TRUEGARD AW 46 in a 5-gallon pail is the ideal premium-performance hydraulic oil. Formulated with patented TRUEGARD additives and high-quality mineral oils, AW 46 has excellent air release, anti-wear and water separation properties. It’s extremely resistant to oxidation, which takes rust off the table, and it has good thermal stability as well. TRUEGARD AW 46 slips right through filters, which prevents clogs and costly repairs.