Classic ST90 is a gear oil formulated with high quality mineral oils. It contains anti-oxidation and anti-wear additives to ensure gear teeth are protected against wear in gearboxes and axles. Suitable for most types of gears including helical, spur, bevel and worm, but not to be used with hypoid gears. The additive system is suitable for sensitive (yellow) metals, such as brass and bronze.
Monograde SAE90 gear oil
For gearboxes and differentials where a non low EP gear oil specified
For straight cut gears
Use where ‘Castrol Swanshot’ is specified
API GL-3
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