Shell Spirax S4 CX 10W – Heavy-Duty Transmission and Hydraulic Oil

Purpose and Specifications

Shell Spirax S4 CX 10W is a premium off-highway hydraulic and transmission oil engineered for construction equipment, agricultural machinery, and industrial vehicles that demand reliable performance in tough conditions. This 20-liter container delivers trouble-free operation and maximum reliability throughout your equipment's lifetime.

Key Performance Features:

• Approved by major manufacturers: ZF TE-ML 03C, Caterpillar TO-4, and equivalent standards
• SAE 10W viscosity grade – flows smoothly in cold starts while maintaining protection at high operating temperatures
• Advanced anti-wear protection – reduces friction and extends component life in transmissions, hydraulic systems, and wet brakes
• Superior oxidation stability – resists breakdown during extended use, supporting longer service intervals
• Anti-foam and anti-corrosion additives – prevents sludge buildup and rust formation in critical systems

When to Use and Replace?

Use Shell Spirax S4 CX 10W in:

• Off-highway construction equipment (excavators, loaders, dozers)
• Agricultural tractors and implements
• Industrial hydraulic systems and transmissions
• Wet brake systems in heavy-duty vehicles

Replacement Schedule: Follow your equipment manufacturer's recommended drain intervals, typically 500–1,000 operating hours or 12 months, whichever comes first. Severe conditions (high dust, extreme temperatures) may require more frequent changes. Always check your operator's manual for specific guidance.

Operating Temperature Range: Performs reliably from -10°C at startup to +60°C during normal operation, with short-term peaks to +70°C.

Frequently Asked Questions

Q: Can I use this oil in my passenger car transmission?
A: No. Shell Spirax S4 CX 10W is formulated exclusively for off-highway and heavy-duty industrial equipment. Use only oils approved by your vehicle manufacturer for passenger cars and light trucks.

Q: How long does an unopened 20-liter container stay fresh?
A: Properly stored in a cool, dry place away from direct sunlight, unopened Shell Spirax S4 CX 10W maintains full performance for 3–5 years. Once opened, use within 6–12 months to prevent oxidation.

Q: What's the difference between this and other Shell Spirax oils?
A: Shell Spirax S4 CX 10W is optimized for off-highway hydraulic and transmission systems. Other variants like S4 ATF HDX target heavy-duty automatic transmissions, while S4 TXM serves agricultural tractors. Always match the product to your equipment's specifications.