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Shell 550027933 Spirax S4 TX 10W-40, Agricultural Oil - 20 Litre
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Technical Specification
PRODUCT NUMBER PRD00002108PRD00002109
Density, 15°C 0.8720.872
Flash Point (COC) 242242
Kinematic Viscosity @40°C 7979
Pour Point -45-45
SAE 10W-3010W-30
Volume 20208
Viscosity Index 140140
Oil Type Universal tractor oilUniversal tractor oil
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Q 1. Is Shell Spirax S4 TX 10W-40 a Super Tractor Oil Universal (STOU)?

A. Yes, Shell Spirax S4 TX 10W-40 is a STOU — a single oil delivering performance for engine, transmission, wet brake, hydraulic and front axles in agricultural equipment.

Q 2. What machinery is Shell Spirax S4 TX 10W-40 designed for?

A. Shell Spirax S4 TX 10W-40 is designed for a wide range of agricultural equipment, including tractor engines, transmissions, wet-brake systems, hydraulic systems, PTO drive trains and front axles.

Q 3. Is Shell Spirax S4 TX 10W-40 the same as Shell Harvella TX 10W-40?

A. Yes, Shell Spirax S4 TX 10W-40 was previously named Shell Harvella TX 10W-40. The Shell Harvella product line was rebranded to Shell Spirax S4 TX.

Q 4. What is an API/ACEA classification?

A. API and ACEA are the universal lubricant performance standards every reputable oil meets. They are your baseline check — match the code your handbook specifies (e.g., API CI-4 or ACEA E7 for heavy-duty diesel) and the oil is technically suitable for your machine. Every oil on our site lists its API and ACEA classifications.

Q 5. What performance classification does Shell Spirax S4 TX 10W-40 meet?

A. Shell Spirax S4 TX 10W-40 meets API CF-4.

Q 6. What is an OEM Specification?

A. An OEM Specification is the lubricant requirement set by a vehicle or equipment manufacturer (e.g., MB 228.3, VW 504.00). When an oil lists the code, the oil manufacturer has developed and tested it to meet the criteria the equipment manufacturer requires. Match the code in your handbook and you have a lubricant engineered for your machine.

Q 7. What is an OEM Approval?

A. An OEM Approval means the oil has been formally tested and signed off by the equipment manufacturer and listed on their official approved-products register (e.g., MB-Approval 228.3). An Approval confirms the oil is recognised by the equipment manufacturer for service use in their machines.

Q 8. What OEM manufacturer approvals does Shell Spirax S4 TX 10W-40 carry?

A. Shell Spirax S4 TX 10W-40 carries Caterpillar TO-2; John Deere JDM J27; ZF TE-ML 06B; and Massey Ferguson M1139 and M1144.

Q 9. Is Shell Spirax S4 TX 10W-40 approved for John Deere J27?

A. Yes, Shell Spirax S4 TX 10W-40 carries John Deere JDM J27 approval.

Q 10. Is Shell Spirax S4 TX 10W-40 approved for Massey Ferguson?

A. Yes, Shell Spirax S4 TX 10W-40 carries Massey Ferguson M1139 and M1144 approvals.

Q 11. Can Shell Spirax S4 TX 10W-40 be used in tractor wet brakes?

A. Yes, Shell Spirax S4 TX 10W-40 is designed for tractor wet-brake systems, providing the friction characteristics required for transmission-immersed brakes.

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