Gear Oil

Gear oils to API GL-4 and GL-5 for manual gearboxes.

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4 products

About Gear Oil

Gear oils are listed by SAE gear viscosity grade (75W-80, 75W-140, 80W-90 and 85W-140) and by API service category GL-4 or GL-5. GL-4 and GL-5 describe the severity of duty the gear oil is designed for, so use the category your gearbox or axle maker specifies. Synthetic gear oils are marked as synthetic in the product name. For manual gearboxes and differentials, compare the grades above or send an enquiry.