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Castrol - Transmax Offroad 30W, Gear/Transmission Oils - 208 Litre
Add
BG ATC Plus® Automatic Transmission Conditioner - 177ml - 3106E
Add
Fortron Advanced Oil Guard, 325 ml - Pack of 30
Total Price: £1,462.00 ADD ALL three TO CART
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Technical Specification
PRODUCT NUMBER PRD00004056PRD00004049PRD00004629PRD00004033PRD00003003PRD00003005PRD00003009PRD00003234PRD00003014PRD00003004PRD00002308PRD00002264PRD00002249PRD00004642PRD00004026
Density, 15°C 0.8690.9080.8990.8470.8920.0090.9090.0850.8680.8920.86650.8960.8590.90.884
Flash Point (COC) 210215205180178182178210178202222216175200
Kinematic Viscosity @40°C 172.435893.937145.4172.543134.892.8145.4104134.93514636
Pour Point -42-15-30-48-24-27-15-52-45-24-51-33-45-27-36
SAE 75W-14085W-14080W-9085W-14075W-9080W-9075w-9080w-9080W-9010W
Volume 20202020202020202020820202020209
Viscosity Index 17494180991069618515699154101175100
Oil Type Synthetic Technology base fluidSynthetic Technology base fluidFully SyntheticMineralPart SyntheticMineral
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Q 1. What machinery is Castrol Transmax Offroad 30 designed for?

A. Castrol Transmax Offroad 30 is designed for powershift transmissions, final drives and wet-brake systems in off-highway equipment — earthmoving machinery, mining equipment and other heavy-duty off-road applications, and is also approved for related commercial vehicle powershift transmissions.

Q 2. 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 3. What performance classification does Castrol Transmax Offroad 30 meet?

A. Castrol Transmax Offroad 30 meets Caterpillar TO-4.

Q 4. 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 5. 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 6. What OEM manufacturer approvals does Castrol Transmax Offroad 30 carry?

A. Castrol Transmax Offroad 30 carries ZF TE-ML 03C; and Allison C-4.

Q 7. What is Caterpillar TO-4?

A. Caterpillar TO-4 is Caterpillar's specification for powershift transmission, final drive and wet-brake fluids used in off-highway equipment. The TO-4 specification covers the friction characteristics required for powershift wet clutches and the EP performance required for the final drive.

Q 8. Why is Castrol Transmax Offroad 30 a single-grade viscosity?

A. Caterpillar TO-4 powershift fluids are typically supplied as single-grade SAE 10W, 30W or 50W — the absence of viscosity-index improvers gives the friction stability required for powershift wet-clutch operation. SAE 30W (this product) is the standard powershift service viscosity.

Q 9. What is the difference between Transmax Offroad 30 and Transmax ATF DX III?

A. Both are Castrol Transmax transmission fluids, but for different transmission types. Transmax Offroad 30 (this product) is a Caterpillar TO-4 powershift transmission fluid for off-highway heavy equipment. Transmax ATF DX III is a Dexron-class automatic transmission fluid for passenger car and commercial vehicle automatic transmissions.

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