Plutus Hydraulic Oils HVX offer state of the art formulations that produce a line of universal anti-wear long life hydraulic oils having all the wear preventive characteristics required for the most severe of applications, including high pressure vane pumps. Plutus Hydraulic Oil HVX are produced from carefully selected high quality, highly refined hydrotreated base oil and the addition of a balanced additive system, including a shear stable viscosity index improver in these oils, thereby providing total year-round protection in a variety of application. It is formulated with ashless and zinc free additive package that zinc free make it suitable for pump containing steel-on-bronze lubrication surfaces and silver plate. Plutus Hydraulic Oils HVX have excellent hydrolytic stability, providing protection to all hydraulic system components even in the presence of moisture. Additives used in some hydraulic oils break down under conditions of high temperature and moisture to form acids that can attack copper and its alloys such as brass and bronze.