0000775158 2026-05-08 2026-05-08 false 0000775158 8-K 2026-05-08 Oshkosh Corporation WI 1-31371 39-0520270 1917 Four Wheel Drive Oshkosh WI 54902 920 502-3400 false false false false Common Stock ($0.01 par value) OSK NYSE false