CAT® Data Link to J1939 Converter

Easily add a J1939 interface to Caterpillar® engines, generators, and equipment.
  • Connect over USB to a PC using our free CAI ToolBox Software
  • Scan the CDL databus for a complete list of available devices and parameters.
  • Diagnose communication problems.
  • Scan the CDL databus for a complete list of available devices and parameters.
  • Browse historical log information including databus errors, trouble codes and more.
  • Upgrade the TMTCDL39 in the field.
How to Buy

Need Help? CAI Provides No-cost Technical Support for the Lifetime of the Product.
  • Supports all Caterpillar engines with the CAT Data Link protocol.
  • Factory configured for plug and play installation.
  • Translates a wide variety of engine and transmission information.
  • Translates active and inactive diagnostic trouble codes.
  • Custom programming available. Contact us for more information.
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Ph: 780-963-8930
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