NavKal™ is an Electronic Control Module (ECM) programming software for Navistar® & MaxxForce™ Engines. NavKal has two available options – NavKal and NavKal Pro

Choose the option that is best for you.


Minimum System Requirements
  • Windows 7
  • 1GHz Intel Core 2 Duo, AMD Athlon X2 or better
  • 2GB (32-bit) or 4GB (64-bit) of RAM
  • 300MB of available hard disk space
  • 1024 x 768 resolution monitor
  • One or more RP1210A compatible communication devices with SAE J1708 and/or SAE J1939 support
Recommended Adapters
  • NEXIQ™ Technologies – USB-Link2
  • Dearborn Group Technologies – DPA 5
  • Noregon® Systems, Inc. – DLA+, DLA+ Wireless

NOTE: Please refer to each manufacturer’s website for additional information.

Programming changes not supported outside of the Navistar Dealer Network.
  • Emission Changes Involving Emissions Label Replacements
  • Horsepower Upgrades
  • Engine/Exhaust Brake Additions
  • Engine Replacement Programming
  • Component Serial Number Updates
Installation Instructions


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Reference Materials 
pdf-iconNavKal User Guide
pdf-iconQuick Reference Guide
pdf-iconNavKal Sell Sheet
linksNavKal Change Log