Cummins USB-Link 3 Diagnostic Tool | 6571050 Data-Link Adapter

Advanced Vehicle Communication Interface for Truck Diagnostics

The Cummins USB‑Link 3 Data‑Link Adapter is a next-generation vehicle communication interface (VCI) designed for professional diagnostics of modern heavy-duty trucks and engines.

Developed for use with Cummins diagnostic solutions, this powerful adapter provides fast and reliable communication between a vehicle’s electronic control modules (ECM) and diagnostic software.

The USB-Link 3 supports the latest vehicle communication technologies such as CAN FD and Diagnostics over IP (DoIP), making it ideal for diagnosing modern diesel engines and electronic vehicle systems.

Compatible Diagnostic Software

The Cummins USB-Link 3 adapter works with many OEM and third-party diagnostic programs used in truck and fleet maintenance.

Supported software includes:

• Cummins INSITE

• Cummins PowerSpec

• Detroit Diesel Diagnostic Link

• CAT Electronic Technician

• Navistar ServiceMaxx

• Volvo Premium Tech Tool

• Allison DOC

• Eaton ServiceRanger

• Bendix ACom

• WABCO Toolbox

• Freightliner ServiceLink

⚠️ Note: The adapter is supplied without diagnostic software.

Multiple Connection Options

The USB-Link 3 provides flexible connectivity options for technicians working in workshops or in the field.

USB 2.0 Connection

Direct wired connection to PC or tablet for stable, high-speed communication.

Bluetooth 5.0

Wireless diagnostics with reliable long-range connectivity.

Dual-Band Wi-Fi

Supports 802.11 a/b/g/n (2.4 GHz and 5 GHz) for fast wireless data transmission during diagnostics.

Comprehensive Protocol Support

The adapter supports a wide range of heavy-vehicle communication protocols used in modern and legacy vehicles:

• CAN FD / J1939 FD

• ISO 15765 FD

• Diagnostics Over IP (DoIP)

• Single Wire CAN (SWCAN)

• J1708

• J1850 VPW

• ISO 9141 / KWP2000

• ALDL

The interface is fully compliant with the TMC RP1210 standard, ensuring compatibility with most professional vehicle diagnostic software.

Cross-Platform Compatibility

The Cummins USB-Link 3 is designed to work across multiple operating systems:

• Windows® 10

• Windows® 11

• iOS

• Android

This allows technicians to perform diagnostics using laptops, tablets, or mobile devices.

Replacement for Cummins INLINE 7

The USB-Link 3 adapter replaces the older Cummins INLINE 7 Data Link Adapter, introducing significant improvements in speed, connectivity, and protocol support.

Key improvements include:

• Support for modern vehicle protocols such as CAN FD and DoIP

• Faster diagnostic communication

• Improved wireless connectivity with Wi-Fi and Bluetooth 5.0

• Enhanced data processing performance

• Better compatibility with new truck models

This upgrade ensures technicians can diagnose the latest vehicles and engine control systems efficiently.

Benefits for Truck Workshops

Using the Cummins USB-Link 3 diagnostic interface allows technicians to:

• Diagnose engine and vehicle faults quickly

• Access ECU data and parameters in real time

• Perform advanced troubleshooting and maintenance

• Work with multiple OEM diagnostic software tools

• Reduce vehicle downtime and improve repair efficiency

Package Contents

The Cummins USB-Link 3 diagnostic kit includes:

• Cummins USB-Link 3 Interface

• USB connection cable

• 6-Pin diagnostic cable

• 9-Pin diagnostic cable

• 3-Pin backbone cable

• Rugged protective case