Caterpillar 3P-3725 Shaft (arbor) is an OEM Cat drive shaft designed for use in a subset of Cat wheel loader transmissions. The part number 3P-3725 is specified to fit models 768C, 769C, 772B, 773B, 776, and 777, making it a direct replacement component for the machine’s drivetrain. It provides proper alignment and continuity of power transfer where Cat transmissions, axles, and related gear trains connect, ensuring compatibility with Caterpillar powertrain components.
