Master Mechanic, Gallon, General Purpose, AW32 Hydraulic Oil, Containing A Highly Effective Rust & Oxidation Inhibiter,A Foam Depressant & A Moderate Extreme Pressure Anti-Wear Additive, SAE 20 Weight, Use In Logsplitters, Trash Compactors, Dump Trucks, Fork Lifts, Front End Loaders & Other Hydraulic Systems, Meets Or Exceeds: Dennison HF-O, HF-2: Cincinnati Milacron P-68, P-69, P-70 & ASTM D-2882 Vane Pump Wear Tests, Maximum Operating Temperature 435 Degrees Fahrenheit, Minimum Operating Temperature -22 Degrees Fahrenheit.