All mechanical transmission, synchronized or not synchronized gearboxes, gearbox/differential and transfer gearboxes without limited slip system operating under shocks, heavy loads and low revolution speed or moderate loads and high revolution speed. Specially developed for OEMs such as Nissan, Mitsubishi, Suzuki, Kia, Hyundai…etc. and all other OEMs requiring a gear oil in SAE 75W-85 viscosity grade.