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21 Years
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Expert Mining Equipment Repair & Maintenance Services
Established in 2005, Minesite Mechanical Services (MMS) has grown from a single-operator enterprise to a specialized team of mining mechanics and electricians serving Kalgoorlie and the broader Australian mining industry. Our expertise lies in the refurbishment and repair of underground mobile mining equipment, components, and skilled technical labour hire. We operate a fleet of purpose-equipped Toyota Land Cruisers, ensuring site compliance and rapid response to client needs. Our teams background with a major OEM provides deep technical knowledge of underground drilling equipment, enabling precision servicing and condition monitoring of mobile fleets. With a workshop in West Kalgoorlie, we offer express turnaround services for repairs, rebuilds, and maintenance, supported by internal quality checks to guarantee operational readiness.

Our labour hire services provide highly skilled technicians, including heavy fitters and electricians, to meet site coverage demands. Located in the heart of Western Australias goldfields, we prioritise on-time delivery and minimal operational disruption for clients. Our bare chassis rebuild programs transform worn machinery into as new equivalents at a fraction of replacement costs, using adaptable processes to suit client budgets. We advocate proactive maintenance strategies, including performance tracking and scheduled servicing, to maximise equipment safety and efficiency. Backed by experienced leadership, we ensure every project meets rigorous industry standards while maintaining transparent communication with clients.
Services
Machinery Rebuilds Component Overhaul Heavy Machinery Repair Skilled Labour Hire Roof Bolting Systems
Details
  • Year established: 2005
Highlights and features
  • We have over 18 years of experience in underground mining equipment refurbishment.
  • Our fleet of site-compliant service vehicles ensures rapid response times.
  • Skilled technicians with OEM-level expertise in drilling equipment.
  • Bare chassis rebuilds deliver as new performance at lower costs.
  • Proven track record in minimising downtime for mining operations.
Services
Machinery Rebuilds
Specialised underground mining machinery rebuilds, including bare chassis restoration. Processes include sandblasting, NDT testing, and full refurbishment to deliver as new performance at reduced costs. Tailored to client budgets and operational requirements.
Component Overhaul
Comprehensive overhaul of mining components such as hydraulic cylinders and drive-trains. Services include diagnostics, repair, and performance testing to extend equipment lifespan and maintain operational efficiency for Kalgoorlie and national clients.
Heavy Machinery Repair
On-site and workshop-based repairs for underground drills, loaders, and haul trucks. Our qualified technicians address minor to major faults, ensuring compliance and reliability for continuous mining operations across Western Australia.
Skilled Labour Hire
Provision of certified mining mechanics, electricians, and fitters for temporary or ongoing projects. Our team supports maintenance, repair, and commissioning tasks, offering flexibility to meet client workforce demands in the goldfields region.
Roof Bolting Systems
Specialist installation and maintenance of roof bolting systems for underground mining safety. Services ensure structural integrity and compliance with industry standards, reducing risks in subterranean operations across Australia.
People
Paul Nappy
Director
With over 18 years in mining equipment repair, Paul leads MMSs technical and operational teams. His expertise in underground drilling systems ensures client projects meet rigorous quality and safety standards.
Questions
What services does MMS offer for mining equipment?
We specialise in machinery rebuilds, component overhauls, heavy machinery repairs, skilled labour hire, and roof bolting systems for underground mining operations.
Do you provide services outside Kalgoorlie?
Yes, while based in Kalgoorlie, we serve clients across Western Australia and nationally through our mobile service fleet and technicians.
How quickly can MMS complete equipment repairs?
Our express turnaround service aims for rapid completion, with timelines dependent on scope and parts availability. Contact us for project-specific estimates.
Are your technicians certified for mining operations?
All our labour hire technicians hold relevant certifications and experience in underground mining environments, ensuring compliance and safety standards.
Can MMS handle large-scale machinery refurbishments?
Yes, our bare chassis rebuild programs restore equipment to ‘as new’ condition, with custom processes to suit budget and operational requirements.