induction, exhaust and emission control systems

MEM27009 Diagnose and rectify braking systems

MEM27010 Diagnose and rectify low voltage charging systems

MEM27011 Maintain track type undercarriage on mobile plant

MEM27012 Maintain mobile plant suspension systems

MEM27013 Maintain steering systems

MEM27014 Diagnose and rectify automatic transmissions

MEM27015 Diagnose and rectify drive line and final drives

MEM27021 Maintain, fault find and repair stationary plant gas turbine engines

MEM27022 Maintain, fault find and repair traction drive mechanics

MEM27026 Service and repair mobile plant air conditioning systems

MEM27028 Diagnose and rectify manual transmissions

MEM27029 Maintain wheels and tyres

MEM27030 Perform engine bottom-end overhaul

MEM27031 Perform engine top-end overhaul

MEM27032 Service combustion engines

CPPFES2027A Inspect, test and maintain non-gaseous pre-engineered fire-suppression systems

CPPFES3042A Install and commission pre-engineered fire-suppression systems

MSMENV472 Implement and monitor environmentally sustainable work practices

TLILIC0003 Licence to operate a forklift truck

TLILIC0002 Licence to operate a vehicle loading crane (capacity 10 metre tonnes and above)

(Please note: We use predetermined subject pathways , please contact Qualified Today for further information)