Shell Omala S4 GX 320 is an advanced synthetic industrial gear oil designed for high-performance enclosed gear systems, offering long oil life, exceptional wear protection, and enhanced efficiency under severe operating conditions.
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Shell Omala S4 GX 320

Old product name: Shell Omala HD

Shell Omala S4 GX 320 is an advanced synthetic industrial gear oil designed for high-performance enclosed gear systems, offering long oil life, exceptional wear protection, and enhanced efficiency under severe operating conditions.

Category:

Shell Omala S4 GX 320

( Previously named: Shell Omala HD )

High-performance synthetic gear oil for industrial systems under extreme conditions

  • Formulated with synthetic base oils and advanced additives

  • Operates reliably at bulk oil temperatures up to 120 °C

  • Provides excellent micro-pitting resistance and wear protection

  • High resistance to thermal degradation and oxidation

  • Maintains system efficiency through reduced friction and improved low-temperature performance

  • Offers corrosion protection even in the presence of water and solid contaminants

  • Suitable for enclosed gear systems, circulating, and splash-lubricated systems

  • Formerly known as Shell Omala HD

Global Product Code: 001D7852



Application:

Shell Omala S4 GX 320 is a fully synthetic heavy-duty gear oil developed for enclosed industrial gear systems exposed to extreme conditions such as shock loading, high thermal stress, and wide temperature variations. Previously branded as Shell Omala HD, it is ideal for installations requiring long service intervals and superior micro-pitting resistance, including wind turbines and other remote applications.

Performance Features & Benefits:

  • Long Oil Life: Outstanding oxidative stability for reliable performance at temperatures up to 120 °C, enabling extended oil change intervals.
  • Wear & Micro-Pitting Protection: High load-carrying capability and resistance to wear ensure long component life under severe operating conditions.
  • System Efficiency: Enhanced low-temperature properties and lower friction versus mineral oils help improve startup and operational performance.
  • Corrosion Resistance: Effective in systems with exposure to water or solid contaminants, maintaining long-term protection.

Main Application Areas:

  • Wind turbines and other remote or inaccessible gear installations
  • Industrial reduction gear systems under severe load and temperature conditions
  • Circulating and splash-lubricated bearing systems
  • Not recommended for worm drives (use Shell Omala “W”) or hypoid gears (use Shell Spirax)

Specifications & Approvals:

  • David Brown S1.53.106 (except ISO 1000)
  • ORBITAL2 approved for helical and planetary gear units (wind turbines)
  • ISO 12925-1 Type CKD (except ISO 1000)
  • ANSI/AGMA 9005-E02 (EP) (except ISO 1000)
  • US Steel 224 (except ISO 1000)
  • DIN 51517-3 (CLP) (except ISO 1000)

Environmental & Safety Information:

  • Use gloves when handling used oil and wash skin with soap and water after contact.
  • Used oil must be collected and disposed of through authorized channels.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
ISO Viscosity Grade 320 ISO 3448
Kinematic Viscosity @ 40 °C 335 mm²/s ISO 3104
Kinematic Viscosity @ 100 °C 40 mm²/s ISO 3104
Viscosity Index 159 ISO 2909
Flash Point (COC) 252 °C ISO 2592
Pour Point -42 °C ISO 3016
Density @ 15 °C 883 kg/m³ ISO 12185
FZG Load Test (A/8.3/90) Load Stage 14 DIN 51354-2
FZG Load Test (A/16.6/90) Load Stage 14 DIN 51354-2
Timken OK Load 85 lbs ASTM D2782

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