Cat® TDTO is the preferred lubricant for Cat power shift transmissions, final drives, wet brake compartments, Cat machine compartments where TO-4 and TO-4M specification oils are recommended.

Cat TDTO is developed, tested and approved by Caterpillar to meet the same high standards as Genuine Cat Parts.

Factory-Fill—Used as standard factory-fill for Cat machine compartments
where TO-4 oils are specified.
Longer Clutch Life—Prolongs clutch disc life up to 45%.
Optimum Wear Life—Ensures long life and excellent performance for
gears, bearings and friction disc material.
System-Matched Formula—Engineered as an integral part of Cat power
shift transmissions, most wet brake compartments, and hydrostatic systems