Question: what is the difference between aw32 and aw 46 hydraulic oil?
Answer: ► AW – Stand for Anti-Wear; also protects against Rust & Oxidation, and contains Anti-Foam additives. AW46 is approximately a 15 weight oil with the additives. ... A) Quality AW32 is approximately a 1500-hour oil, whereas, Premium AW32 has increased oxidation stabilizers making it approximately a 5000-hour oil.