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FREQUENTLY BOUGHT TOGETHER

Shell 550027986 Spirax S3 T, Transmission Oil - 209 litre
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BG ATC Plus® Automatic Transmission Conditioner - 177ml - 3106E
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Fortron Advanced Oil System Cleaner, 325ml - Pack of 30
Total Price: £1,803.75 ADD ALL three TO CART

Q 1. What equipment is Shell Spirax S3 T designed for?

A. Shell Spirax S3 T is a Super Tractor Oil Universal (STOU) designed for modern agricultural equipment — engine, transmission, hydraulic, final drive and wet-brake service in a single fluid.

Q 2. What is a STOU?

A. STOU (Super Tractor Oil Universal) is a single oil designed to lubricate the engine, transmission, hydraulic system, final drive and wet brakes on a tractor.

Q 3. 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 4. What performance classifications does Shell Spirax S3 T meet?

A. Shell Spirax S3 T meets API CF-4 (engine); and John Deere JDM J27.

Q 5. Is Shell Spirax S3 T approved by John Deere?

A. Yes, Shell Spirax S3 T carries John Deere JDM J27 approval.

Q 6. What is the difference between Shell Spirax S3 T and S4 TXM?

A. Both are Shell Spirax agricultural tractor oils. S3 T (this product) is a STOU covering engine plus transmission/hydraulic/wet brake. S4 TXM is a UTTO covering transmission, hydraulic and wet brake only — not the engine.

Q 7. What is the difference between STOU and UTTO?

A. STOU (this product's class) lubricates engine plus transmission, hydraulic, final drive and wet brakes. UTTO covers transmission, hydraulic and wet brakes but NOT the engine.

Q 8. 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 9. 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.

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