Aws HD 32, 46, 68

AWS Series are zinc-based premium anti-wear hydraulic oils developed for high and low pressure hydraulic systems for manufacturing, industrial, marine and mobile applications. These oils exhibit durability and retention of performance that extends fluid and equipment life. Specially formulated with latest US Technology Additives (USTA), the oils are optimized for fast air release without excessive foaming to helps efficient hydraulic power transfer and minimize fluid and equipment impacts of cavitations-induced oxidation that can shorten fluid life.

AWS Series possess good anti-wear, anti-corrosion and anti-oxidation properties that meets Parker Denison HF-0, ISO 11158, DIN 51524 Part 1,2,3, GM LS-2, Fives Cincinnati P-68, SAR MS 1004, JCMAS HK, U.S. Steel 127, 136, Chinese Standard GB 1118.1 Specifications.


  • Excellent Hydrolytic Stability
  • Superior Rust and Corrosion Protection
  • Minimal increases in Air Entrainment
  • Excellent wear protection designed to promote Longer Pump Life
  • Outstanding Thermal and Oxidation Stability
  • Excellent wet and dry filterability per AFNOR NF E48-690 and NF E48-691


ROCKY HTDRAULIC OILS AWS Series can be used effectively in mobile hydraulic power application such as mobile cranes, lorry cranes and excavators, except where significant ambient temperature variations are encounter. For these applications, we recommend the “ROCKY HV” series.

ROCKY HYDRAULIC OILS AWS Series are suitable for use in most of the hydraulic pump systems (except systems with silver plated components) particularly for older machines that oil change is more often.

Typical Characteristics

Characteristics Test Method 32 46 68
Specific Gravity @ 15℃ ASTM D-4052 0.895 0.897 0.866
Kinematic Viscosity, cSt @ 40 ASTM D-7279 30.4 48 66.85
Kinematic Viscosity, cSt @ 100 ASTM D-7279 5.2 7 8.8
Viscosity Index ASTM D2270 100 102 104
Flash Point (COC) ASTM 92-12B 210 218 249
Pour Point ASTM 97-12 -12.0 -9.0 -33

**We reserve the right to alter the general characteristics of our products in order to let our customers benefit from the latest technical evolutions.

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