Purpose and Specifications

Shell Spirax S4 ATF HDX 1L is a premium fully synthetic automatic transmission fluid designed for heavy-duty trucks, buses, and passenger cars. It delivers smooth gear shifts, protects against wear, and handles extreme temperatures from -51°C cold starts to high-heat operation over 180°C, keeping your transmission reliable on long hauls or daily drives.

This advanced fluid meets strict approvals like ZF TE-ML 03D/04D/14B/16L/17C, MAN 339 Type V2/Z2, MB 236.9, Voith H55.6336.3x (up to 120,000 km drain intervals), Ford Mercon, GM Dexron III G, and Allison C4. Its synthetic base ensures maximum drain potential, often doubling standard intervals for cost savings.

• Smooth, precise shifting for effortless driving
• Stays fluid in freezing weather for quick starts
• Resists breakdown under heavy loads and heat
• Reduces friction and wear on clutches and gears
• Supports power steering and some manual transmissions

When to Use / Replace?

Use Shell Spirax S4 ATF HDX in approved ZF, MAN, Mercedes, Voith, Ford, GM, and Allison transmissions for heavy-duty or severe service. Replace every 120,000 km or 24 months under standard conditions, or sooner (60,000 km/12 months) for towing, off-road, or extreme temps. Shelf life is 5 years unopened in cool, dry storage.

Frequently Asked Questions

Is this fluid suitable for my older Ford or GM vehicle?
Yes, it meets Ford Mercon and GM Dexron III G specs, providing better protection than older mineral oils.

How do I know when to change my transmission fluid?
Check your owner's manual; change at 120,000 km for Voith systems or when shifting feels rough, fluid darkens, or burns during heavy use.

Can it handle winter driving?
Absolutely, flows smoothly down to -51°C to prevent sluggish shifts in cold climates.