We are proud to be a part of Navistar, one of the world's leading manufacturers of commercial trucks, buses, defense vehicles and engines. Since 1831, our history has been interwoven with some of the biggest innovations in the industry. Wherever ingenuity drives global markets, you'll find Navistar taking the lead.

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More than 600 OEM and ASE certified technicians worldwide.

Navistar Defense field service reps with U.S. Army personnel at FOB Liberty in Iraq

Navistar Defense currently deploys more than 600 OEM & ASE certified field service representatives all over the world to provide:

  • Basic vehicle maintenance
  • Preventative checks and service
  • Battle damage assessment and repair
  • Component overhaul management
  • Advanced systems diagnostics
  • Operator and maintenance new equipment training

Bringing our expertise to you.

We build military vehicles that are ready to go where the mission is. So we train our field service representatives to do the same. From the home front to forward operating bases, our service reps bring the latest repair and maintenance skills where they’re needed most.

Our field service reps become part of the team.

For Jeff Couture is a Field Service Rep currently serving in Afghanistan with the US Military. He says it is a humbling experience to be performing critical maintenance on Navistar Defense as well as other manufacturer’s vehicles at a forward operating base. Jeff, like hundreds of other Navistar FSRs, trained and worked alongside military personnel around the clock to ensure that all vehicles were mission ready when needed.


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Military Spares Catalogue

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Field Service

We prepare our field service reps to handle the most complex vehicle needs facing our troops.

Navistar FSRs are the only ones to be complete OEM certified training courses at our OEM Academy (West point MS).

Our Support

Where ever you need support, Navistar has the reach to be there.

Navistar has nearly 800+ parts and service locations globally. That means we can get you what you need when you need it. Anywhere.


Success Story:

Doing whatever it takes to keep you rolling.

Navistar Defense doesn't just build better vehicles. We build better customer relationships - because we hold ourselves accountable for keeping you mission ready.




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