MKT S12 Locos:
This page is dedicated to MKT's fleet of Baldwin S12 yard switchers. The MKT was the original owner of 15 S12 units.
Original orders:
MKT:
| Orig. road numbers | model | Baldwin serial no. | build date | notes |
| MKT 1201-1210 | S12 | 75504-75513 | 9-12/1951 | |
| MKT 1211-1212 | S12 | 75183-75184 | 6/1952 | |
| MKT 1213-1215 | S12 | 75191-75193 | 6/1952 |
S12: MKT 1201 75504 9-12/1951 MKT 1202 75505 9-12/1951 MKT 1203 75506 9-12/1951 MKT 1204 75507 9-12/1951 MKT 1205 75508 9-12/1951 MKT 1206 75509 9-12/1951 MKT 1207 75510 9-12/1951 MKT 1208 75511 9-12/1951 MKT 1209 75512 9-12/1951 MKT 1210 75513 9-12/1951 MKT 1211 75183 6/1952 MKT 1212 75184 6/1952 MKT 1213 75191 6/1952 MKT 1214 75192 6/1952 MKT 1215 75193 6/1952