SP SW1500 page
The SP/SSW owned a total of 240 examples of EMD's SW1500. They were by far the largest group of EMD cab end switchers rostered by the SP.
Original orders:
SP/SSW:
| Orig. road numbers | EMD const. no. | build date |
| SP 2450-2462 | 4518-1 thru 4518-13 | 9-10/1967 |
| SP 2463-2480 | 7997-1 thru 7997-18 | 8/1967 |
| SSW 2481-2492 | 7087-1 thru 7087-12 | 3-6/1968 |
| SP 2493-2510 | 7109-1 thru 7109-18 | 6-7/1968 |
| SSW 2511-2522 | 7141-1 thru 7141-12 | 4-6/1969 |
| SP 2523-2552 | 4561-1 thru 4561-30 | 7-10/1969 |
| SP 2553-2578 | 4570-1 thru 4570-26 | 1-4/1970 |
| SSW 2579-2582 | 7216-1 thru 7216-4 | 1-2/1970 |
| SSW 2583-2590 | 7367-1 thru 7367-8 | 12/1971 |
| SP 2591-2612 | 4608-1 thru 4608-22 | 10-11/1971 |
| SP 2613-2679 | 4608-23 thru 4608-89 | 4-7/1972 |
| SP 2680-2689 | 72631-1 thru 72631-10 | 4-5/1973 |