Home > Excavator Diagnostic Tool >

478-0235 Durable CAT ET3 Diagnostic Tool Communication Adapter Scanner

Product Categories

Guangzhou Lanxin Machinery Equipment Co., Ltd

Trust Seal

Verified Supplier

Credit Check

Supplier Assessment

Contact Now

478-0235 Durable CAT ET3 Diagnostic Tool Communication Adapter Scanner

Packaging Details : Carton Box

MOQ : 1

Product Name : Communication Adapter

Model Number : ET3

Place of Origin : China

Supply Ability : 99

OEM Number : 317-7485 171-4401 275-5120

Payment : T/T, Western Union, MoneyGram

Delivery time : 3-7 Days

Payment Terms : D/A,D/P,L/C,T/T

Delivery Time : 3-7 work days

Connection : USB 2.0 with high-speed data transfer, compatible with Windows systems

Price : $36 - $42

Package Contents : ET3 adapter, OBD-II cable, 9-pin/14-pin heavy-duty connectors, USB cable, SIS software CD, hard carrying case

Brand Name : CAT

Part Number : 478-0235 (Communication Adapter 3 / CA3)

Compatibility : engines, excavators, trucks, and marine equipment

Packing : Carton Box

Contact Now

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.

Core Selling Points

✅ Full Cat System Compatibility

The ET3 adapter works with all CAT equipment, including excavators, wheel loaders, trucks, and marine engines. It supports both legacy and modern electronic control systems, making it suitable for a wide range of models.

✅ Complete Diagnostic & Calibration Functions

With the included SIS software, technicians can access advanced functions such as real-time engine data monitoring, fault code troubleshooting, injector calibration, and system programming. This eliminates the need for multiple tools, streamlining maintenance workflows.

✅ Durable, Workshop-Ready Design

Built for heavy-duty use, the adapter features a rugged housing and reinforced connectors to withstand workshop conditions. The kit comes with a protective hard case, keeping all components organized and protected during transport.

✅ Cost-Effective Professional Solution

This aftermarket ET3 kit offers full CAT diagnostic capabilities at a fraction of the cost of OEM tools. It is ideal for independent workshops, fleet operators, and service technicians looking to improve repair accuracy and reduce equipment downtime.

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)

478-0235 Durable CAT ET3 Diagnostic Tool Communication Adapter Scanner

Product Tags: