ASAS Lubricants

SAE 80W-90

80W-90 is a gear-oil viscosity grade, not an engine-oil grade — SAE numbers an axle oil on a separate scale from engine oils, so an 80W-90 gear oil is not comparable to an 80-weight engine oil. It is the common grade for hypoid axles and differentials calling for API GL-5.

Cold-start rating
80
High-temperature rating
90

Typical use

Hypoid axles and differentials specified for 80W-90 API GL-5.

Products in this grade