Jack Oil | Lubriplate Lubricants Co. Petroleum-based, Anti-Wear, Hydraulic Fluid LUBRIPLATE Hydraulic Jack Oil is a heavy duty, high pressure, anti-wear, and non-corrosive hydraulic fluid recommended for hydraulic jacks and similar applications. LUBRIPLATE Hydraulic Jack Oil has the following features: Fluid zinc for anti-wear properties High natural V.I. for stable viscosities throughout a wider operating temperature High aniline point for controlled seal-swelling characteristics Rust and corrosion resistant properties Chemical and mechanical stabilities Foam suppression properties Good heat transfer properties Thermal oxidation stability Good demulsibility properties Part No. L0768-