X0202 4 2005-05-31 0000775158 OSHKOSH TRUCK CORP OSK 0000946836 MOSLING STEPHEN P C/O OSHKOSH TRUCK CORPORATION 2307 OREGON STREET OSHKOSH WI 54902-7062 1 0 0 0 Common Stock 2005-05-31 4 S 0 13400 79.714 D 495901 D Common Stock 2005-06-01 5 G 0 25000 D 470901 D Common Stock 100000 I As Trustee for Melissa Mosling Represents weighted average price. Individual sales by lot ranged from $79.50 to $80.23. The reported transaction is a gift for which the reporting person received no consideration. The reporting person disclaims beneficial ownership of the reported shares. Stephen P. Mosling 2005-06-02