
Cummins USB-Link 3
The Cummins USB-Link 3 Wireless is a professional vehicle datalink adapter designed for use with Cummins diagnostic applications and a broad range of supported OEM and third-party service tools.
Part #6571050 is the wireless DLA kit supplied with the heavy-duty 9-pin vehicle cable. The interface can connect to a compatible PC through USB, Bluetooth, or Wi-Fi, giving technicians flexibility for both wired and wireless diagnostic work.
The Cummins USB-Link 3 supports current heavy-duty communication technologies including CAN FD, J1939 FD, and Diagnostics over Internet Protocol (DoIP), while maintaining support for widely used legacy commercial-vehicle protocols. It is compliant with the TMC RP1210 standard and supports communication speeds up to 1 Mb/s.
Key Capabilities
- USB, Bluetooth, and Wi-Fi connectivity
- Designed for Cummins and supported multi-brand diagnostic applications
- TMC RP1210 compliant
- CAN FD and J1939 FD communication
- Diagnostics over Internet Protocol (DoIP)
- Communication speeds of 250K, 500K, and up to 1 Mb/s
Technical Specifications
Manufacturer: Cummins
Manufacturer Part Number: CUM6571050
VCI Compatibility: Universal
Connection Type: USB / Bluetooth / Wi-Fi / Wireless
Supported Protocols: J1708 – ISO 14230-1 (K line) and ISO 14230-2 (K/L line), J1587 – ISO 14230-4 (L line), J1939 – ISO 11898 (vehicle bus), ISO 15765 – ISO 14230-3 (K line), ISO 9141 – ISO 14230-1 (K line), ISO 14230 – ISO 14230-2 (K/L line), KWP2000 – ISO 14230 (K and L line), CAT Data Link (CDL) – Cummins proprietary data link protocol
Compatible Software / OEMs: Cummins, Detroit, PACCAR, Bendix, WABCO, Hino, Navistar, Allison
Warranty: 1 Year Manufacturer Warranty
What's Included
- Cummins USB-Link 3 Interface Adapter
- 9-Pin Deutsch Cable
- 6-Pin Cable
- 3-Pin Backbone Cable
- Latching USB Cable (for PC connection)
- Rugged Carrying/Storage Case
Important: Diagnostic, programming, and service capabilities depend on the software application, vehicle or control module being serviced, and applicable software subscriptions or authorization. Software subscriptions are sold separately unless specifically stated otherwise.



