Leaders in Gearbox Overhauls

Precision Machining & Fitting

Precision Machining & FittingThe Precision Machining and Fitting Division operates one of the most comprehensive facilities of its type in Western Australia, working under management systems accredited to the ISO 9001:2000 standard.

The facility is staffed by specialists highly skilled in the repair and rebuilding of gearboxes, underground mining equipment and mobile equipment and offshore equipment.


The facility includes over 60 machines, including:

  • CNC lathes and machining centres
  • Gearcutting, grinding and measuring equipment
  • Vertical and horizontal borer
  • Lathes to 2.4 m diameter
  • Milling machines to 6.0 m diameter


  • General Machining
    Up to 10 tonnes individual component weight
  • CNC Machining
    Flexible cellular manufacture; one-off to medium batch runs
  • Gearcutting
    Design and manufacture of gears, splines, wormwheels
  • Industrial Gearboxes
    Repairs, rebuilds and dynamometer load testing to 250 Kw
  • Whitemetal Bearings
    Re-metalling of mill and crusher bearings
  • Underground Mobile Equipment
    Service, repair and complete rebuilds across the full range of underground mobile equipment to OEM or client specifications. We work with most brands, including, Caterpillar Elphinstone, Tamrock , Atlas Copco, Normet, Getman and others
  • Hydraulic Cylinder Repair
  • Kilns and Mills
    On-site servicing of rotating equipment and bearing inspections
  • Oil and Gas
    Rebuilds of valves, swivels and drilling components to API standards
  • BHB Mobile Cranes
    Spare parts, servicing and repairs of all brands of cranes
  • BHB Equipment
    Spare parts, servicing and repair of dirt devils, aerial platforms, borers, etc
  • Cleanroom for servicing precision and hydraulic components
  • Hydraulic test bench and hydraulic ram stripping and assembly benches
  • Separate welding shop for weld repairs and mechanical fabrications