TO4 SAE30 Oil Equivalent — Brand Comparison & Cross Reference
Caterpillar TO-4 SAE 30 is a transmission and drivetrain oil designed to meet Caterpillar's stringent TO-4 specification. Used in powershift transmissions, final drives, and hydraulic systems in Caterpillar and other heavy equipment.
Brand Comparison Table
The following table shows the TO4 SAE30 equivalent product from each major lubricant brand. Use this to find a direct substitute when switching suppliers or sourcing alternatives.
| Brand | Product Name |
|---|---|
 Sinopec | TO430 |
 Castrol | Transmax offroad 30 |
 Mobil | Mobiltrans HD 30 |
 Shell | Spirax S4 CX 30 |
 Valvoline | Valtorque C4 30 |
 Caltex | Delo TorqForce 30 |
 Fuchs | Titan UTTO TO-4 30 |
 Penrite | Convoy Fleetgear 30 |
 Gulf Western | Torque Oil TO-4 30 |
Common Applications
- Caterpillar powershift transmissions
- Final drives in Cat and Komatsu equipment
- Hydraulic systems in heavy earthmoving machinery
- Underground mining equipment drivetrains
- Loader and dozer transmission systems
Frequently Asked Questions
What equipment requires Caterpillar TO-4 oil?
TO-4 oils are required for Caterpillar powershift transmissions, final drives, and hydraulic systems. They are also used in Komatsu, Hitachi, and other brands of heavy equipment where TO-4 specification is called for.
Can I use TO-4 oil as a hydraulic fluid?
TO-4 oils are designed to provide adequate hydraulic performance in systems that share fluid with the transmission. However, they are not a direct replacement for dedicated anti-wear hydraulic oils in standalone hydraulic systems.
What is the difference between TO-4 and TDTO?
TO-4 (Transmission/Drive Train Oil) is a Caterpillar specification, while TDTO (Transmission, Drive Train, and Torque Converter Oil) is an older Caterpillar designation. Modern Cat equipment typically specifies TO-4 or the newer Cat FDAO (Final Drive and Axle Oil).
Related Transmission Specifications
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