
Cummins INLINE 8
The Cummins INLINE 8 is a professional datalink adapter designed to connect Cummins diagnostic and service software to supported vehicle and engine electronic control systems. It provides reliable communication between a Windows PC and the vehicle network for diagnostics, troubleshooting, service procedures, and supported electronic service functions.
INLINE 8 is designed to work seamlessly with Cummins INSITE and Guidanz while also supporting a range of Cummins, OEM, and third-party service and information tools. The adapter can communicate with ECUs across the vehicle, including supported engine, transmission, braking, and chassis systems.
For flexible shop and field use, INLINE 8 supports wired USB communication as well as Bluetooth 5.1 and dual-band Wi-Fi. It is also Diagnostics over Internet Protocol (DoIP) ready and supports current high-speed vehicle-network communication up to 1 Mb/s.
Key Capabilities
- USB, Bluetooth, and dual-band Wi-Fi PC connectivity
- Designed for Cummins INSITE and Guidanz diagnostic applications
- RP1210 and RP1227 compliant
- Diagnostics over Internet Protocol (DoIP) ready
- Supports communication speeds of 250K, 500K, and up to 1 Mb/s
- Compatible with supported Cummins, OEM, and third-party service applications
Technical Specifications
Manufacturer: Cummins
Manufacturer Part Number: CUM6576526
VCI Compatibility: OEM
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 Insite
Warranty: 1 Year Manufacturer Warranty
What's Included
- Cummins INLINE 8 Data Link Adapter – Main hardware connecting the engine to a PC, laptop, or mobile device
- USB cable – For wired connection to a computer
- 6-pin Deutsch adapter – For certain Cummins data link interfaces
- 9-pin Deutsch adapter – For older or specific Cummins connectors
- 3-pin / 2-pin / 2-pin adapter – For compatibility with different connector types
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.



