Castrol 14D81C (AF930), also known as Castrol Opti Synthetic X ISO 320, is a premium synthetic gear oil engineered for superior protection of industrial gear systems. It ensures enhanced durability and smooth operation, even under heavy loads and in applications requiring high micro-pitting resistance.
Key Specifications and Features:
– Formulation: Based on synthetic hydrocarbons and a special additive package, incorporating sulfur/phosphorus Extreme Pressure (EP) additives for minimizing plastic deformation and enhancing wear protection.
– Industry Compliance: Meets CLP-HC gear oil classification (DIN 51502) and surpasses the minimum requirements of DIN 51517, Part 3, for CLP gear oils, providing excellent micro-pitting resistance.
– Viscosity Rating: ISO 320, with a kinematic viscosity of 320 mm²/s at 40°C and a high Viscosity Index of 150 for stable performance across temperature fluctuations.
– Operating Temperature: Engineered for reliable performance up to a maximum operating temperature of 100°C.
– Packaging: Supplied in a 208.2-liter drum for industrial bulk requirements.



