Iowa Interstate Railroad, Ltd.      ES44AC

IAIS ES44AC 507 (23.09.2008, Kansas City, MO)	IAIS ES44AC 507 (23.09.2008, Kansas City, MO)	IAIS ES44AC 509 (18.03.2010, Iowa City, IA)	IAIS ES44AC 510 (15.09.2008, Kansas City, MO)
IAIS ES44AC 510 (15.09.2008, Kansas City, MO)	IAIS ES44AC 511 (15.09.2012, Blue Island, IL)	IAIS ES44AC 514 (29.09.2018, Blue Island, IL)