The 317-7485 is a Communication Adapter III (ET3) used with Caterpillar’s Electronic Technician (Cat ET) software. It enables diagnostics, configuration, and troubleshooting of electronically controlled Cat engines and machines. This is the official and recommended tool for interfacing with Caterpillar ECMs (Electronic Control Modules).

Toolkit Includes

• CAT Comm Adapter III CD – Driver installation software
• USB Cable – Connects the adapter to your computer
• J1939/J1708 Cable – Connects to your vehicle (includes 9-pin and 14-pin connectors)
• Hard Shell Case – With foam inserts for protection

Key Functions

• Display Logged Event Codes (e.g., engine overspeed, high temperature, fuel usage)
• View and modify ECM configurations and user settings
• Perform diagnostic tests, calibrations, and troubleshooting
• Interface with electromechanical and electrohydraulic systems
• Use data logger and viewer for recording ECM signals
• Access context-sensitive help for guided diagnostics