| Number | Heritage |
| 1 | Rock Island |
| 2 | Rock Island |
| Number | Heritage |
| 3 | Milwaukee Road |
| Number | Heritage |
| 4 | Southern Pacific |
| 5 | Southern Pacific |
| 6 | Inland Steel |
| 7 | Inland Steel |
| 8 | |
| 9 |
 |
F40PH Built in 1977 by EMD - LaGrange, Illinois |
| Number | Name | Number | Name | |
| 100 | Ernest Marsh | 114 | Village of Tinley Park | |
| 101 | City of Joliet | 115 | Village of Oaklawn | |
| 102 | Village of Mokena | 116 | Village of Orland Park | |
| 103 | Village of New Lenox | 117 | Village of Palos Park | |
| 104 | City of Chicago | 118 | McHenry County | |
| 105 | James Kemp | 119 | Village of Cary | |
| 106 | City of Lockport | 120 | City of Woodstock | |
| 107 | City of Oak Forest | 121 | Lake County | |
| 108 | Will County | 122 | Village of Deerfield | |
| 109 | Village of Robbins | 123 | Village of Libertyville | |
| 110 | Brainerd | 124 | City of Lake Forest | |
| 111 | Beverly Hills | 125 | DuPage County | |
| 112 | Morgan Park | 126 | Kane County | |
| 113 | Village of Midlothian | 127 | Village of Glenview |
 |
F40PH-2 Built 1979-1989 by EMD - LaGrange, Illinois |
| Number | Name | Number | Name | |
| 128 | City of Evanston | 157 | Village of Palatine | |
| 129 | Village of Wilmette | 158 | City of Des Plaines | |
| 130 | Richard D. Newland | 159 | Village of Mount Prospect | |
| 131 | City of Highwood | 160 | Village of Winfield | |
| 132 | City of Harvard | 161 | City of Wheaton | |
| 133 | City of Crystal Lake | 162 | Village of Elburn | |
| 134 | City of Park Ridge | 163 | City of Elmhurst | |
| 135 | Village of Arlington Heights | 164 | Braeside | |
| 136 | City of Geneva | 165 | Village of Glencoe | |
| 137 | City of West Chicago | 166 | Village of Bellwood | |
| 138 | Village of Lombard | 167 | Village of Melrose Park | |
| 139 | Village of River Forest | 168 | Village of Maywood | |
| 140 | City of McHenry | 169 | Village of Oak Park | |
| 141 | Village of Kenilworth | 170 | Village of Winnetka | |
| 142 | Ravinia | 171 | Norwood Park | |
| 143 | Village of Glen Ellyn | 172 | Village of Berkeley | |
| 144 | Village of Chicago Ridge | 173 | Village of Lake Bluff | |
| 145 | City of Aurora | 174 | Fox River Grove | |
| 146 | Village of Downers Grove | 175 | Village of Worth | |
| 147 | Village of Hanover Park | 176 | Village of Bartlett | |
| 148 | Village of Fox Lake | 177 | Prairie View | |
| 149 | Village of Morton Grove | 178 | Village of Prospect Heights | |
| 150 | Leonard S. Eisenberg | 179 | City of Elgin | |
| 151 | Leo J. Cusick | 180 | Village of Bensenville | |
| 152 | City of Zion | 181 | Village of Schaumburg | |
| 153 | City of Waukegan | 182 | Village of Elmwood Park | |
| 154 | City of North Chicago | 183 | Village of Itasca | |
| 155 | City of Highland Park | 184 | Village of River Grove | |
| 156 | Village of Barrington |
 |
F40PHM-2 Built 1991-1992 by EMD - LaGrange, Illinois |
| Number | Name | Number | Name | |
| 185 | Village of Roselle | 200 | Norman W. Muelner | |
| 186 | Village of Streamwood | 201 | ||
| 187 | City of Wood Dale | 202 | Village of Orland Hills | |
| 188 | Village of Round Lake | 203 | ||
| 189 | Village of Villa Park | 204 | ||
| 190 | 205 | |||
| 191 | 206 | |||
| 192 | 207 | |||
| 193 | 208 | |||
| 194 | 209 | |||
| 195 | 210 | |||
| 196 | 211 | Village of Vernon Hills | ||
| 197 | 212 | Village of Buffalo Grove | ||
| 198 | 213 | Village of Franklin Park | ||
| 199 | 214 |
 |
F7 Built in 1949 by EMD - LaGrange, Illinois |
| 305 | 308 |
 |
MP36PH-3S Built 2002-2004 by MPI - Boise, Idaho |
| Number | Name | Number | Name | |
| 401 | Oliver "Ollie" Tibbles | 415 | ||
| 402 | State of Illinois | 416 | ||
| 403 | 417 | |||
| 404 | 418 | |||
| 405 | 419 | |||
| 406 | 420 | |||
| 407 | 421 | |||
| 408 | 422 | |||
| 409 | 423 | |||
| 410 | 424 | |||
| 411 | 425 | |||
| 412 | 426 | |||
| 413 | 427 | |||
| 414 |
 |
E8 Built 1951-1953 by EMD - LaGrange, Illinois |
| 514 | 515 | 516 | 518 | 521 |
 |
F40C Built in 1974 by EMD - LaGrange, Illinois |
| Number | Name | Number | Name | |
| 600 | Village of Bartlett | 608 | Village of Roselle | |
| 601 | City of Elgin | 609 | Village of Streamwood | |
| 602 | Village of Bensenville | 610 | City of Wood Dale | |
| 603 | Village of Schaumburg | 611 | Village of Ontarioville | |
| 604 | Village of Elmwood Park | 612 | State of Illinois | |
| 605 | Village of Hanover Park | 613 | Village of Round Lake | |
| 606 | Village of Itasca | 614 | Edward F. Brabec | |
| 607 | Village of River Grove |
