Spirax S4 ATF HDX is a superior quality automatic transmission fluid suitable for heavy duty automotive transport and passenger car transmissions. Based on synthetic technology base fluid Spirax S4 ATF HDX is the ultimate performance automatic transmission fluid allowing extended drain intervals even under the most severe conditions.
- Synthetic base oil technology
- Excellent shift feeling
- Extremely low temperature fluidity
- Shear stability
- Wear protection
- Maximum oil drain interval potential
- High temperature oxidation stability.