Shell Omala S4 GX 220 is an advanced synthetic industrial gear oil engineered to deliver long service life, excellent load-carrying capacity, and superior protection under high-temperature and shock-loaded conditions.
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Shell Omala S4 GX 220

Old product name: Shell Omala HD

Shell Omala S4 GX 220 is an advanced synthetic industrial gear oil engineered to deliver long service life, excellent load-carrying capacity, and superior protection under high-temperature and shock-loaded conditions.

Category:

Shell Omala S4 GX 220

( Previously named: Shell Omala HD )

Synthetic gear oil for high-performance enclosed industrial gear systems

  • Fully synthetic formulation with outstanding thermal and oxidative stability

  • Performs at bulk temperatures up to 120 °C with extended drain intervals

  • Excellent micro-pitting and wear protection under extreme shock loading

  • Reliable corrosion protection even with water and solid contamination

  • Reduces friction and enhances start-up performance in cold conditions

  • Suitable for systems with extended service intervals or poor accessibility

  • Formerly known as Shell Omala HD

Global Product Code: 001D7851



Application:

Shell Omala S4 GX 220 is a synthetic high-performance gear oil designed for enclosed industrial gear systems operating under severe conditions, such as high shock loading, wide temperature ranges, and limited maintenance access. Previously marketed as Shell Omala HD, this product offers long-lasting protection and operational reliability in critical applications.

Performance Features & Benefits:

  • Extended Oil Life: High resistance to degradation at bulk temperatures up to 120 °C, enabling longer service intervals.
  • Superior Wear Protection: Delivers excellent micro-pitting resistance and protects gears and bearings from shock loading.
  • Corrosion Control: Effective even in the presence of water and solid particles, maintaining component longevity.
  • Low-Temperature Efficiency: Enhanced fluidity ensures reliable lubrication during cold starts and reduces overall friction losses.

Main Application Areas:

  • Wind turbines and other systems requiring long-life lubricants
  • Severely loaded enclosed industrial gear systems
  • Circulating and splash-lubricated bearings and components
  • Not suitable for worm drives (use Shell Omala “W” series) or hypoid gears (use Shell Spirax oils)

Specifications & Approvals:

  • David Brown S1.53.106 (except ISO 1000)
  • 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 and wash exposed skin after contact with used oil.
  • Minimize environmental impact by disposing of used oil through authorized channels.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
ISO Viscosity Grade 220 ISO 3448
Kinematic Viscosity @ 40°C 230 mm²/s ISO 3104
Kinematic Viscosity @ 100°C 30 mm²/s ISO 3104
Viscosity Index 160 ISO 2909
Flash Point (COC) 250 °C ISO 2592
Pour Point -45 °C ISO 3016
Density @ 15°C 881 kg/m³ ISO 12185
FZG Load Stage (A/8.3/90) 14 DIN 51354-2
FZG Load Stage (A/16.6/90) 14 DIN 51354-2
Timken OK Load 85 lbs ASTM D2782

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