The 100s - 6-axle EMDs

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 100	SD20	Jul-1996	21-Jun-2001	5602-B19	25406	Returned
IAIS 101	SD20	Jun-1996	10-Jul-2001	5602-B39	25426	Returned
IAIS 102	SD20	May-1996	17-May-2001	5602-B41	25428	Returned
IAIS 103	SD20	Jun-1996	6-Jun-2001	5606-16	25613	Returned
IAIS 150	SD38-2	23-Sep-2005		786142-2		Active
IAIS 151	SD38-2	23-Sep-2005		786142-5		Active
IAIS 152	SD38-2	30-Oct-2006		786142-7		Active
IAIS 153	SD38-2	21-May-2006		786142-9		Active
IAIS 154	SD38-2	17-Jan-2007	21-Jan-2015	786142-3		Returned
IAIS 155	SD38-2	10-Mar-2007	21-Jan-2015	786142-4		Returned
IAIS 156	SD38-2	6-Dec-2007	2-Apr-2015	786142-1		Returned
IAIS 157	SD38-2	14-Dec-2007	2-Apr-2015	786142-8		Returned

The Switchers (162 & 250)

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 162	SW9	~1986	Aug-1987	4098-9	14906	Returned
IAIS 250	SW1200	Jun-1987	Sep-2007	4491-20	31247	Sold

The 300s - First Generation Geeps

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 300	GP9	Aug-1985	Sep-1994	5407-1	20606	Sold
IAIS 303	GP9	Jun-1986	May-2005	5453-27	21712	Sold
IAIS 304	GP9	Sep-1986	Oct-1987	5407-5	20700	Scrapped
IAIS 306	GP9	Aug-1986	Sep-1994	5407-7	20754	Sold
IAIS 308	GP9	Oct-1986	Dec-1988	5407-8	20755	Scrapped
IAIS 309	GP7	Jun-1986	Sep-1994	6442-1	17571	Returned
IAIS 325	GP7	Jun-1986	1-Nov-2004	5305-6	18716	Sold

The 400s - Rebuilt First Generation Geeps

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 400	GP7M	Jan-1988	10-Dec-2008	5155-13	17606	Sold
IAIS 401	GP10	Oct-1984	May-2005	5307-2	18798	Sold
IAIS 402	GP10	May-1988	May-2005	5480-36	22308	Sold
IAIS 403	GP10	May-1988	9-Nov-2008	5553-27	23826	Sold
IAIS 404	GP10	Oct-1984	Jun-1994	5307-5	18801	Sold
IAIS 405	GP8	Apr-1988	May-2005	5029-10	11041	Sold
IAIS 406	GP10	Apr-1988	Dec-1988	5480-50	22322	Scrapped
IAIS 407	GP8	Jul-1989	29-Oct-2004	6117-5	11053	Sold
IAIS 408	GP8	Jul-1989	May-2005	6117-6	11054	Sold
IAIS 413	GP10	Oct-1984	May-2005	5383-11	20292	Sold
IAIS 414	GP10	Oct-1984	May-1994	5307-15	18811	Sold
IAIS 430	GP10	Oct-1984	May-1994	5307-31	18827	Sold
IAIS 431	GP10	Oct-1984	May-2005	5307-32	18828	Sold
IAIS 436	GP10	Oct-1984	Dec-1994	5307-37	18833	Sold
IAIS 451	GP8	Feb-1985	Jan-1995	5192-2	16406	Sold
IAIS 457	GP8	Feb-1985	Dec-1994	5122-5	16404	Sold
IAIS 464	GP8	Jan-1985	Sep-1994	6497-7	17747	Sold
IAIS 466	GP8	Oct-1984	6-Jun-2006	6497-9	17749	Retired
IAIS 468	GP8	Jan-1985	9-Nov-2008	6496-1	17727	Sold
IAIS 469	GP8	Feb-1985	Sep-1994	6496-2	17728	Sold
IAIS 470	GP10	Oct-1984	Sep-1988	5378-3	20149	Sold
IAIS 471	GP8	Oct-1984	Sep-1994	6496-4	17730	Sold
IAIS 473	GP10	Oct-1984	Jun-1994	5378-6	20152	Sold
IAIS 476	GP8	Jan-1985	Aug-2001	6496-9	17735	Scrapped
IAIS 479	GP8	Jan-1985	Sep-1994	6496-12	17738	Sold
IAIS 481	GP8	Oct-1984	4-Dec-2009	6496-14	17740	Retired
IAIS 483	GP10	Oct-1984	May-2005	5378-16	20182	Sold
IAIS 484	GP10	Oct-1984	29-Oct-2004	5378-17	20163	Sold
IAIS 485	GP11	28-Mar-2000	10-Dec-2009	5359-7	19774	Sold
IAIS 495	GP16	Dec-1992	9-Nov-2008	5099-9	13928	Sold

The 500s - GE ES44ACs

Unit	Model	From	To	Build Date	Builder #	Status
IAIS 500	ES44AC	20-Nov-2008		Jul 2008	59419	Active
IAIS 501	ES44AC	18-Oct-2008		Jul 2008	59420	Active
IAIS 502	ES44AC	18-Sep-2008		Jul 2008	59421	Active
IAIS 503	ES44AC	4-Nov-2008		Jul 2008	59422	Active
IAIS 504	ES44AC	27-Oct-2008		Jul 2008	59423	Active
IAIS 505	ES44AC	15-Oct-2008		Jul 2008	59424	Active
IAIS 506	ES44AC	5-Oct-2008		Jul 2008	59425	Active
IAIS 507	ES44AC	26-Sep-2008		Jul 2008	59426	Active
IAIS 508	ES44AC	27-Oct-2008		Jul 2008	59427	Active
IAIS 509	ES44AC	26-Sep-2008		Jul 2008	59428	Active
IAIS 510	ES44AC	18-Sep-2008		Jul 2008	59429	Active
IAIS 511	ES44AC	10-Nov-2008		Jul 2008	59430	Active
IAIS 512	ES44AC	29-Oct-2009		2009		Active
IAIS 513	ES44AC	21-Jan-2010		2009	59529	Active
IAIS 514	ES44AC	24-Jan-2015		Dec 2014		Active
IAIS 515	ES44AC	24-Jan-2015		Dec 2014		Active
IAIS 516	ES44AC	27-Feb-2015		Dec 2014		Active
IAIS 517	ES44AC	2019 Q4 Delivery		Sep 2019	66132	Ordered
IAIS 518	ES44AC	2019 Q4 Delivery		Oct 2019	66133	Ordered
IAIS 519	ES44AC	2019 Q4 Delivery		Nov 2019	66134	Ordered

The 600s - Second Generation Road Power

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 600	GP38	Feb-1988	Jan-2007	7076-1	33797	Sold
IAIS 601	GP38	Dec-1989		7938-1	32495	Active
IAIS 602	GP38	Nov-1989	Jan-2007	7938-4	32608	Sold
IAIS 603	GP38	Feb-1996	Jan-2007	7240-12	36012	Sold
IAIS 604	GP38	May-1996	Jan-2007	7060-74	33704	Sold
IAIS 625	GP38AC	Jul-1994	30-Oct-2007	5786-1	36079	Sold
IAIS 626	GP38AC	Sep-1994	30-Oct-2007	5786-5	36083	Sold
IAIS 627	GP38AC	Sep-1994	30-Oct-2007	5786-9	37452	Sold
IAIS 628	GP38AC	Jul-1994	28-Jan-2009	7304-2	36087	Sold

The 650s - Slugs

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 650	SLUG	Jun-2007		n/a	n/a	Active
IAIS 651	SLUG	23 Apr 2011		n/a	n/a	Active

The 700s - Modern 4-Axle Road Power

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 700	GP38-2	22 Dec 2004		7354-1		Active
IAIS 701	GP38-2	15 Oct 2004		7354-3		Active
IAIS 702	GP38-2	27 Nov 2004		7354-5		Active
IAIS 703	GP38-2	13 Nov 2004		7354-10		Active
IAIS 704	GP38-2	13 Dec 2004	24 May 2013	7354-15		Sold
IAIS 705	GP38-2	15 Oct 2004		7354-26		Active
IAIS 706	GP38-2	11 Aug 2004	24 May 2013	7354-30		Sold
IAIS 707	GP38-2	27 Sep 2004		7354-33		Active
IAIS 708	GP38-2	14 Sep 2004		7354-35		Active
IAIS 709	GP38-2	14 Sep 2004	24 May 2013	7354-38		Sold
IAIS 710	GP38-2	27 Sep 2004		7354-43		Active
IAIS 711	GP38-2	14 Sep 2004		7354-45		Active
IAIS 712	GP38-2	27 Jan 2005		7354-55		Active
IAIS 713	GP38-2	22 Dec 2004		7354-57		Retired
IAIS 714	GP38-2	14 Sep 2004		7354-66		Active
IAIS 715	GP38-2	27 Nov 2004		7354-74		Active
IAIS 716	GP38-2	27 Nov 2004		7354-78		Active
IAIS 717	GP38-2	13 Dec 2004	24 May 2013	7354-80		Sold
IAIS 718	GP38-2	11 Aug 2004		7354-81		Active
IAIS 719	GP38-2	31 Dec 2004		7354-96		Active
IAIS 720	GP38-2	4 Jan 2004		7354-75		Active
IAIS 721	GP38-2	25 Oct 2004		7354-100		Active

The 800s and 900s - MLWs & Alcos

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 800	M420R	Aug-1994	Mar-2005		M6075-01	Sold
IAIS 801	M420R	Jul-1994	Mar-2005		M6086-01	Sold
IAIS 802	M420R	Aug-1994	Mar-2005		M6086-03	Sold
IAIS 850	C420	Dec-1993	10-Aug-1999		3463-01	Sold
IAIS 900	RS-36	Oct-1988	8-Sep-1999		84397	Sold

The Chinese QJ 2-10-2 Steam Locomotives

Unit	Model	From	To	Frame #	Builder #	Status
IAIS 6988	QJ 2-10-2	Jun 2006				Active
IAIS 7081	QJ 2-10-2	Jun 2006				Active

Lease Units

Unit	Model	From	To	Frame #	Builder #	Status
LLPX 2017	GP38	22-Oct-2002	25-Jan-2005	7291-48	36974	Returned
LLPX 2021	GP38	31-Oct-2002	18-Mar-2003	7291-29	36955	Returned
LLPX 2031	GP38	22-Oct-2002	16-Dec-2004	7191-53	35356	Returned
LLPX 2033	GP38	27-Dec-2001	16-Nov-2004	7191-64	35367	Returned
LLPX 2039	GP38	31-Oct-2002	27-Dec-2004	7274-28	36693	Returned
LLPX 2040	GP38	4-Feb-2002	16-Nov-2004	7060-41	33358	Returned
LLPX 2042	GP38	16-Dec-2001	16-Nov-2004	7291-8	36934	Returned
LLPX 2043	GP38	23-Jan-2002	27-Dec-2004	7291-25	36951	Returned
LLPX 2802	SD38-2	2-Aug-2004	23-Sep-2005	786142-2	n/a	Purchased
LLPX 2805	SD38-2	28-Aug-2004	23-Sep-2005	786142-5	n/a	Purchased
LLPX 2807	SD38-2	28-Aug-2004	30-Oct-2006	786142-7	n/a	Purchased
LLPX 2809	SD38-2	16-Aug-2004	May-2006	786142-9	n/a	Purchased
GMTX 2668	GP38-2	28-Nov-2006	30-Aug-2008	7056-07	33480	Returned
GMTX 2672	GP38-2	28-Nov-2006	30-Aug-2008	7275-18	36738	Returned
OHCR 4223	SD40-2	26-Sep-2005	28-Feb-2006	776099-8	n/a	Returned
OHCR 9917	SD40-2	1-Oct-2005	28-Feb-2006	75616-11	n/a	Returned
OHCR 9934	SD40-2	1-Oct-2005	28-Feb-2006	786178-5	n/a	Returned
OHCR 9940	SD40-2	26-Sep-2005	28-Feb-2006	786182-1	n/a	Returned