J1708 - J1939 Converter
Convert data from J1708 to J1939 with an integrated programmable switch module and selectable 250/500 kbps communication.


J1708 to J1939 Converter
This converter interprets data coming from the engine computer through the J1708 network and translates it for cab-side systems operating on J1939. It is ideal for applications where the engine, ECM, or original vehicle network still uses J1708, but the new or adapted cab requires J1939 communication.
The device is designed to support cab integration, signal conversion, and programmable switch functions in one compact module.
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J1708 to J1939 Converter
The Real Problem: J1708 to J1939 Communication Gap
Some engine ECMs still communicate through J1708, while newer or replacement cabs require J1939. Without the correct conversion, the cab may not receive the data it needs—causing missing information, dashboard errors, or communication issues.
The INPRONIC J1708 to J1939 Converter:
- ✔ Reads J1708 engine data
- ✔ Converts it to J1939 cab communication
- ✔ Supports 250 kbps or 500 kbps J1939 output
- ✔ Includes an integrated switch module and provides programmable outputs for cab functions
One Device for Conversion and Cab Control
More than a protocol converter, this device combines J1708 to J1939 communication with an integrated programmable switch module for cab-side functions.
- Interprets J1708 data from the engine ECM
- Converts it into J1939 communication for the cab network
- Allows selection between 250 kbps and 500 kbps J1939 output
- Integrates programmable switch outputs in the same unit
- Designed for cab integrations, dashboard replacements, and heavy-duty retrofits
A practical solution for applications where legacy engine communication must work with modern J1939 cab systems.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Bridge J1708 Engine Data to J1939 Cab Systems
Convert J1708 engine data into J1939 cab communication for dashboard integrations, cab replacements, and heavy-duty retrofit projects.
Free shipping in the U.S.



