Vehicle sustainment is every bit as important as design and manufacturing. You’ve made an investment in your fleet and we want you to get the most from it. You’re Operational Readiness is imperative to get the job done so you can count on our spare parts, training and field service solutions. You can customize how you advance your fleet with full-scale resets, engineering enhancements and modular kit upgrades.Learn more about our sustainment services.
Whether we are working on Navistar Defense vehicles or those of another manufacturer, you can count on us for complete OEM quality lifecycle support.
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Our 630+ Field Service Representatives are deployed to support forward operations in Iraq, Afghanistan and around the globe.
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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