- 75W90 GL-4 gear oil (similar to SAE 5W40/10W40 engine oil viscosity)
- Popular in Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise/Exige, Toyota, Mendeola transmissions and Atlas transfer cases for Off Road
- Offers quicker shifts, perfect synchronizer coefficient of friction
- Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
- High performance gear protection and longer synchro life
- Eliminates notchy shifting, even when cold
- Satisfies the gear oil viscosity requirements of 75W90, 80W90, 90 and motor oil viscosities of SAE 40, 10W40 and 15W40
- Recommended for GL-1, GL-3 and GL-4 applications, as well as where most special synchromesh fluids are specified
TYPICAL PROPERTIES
| API Service Class | GL 4 |
| SAE Viscosity Grade (Gear Oil) | 75W90 |
| SAE Viscosity Grade (Motor Oil) | 15W40 |
| Vis @ 100°C, CSt | 15.5 |
| Vis @ 40°C, CSt | 82 |
| Brookfield Viscosity @ -40°C, Poise | 320 |
| Viscosity Index | 200 |
| Pour Point, °C | -45 |
| Pour Point, °F | -49 |