AEROSHELL Fluid 4 is mineral hydraulic oil with very good low temperature characteristics and capable of operating over a wide temperature range. Composed of a mineral oil base stock and a complex additive package which results in a product with excellent low temperature flow and anti-wear properties, excellent anti-foam characteristics, and excellent oxidation stability. Dyed red.

AEROSHELL Fluid 41 is mineral hydraulic oil manufactured to a very high level of cleanliness, and possesses improved fluid properties. Contains additives which provide excellent low temperature fluidity as well as exceptional anti-wear properties, oxidation ? corrosion inhibition and shear stability. In addition metal de-activators and foam inhibitors are included in this high viscosity index fluid to enhance performance in hydraulic applications. Capable of wide temperature range operations. Dyed red.