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Compounded Gear Oil


Phillips 66® Compounded Gear Oil is a high-quality, compounded lubricant developed for the lubrication of industrial and automotive worm gear drives operating at moderate to high temperatures, and for the lubrication of steam engine cylinders and valves.

Features & Benefits

  • Excellent lubricity for protection of sliding surfaces against scuffing
    High film strength
  • Emulsifies with water to resist washing
  • Good oxidation resistance and thermal stability
  • Protects against rust and corrosion
  • Non-corrosive to bronze or brass


  • Industrial worm gear drives made with non-ferrous alloys (bronze-on-steel)
  • Differentials on antique automobiles that require a high-viscosity, compounded gear oil
  • Steam engine cylinders and valves
  • Bearings on steam-heated calender or mixer rolls
  • Screw-down bolts and nuts on aluminum and steel rolling mills
  • Heavily loaded, low-speed bearings subject to moisture contamination
  • Cylinders of gas compressors handling wet natural gas
  • Applications where an SAE 140, SAE 190 or SAE 250, API GL-2 gear oil is specified