Virksomheden blev etableret i 1917 som ''Wisconsin Duplex Auto Company''.<ref name=thestreet>Scott Eden, "[http://www.thestreet.com/story/10629025/2/the-war-within-the-deal-that-saved-oshkosh.html The War Within: The Deal that Saved Oshkosh] {{Webarchive|url=https://web.archive.org/web/20160304115257/http://www.thestreet.com/story/10629025/2/the-war-within-the-deal-that-saved-oshkosh.html |date=March 4, 2016 }}", TheStreet.com, November 19, 2009.</ref><ref name="companytimeline">[http://www.oshkoshcorporation.com/about/company_history~timeline.cfm] {{webarchive|url=https://web.archive.org/web/20090318140231/http://www.oshkoshcorporation.com/about/company_history~timeline.cfm|date=March 18, 2009}}</ref>
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