the automatic transmission fluid or ATF performs the same tasks inside the automatic gearbox. The ATF is a hydraulic fluid that enables the gearbox to change gears by engaging the clutch packs.
Autran TO-430 is a specialised monograde SAE 30 Caterpillar TO-4 quality transmission fluid. It has been specifically designed for use in Caterpillar transmissions, drive trains and hydraulic systems ...