The CAT ET4 478-0235 Communication Adapter is the latest original diagnostic tool designed for Caterpillar equipment and engines. Available now at Kay Computers and Technologies Ltd, this advanced interface connects your CAT machine to the Electronic Technician (ET) software, enabling fast and accurate diagnostics, programming, and parameter adjustments. It supports CAN, J1939, and J1708 protocols and is compatible with a wide range of heavy-duty Caterpillar machinery, including trucks, excavators, generators, and dozers. Built for durability and field use, this tool is essential for engineers and technicians in Nigeria servicing CAT equipment.