Sunday, April 19, 2026

WHY THEY DISCONTINUED CAT ENGINES FOR INTERNATIONAL TRUCKS ?


 Currently, International (Navistar) does not manufacture engines or trucks in collaboration with CAT (Caterpillar). However, there was a very close partnership between these two companies in the past. Here are some key facts about it:

Past Collaboration

  • Use of CAT Engines for Older Models: Highly popular and powerful CAT engines were used to power many International trucks manufactured before 2010. Specifically, engines like the CAT C15, C13, and C9 are great examples of this.

  • Production of CAT Vocational Trucks: Between 2011 and 2016, CAT and Navistar (International) jointly introduced a line of heavy-duty vocational trucks to the market. The CAT CT660, CT680, and CT681 were the models in this lineup.

  • Manufacturing and Branding: Although these trucks were designed and manufactured by International, they were sold under the CAT brand name.

  • Rebranded Engines: The engines used in these trucks, such as the CT13, were actually International's MaxxForce engines rebranded under the CAT name

  • Reasons for Ending the Partnership

    • Emission Standards: Due to the technical and financial challenges of complying with the strict EPA emission standards introduced in the United States, CAT decided to completely stop manufacturing engines for on-highway trucks in 2010.

    • Market Exit: Later, in 2016, CAT completely withdrew from the on-highway truck market as well. With this move, their manufacturing agreement with International officially came to an end.

    Therefore, no new International trucks manufactured today use CAT engines. Currently, they rely entirely on their own latest engines (like the S13 and A26 mentioned earlier) as well as Cummins engines.




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