Shell Spirax S4 ATF HDX is a synthetic heavy‑duty automatic transmission fluid with high temperature stability and extensive OEM approvals.
Shell Spirax S4 ATF HDX is a synthetic heavy‑duty automatic transmission fluid designed for a wide range of automotive automatic transmissions, hydraulic systems, power steering, and certain manual transmissions. It offers excellent shift feel, low‑temperature fluidity, shear stability, wear protection, and high‑temperature oxidation stability, enabling extended oil‑drain intervals.
The data sheet lists key physical properties such as kinematic viscosity, viscosity index, density, flash point and pour point, and provides safety guidance: avoid skin contact, use gloves, wash immediately if contact occurs, and dispose of used oil at authorized collection points.
| Kinematic Viscosity @40°C (mm²/s) | 33.2 |
|---|---|
| Kinematic Viscosity @100°C (mm²/s) | 7.2 |
| Viscosity Index | 189 |
| Density @150°C (kg/m³) | 847 |
| Flash Point (COC) (°C) | 152 |
| Pour Point (°C) | -48 |
Avoid skin contact, wear impervious gloves, wash immediately with soap and water if contact occurs, and dispose of used oil at an authorized collection point.