TRUEGARD Industrial Oil AW 100 - 55 Gallon Drum

R&O stands for Rust and Oxidation inhibited, meaning the oil contains additives specifically to prevent rust, corrosion, and oxidative breakdown - but it does not include the dedicated anti-wear (AW) additives found in AW-grade oils. This makes it appropriate for low-pressure, light-duty systems (such as forklifts, air tools, and light-duty presses) that do not require the vane pump or piston pump wear protection an AW oil provides. Always check your equipment manufacturer's specification to confirm whether an R&O or AW formulation is required.

ISO VG 100 is a thicker oil compared to grades like 46 or 68, making it better suited for equipment operating in higher ambient temperatures, running at slower speeds, or having larger internal clearances. A lower viscosity grade would be chosen for tighter-tolerance systems or cooler operating environments. Always verify which viscosity grade your equipment manufacturer specifies before selecting.

TRUEGARD R&O Hydraulic Oil AW 100 is formulated from virgin (conventional/mineral) base oils - not synthetic. The product is described as using only the highest quality virgin oils, which deliver improved oxidation resistance, rust protection, and anti-foam performance for light to medium duty applications.

No - this oil is specifically designed for low-pressure, light-duty hydraulic equipment. It is not formulated for high-pressure or heavy-duty hydraulic systems, which typically require a full anti-wear (AW) oil with stronger wear protection additives. Using this product outside its intended duty range could result in inadequate equipment protection.

This oil provides three key protective properties: improved oxidation resistance (slowing oil degradation from heat and oxygen exposure), rust protection (guarding metal surfaces from moisture-induced corrosion), and anti-foam properties (preventing foam buildup that can cause cavitation or erratic system performance). Together these extend both the service life of the oil and the components it lubricates.

The product data does not specify cross-compatibility with other hydraulic oil formulations. As a general best practice, mixing R&O oils with AW or synthetic hydraulic oils is not recommended without a system flush, as doing so can compromise additive packages. Consult the TRUEGARD product data sheet or Safety Data Sheet - both of which are available for this product - along with your equipment manual before performing an oil changeover.