Gearbox Manufacturing

Gearbox Manufacturers in Australia

From size F30A to G400


Australia’s Sole Distributor

At Randolph Manufacturing, we build industrial gearboxes from size F30A to G400, with larger models available to order from our American supplier. Our team is proud to work with a wide range of industries, including:


  • Irrigation
  • Agriculture
  • Pumping
  • Oil mining rigs


Our high-quality products have even been used to power the Murray Princess paddle steamer! Should you require gearbox manufacturing or repairs in Wee Waa, Gunnedah or Moree, contact our team today. We provide onsite servicing, as well as shipments throughout Australia and New Zealand.


Need additional spare parts or components for your gearbox? Call Randolph Manufacturing on 0428 951 125.

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Technical Data

MOLYBOND Angle Gear Drive Motor Oil is used specifically for Randolph angle gear drive units and drive motors. This product effectively lubricates the upper bearings to reduce risk of unit failure. With a high oxidation and thermal stability, the viscosity of MOLYBOND is ideal for maintaining a strong protective film over the gear face. Get in touch for more information.

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Alternate Oils

In areas with ambient temperatures between 0ºC (32ºF) and 30ºC (86ºF), use:

  • BP, GRXP 220
  • Caltex, GR & O
  • Mobil, 630
  • Esso, TERRESSO 85
  • Shell, OMALA 220


In areas with ambient temperatures between 20ºC (68ºF) and 60ºC (140ºF), use:

  • BP, GRXP 220
  • Caltex, GR & O
  • Mobil, 632
  • Esso, TERRESSO 100
  • AMPOL, GEARLUBE SP 220
  • CASTROL, ALPHA SP 220
  • Shell, OMALA 220


Note: We prepared this information in good faith from the best information available at the time of issue. However, users should confirm that the product is acceptable for their intended applications prior to ordering.

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Companies

Randolph Gear
Deran Gear
Proton Engineering
Centa Transmissions
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