PETROMIN Gearbox Oil HDC series is a multigrade automotive transmission lubricant developed for gears operating under the severe conditions in transmissions, axles, and final drives. It exceeds API GL-5 requirements and has a proven track record where extreme pressures and shock loadings are expected. Key Benefits In-built anti-weld, anti-scuff, and EP properties ensure trouble-free operation and longer component life. Features oxidation and thermal stability for deposit-free operation and long service life. Offers easy startability and effective lubrication at low temperatures. Compatible with automotive seals and gaskets, eliminating leaks. Applications Suitable for manual transmissions in all passenger cars, and commercial trucks requiring API GL-5 specification. Off-highway gearbox applications in construction, mining, quarrying, and other sectors. Heavy-duty industrial and automotive applications where slow speed, high torque, heavy loads, shock loads & severe conditions are expected.