Shell Omala S4 WE 150 is an advanced synthetic industrial gear oil based on polyalkylene glycol, specifically developed for worm drive systems requiring energy efficiency, long oil life, and high micro-pitting resistance.
Synthetic worm gear oil with exceptional efficiency and durability
Formulated with polyalkylene glycol (PAG) base fluids for high-performance worm gear lubrication
Offers long service life with excellent thermal and oxidation stability
Provides high resistance to wear, shock loads, and micro-pitting
Delivers energy savings—up to 15% vs. mineral oils and 11% vs. synthetic hydrocarbons
Suitable for enclosed worm gear systems and splash-lubricated bearings
Not recommended for use with aluminium components or mineral oil systems
Formerly known as Shell Tivela S
Global Product Code: 001D7856
Shell Omala S4 WE 150 is a fully synthetic industrial gear oil designed for enclosed worm gear systems operating under high loads and severe temperature conditions. Formulated with high-quality polyalkylene glycol (PAG) base fluids and advanced additives, it is ideal for applications demanding extended drain intervals, high efficiency, and superior micro-pitting resistance. Previously branded as Shell Tivela S.
| Property | Typical Value | Method |
|---|---|---|
| ISO Viscosity Grade | 150 | ISO 3448 |
| Kinematic Viscosity @ 40 °C | 136 mm²/s | ISO 3104 |
| Kinematic Viscosity @ 100 °C | 22.5 mm²/s | ISO 3104 |
| Viscosity Index | 188 | ISO 2909 |
| Flash Point (COC) | 268 °C | ISO 2592 |
| Pour Point | -42 °C | ISO 3016 |
| Density @ 15 °C | 1076 kg/m³ | ISO 12185 |
| FZG Load Test (A/8.3/90) | >12 (failure load stage) | DIN 51354-2 |