| No. | Model | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|
| 9900 | AA | CB&Q | Museum of Science & Industry, Chicago, IL | display | EMD, 04/1934 | Pioneer Zephyr |
| 1100 (939) | FP10 | SCMB (B&O) | rail yard, East St. Louis, IL | stored | EMD | Previously owned by Iowa Pacific Holdings. Moved from the Rio Grande Scenic in Alamosa, CO. Sold to BUGX. Moved to a yard in East St. Louis, IL. This locomotive was operational but current status is unknown. |
| 84 (165) | FP10 | SCMB (B&O) | rail yard, East St. Louis, IL | stored | EMD, 12/1948 | Owned by Iowa Pacific Holdings. For sale. Moved from the Rio Grande Scenic in Alamosa, CO to a yard in East St. Louis, IL. Was operational but current status is unknown. |
| 1751 (6506) | FP9A | BUGX (CN) | Keokuk Junction Railway, La Harpe, IL | unknown | EMD, 11/1954 | Was seen in Tehachapi, CA in 2022 and in Gallup, NM in 2024. Current location unknown. |
| 102 (1549) | RS-3 | Pioneer Rail (CNJ) | Keokuk Junction Railway, La Harpe, IL | stored | Alco, 03/1953 | |
| 401 (726) | F7A | Pioneer Lines (B&LE) | Keokuk Junction Railway, Mapleton, IL | stored | EMD, 02/1953 | From Gettysburg, PA. |
| 44 | 44 Tonner | Lincoln Sand & Gravel | Monticello Railway Museum, Monticello, IL | display | Davenport Locomotive, 1940 | |
| 5764 | E8A | Tennessee Central (PRR) | Monticello Railway Museum, Monticello, IL | operational | EMD, 1954 | From Tennessee Central. Being restored to IC 4044. |
| 102 (9940A) | E9A | CNR (CB&Q) | Monticello Railway Museum, Monticello, IL | operational | EMD, 01/1950 | Built as an E8A. Sold by the CNR and transferred from Homewood, IL in 2023. |
| 1189 | F7A | Wabash | Monticello Railway Museum, Monticello, IL | operational | EMD, 1953 | |
| 6789 | FPA-4 | CNR | Monticello Railway Museum, Monticello, IL | operational | MLW, 04/1959 | |
| 6862 | FPB-4 | CNR | Monticello Railway Museum, Monticello, IL | operational | MLW, 1958 | |
| 8733 (9386) | GP11 | IC | Monticello Railway Museum, Monticello, IL | operational | EMD, 1958 | |
| 1649 | NW2 | CMStP&P | Monticello Railway Museum, Monticello, IL | operational | EMD, 1947 | |
| 308 | RS-3 | Kankakee, Beaverville & Southern (Green Bay & Western) | Monticello Railway Museum, Monticello, IL | stored | Alco, 06/1955 | Privately owned. Stored at the museum. |
| 704 (1559) | RS-3 | IC (LIRR) | Monticello Railway Museum, Monticello, IL | display | Alco, 1955 | |
| 9838 | RS-3 | SRR | Monticello Railway Museum, Monticello, IL | display | Alco | Slug |
| 784 | SW1200 | Illinois Terminal | Monticello Railway Museum, Monticello, IL | display | EMD, 1955 | |
| 537 | Dash 8-40B | AT&SF | Railroad Heritage of Midwest America, Silvis, IL | operational | GE, 10/1990 | |
| 6936 | DDA40X | UP | Railroad Heritage of Midwest America, Silvis, IL | operational | EMD, 01/1971 | From Cheyenne. Donated to RRHMA, Silvis, IL. Only operational Centennial type and larges operating diesel-electric locomotive in the world. |
| 516 (5029A) | E8A | San Luis & Rio Grande (C&NW) | Railroad Heritage of Midwest America, Silvis, IL | scrapped | EMD, 06/1953 | |
| 521 (5023A) | E8A | San Luis & Rio Grande (C&NW) | Railroad Heritage of Midwest America, Silvis, IL | scrapped | EMD, 07/1951 | |
| 966B | E9B | UP | Railroad Heritage of Midwest America, Silvis, IL | stored | EMD, 07/1955 | From Cheyenne. Donated to RRHMA, Silvis, IL. Inoperable, being converted to steam generator car. |
| 1792 | 10 Tonner | Pullman | Illinois Railway Museum, Union, IL | display | Davenport Locomotive, 1928 | |
| 2 | 12DM38 | Joy Manufacturing | Illinois Railway Museum, Union, IL | display | Whitcomb Locomotive, 1951 | |
| 803 | 2-D+D-2 | Chicago South Shore & South Bend | Illinois Railway Museum, Union, IL | operational | GE, 1949 | |
| 25 Tonner | Lone Star Cement | Illinois Railway Museum, Union, IL | operational | GE, 1942 | ||
| 501 (7492) | 44 Tonner | Terra Cotta Industries (USAX) | Illinois Railway Museum, Union, IL | display | GE, 11/1943 | |
| 8537 | 45 Tonner | USAX (USAX) | Illinois Railway Museum, Union, IL | operational | GE, 01/1944 | |
| 945 | AEM-7 | Amtrak | Illinois Railway Museum, Union, IL | display | EMD, 1982 | |
| 606 | AS-616 | C&G | Illinois Railway Museum, Union, IL | display | Baldwin, 05/1951 | |
| 14 | B-1 | Cornwall Street Railway Light & Power (Springfield Terminal) | Illinois Railway Museum, Union, IL | display | Baldwin-Westinghouse, 1929 | |
| 1848 (8049) | B40-8 | UP (SSW) | Illinois Railway Museum, Union, IL | operational | GE, 08/1988 | |
| B-71 | Boxcab | Armco Steel | Illinois Railway Museum, Union, IL | restoration | Baldwin, 1930 | |
| 91 (3001) | Boxcab | Ingersoll-Rand (DL&W) | Illinois Railway Museum, Union, IL | stored | Alco-GE, 06/1926 | |
| 800 (18) | C424 | TP&W (Morristown & Erir) | Illinois Railway Museum, Union, IL | display | Alco, 09/1964 | |
| D16 | Crane | Milwaukee Electric Railway & Transport | Illinois Railway Museum, Union, IL | display | Brown Hoisting, 1923 | |
| X4 | Crane | Chicago Surface Lines | Illinois Railway Museum, Union, IL | display | Cincinnati Car Co., 1946 | Cab-on-flat crane. |
| 6930 | DDA40X | UP | Illinois Railway Museum, Union, IL | display | EMD, 08/1970 | |
| M-35 | Doodlebug | UP | Illinois Railway Museum, Union, IL | restoration | EMC, 01/1927 | |
| 21 | DT-6-6-2000 | MN&S | Illinois Railway Museum, Union, IL | display | Baldwin, 12/1948 | |
| 4601 | E-33 | Conrail | Illinois Railway Museum, Union, IL | stored | GE, 1956 | |
| 9911A | E5A | CB&Q | Illinois Railway Museum, Union, IL | operational | EMD, 02/1940 | Only surviving and operational E5A diesel locomotive. |
| 9976 | E8A | BN (CB&Q) | Illinois Railway Museum, Union, IL | operational | EMD, 09/1953 | |
| 515 (5029B) | E8A | Iowa Pacific (C&NW) | Illinois Railway Museum, Union, IL | operational | EMD, 06/1953 | Abandoned by the Iowa Pacific on a siding in Batesville, MS. Rescued by the IRM and restored. |
| 37A | E9A | CMStP&P | Illinois Railway Museum, Union, IL | stored | EMD, 04/1961 | |
| 33C (203C) | E9A | CMStP&P | Illinois Railway Museum, Union, IL | stored | EMD, 04/1956 | |
| 3 (9989A) | E9A | BN (CB&Q) | Illinois Railway Museum, Union, IL | operational | EMD, 01/1956 | |
| 102 (967B) | E9B | W&S (UP) | Illinois Railway Museum, Union, IL | operational | EMD, 09/1955 | From Janesville, WI. |
| 54 (614) | F40C | North Suburban Mass Transit (Metra) | Illinois Railway Museum, Union, IL | display | EMD, 05/1974 | |
| 231 | F40PHR | Amtrak | Illinois Railway Museum, Union, IL | operational | EMD, 09/1977 | |
| 411 (4082C) | F7A | C&NW | Illinois Railway Museum, Union, IL | operational | EMD | |
| 118C | F7A | CMStP&P | Illinois Railway Museum, Union, IL | operational | EMD, 11/1951 | |
| 308 (4083C) | F7A | Metra (C&NW) | Illinois Railway Museum, Union, IL | display | EMD, 10/1949 | |
| 96B | F7B | CMStP&P | Illinois Railway Museum, Union, IL | display | EMD, 01/1951 | |
| 1 (6700A) | F9A | BN (NP) | Illinois Railway Museum, Union, IL | operational | EMD, 01/1954 | Donated to the IRM in 1997. |
| 2 (7002C) | F9Bu | BN (NP) | Illinois Railway Museum, Union, IL | operational | EMD, 08/1954 | |
| 604 (314) | FA-2 | LIRR (L&N) | Illinois Railway Museum, Union, IL | restoration | Alco, 06/1956 | |
| 92 (102) | FP45 | AT&SF (CL&M) | Illinois Railway Museum, Union, IL | operational | EMD, 12/1967 | |
| 104C | FP7A | CMStP&P | Illinois Railway Museum, Union, IL | display | EMD, 09/1952 | |
| 4927 (4939) | GG1 | PRR (Amtrak) | Illinois Railway Museum, Union, IL | display | PRR, 1942 | |
| 1518 (852) | GP7 | C&NW | Illinois Railway Museum, Union, IL | operational | EMD, 10/1949 | |
| 4506 (4160) | GP7R | CRI&P (UP) | Illinois Railway Museum, Union, IL | operational | EMD, 10/1952 | |
| 1605 (3406) | GP9 | Illinois Terminal (N&W) | Illinois Railway Museum, Union, IL | operational | EMD, 08/1953 | |
| 18B | GTEL | UP (USAX) | Illinois Railway Museum, Union, IL | display | GE, 08/1960 | |
| 18 | GTEL | UP (USAX) | Illinois Railway Museum, Union, IL | display | GE, 08/1960 | |
| 760 (1802) | H-10-44 | CMStP&P (BN) | Illinois Railway Museum, Union, IL | operational | Fairbanks-Morse, 08/1944 | |
| 543 | H-12-44TS | AT&SF | Illinois Railway Museum, Union, IL | display | Fairbanks-Morse, 05/1956 | |
| 409 (1366) | H-20-44 | SWPC (UP) | Illinois Railway Museum, Union, IL | display | Fairbanks-Morse, 12/1947 | |
| 1603 | HH-660 | CMStP&P | Illinois Railway Museum, Union, IL | operational | Alco, 03/1939 | |
| 213 | Interurban | Chicago, North Shore & Milwaukee | Illinois Railway Museum, Union, IL | display | Cincinnati Car Co., 1919 | |
| 604 | Interurban | Chicago North Shore & Milwaukee | Illinois Railway Museum, Union, IL | display | Chicago & Milwaukee , 1914 | |
| M15 | Interurban | Milwaukee Electric Railway & Light | Illinois Railway Museum, Union, IL | operational | TMER&L, 1920 | |
| 640 | Interurban | Cincinnati & Lake Erie | Illinois Railway Museum, Union, IL | display | Cincinnati Car Co., 1930 | |
| 229 | Interurban | Chicago, North Shore & Milwaukee | Illinois Railway Museum, Union, IL | operational | Cincinnati Car Co., 1922 | |
| 218 | Interurban | Chicago, North Shore & Milwaukee | Illinois Railway Museum, Union, IL | display | Cincinnati Car Co., 1922 | |
| M1 | Interurban | Milwaukee Electric Railway & Transport | Illinois Railway Museum, Union, IL | display | TMER&L, 1917 | |
| JDT25 | Dupont | Illinois Railway Museum, Union, IL | operational | Plymouth, 1959 | ||
| D22 | Line car | Milwaukee Electric Railway & Transport | Illinois Railway Museum, Union, IL | display | TMER&L, 1907 | |
| 1100 | Line car | Chicago South Shore & South Bend | Illinois Railway Museum, Union, IL | operational | St. Louis Car, 1926 | |
| 373 | Line car | Chicago Transit Authority | Illinois Railway Museum, Union, IL | display | Cincinnati Car Co., 1924 | |
| 1702 (1507) | Line car | Illinois Terminal | Illinois Railway Museum, Union, IL | operational | Illinois Traction, 1922 | |
| E-110 | LS-1200 | Armco Steel | Illinois Railway Museum, Union, IL | display | Baldwin, 08/1951 | |
| 9930 (10) | RDC1 | C&NW (MBTA) | Illinois Railway Museum, Union, IL | operational | Budd, 04/1950 | |
| 1951 | RS-1 | GTW | Illinois Railway Museum, Union, IL | display | Alco, 11/1957 | |
| 400 | RS-11 | TP&W | Illinois Railway Museum, Union, IL | display | Alco, 11/1958 | |
| 200 | RS-3 | Minnesota Transfer | Illinois Railway Museum, Union, IL | operational | Alco, 10/1951 | |
| 30 | RS1325 | IRMX (CL&M) | Illinois Railway Museum, Union, IL | display | EMD, 09/1960 | |
| 2407 (841) | RSD-15 | Green Bay & Western (AT&SF) | Illinois Railway Museum, Union, IL | operational | Alco, 05/1960 | |
| 1689 | RSD-5 | C&NW | Illinois Railway Museum, Union, IL | operational | Alco, 09/1954 | |
| 4715 | S-Motor | Penn Central | Illinois Railway Museum, Union, IL | display | Alco-GE, 1906 | |
| 14 (5) | S1 | Nekoosa Paper (South Omaha Terminal) | Illinois Railway Museum, Union, IL | operational | Alco, 10/1947 | |
| 14 (9001) | SC | D&R (MP) | Illinois Railway Museum, Union, IL | display | EMC, 07/1937 | |
| 504 (6244) | SD24 | CB&Q (BN) | Illinois Railway Museum, Union, IL | operational | EMD, 05/1959 | |
| 6847 (3028) | SD40-2 | C&NW (UP) | Illinois Railway Museum, Union, IL | operational | EMD, 03/1974 | |
| 6847 | SD40-2 | C&NW | Illinois Railway Museum, Union, IL | operational | EMD, 03/1974 | |
| 7525 (6539) | SD45 | WC (BN) | Illinois Railway Museum, Union, IL | operational | EMD, 08/1971 | |
| 7009 | SD50 | IRMX (C&NW) | Illinois Railway Museum, Union, IL | operational | EMD, 11/1985 | |
| 1518 | SD7 | SP | Illinois Railway Museum, Union, IL | operational | EMD, 05/1952 | Prototype |
| 9400 | SD70MAC | BNSF (BN) | Illinois Railway Museum, Union, IL | display | EMD, 12/1993 | |
| 6976 (644) | SDP40F | BNSF (Amtrak) | Illinois Railway Museum, Union, IL | operational | EMD, 08/1974 | |
| D13 | Side Dump Motor | Milwaukee Electric Railway & Transport | Illinois Railway Museum, Union, IL | display | Differential Car, 1920 | |
| F305 | Snow plow | Chicago Surface Lines | Illinois Railway Museum, Union, IL | display | Chicago Surface Line, 1930 | |
| E223 | Snow sweeper | Chicago Surface Lines | Illinois Railway Museum, Union, IL | display | McGuire-Cummings, 1908 | |
| B48 | Snow sweeper | Milwaukee Electric Railway & Transport | Illinois Railway Museum, Union, IL | display | TMER&L, 1926 | |
| L4 | Steeplecab | Wisconsin Electric Power | Illinois Railway Museum, Union, IL | display | TMER&L, 1920 | |
| S105 | Steeplecab | Chicgo Transit Authority | Illinois Railway Museum, Union, IL | display | Baldwin-Westinghouse, 1920 | |
| 1 | Steeplecab | Toledo Edison | Illinois Railway Museum, Union, IL | display | GE, 1923 | |
| L3 | Steeplecab | Milwaukee Electric Railway & Light | Illinois Railway Museum, Union, IL | display | TMER&L, 1920 | |
| 4 | Steeplecab | Commonwealth Edison | Illinois Railway Museum, Union, IL | operational | Alco-GE, 1911 | |
| 300 | Steeplecab | Charles City Western | Illinois Railway Museum, Union, IL | operational | McGuire-Cummings, 1915 | |
| L10 | Steeplecab | Milwaukee Electric Railway & Transport | Illinois Railway Museum, Union, IL | display | TMER&L, 1944 | |
| L7 | Steeplecab | Wisconsin Electric Power | Illinois Railway Museum, Union, IL | display | TMER&L, 1931 | |
| 15 | SW1 | Commonwealth Edison (MP) | Illinois Railway Museum, Union, IL | operational | EMD, 09/1950 | |
| 9255 (121) | SW7 | CB&Q (BN) | Illinois Railway Museum, Union, IL | operational | EMD, 05/1950 | |
| 5056 (387) | U25B | CMStP&P | Illinois Railway Museum, Union, IL | display | GE, 07/1965 | |
| 260 (114) | U28B | TTI (CB&Q) | Illinois Railway Museum, Union, IL | operational | GE, 01/1967 | |
| 5383 | U30C | BN | Illinois Railway Museum, Union, IL | operational | GE, 10/1974 | |
| 103 | VO-660 | Wyandotte Terminal | Illinois Railway Museum, Union, IL | display | Baldwin, 11/1948 |