Our capabilities
Explore our mechanical services, from keeping equipment running to extending its working life. Every job is delivered to OEM standards.

01
Component rebuilds
Major component replacements and rebuilds, including engines, transmissions, differentials and hydraulic systems.
Rebuild and life-extension work is delivered to OEM standards. Discuss the machine, component condition and required work with us so the repair scope is clear before the job starts.
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02
Field service and breakdowns
Breakdown response and on-site repairs, with fully equipped field service vehicles.
Our 14 equipped service vehicles support repairs where the equipment works. Tell us the fault, machine and location so we can confirm availability and the next step.
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03
Shutdown and project labour
Planned shutdown maintenance and labour support.
Add mechanical capacity for planned work, with experienced technicians following your site procedures. We review the scope, timing and personnel requirements with your team.
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04
Labour hire
Skilled labour supplied under our own Queensland labour hire licence.
Scale your team with skilled fitters under our own Queensland labour hire licence. We can work in your company colours and supply service vehicles where the contract calls for them.
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05
Diagnostics and fault finding
Breakdown diagnostics, fault finding and repairs.
Breakdown diagnostics, fault finding and repairs, carried out by technicians who diagnose accurately and repair to OEM standards.
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06
Preventative maintenance and servicing
Scheduled servicing, inspections and ongoing fleet maintenance.
Bring servicing and inspections into the maintenance plan for a single machine or a whole fleet. Scheduled work gives your team a clear opportunity to identify and address equipment issues.
Explore this serviceOur approach
What sets us apart
When the job is too complex, too challenging or outside the standard procedure, that's where Port City Heavy Diesel Maintenance stands apart.
We don't just follow procedures. When the situation demands it, we develop our own. From complex mechanical failures and specialised rebuilds to repairs that require innovative thinking, our team has the technical knowledge, hands-on experience and confidence to find solutions where others may struggle.
Our approach is built on a standard established from day one: every repair, big or small, should meet OEM standards, with the ambition to exceed them.
We pride ourselves on more than just supplying skilled labour. We provide technicians who can think independently, diagnose accurately, develop practical repair strategies and execute work to an exceptional standard.
Problem-solving beyond the manual
Developing job-specific repair procedures and practical solutions for complex, non-routine work.
OEM-level workmanship
Applying manufacturer-quality standards across everything from minor repairs to major component rebuilds.
Independently capable technicians
Hand-selected tradespeople trusted to make informed decisions and deliver results without constant supervision.
Versatility across industries
Supporting everything from small civil equipment to some of the largest mining machines in operation.
Reliability when it matters most
Delivering skilled technical support during critical breakdowns, major rebuilds and demanding operational conditions.
Relationships built on results
Earning the trust of major OEMs and contractors through consistent workmanship, accountability and proven performance.
We aren't simply there to fill a labour requirement. We're there because our customers trust us to get the job done, especially when the solution isn't straightforward.
Capability statements
Our PDF statements bring the services, project experience and credentials together for supplier reviews and tenders.
Get in touch
Discuss your equipment
Tell us the equipment, location and timeframe. We will confirm the next step.

