Gear Oil
S-OIL ULTRA GEAR OIL SAE 140
High-performance heavy-duty gear oil (API GL-4). Formulated from high-quality base oils and advanced additives for automotive heavy-duty transmissions, axles, and final drives where wear and scoring protection and a high level of oil film protection are required.
- API Rating
- GL-4
- Viscosity Grade
- SAE 140
- Density @ 15°C
- 0.907 g/cm³ (ASTM D4052)
- Viscosity @ 40°C
- 419 cSt (ASTM D445)
- Viscosity @ 100°C
- 29.7 cSt (ASTM D445)
- Viscosity Index
- 99 (ASTM D2270)
- Pour Point
- -9°C (ASTM D97)
- Flash Point (COC)
- 260°C (ASTM D92)
- Copper Strip Corrosion
- 1B (ASTM D130)
- Foam Seq I, II, III
- 20/0 ml/ml (ASTM D892)
- Phosphorus
- 0.019 %wt (ASTM D4951)
Key Benefits
- Enhanced anti-wear properties and outstanding film strength for exceptional equipment protection, fewer breakdowns, and improved transmission efficiency
- Excellent rust and corrosion protection for longer component life
- Compatibility with seals and gaskets helps minimize oil leakage and reduced contamination
- Suitable for heavy-duty manual transmissions, axles, and final drives requiring API GL-4 performance
- Off-highway applications including construction, mining, quarrying, and agriculture
Recommended Usage
For heavy-duty manual transmissions, axles, and final drives requiring API GL-4 SAE 140 gear oil, including off-highway construction, mining, quarrying, and agricultural equipment. Typical values are for production blends and do not constitute a specification. For pack sizes and further information, contact the S-Oil sales team.
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