Maintenance Support

Maintenance Support

MRS Services Group offer clients’ full access to a comprehensive range of “whole of life” asset services to assist in increasing the availability and reliability of assets. Our maintenance support is designed to cater for workshop operations and to fully facilitate onsite maintenance/repair servicing. Our workshop operations specialise in heavy engineering, fabrication and machining services. We boast superior in-house volume and lifting capacity, enabling us to service the world’s largest earth moving equipment all within a climate controlled workshop environment

Our maintenance support group controls all aspects of a contract during all the planning phases, including scoping, estimation, variation and time management, resource allocation, and project management. We can provide a maintenance solution for all types of heavy and light machinery associated with the heavy construction and mining industry. A proven track record of working at both customer sites and our purpose built workshops completing full machine rebuilds, to diagnosing faults, and providing the repair service to any brand of equipment. Our maintenance support is equipped with a strong parts capability, with major components for large equipment as well as our specialised safety and electrical components. The in-house produced parts and components are all built based on the needs and requirements of the mining industry, and meets all local standards.

All mobile vehicles and equipment is MDG15 mine site compliant


MRS Services Group Fabrication Support provides a comprehensive range of structural repair and fabrication services to mining equipment, components and machinery.

These services are performed both on and offsite, under multiple disciplines that require specialised facets of structural services.

  • 24/7 on call service
  • Full offsite rebuild facilities – 150tonne crane
  • Onsite and offsite welding and fabrication services
  • Industrial cleaning, blasting and painting
  • Technical and drawing services
  • Shut-down maintenance and services
  • Repair and maintenance services of light to heavy fabrication work

Our purpose built workshop in Muswellbrook enables our workshop employees to maintain and repair the largest of fabrication work fronts all under cover without being exposed to the elements


MRS Services Group Mechanical provides complete machine rebuild, machine repairs, diagnostic monitoring of all heavy to light machinery in the heavy construction and mining industries.

The mechanical support group also has a focus on designing and fabrication innovative safety solutions for the complete range of equipment on a mine site, from MDG15 fit out of light vehicles to Hydraulic Isolation devices.

  • 24/7 on call service
  • Full offsite rebuild facilities – 150tonne crane
  • Onsite mechanical repairs of heavy plant and equipment
  • Component rebuilds
  • Onsite mechanical shutdowns and servicing
  • Diagnostic and Maintenance Strategy Services
  • 3D modelling and AutoCAD services
  • MDG15/41 Compliance

Our purpose built workshop in Muswellbrook enables our workshop employees to maintain and repair the largest of mechanical machinery all under cover without being exposed to the elements


  • Authorised Inspection stations (incl RMS)
  • Automotive repairs and services for light and heavy vehicles
  • Automotive fit-outs for mine spec vehicles
  • Automotive and Heavy Machine Glass
  • Safe-T-Shop Inspection on brakes and suspension
  • Wheel alignments
  • Diagnostic tuning
  • Complimentary pick up and drop off service
  • Tyres


Mobile services (Field, Industrial, Line Boring & Liquid Nitrogen Services) has an extensive fleet of self-sufficient servicing vehicles for onsite asset repairs and maintenance.

  • 24/7 on call service
  • Onsite and offsite lineboring
  • Machining services including mobile milling, press, inverter style welding machines, metal lathes
  • Refurbishment of Equalizer bars, A-Frames, Dog Bones, Track Frames and Axle Boxes
  • Liquid Nitrogen supply ready for delivery
  • Liquid nitrogen metal shrinking, wheel bearings and dragline king pins


  • 24/7 on call service
  • Electrical installations, repairs and maintenance of electrical tools
  • Welding machine repairs
  • Tag and test facilities
  • High voltage and auto electricians

Hydraulic Isolator

The designs have been awarded by the NSW mineral council.


Maintenance Support Expertise

MRS Services Group Maintenance Support personnel have on going training and development, in both traditional maintenance practices as well as innovation and future trends which allow our staff to provide the best possible solution for our customers. We have built a solid reputation of professionalism, high quality workmanship, productivity excellence in safety, to deliver outstanding results in the following areas:


  • Infrastructure Maintenance
  • Whole of life maintenance services
  • Major works and outages

Our facilities have been purpose built for the various activities providing light to medium vehicle repairs and services, specialised technical and innovation facilities, producing our components and parts, as well as heavy workshops with a 150tonne capacity mobile straddle crane, the only one in the Hunter Valley for mine support services.

This capability coupled with MRS Services ISO 9001 Accredited management systems means we are able to deliver quality installation and maintenance solutions tailored to your specific needs.