OSK Oshkosh Corporation

Filed pursuant to Rule 433
Registration File No. 333-228500

Supplementing the Preliminary Prospectus
Supplement dated February 11, 2020
(To Prospectus dated November 20, 2018)

*Note: A securities rating is not a recommendation to buy, sell or hold securities and may be revised or withdrawn at any time.

**It is expected that delivery of the notes will be made against payment therefore on or about February 26, 2020, which is the tenth business day following the date hereof (such settlement cycle being referred to as “T+10”). February 17, 2020 (Presidents’ Day) will not be considered a business day for the purposes of this calculation. Under Rule 15c6-1 under the Securities Exchange Act of 1934, as amended, trades in the secondary market generally are required to settle in two business days unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the notes on the date hereof or the next seven succeeding business days will be required, by virtue of the fact that the notes initially will settle on T+10, to specify an alternative settlement cycle at the time of any such trade to prevent failed settlement. Purchasers of the notes who wish to trade the notes on the date of pricing should consult their own advisors.

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates.  Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering.  You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov.  Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling BofA Securities, Inc. toll-free at (800) 294-1322; J.P. Morgan Securities LLC collect at (212) 834-4533; or Wells Fargo Securities, LLC toll-free at (800) 645-3751.

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