Our capabilities are in the third-party girth gear engineering support, design, installation, inspection, risk assessment, and maintenance of large girth gear systems.


  • AGMA ratings and drive train design, manufacturing, and installation.
  • Quality assurance documentation, including critical manufacturing procedures and standards for major mechanical parts girth gears, pinions, mill shells, heads and trunnions.
  • Manufacturer audits, and oversight during critical inspections and documentation signoff prior to shipment of goods.


  • Girth gear and pinion installation oversight.
  • Proper installation procedures are followed.
  • All critical steps are documented and available for future reference.
  • Proven methods for aligning girth gear and pinions rapidly with minimal shimming iterations.

Logistic Support

  • Resource support plans, total cost of ownership.
  • Training programs.
  • Optimization of insurance spend, maintenance spend, and sparing costs.
Girth Gear Engineering Support

Operation and Maintenance

  • RCM approach to maintenance, and audits of existing maintenance plans.
  • Preventative maintenance tasks, tied to specific failure modes.
  • Predictive maintenance tasks, to detect potential failures.
  • Girth Gear Inspections per ASTM E-2905.
  • Structural Inspections, Shells, Heads, Trunnions, Rollers, Riding Rings.
  • Operational inspection tasks and intervals.
  • One time or engineering changes can be implemented where the probability of failure and consequences of failure are deemed unacceptable.

End of Life

  • Provide a procedure for inspection and verification on suitability for open gear and pinion flipping.
  • Provide a framework and decision-making process for replacement gears.
  • Assess alternative solutions to scrapping old gearing, dependent on condition and structure.

Services We Offer;

  • Complete inspection and evaluation Gear set replacement
  • Design upgrades for increased production Installation and reversal
  • Alignment services
  • Temperature monitoring
  • Lubrication systems
Girth Gear Engineering Support
Mill Kiln Engineering Support
Mill Kiln Engineering Support