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Keeping customers on coal with timely overhaul, maintenance and repairs

Customers trust our team with their valuable assets. Whether it be from our dedicated workshops or via our Field Service team, we provide comprehensive support and innovative care and attention through the entirety of your equipment lifecycles. 

Benefits of our equipment servicing and maintenance

  • We know the specific requirements of Australia’s underground mining and tunnelling sectors

  • Experience of Australia’s biggest underground equipment fleet

  • Access to industry specialists who know how to maintain the highest levels of reliability and productivity in your critical equipment assets

  • Complete, practical and flexible solutions for all OEM equipment

  • Completed documentation suite provided

  • Training packages available

Repair and overhaul

We know the demands placed on underground mining and tunnelling equipment.

Supporting Australia’s largest fleet of underground equipment, including a growing range of proprietary product innovations, makes us the perfect partner to deliver expert and inventive repair, maintenance and overhaul services.

Our technical capabilities extend to a wide range of OEM brands, makes and models.

Workshop locations:


  • ISO:9001 Quality Management System Accreditation
  • NATA ISO/IEC 17020 Accredited for:
    • AS3584 Diesel Overhauls across three ExDES (RSF) Licenced workshops in NSW and one ExDES (RSF) Licenced workshop Queensland
    • AS3800 Electrical Overhauls in the ANZEx Service Facility in NSW





Diesel (AS3584) services

Our Maintenance services divisions in UGM, Jaxam and Bis provide safe and expert mining equipment solutions to the resources sector, maximising the reliability and productivity of any mining fleet.

  • Licensed overhaul facilities in Cardiff, NSW and Mackay, QLD
  • Plant condition audits and repairs
  • Component overhauls and replacement
  • Scheduled statutory and routine servicing
  • Pin and bush joint repairs
  • Attachment repairs
  • Fabrication and structural repairs
  • Apprentice training and exchange
  • Extensive range of service exchange components
  • Support plant repairs
  • Lifecycle management
Visit UGM website

Electrical (AS3800) services

Our UGM Maintenance division provides trusted electrical maintenance, repairs and installations to mining and tunnelling sectors.

  • AS3800 overhaul licensed facilities based in Morisset, NSW
  • Repair certification and overhaul of flameproof equipment
Visit UGM website

Man-transporter services

Part of Bis Underground Services, customers repeatedly choose JAXAM to deliver their specialist diesel repair, overhaul and parts for all underground man-transporters.

  • Diesel repairs, overhaul and maintenance
  • Axle and components repairs including the manufacture of special purpose requirements
  • Spare parts and products
Read more about Jaxam

Field service

Our qualified Field Service team is one of the industry’s largest and is always available 24/7 offering:

  • Onsite service and repair of diesel and electrical powered plant
  • General “run of project” mechanical and electrical maintenance and repair
  • Outsourced site workshop manning and management on behalf of clients
  • Fixed term site based mechanical support contracts
  • Flexible roster arrangements

With the backing and expertise of Bis underground hire and maintenance services, the team’s support and knowledge of underground mining and tunnelling is indispensable.

Start a conversation with one of our underground representatives