Castrol Manual EP 80W-90 is a mineral based fluid. Suitable for use in applications where API GL-4 performance is required. Approved for use in ZF manual transmissions.

In other words it means that Castrol Manual EP 80W-90 is a multigrade gearbox oil for manual gearboxes and differentials where the manufacturer of the gearboxes requests the use of oils with high pressure properties. (EP= Extreme pressure)

Advantages:

High thermal stability protects against deposit formation and oil thickening maintaining the life and performance of lubricant and transmission.

Good antiwear and load carrying characteristics extend the life of components.

Product description: Product Data Sheet (PDS),
Safety Datasheet: Safety Data sheet (SDS)