Place of Origin:
China
Brand Name:
CAT
Model Number:
ET3
478-0235 Excavator Diagnostic Tool for CAT ET3 Communication Adapter Scanner
The ET3 Communication Adapter 3 (478-0235) is a professional-grade diagnostic tool designed for Cat engines, excavators, trucks, and marine equipment. This complete kit includes the adapter, all required cables, and SIS software, enabling technicians to read fault codes, perform live data monitoring, calibrate systems, and troubleshoot issues on CAT machinery. It is an essential tool for workshop maintenance, fleet management, and on-site repairs.
| Item | Specification |
|---|---|
| Product Name | Communication Adapter 3 Diagnostic Tool for Cat ET3 |
| Part Number | 478-0235 / 4780235 |
| Supported Software | CAT Electronic Technician (ET) + SIS (Service Information System) |
| Supported Protocols | J1939, J1708, CAN, KWP2000, ISO 15765 |
| Supported Equipment | All CAT heavy-duty trucks, excavators, loaders, generators, marine engines, etc. |
| Connection Interface | USB 2.0, 9-pin Deutsch, 6-pin, OBD-II (J1962) |
| System Compatibility | Win-dows 7/10/11 (32/64 bit) |
| Package Includes | ET3 Adapter, Main Test Cable, 9-pin/6-pin/OBD-II Adapters, USB Cable, Software CD, User Manual, Hard Case |
| Function | Read/clear fault codes, view live data, perform component tests, program ECUs, calibrate parameters |
| Application Scenarios | CAT construction machinery maintenance, truck repair workshops, heavy equipment diagnostic centers |
| OEM Number | Part Description | Compatible Equipment | Notes |
|---|---|---|---|
| 478-0235 | Communication Adapter 3 (ET3) Complete Assembly | Full series of CAT construction machinery (excavators, loaders, bulldozers, generators, etc.) produced after 2000 | Your core original part number, the most mainstream factory-matched ET3 assembly on the market |
| 317-7485 | Communication Adapter 3 (ET3) Service Replacement Assembly | 100% compatible with all equipment supported by 478-0235 | Official CAT aftermarket replacement assembly, identical in function to 478-0235 |
| 171-4401 | Early Generation Communication Adapter 3 (ET3) Assembly | Older CAT equipment (pre-2010), fully backward compatible | Original early-version ET3 assembly, ideal for diagnosing legacy CAT machinery |
| 275-5120 | Communication Adapter 3 (ET3) Basic Assembly | All CAT equipment compatible with 478-0235 | Factory basic version, includes only the adapter main body (no full accessory kit) |
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