The part number for the travel final drive on the Caterpillar 303.5E is 288-3462.
The travel final drive contains a planetary reduction gearbox that helps to reduce the speed of the hydraulic motor and increase the torque output.
The Caterpillar 303.5E has two track motors, one on each side of the machine, and therefore two travel final drives.
The travel final drives are designed to provide power to the tracks and allow the machine to move forward and backward.
The Caterpillar 303.5E has a maximum travel speed of 2.8 miles per hour (4.5 kilometers per hour).