Communications Adapter 3 is the latest generation of the Communication Adapter group, and replaces the Comm Adapter II.
for Cat ET3/ET4 A Excavator Diagnostic Tool 320E Starting Programming Cable
6 pin Diagnostic Cable for Cat ET3/ET4 Adapter Kit Excavator Diagnostic Tool
9 pin Extension Diagnostic Cable For Cat ET3 Adapter Excavator Diagnostic Tool
14Pin to 16Pin OBD2 Cable for Cat ET3 Truck Diagnostic Adapter
