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Workshop Mechanic - Transmissions & Final Drives

Posted Date:  27 Aug 2026
Location: 

Guildford, WA, AU

Become a Specialist in Caterpillar Powertrain Rebuilds

Looking for a role where you can develop specialist mechanical skills and work on some of the largest Caterpillar powertrain components in Australia?

At WesTrac's Component Rebuild Centre in South Guildford, you'll join a specialist team rebuilding critical Caterpillar powertrain components that keep the mining and construction industries moving.

We're looking for mechanically minded tradespeople who want to develop their technical expertise in a highly skilled workshop environment.


Location
South Guildford


Roster

• 5 Days On, 2 Days Off (M-F), 10-hour shifts plus lunch break
• 2 weeks day shift: 6:00am to 4:30pm
• 2 weeks night shift: 4:00pm to 2:30am - 25% loading on all hours


Current Opportunities Within the Component Rebuild Centre

As part of your application, you'll be considered for opportunities across three specialised teams within our Transmissions & Final Drives operations, including:

• Final Drives Assembly - Precision assembly and rebuild of final drive components to Caterpillar OEM specifications.
• Transmissions & Powertrain Assembly - Assembly and rebuild of transmissions, torque converters and powertrain components.
• Final Drives, Transmissions & Powertrain Disassembly - Component disassembly and condition assessment to identify wear, faults and repair requirements.


What You'll Do

• Rebuild Caterpillar transmissions, torque converters and final drives
• Complete component disassembly and condition assessments
• Diagnose wear, faults and repair requirements
• Perform precision assembly to Caterpillar OEM specifications
• Measure, inspect and record component condition using specialised tooling and equipment
• Conduct quality inspections and testing throughout the rebuild process
• Maintain accurate service reports and technical documentation
• Work safely within a highly skilled and supportive team environment
• Deliver quality workmanship aligned to WesTrac's SPARC Values of Safety, Pride, Accountability, Respect and Customer


Skills & Experience

• An Australian recognised Mechanical Trade Qualification
• Experience in heavy diesel, automotive, truck, light vehicle, agricultural or mobile plant maintenance
• Pride in producing quality workmanship
• The ability to follow procedures and technical instructions
• A commitment to safety and teamwork
• Strong attention to detail

Highly Regarded, but Not Essential

• Component rebuild, overhaul or major repair experience
• Caterpillar or OEM experience
• Dogging and Forklift tickets


Why Join WesTrac?

Whether you're an experienced heavy diesel mechanic, a light vehicle technician looking for a new challenge, or a recently qualified tradesperson wanting to develop specialist skills, WesTrac offers structured training, ongoing support and the opportunity to build a long-term career working on some of the largest Caterpillar powertrain components in Australia.


Our Benefits inclusive of but not limited to:

  • Financial Benefits – Paid Parental Leave & Secondary Carers Leave, Salary Sacrificing, Novated Leasing, Income Protection Insurance & More than 600 retail discounts such as Coles, Petbarn, Virgin, HOYTS & Crown.
  • Health & Wellness – Discounts with BUPA, Fitness Passport to access multiple gyms across Australia & EAP access to support you and your immediate family.
  • Culture & Career – Personal and Team Recognition (Made for More Awards), Internal Career Progression, Training & Upskilling through our award-winning WesTrac Institute.
  • Employee Referral Program – Opportunity to receive a referral bonus up to $5000 for applicable roles.
  • Additional Perks – Emergency Services Leave, Defence Force Reserves Leave & Employee Share Purchase Plan opportunity. 


Our Company & Commitment 

With over 4,500 employees, WesTrac is one of the world's largest authorised Cat® equipment dealers, offering a wide range of mining and construction equipment and management solutions. 

At WesTrac, we reflect diverse communities, celebrate our people's diversity, and create a culture where employees feel safe to be their authentic selves. We encourage applications from First Nations people, LGBTQIA+ individuals, and those from culturally diverse backgrounds. WORK180 endorsed employer for our commitment to diversity, inclusion, and equality. 


Ready to Build Your Career?

Apply now and become part of a team rebuilding the transmissions and final drives that power some of Australia's largest Caterpillar fleets.


Reference Number: 6155

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 recognises the value of and strongly support the principles of equal employment opportunities in the workplace, and we are committed to achieving a diverse and engaged workforce. We are an equal opportunity employer and encourage applications from female, Aboriginal and Torres Strait Island candidates.

WesTrac is an endorsed employer for women via WORK180 - who have reviewed our policies, processes, and initiatives to certify that we are an organisation that supports diversity, inclusion and equality.

Apply now »