Duolec® Vari-Purpose Gear Lubricant

High-Performance Oil Delivers Superior Lubrication in High-Temperature, High-Load Applications

Duolec Industrial Gear Oil is a high-performance industrial gear oil with ISO grades ranging from ISO VG 46 to 1500. Designed for use in any industrial gear or bearing application that requires a thermally stable, extreme pressure/antiscuff lubricant, it maintains performance even after filtration.

Duolec Industrial Gear Oil contains Duolec, LE’s dual acting additive that provides both wear-reducing and EP protection, and is fortified with a shear stable tackifier to provide adhesion to metal during use.

Benefical Qualitites

Maintains Performance in Extreme Conditions

  • Possesses high film strength
  • Remains stable despite high temps
  • Resists oxidation and sludge formation
  • Provides wear-reducing and EP/antiscuff protection

Adheres to Metal

  • Contains shear-stable tackifier that allows oil to adhere to metal components
  • Remains tacky during high shear use

Resists Moisture

  • Separates readily from water, continuing to provide effective lubrication
    • Ordinary gear oils will emulsify and foam, causing increased friction and poor lubrication


  • Contains no solids that can be removed during filtration
  • Remains within viscosity grade after filtration

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Product Codes: LE1601, LE1602, LE1603, LE1604, LE1605, LE1606, LE1607, LE1608, LE1609, LE16010

Typical Applications

  • Enclosed gearboxes
  • Bowl mills / pulverizers
  • Homogenizers
  • Planetary gears
  • Oil lubricated bearings

Proprietary Additive

LE’s proprietary additives are used exclusively in LE lubricants. Duolec® Vari-Purpose Gear Lubricant contains Duolec.

Duolec® dual-acting additive imparts synergistic properties to lubricants, providing both wear-reducing and extreme pressure protection. The result of revolutionary technology designed specifically for use in LE gear lubricants, Duolec increases oil film strength and is temperature activated to provide a protective layer that smooths metal surfaces and minimizes the effects of any contact, thereby reducing friction and preventing surface wear.