| No. | Built | RDG Class | EMD Class | HP | Engine House Assignment |
| 250 | 1/45 | DF-1 | FTA | 1350 | |
| 250 B | 1/45 | DF-1 | FTB | 1350 | |
| 251 | 1/45 | DF-1 | FTA | 1350 | |
| 251 B | 1/45 | DF-1 | FTB | 1350 | |
| 252 | 1/45 | DF-1 | FTA | 1350 | |
| 252 B | 1/45 | DF-1 | FTB | 1350 | |
| 253 | 1/45 | DF-1 | FTA | 1350 | |
| 253 B | 1/45 | DF-1 | FTB | 1350 | |
| 254 | 1/45 | DF-1 | FTA | 1350 | |
| 254 B | 1/45 | DF-1 | FTB | 1350 | |
| 255 | 1/45 | DF-1 | FTA | 1350 | |
| 255 B | 1/45 | DF-1 | FTB | 1350 | |
| 256 | 2/45 | DF-1 | FTA | 1350 | |
| 256 B | 2/45 | DF-1 | FTB | 1350 | |
| 257 | 2/45 | DF-1 | FTA | 1350 | |
| 257 B | 2/45 | DF-1 | FTB | 1350 | |
| 258 | 2/45 | DF-1 | FTA | 1350 | |
| 258 B | 2/45 | DF-1 | FTB | 1350 | |
| 259 | 2/45 | DF-1 | FTA | 1350 | |
| 259 B | 2/45 | DF-1 | FTB | 1350 | |
| 260 | 11/48 | DF-2 | F3A | 1500 | |
| 260 B | 11/48 | DF-2 | F3B | 1500 | |
| 261 | 11/48 | DF-2 | F3A | 1500 | |
| 261 B | 11/48 | DF-2 | F3B | 1500 | |
| 262 | 11/48 | DF-2 | F3A | 1500 | |
| 262 B | 11/48 | DF-2 | F3B | 1500 | |
| 263 | 11/48 | DF-2 | F3A | 1500 | |
| 263 B | 11/48 | DF-2 | F3B | 1500 | |
| 264 | 11/48 | DF-2 | F3A | 1500 | |
| 264 B | 11/48 | DF-2 | F3B | 1500 | |
| 265 | 11/48 | DF-2 | F3A | 1500 | |
| 265 B | 11/48 | DF-2 | F3B | 1500 | |
| 266 | 3/50 | DF-4 | F7A | 1500 | |
| 266 B | 3/50 | DF-4 | F7B | 1500 | |
| 267 | 3/50 | DF-4 | F7A | 1500 | |
| 267 B | 3/50 | DF-4 | F7B | 1500 | |
| 268 | 3/50 | DF-4 | F7A | 1500 | |
| 268 B | 3/50 | DF-4 | F7B | 1500 | |
| 269 | 3/50 | DF-4 | F7A | 1500 | |
| 269 B | 3/50 | DF-4 | F7B | 1500 | |
| 270 | 3/50 | DF-4 | F7A | 1500 | |
| 270 B | 3/50 | DF-4 | F7B | 1500 | |
| 271 | 3/50 | DF-4 | F7A | 1500 | |
| 271 B | 3/50 | DF-4 | F7B | 1500 | |
| 272 | 3/50 | DF-4 | F7A | 1500 | NB |
| 273 | 3/50 | DF-4 | F7A | 1500 | NB |
| 274 | 3/50 | DF-4 | F7A | 1500 | |
| 275 | 3/50 | DF-4 | F7A | 1500 | |
| 276 | 3/50 | DF-4 | F7B | 1500 | |
| 277 | 3/50 | DF-4 | F7A | 1500 | |
| 278 | 3/50 | DF-4 | F7B | 1500 | |
| 279 | 3/50 | DF-4 | F7A | 1500 | |
| 280 | 3/50 | DF-4 | F7B | 1500 | |
| 281 | 3/50 | DF-4 | F7A | 1500 | NB |
| 282 | 3/50 | DF-4 | F7B | 1500 | |
| 283 | 3/50 | DF-4 | F7A | 1500 | |
| 284 | 3/50 | DF-4 | F7B | 1500 |
References:
Diesel Era – 1998 March/April – Reading’s First-Generation Diesels by by Paul K. Withers
FD&S – Vol. 12, No. 2 – Reading’s DF-2: TThe EMD F3 by Richard W. Jahn
Reading Diesels Volume 1 The First Generation – by Dale Woodland
The Revolutionary Diesel EMC’s FT – by Diesel ERA
Photograph’s from George Losse Collection.