Our services
Our mining capabilities
Port City Heavy Diesel Maintenance delivers skilled mechanical support across the mining sector, specialising in heavy mobile equipment maintenance, major component change-outs, machine rebuilds, breakdown response and planned shutdowns.
Our experienced technicians work alongside major OEMs and mining contractors, providing high-quality workmanship across equipment ranging from large-scale wheel loaders, including the Komatsu WA900-8 and WA1200, to excavators, dozers, haul trucks, graders and underground support equipment.
Major machine rebuilds
Major machine rebuilds and life-extension programs.
Planned shutdowns
Planned shutdown maintenance and labour support.
Major component replacements
Engines, transmissions, differentials and hydraulic systems.
Preventative maintenance
Preventative maintenance, servicing and inspections.
Diagnostics and repairs
Breakdown diagnostics, fault finding and repairs.
OEM support
OEM assembly, commissioning and warranty support.
Field service
Field service and ongoing fleet maintenance.
How we support you
From supporting complex OEM-certified rebuild projects to keeping production-critical machinery operational, our focus is on delivering OEM-standard workmanship, dependable labour and efficient turnaround times that minimise downtime and maximise equipment availability.
Get in touch
Discuss your equipment
Tell us the equipment, location and timeframe. We will confirm the next step.





