Linelube Hydraulic HVI Oils are high viscosity index industrial hydraulic oils, manufactured from a blend of solvent refined mineral oils, shear stable viscosity index improver and a multipurpose hydraulic oil additive system. The primary applications for linelube Hydraulic HVI Oils is machinery operating under wide temperature variations including high pressures, specifically in vane type pumps. linelube Hydraulic HVI Oil is specifically recommended for Poclain excavators