Shell Spirax S3 T is a high-performance SAE 15W-40 Super Tractor Oil Universal (STOU) designed for multi-functional use in agricultural machinery, offering protection for engines, transmissions, hydraulics, and wet brake systems.
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Shell Spirax S3 T

Old product name: Shell Harvella T 15W-40

Shell Spirax S3 T is a high-performance SAE 15W-40 Super Tractor Oil Universal (STOU) designed for multi-functional use in agricultural machinery, offering protection for engines, transmissions, hydraulics, and wet brake systems.

Category:

Shell Spirax S3 T

( Previously named: Shell Harvella T 15W-40 )

Universal STOU fluid for agricultural equipment

  • Suitable for engines, transmissions, hydraulics, and oil-immersed brakes

  • Designed for year-round farming applications with a single lubricant

  • High-performance additive system protects gears, pumps, and mechanical parts

  • Provides smooth, jerk-free operation of hydraulic systems in cold and hot conditions

  • Protects against wear, corrosion, scuffing, and pitting

  • OEM-approved by Massey Ferguson, John Deere, ZF, and Caterpillar

  • Excellent anti-corrosion and anti-wear performance

Global Product Code: 001D8245



Application:

Shell Spirax S3 T is a premium quality SAE 15W-40 Super Tractor Oil Universal (STOU) lubricant developed for a wide variety of agricultural machinery. It offers reliable multi-functional performance across diesel engines, transmissions, final drives, hydraulic systems, and oil-immersed brakes. This product simplifies maintenance by eliminating the need for multiple oils on the farm, supporting smooth operation in both cold and hot environments.

Performance Features & Benefits:

  • Practical and Multi-Functional: One oil for engines, transmissions, hydraulics, and brake systems—streamlining farm lubricant needs.
  • High Performance Protection: Helps maintain mechanical integrity and extend component life by resisting wear and metal fatigue.
  • Superior Gear Protection: Guards against scuffing, pitting, and gear/bearing wear.
  • Jerk-Free Hydraulic Operation: Excellent low-temperature viscosity ensures smooth operation of hydraulic pumps and rams.
  • Corrosion Resistance: Advanced additive system protects internal parts against rust and oxidation.

Main Application Areas:

  • Diesel engines requiring API CF-4/SF
  • Tractor and agricultural equipment transmissions
  • Hydraulic systems and power steering units
  • Oil-immersed (wet) brake systems
  • Powershift and hydrostatic transmissions
  • Conventional gear drive systems

Specifications & Approvals:

  • API GL-4
  • API CF-4 / SF
  • Massey Ferguson M-1139, M-1144, M-1145
  • John Deere JDM J27
  • Caterpillar TO-2
  • ZF TE-ML 06B, 06Q, 07B

Usage Instructions:

  • Always follow OEM recommendations for viscosity grade and oil type.
  • Suitable for mixed-fleet environments where a STOU fluid is preferred.
  • For other applications, consult a Shell representative.

Environmental & Safety Information:

  • Shell Spirax S3 T poses no significant health risks when used correctly and with standard hygiene measures.
  • Avoid skin contact with used oil. Use gloves and wash with soap and water after handling.
  • Do not dispose of oil in drains or the environment. Take to an authorised oil collection point.
  • Safety Data Sheet (SDS) available via inquiry.

Technical Specifications:

Property Value
SAE Viscosity Grade 15W-40
Kinematic Viscosity @ 100°C 14.5 mm²/s (ISO 3104)
Viscosity Index 135 (ISO 2909)
Density @ 15°C 890 kg/m³ (ISO 12185)
Flash Point (COC) 226°C (ISO 2592)
Pour Point -27°C (ISO 3016)

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