| MODEL | MFGR | ENGINE | CYLS | HP | # OWNED | YRS BUILT | RD #s | RENUMBER | COMMENT |
| PA1/PB1 | ALCO/GE | 244 (turbo) | 16 | 2000 | 44 | 46-48 | 51LAB-62LAB, 70LA-71LA | 51B-62B-->63L-69L, 74L-78L | |
| RS1 | ALCO | 539 (turbo) | 6 | 1000 | 6 | 47-50 | 2385-2388, 2394-2395 | 2385-2388-->2396-2399 | |
| RS2 | ALCO | 244 (turbo) | 12 | 1600 | 1 | 50 | 2110 | 2099 | |
| RSD4 | ALCO | 244 (turbo) | 12 | 1600 | 10 | 51 | 2100-2109 | ||
| RSD5 | ALCO | 244 (turbo) | 12 | 1600 | 53 | 51-53 | 2110-2162 | 9110-9162 | |
| RSD7 | ALCO | 244G & H (turbo) | 16 | 2250/2400 | 12 | 54-55 | 600-611 | 600-601 ALCO demos 2250hp (G) | |
| " | " | " | " | " | " | " | " | 602-611 2400hp (244H) | |
| RSD15 | ALCO | 251B (turbo) | 16 | 2400 | 50 | 59-60 | 800-849 | 9800-9849 | |
| RSD15 Slug | ALCO | n/a | 0 | 0 | 2 | 76 | 145-146 | ||
| S1 | ALCO/GE | 539 (non-turbo) | 6 | 660 | 2 | 44 | 2303 & 2304 | ||
| S2 | ALCO/GE | 539 (turbo) | 6 | 1000 | 70 | 42-45, 48-49 | 2322-2391 | ||
| S4 | ALCO | 539 (turbo) | 6 | 1000 | 38 | 51-53 | 1500-1537 | ||
| SC | EMC/GE | Winton 201-A | 8 | 600 | 4 | 36, 37 | 2301-->2150; 51-53 | 650-653 | |
| SD24 | EMD | 567D3 | 16 | 2400 | 80 | 59-60 | 900-979 | 4500-4579 | |
| SD26 | EMD | 645 | 16 | 2625 | 80 | 73-78 | 4600-4679 | ||
| SD39 | EMD | 645E3 | 12 | 2300 | 20 | 69 | 4000-4019 | 1556-1575 | |
| SD40 | EMD | 645E3 | 16 | 3000 | 20 | 66 | 1700-1719 | 5000-5019 | |
| SD40-2 | EMD | 645E | 16 | 3000 | 187 | 77-81 | 5020-5192, 5200-5213 | 5020-27 & 5109-40 Snoots | |
| SD45 | EMD | 645E3, et al | 20-16 | 3600 | 90 | 66, 69-70 | 1800-1889 | 5500-89-->5300-5408-->5426-37 | |
| SD45B | EMD | 645E3 | 20 | 3600 | 2 (3) | 83, 86 | 5501-5502 | ||
| SD45-2 | EMD | 645E3 | 20 | 3600 | 90 | 72-74 | 5626-5714 | 5800-68*-->7200-29 | *not renum 5705-14 |
| SDP40F | EMD | 645E | 16 | 3000 | 18 | 73-74* | Amtrak 511-649** | ATSF 5250-5267 | *acq'd by SF '84 **non-consec |
| SD75M | EMD | 710G3C | 16 | 4300/4500 | 51 | 95 | 200-250 | ||
| SF30B | GE/ATSF | FDL-12F3OUX | 12 | 3000* | 1 | 87 | 7200 | 6419 | *2300hp-->3000-->2300 |
| SF30C | GE/ATSF | FDL-16 | 16 | 3100 | 70 | 85-86 | 9500-9569 | were U36Cs | |
| SSB1200 | EMD/ATSF | 567BC | 16 | 1200 | 3 | 74-78 | 1215-1217 | ex NW2; 1216 1000hp | |
| SSB1200* | EMD/ATSF | 567BC | 12 | 1200 | 19 | 74-79 | 1220-1238 | *ex SW9 | |
| SSB1200* | EMD/ATSF | 567BC | 12 | 1200 | 3 | 73-79 | 1239-1241 | *ex SW1200 | |
| SW9 | EMD | 567B | 12 | 1200 | 19 | 53 | 2420-2438 | ||
| SW900 | EMD | 567C | 8 | 900 | 4 | 57 | 650-53 | (653) 1153-->1453 | |
| SW1200 | EMD | 567C | 12 | 1200 | 3 | 59 | 2439-2441 | (2441)-->1441 | |
| TR4 | EMD | 567A | 12 | 1200 (2) | 2pr (cow/calf) | 50-51 | 2418LA-2419LA | 1418LA-1419LA | Rebuilt (SSB) renum 1242-1245 |