CAT ET4 Electronic Technician Diagnostic Tool Kit — Communication Adapter 3

Diagnose, troubleshoot, and calibrate your Caterpillar equipment with confidence. This complete CAT ET4 diagnostic kit includes the Communication Adapter 3 (478-0235) and all essential cables, giving you dealer-level diagnostic capability right in the field. From reading fault codes to performing advanced calibrations, the ET4 puts you in full control of your machine's health.

Key Benefits

✅ Read and clear diagnostic fault codes across all CAT electronic control modules

✅ Monitor real-time engine and hydraulic data — temperatures, pressures, RPM, and more

✅ Perform ECM calibrations, injector trim codes, and parameter adjustments

✅ Multi-protocol support — J1939, CDL, J1708, and USB connectivity

✅ Complete kit — Communication Adapter 3, diagnostic cables, and software included

Compatible Equipment

Caterpillar Excavators, Bulldozers, Wheel Loaders, Motor Graders, Mining Trucks, Generators

Part Number

478-0235 (Communication Adapter 3)

Supported Protocols

J1939 / CDL / J1708 / USB

About Guangzhou Lanxin Machinery

Guangzhou Lanxin Machinery Equipment Co., Ltd. (HK LUYUE EXCAVATOR PARTS LIMITED) is a professional supplier of engineering machinery parts and diagnostic tools based in Guangzhou, China. We specialize in diesel engines, hydraulic pumps, diagnostic equipment, and construction machinery components for Caterpillar, Komatsu, Cummins, Isuzu, Deutz, and other major brands. With years of industry experience, we serve clients worldwide with factory-direct pricing, rigorous quality control, and reliable global shipping.

Don't guess — diagnose. Keep your fleet running at peak performance with the CAT ET4 diagnostic tool kit.

🌐 Website: https://www.construction-engines.com/ 

📱 WhatsApp: +86 18688416585

✉ Email: Sales02@lanxinmachinery.com