sae 75w-85 synthetic gear oil being poured into a differential

Synthetic gear oil for modern drivelines

Why sae 75w-85 fits today’s axles Engineers spec this viscosity to balance efficiency with protection. The grade reaches bearings and gear teeth quickly, then resists shear under load. You’ll notice calmer gear noise, smoother syncro feel in manual boxes, and dependable protection for hypoid sets in light trucks, SUVs, and passenger cars. 75W-85 synthetic gear […]