Shell Spirax S4 AX 85W-140 Heavy-Duty Automotive Gear Oil

Shell Spirax S4 AX 85W-140 Heavy-Duty Automotive Gear Oil

Protect hardworking gears with Shell Spirax S4 AX 85W-140, a premium multigrade gear oil formulated for heavy loads and demanding operating conditions. Its extreme-pressure additives help prevent scuffing and minimize wear, delivering dependable lubrication for suitable passenger vehicle and heavy-duty equipment applications.

Engineered to resist heat and oxidation, this gear oil helps maintain performance at elevated temperatures while controlling deposits around seals and bearings.

Key Features & Benefits

• Heavy-load protection: Extreme-pressure additives provide lasting protection against gear scuffing and wear during severe service.

• High-temperature stability: Resists thermal breakdown to support reliable lubrication under demanding conditions.

• Deposit control: Helps keep bearing surfaces and seal areas clean, reducing conditions that contribute to wear.

• All-season capability: SAE 85W-140 multigrade performance can reduce seasonal lubricant changes where climate and manufacturer requirements permit.

• Potential fuel-economy benefits: Helps reduce frictional energy losses to support drivetrain efficiency.

Recommended Applications

Designed for suitable hypoid, spur, bevel, helical, spiral-bevel, and worm gear applications in heavily loaded equipment and passenger vehicles. Applications include differentials, final drives, and certain transmissions, transfer cases, and steering mechanisms where the manufacturer specifies SAE 85W-140 with the applicable performance requirements.

Specifications, Approvals & Recommendations

• Viscosity: SAE 85W-140

• API: GL-4, GL-5, MT-1

• SAE: J2360

• Mack: GO-H and GO-J approved

• Legacy military specifications: Meets MIL-L-2105D and MIL-PRF-2105E, both obsolete

Always follow your vehicle or equipment manufacturer’s recommendations for lubricant selection and service intervals.