Your skid-steer loader, you can operate the hydraulics with a In simple terms, this means that if you are running ATF(46) in Higher the VI a fluid has, the smaller the variation in viscosity These fluids have a higher Viscosity Index (VI) thanĪW hydraulic fluids due to the addition of VI improvers. Hydraulic systems that experience a wide operating temperature Suitable type of fluid - commonly AW hydraulic fluid definedĪccording to ISO viscosity grade (VG) numbers.Īutomatic transmission fluid, multi-grade engine oil andĪnti-wear, high VI (AWH) hydraulic fluid are commonly used in

Once these parameters are known, the correct viscosity grade canīe determined using the viscosity/temperature curve of a

permissible and optimum viscosity range for the system's.maximum expected operating temperature, which is influenced.starting viscosity at minimum ambient temperature.Hydraulic system involves consideration of several interdependent Temperature range of the hydraulic system, maximum componentĭefining the correct fluid viscosity grade for a particular If the viscosity grade is not correctly matched to the operating It doesn't matter how good the anti-wear,Īnti-oxidization or anti-corrosion properties of the fluid are, Viscosity is the single most important factor when selecting a Variety of fluids, including multi-grade engine oil andĪutomatic transmission fluid (ATF), in addition to the moreĬonventional anti-wear (AW) hydraulic fluid - provided the Most hydraulic systems will operate satisfactorily using a Hydraulic fluid - getting the viscosity right

Iso vg 46 viscosity vs temperature