
Gear Turbine
Recommended
Shell Turbo S4 GX 32
Highest Performing
Shell EcoSafe Turbine Fluid S5 GX 25
* Lubricant recommendations are for reference only. Always verify OEM recommendations and operating conditions. Descriptions are subject to change. See Shell Technical Data Sheets (TDS) for official information.

Shell Turbo S4 GX 32
- Based on gas-to-liquids (GTL) technology
- Approved by GE as a Low Varnishing (LV) fluid
- Developed to meet the demands of the latest high-efficiency turbine systems with gearboxes
- Outstanding long-term performance under the most severe operating conditions and will help to minimize deposit and sludge formation, even under cyclic peak-loading conditions
- Meets and exceeds the specifications and requirements of the major turbine manufacturers, including MAN D&T, Siemens, GE, MHPS, and Alstom
- 10,000+ Hours, Turbine Oil Stability Test (TOST LIFE)
- 1 Minute Air Release
- Designed to protect 20 MG, Sludge (TOST 1,000 Hours)
Shell EcoSafe Turbine Fluid S5 GX 25
- Top-tier gas and combined-cycle turbine fluid for geared turbines
- Provides exceptional protection against fluid breakdown, even under conditions of high oxidation and thermal stress
- The fluid’s excellent resistance to varnish and sludge formation helps to reduce the wear of critical system components and prevent unplanned turbine outages due to valve sticking
- Offers enhanced anti-wear protection for heavily loaded gearboxes
- Meets General Electric’s PAG Non-Varnishing specifications for GEK 32568K