Motul 1L Transmission GEARBOX 80W90 - API GL-4 / GL-5Mineral transmission lubricant reinforced with Molybdenum bisulphide. This product was specially developed for mechanical transmission, synchronized or not synchronized gearboxes, gearbox differential, transfer gearboxes and hypoid differentials without limited slip system operating under shocks, heavy loads and low revolution speed or moderate loads and high revolution speed. It is recommended for noisy or and loaded gearboxes requiring API GL 4 GL 5