J1939 to J1708 Engine Data Bus Translator

The TMT3978 TranslatorTB is ideal for applications which combine newer J1939 installations with J1587/J1708 engines.

  • Customer Review: "...the install was a success. Needless to say "I'm thrilled" with the translators! Your product solved the problem."
      -Kevin King
  • Need Help? CAI Provides No-cost Technical Support for the Lifetime of the Product.
    • Translates J1939 -> J1587/J1708
    • Large number of standard parameters supported out of the box
    • Ready to use, pre-configured for plug and play convenience
    • Built durable for the rigors of Marine, Automotive, Truck, Off-Road and transportation industries
    • Polycarbonate enclosures for long lasting durability
    • Competitively priced with unparalleled customer service
    How to Buy

    • Connect over USB to a PC using our free CAI ToolBox Software
    • Scan the databus for a complete list of available devices and parameters Example Scan
    • Diagnose communication problems
    • Browse historical log information including databus errors, trouble codes, and more
    • Upgrade the TranslatorTB in the field
    Need a J1708 TranslatorTB instead?
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