Oshkosh Defense manufactures the most reliable, best-performing trucks in the world. Not surprisingly, Oshkosh Defense Aftermarket also provides the best, most trusted maintenance services you can find anywhere.

We currently have more than 100 service locations and are support units in the United States, Europe, Asia, the Middle East and aboard ships worldwide.

Our Field Service Representatives (FSRs) are stationed at key military posts and are highly experienced in equipment operation, maintenance, diagnostics and training. Regional support staff is located throughout the world, providing you with a direct personal link to Oshkosh Defense Aftermarket, no matter where you are or what you need.

Parts kits are available for many of your service needs. Whether it is annual service, upgrades, auxiliary systems or fleet modernization through technology insertion, getting all the parts you need, at one time, from one source, will save you time and money. Contact our FASTSM Service Network 7 days a week, 24 hours a day.

Combined with our network of vehicle repair solutions, maintenance services, and recap services, Oshkosh Defense Aftermarket provides an unparalleled level of support anywhere in the world.

Oshkosh Defense customers depend on our products to perform in the most demanding circumstances. Defense Aftermarket will help insure their success at any time and any place. To accomplish this, we produce industry-leading product operation and maintenance training, field service support, product support manuals, and a broad range of parts and kits.

Fulfilling our customers’ expectations is our highest priority. We are committed to satisfying our customers through continuously improving our processes and quality of service.