Classic EP90 is a mineral based gear oil containing anti-oxidant, anti-wear and extreme pressure additives to protect against problems due to oil oxidation, gear wear and corrosion.
 
Recommended for conventional spiral bevel final drives and mild hypoid axles, spur and helical gears, and other applications where API GL-4 is specified.
 
For hypoid and non hypoid applications
Use where ‘Castrol Hypoy’ specified