Marvell ULTRA HYDRAULIC OIL ISO 46 are for use in hydraulic systems calling for zinc-based anti-wear oils, particularly systems with vane pumps operating at pump pressures above 1000 psi and speeds above 1200 rpm. The exceptional performance of the anti-wear additives in the important areas of high pressure/high-speed pump protection, anti-rust and corrosion, thermal and oxidative stability and filterability provides a cost-effective product resulting in reduced equipment downtime. It can also be used in other systems where wear rates are high using conventional oils.Marvell ULTRA HYDRAULIC OIL ISO 46 is compatible with other hydraulic oils that contain a zinc based anti-wear system.