Baldwin DS-4-4-660:
This page is dedicated to Baldwin's model DS-4-4-660 yard switchers. Baldwin built 139 DS-4-4-660 units.
Domestic Orders:
| (ARMCO) 1001 | DS-4-4-660 | 73041 | 10/1946 | American Rolling Mill Company |
| CHW 661 | DS-4-4-660 | 73045 | 12/1946 | Chesapeake Western Railway |
| CHW 662-663 | DS-4-4-660 | 73559-73560 | 12/1946 | Chesapeake Western Railway |
| CMO 71 | DS-4-4-660 | 73094 | 3/1949 | Chicago, St. Paul, Minneapolis & Omaha Railway |
| C&NW 1259-1261 | DS-4-4-660 | 73901-73903 | 3/1949 | |
| CYX 13 | DS-4-4-660 | 72830 | 6/1946 | American Cyanamid Company |
| E&LS 101 | DS-4-4-660 | 73367 | 11/1947 | Escanaba & Lake Superior Railroad |
| ERIE 381-382 | DS-4-4-660 | 73043-73044 | 11/1946 | |
| ERIE 383 | DS-4-4-660 | 73366 | 10/1947 | |
| ERIE 384-385 | DS-4-4-660 | 73898-73899 | 2/1949 | |
| GANO 172 | DS-4-4-660 | 73368 | 12/1947 | Georgia Northern Railway |
| LI 409-412 | DS-4-4-660 | 73628-73631 | 5/1948 | Long Island Railroad |
| (MFM) 1 | DS-4-4-660 | 73042 | 11/1946 | Morrissey, Fernie & Michel Railway (Crows Nest Pass Coal) |
| NOPB 44-46 | DS-4-4-660 | 73038-73040 | 11-12/1946 | New Orleans Public Belt Railroad |
| NOPB 47-49 | DS-4-4-660 | 73895-73897 | 2/1949 | New Orleans Public Belt Railroad |
| NS 661-662 | DS-4-4-660 | 73361-73362 | 1/1947 | Norfolk Southern Railway (original) |
| NS 663 | DS-4-4-660 | 73365 | 5/1947 | Norfolk Southern Railway (original) |
| P&BR 306-309 | DS-4-4-660 | 73034-73035 | 10-11/1946 | Patapsco & Back Rivers Railroad |
| PRR 5957-5966 | DS-4-4-660 | 73618-73627 | 3-5/1948 | |
| PRR 9000-9008 | DS-4-4-660 | 73905-73913 | 3-4/1949 | |
| PRR 9009-9029 | DS-4-4-660 | 74236-74256 | 3-5/1949 | |
| PRR 9030-9049 | DS-4-4-660 | 74410-74429 | 5/1949 | |
| PRR 9110-9115 | DS-4-4-660 | 73632-73637 | 7-8/1948 | |
| PRR 9116 | DS-4-4-660 | 73641 | 8/1948 | |
| PRR 9117-9119 | DS-4-4-660 | 73638-73640 | 8/1948 | |
| PRR 9120 | DS-4-4-660 | 73642 | 8/1948 | |
| PRR 9121 | DS-4-4-660 | 73803 | 8/1948 | |
| PRR 9210-9232 | DS-4-4-660 | 73805-73827 | 11/1948-2/1949 | |
| PRR 9233-9236 | DS-4-4-660 | 73889-73892 | 2/1949 | |
| (SLSHST) 30 | DS-4-4-660 | 73893 | 9/1948 | Sloss-Sheffield Steel |
| TVAX 100 | DS-4-4-660 | 73900 | 2/1949 | Tennessee Valley Authority |
| WAB 201-202 | DS-4-4-660 | 73363-73364 | 3-4/1947 | |
| WYS D100 | DS-4-4-660 | 73804 | 9/1948 | Wyandotte Southern Railroad |
| WYT 104 | DS-4-4-660 | 73894 | 1/1949 | Wyandotte Terminal Railroad |