X0303 4 2009-03-06 false 0000040211 GATX CORP GMT 0001349227 Sutherland David C/O 222 W. ADAMS ST. CHICAGO IL 60606 true false false false Common Stock 2009-03-06 4 P false 100 14.66 A 14388.3504 D Common Stock 2009-03-06 4 P false 100 14.63 A 14488.3504 D Common Stock 2009-03-06 4 P false 100 14.57 A 14588.3504 D Common Stock 2009-03-06 4 P false 100 14.68 A 14688.3504 D Common Stock 2009-03-06 4 P false 200 14.59 A 14888.3504 D Common Stock 2009-03-06 4 P false 100 14.54 A 14988.3504 D Common Stock 2009-03-06 4 P false 300 14.91 A 15288.3504 D Common Stock 2009-03-06 4 P false 100 14.79 A 15388.3504 D Common Stock 2009-03-06 4 P false 100 14.92 A 15488.3504 D Common Stock 2009-03-06 4 P false 200 14.89 A 15688.3504 D Common Stock 2009-03-06 4 P false 100 14.81 A 15788.3504 D Common Stock 2009-03-06 4 P false 100 15 A 15888.3504 D Common Stock 2009-03-06 4 P false 200 14.88 A 16088.3504 D Common Stock 2009-03-06 4 P false 100 14.8 A 16188.3504 D Common Stock 2009-03-06 4 P false 100 15.09 A 16288.3504 D Lisa M. Ibarra, by Power of Attorney on behalf of David S. Sutherland 2009-03-10