| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Notes |
| 8376 | P-5-g | 0-8-0 | 4'-8½" | GTW | Depot Museum, Amboy, IL | display |  |
| 152(5) | | 2-6-0 | 4'-8½" | T&SL | Sanfillipo Collection, Barrington, IL | private | from Devine, TX |
| 18 | | 0-6-0 | 4'-8½" | Chic Gravel | Veteran's Park, Bensenville, IL | display |  |
| 639 | H-6d | 2-8-2 | 4'-8½" | NYC&StL | Miller Park, Bloomington, IL | display |  |
| 3 | | 0-4-0T | 4'-8½" | Laclede Steel | park, Carlinville, IL | display |  |
| 2500 | 2500 | 4-8-2 | 4'-8½" | IC | Age of Steam Memorial, Fairview Park, Centralia, IL | display | Built from IC 2953 2-10-2 boiler (Lima) |
| 1 | | 2-6-0 | 4'-8½" | V&T | private, Chicago, IL | under construction | Named Lyon, replica,  |
| 7 | | 4-2-0 | 4'-8½" | C&NW(U&S) | Chicago History Museum, Chicago, IL | display | Named Pioneer |
| | 0-2-2 | 4'-8½" | | Museum of Science & Industry, Chicago, IL | display | Named Rocket, replica |
| 1 | | 0-4-0 | 4'-8½" | IC | Museum of Science & Industry, Chicago, IL | display | Named Mississippi |
| | 0-4-0cog | 4'-8½" | | Museum of Science & Industry, Chicago, IL | display | Named John Stevens, replica |
| | 0-4-0 | 4'-8½" | B&O | Museum of Science & Industry, Chicago, IL | display | Named York, replica |
| 999 | C-14a | 4-4-0 | 4'-8½" | NYC&HRRR | Museum of Science & Industry, Chicago, IL | display |  |
| | | | | Terra Cotta Industries, Crystal Lake, IL | operational stored | stored with Pullman dining car, formerly used for company excursions |
| 31 | | 0-6-0 | 4'-8½" | Michigan Limestone & Chemical | B C Matthews Co., Crystal Lake, IL | display |  |
| 2 | 36 ton | Heisler2Tr | 4'-8½" | SC&S | Silver Creek & Stephenson RR, Freeport, IL | operational |  |
| 3006 | S-4 | 4-6-4 | 4'-8½" | CB&Q | Galesburg Railroad Museum, Galesburg, IL | display |  |
| 8305 | P-5-b | 0-8-0 | 4'-8½" | GTW | C&NW siding behind grain elevator, Galt, IL | display | sold? |
| 2 | | 0-4-0T | 4'-8½" | Central IL Public Service | Devil's Backbone Park, Grand Tower, IL | display |  |
| | Hunslet | 4'-8½" | | farm, Harvard, IL | stored | Named Shlto |
| 4978 | O-1A | 2-8-2 | 4'-8½" | CB&Q | Union Depot Railroad Museum, Mendota, IL | display | |
| 8 | | 0-4-2T | 4'-8½" | US Navy | Thompson Winery, Monee, IL | unknown | current location unknown |
| 18 | | 2-6-0 | 4'-8½" | Lee Tidewater Cypress Co | Thompson Winery, Monee, IL | display |  |
| 9 | | 2-6-2T | 4'-8½" | Coronet Phosphate | Thompson Winery, Monee, IL | display |  |
| 2(319) | T24 | 4-6-0 | 4'-8½" | SP (T&NO) | Thompson Winery, Monee, IL | display | to Atlanta? |
| 1 | D11 | 0-4-0T | 4'-8½" | MG | Monticello Railway Museum, Monticello, IL | display |  |
| 191 | | 0-6-0 | 4'-8½" | Republic Steel | Monticello Railway Museum, Monticello, IL | display |  |
| 303 (32) | | 4-6-0 | 4'-8½" | Mississippi Eastern (H&B) | Monticello Railway Museum, IL | display | moved from Rockford, IL, June 2000,  |
| 401 | H-4 | 2-8-0 | 4'-8½" | SR | Monticello Railway Museum, Monticello, IL | restoration | Received a brand new boiler and cab in 2008. , ,  |
| | | 4'-8½" | | sand pit, Newark, IL | sunk | |
| 886 (887) | P-31 | 4-6-2 | 4'-8½" | CRI&P | Wheels O' Time Museum, Peoria, IL | display | |
| 6988 | QJ | 2-10-2 | 4'-8½" | Ji-Tong | Railroad Development Corporation, Rock Island, IL | operational | From Houston, to be placed in service by a tourist railroad,  |
| 7081 | QJ | 2-10-2 | 4'-8½" | Ji-Tong | Railroad Development Corporation, Rock Island, IL | operational | From Houston, to be placed in service by a tourist railroad,  |
| 3000 | S-4 | 4-6-4 | 14" | CB&Q | Dekalb County Fair, Sandwich, IL | operational | replica |
| 8373 | P-5-g | 0-8-0 | 4'-8½" | GTW | PW Dillon Museum, Sterling, IL | display |  |
| 1352 | | 2-8-2 | 4'-8½" | SLSF | I&M engine house, Taylorville, IL | stored | |
| 1892(2) | | 0-4-0F | 4'-8½" | Swift | Metra Station, Tinley Park, IL | display |  |
| 5 | 70t C | Shay3Tr | 4'-8½" | J Neils Lumber | Illinois Railway Museum, Union, IL | out of service | being reflued |
| 7 | | 0-4-0T | 4'-8½" | ACW (USATC) | Illinois Railway Museum, Union, IL | display |  |
| 4 | | 0-4-0F | 4'-8½" | UTCO | Illinois Railway Museum, Union, IL | display |  |
| 201 | | 2-4-4T | 4'-8½" | IC | Illinois Railway Museum, Union, IL | display | from Peoria, IL then Heritage Halls, Owatonna, MN |
| 16 | | 4-4-0 | 4'-8½" | T&D | Illinois Railway Museum, Union, IL | display |  |
| 7 | | 0-6-0T | 4'-8½" | PSC | Illinois Railway Museum, Union, IL | display |  |
| 5 | | 0-6-0 | 4'-8½" | CE | Illinois Railway Museum, Union, IL | display |  |
| 207 | | 0-6-0 | 4'-8½" | L&NE | Illinois Railway Museum, Union, IL | display |  |
| 26 | | 2-6-0 | 4'-8½" | N-K(GN&A) | Illinois Railway Museum, Union, IL | restoration | in great shape except for firebox |
| 3706 (109) | | 2-6-0 | 4'-8½" | B&S(IC) | Illinois Railway Museum, Union, IL | display | |
| 101 | | 2-6-2 | 4'-8½" | Tuskegee | Illinois Railway Museum, Union, IL | restoration |  |
| 637 (309) | K-2 | 4-6-0 | 4'-8½" | CB&Q (B&MR) | Illinois Railway Museum, Union, IL | display | |
| 938 | P-33 | 4-6-2 | 4'-8½" | CRI&P | Illinois Railway Museum, Union, IL | display | from Fort Worth |
| 3007 | S-4 | 4-6-4 | 4'-8½" | CB&Q | Illinois Railway Museum, Union, IL | display | candidate for restoration |
| 8380 | P-5-g | 0-8-0 | 4'-8½" | GTW | Illinois Railway Museum, Union, IL | display |  |
| 35(19) | | 2-8-0 | 4'-8½" | LS&I | Illinois Railway Museum, Union, IL | display |  |
| 99 | | 2-8-0 | 4'-8½" | L&A | Illinois Railway Museum, Union, IL | display |  |
| 428 (1648) | C-57 | 2-8-0 | 4'-8½" | UP | Illinois Railway Museum, Union, IL | restoration | Jan, 2007: nearing completion |
| 4963 | O-1A | 2-8-2 | 4'-8½" | CB&Q | Illinois Railway Museum, Union, IL | display |  |
| 2707 | K-4 | 2-8-4 | 4'-8½" | C&O | Illinois Railway Museum, Union, IL | display |  |
| 6323 | U-3-b | 4-8-4 | 4'-8½" | GTW | Illinois Railway Museum, Union, IL | display |  |
| 265 | S-3 | 4-8-4 | 4'-8½" | CMStP&P | Illinois Railway Museum, Union, IL | display |  |
| 2903 | 2900 | 4-8-4 | 4'-8½" | AT&SF | Illinois Railway Museum, Union, IL | display |  |
| 1630 | Russian | 2-10-0 | 4'-8½" | SLSF | Illinois Railway Museum, Union, IL | out of service |  |
| 975 | F-1 | 2-10-2 | 4'-8½" | SP (T&NO) | Illinois Railway Museum, Union, IL | display |  |
| 2050 | Y3a | 2-8-8-2 | 4'-8½" | N&W | Illinois Railway Museum, Union, IL | display |  |
| 1 | | 0-4-0T | 36" | | Villa Grove, IL | stored |  |
| | 4-6-4 | 15" | | Waterman & Western, Waterman, IL | stored | from Riverside & Great Northern RY shops, Wisconsin Dells, WI |