Gear Oil. Application: API GL-4/GL-5 Specification : API GL-4/GL-5 Oscar TFX SAE 140 API GL-4/GL-5 is a high-performance, high-pressure gear oil manufactured from high quality mineral base oils and multifunctional “extreme pressure” additives Oscar TFX SAE 140 is used in powered transmission and axle drives for cars, highway light and heavy duty trucks, busses, and vans where an API GL-4/GL-5 is required Properties: Highest pressure-absorption capability Wear reduction Noise reduction Excellent viscosity/temperature properties Excellent ageing resistance All sealing materials compatibility *By request/order.