HP Gear Oil XP 80W-90 T is a high-performance multi-grade automotive gear oil designed for heavy-duty transmissions, axles, and gearboxes. It is formulated with premium quality solvent-refined base stocks and advanced extreme pressure (EP) additives to deliver superior load-carrying ability and gear protection even under severe operating conditions. This oil provides excellent oxidation, rust, and corrosion resistance, ensuring longer oil life and consistent gear performance. With its stable viscosity characteristics and robust additive system, HP Gear Oil XP 80W-90 T offers smooth gear shifting, reduced wear, and enhanced component durability across a wide temperature range. Developed in line with Tata Motors’ specific requirements, the oil is also suitable for other commercial vehicles requiring API GL-4 performance levels. It meets and exceeds API GL-4, IS:1118-1992 (Reaffirmed 2011), and TML’s SS 6556 specifications.
| Parameter | HP GEAR OIL XP 80W 90 (T) |
|---|---|
| Kinematic Viscosity @ 100°C, cSt | 14.0 – 16.0 |
| Viscosity Index | 95 |
| Flash Point (COC), °C | 180 |
| Pour Point, °C | -21 |
| Phosphorus, % wt | 0.136 – 0.17 |
