Location: Mt Thorley, NSW, AU, ****
About The Opportunity
Join our Mt Thorley (Hunter Valley) Rebuilds Workshop and be part of a highly skilled mechanical team delivering industry‐leading CAT machine rebuilds to world‐class standards.
This role is suited to Plant / Heavy Diesel Mechanics with rebuild or heavy equipment experience – not light vehicle backgrounds.
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As part of our rebuild team, you'll support the full mechanical rebuild lifecycle from teardown to commissioning, ensuring every machine is delivered safely, reliably, and ready for peak performance.
$60–$89+/hr incl allowances + OT, paid fortnightly
Lifestyle roster, day & night 12.5‐hr shifts, 5 wks leave
Workshop OEM CAT rebuilds, modern facility, reliable team
What You'll Do
Strip, rebuild and reassemble CAT machines and major mechanical components
Conduct inspections, diagnostics and quality checks throughout the rebuild lifecycle
Carry out scheduled maintenance and mechanical adjustments to meet specifications
Maintain a clean, safe and well‐organised workshop
Collaborate closely with Supervisors and team members to deliver quality rebuilds on time
What You'll Bring
Australian recognised Mechanical Trade Qualification (Plant / Heavy Diesel)
Proven rebuilds, component overhaul or heavy equipment experience (essential)




Experience on CAT or similar surface mining equipment
Strong diagnostics and fault finding capability
Proactive, safety-first mindset; unrestricted driver's licence
WHY JOIN WESTRAC?
Hourly Rates FROM $60 P/HR
Overtime FROM $89 P/HR
12 weeks paid parental leave + income protection
Strong job security with long‐term career pathways
Flexitime, RDOs & purchased leave (up to 5 weeks p.a.)
Training & career progression via the WesTrac Institute
Fitness Passport (family included) + wellbeing support
600+ retail, travel & lifestyle discounts + CAT tool discounts
Refer a mate & earn up to $3,000
Free parking, onsite café & workshop perks
Relocation assistance for eligible candidates
Successful applicants will be required to complete a satisfactory National Criminal History Check and a Pre-Employment Medical as part of the Recruitment Process.
At WesTrac, our primary focus is our people.
As we look to the future, we're focused on harnessing the best talent and providing them with the support they need to achieve success.
WesTrac is a member of the Diversity Council of Australia and recognise the value of and strongly support the principles of equal employment opportunities in the workplace and are committed to continue to build our workplace culture.
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📌 Plant Mechanic (Australia)
🏢 WesTrac Cat
📍 Australia