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A. Yes, Shell Spirax S4 TXM 10W-30 is a premium UTTO designed for transmissions, hydraulic systems, oil-immersed brakes and other ancillary systems in agricultural tractors and off-road equipment.
A. Yes, Shell Spirax S4 TXM 10W-30 was previously named Shell Donax TD.
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.
A. Shell Spirax S4 TXM 10W-30 meets API GL-4.
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.
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.
A. Shell Spirax S4 TXM 10W-30 carries Caterpillar TO-2; John Deere JDM J20C; ZF TE-ML 03E; Allison C-4; and Massey Ferguson M1143.
A. Yes, Shell Spirax S4 TXM 10W-30 carries John Deere JDM J20C approval.
A. Yes, Shell Spirax S4 TXM 10W-30 is designed for transmissions, hydraulic systems and oil-immersed brakes (wet-brake systems) in agricultural tractors.
A. UTTO (Universal Tractor Transmission Oil) lubricates the transmission, hydraulic system and wet brakes — but NOT the engine. STOU (Super Tractor Universal Oil) does all of the above PLUS the engine. Shell Spirax S4 TXM 10W-30 (this product) is a UTTO; Shell Spirax S4 TX is the corresponding STOU.
A. The 10W-30 multigrade viscosity gives cold-start performance (the 10W cold-side rating) and warm operating-temperature protection (the 30 hot-side rating), suiting year-round agricultural service across seasonal temperature variation.
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