Castrol Transmax Axle 85W-140 is a multigrade gear oil recommended for axles, transaxles or
differentials requiring API GL-5 oil.
High load carrying capability ensures gears operating under high loads are protected, prolonging
component life
API GL-5
Physico-chemical properties
| Name | Method | Units | Manual GL-4 80W-90 |
| Density @ 15C, Relative | ASTM D4052 | g/ml | 0.907 |
| Viscosity, Kinematic 100C | ASTM D445 | mm²/s | 26.4 |
| Viscosity, Kinematic 40C | ASTM D445 | mm²/s | 965 |
| Viscosity Index | ASTM D2270 | None | 96 |
| Viscosity, Brookfield @ -12C (85W) | ASTM D2983 | mPa.s (cP) | 75100 |
| Pour Point | ASTM D97 | °C | -15 |
| Flash Point, COC | ASTM D92 | °C | 226 |