Baldwin DS-4-4-1000:
This page is dedicated to Baldwin's model DS-4-4-1000 yard switchers. Baldwin built 502 DS-4-4-1000 units for a variety of railroads.
Note that two variants of this model were produced, the first 56 units built from 6/1946 to 1/1948 were powered by a normally-aspirated, 8-cylinder, 608NA prime mover. The final 446 units built from 1/1948 to 11/1951 were powered by a turbocharged, 6-cylinder, 606SC prime mover.
Domestic Orders:
| ABB 26 | DS-4-4-1000 | 73605 | 3/1948 | Akron & Barberton Belt Railroad |
| (ASARCO) 101 | DS-4-4-1000 | 73954 | 9/1948 | American Smelting & Refining Company |
| (ASARCO) 102 | DS-4-4-1000 | 74637 | 2/1950 | American Smelting & Refining Company |
| AT&SF 2200 (2nd) | DS-4-4-1000 | 74223 | 6/1949 | |
| AT&SF 2260-2265 | DS-4-4-1000 | 73576-73581 | 2-3/1948 | |
| AT&SF 2266-2278 | DS-4-4-1000 | 73789-73801 | 9-10/1948 | |
| AT&SF 2279-2288 | DS-4-4-1000 | 74073-74082 | 3/1949 | |
| AT&SF 2289-2297 | DS-4-4-1000 | 74206-74214 | 6/1949 | |
| AT&SF 2298 | DS-4-4-1000 | 74222 | 6/1949 | |
| AT&SF 2299 | DS-4-4-1000 | 74224 | 6/1949 | |
| A&WP 676-677 | DS-4-4-1000 | 74596-74597 | 4/1949 | |
| B&LE 282 | DS-4-4-1000 | 73958 | 3/1949 | |
| (BLW) 100DF | DS-4-4-1000 | 74640 | */19** | Baldwin demonstrator; to P&BR 335 |
| B&O 376 | DS-4-4-1000 | 74778 | 7/1950 | |
| B&O 377-381 | DS-4-4-1000 | 74788-74792 | 7/1950 | |
| B&O 382-383 | DS-4-4-1000 | 74799-74800 | 8/1950 | |
| B&O 384-385 | DS-4-4-1000 | 74881-74882 | 8/1950 | |
| B&O 386-399 | DS-4-4-1000 | 74937-74950 | 8-10/1950 | |
| B&O 438-462 | DS-4-4-1000 | 73839-73863 | 10-12/1948 | |
| BRC 405 | DS-4-4-1000 | 73841 | 7/1947 | Belt Railway of Chicago |
| (CAHCMC) 201-202 | DS-4-4-1000 | 73956-73957 | 8/1948 | Calumet & Hecla Mining Company |
| CofG 36-37 | DS-4-4-1000 | 74194-74195 | 8 & 10/1948 | |
| CGW 32-33 | DS-4-4-1000 | 73914-73915 | 2/1949 | |
| CGW 34-41 | DS-4-4-1000 | 74225-74232 | 7/1949 | |
| C&NW 1018-1022 | DS-4-4-1000 | 74083-74087 | 3-4/1949 | |
| COPR 100-101 | DS-4-4-1000 | 72839-72840 | 4/1947 | Copper Range Railroad |
| CP 7065 | DS-4-4-1000 | 73802 | 3/1948 | |
| CP 7066-7075 | DS-4-4-1000 | 73943-73952 | 10-11/1948 | |
| CRP 1072-1074 | DS-4-4-1000 | 74774-74776 | 4/1950 | Central Railroad of Pennsylvania |
| DT 103 | DS-4-4-1000 | 72812 | 1/1947 | Detroit Terminal Railroad |
| ERIE 600-601 | DS-4-4-1000 | 72808-72809 | 11-12/1946 | |
| ERIE 602-604 | DS-4-4-1000 | 73568-73570 | 1-2/1948 | |
| ERIE 605-606 | DS-4-4-1000 | 73766-73767 | 6/1948 | |
| ERIE 607-608 | DS-4-4-1000 | 73959-73960 | 3/1949 | |
| ERIE 609-610 | DS-4-4-1000 | 74203-74204 | 6/1949 | |
| ERIE 611-615 | DS-4-4-1000 | 74616-74620 | 7-8/1949 | |
| ERIE 616 | DS-4-4-1000 | 74196 | 9/1949 | |
| GA 921 | DS-4-4-1000 | 74205 | 6/1949 | |
| IRN 750 | DS-4-4-1000 | 73953 | 10/1948 | Ironton Railroad |
| IRN 751 | DS-4-4-1000 | 74600 | 7/1949 | Ironton Railroad |
| K&IT 53-54 | DS-4-4-1000 | 73926-73927 | 9/1948 | Kentucky & Indiana Terminal Railroad |
| LI 450 | DS-4-4-1000 | 73612 | 4/1948 | Long Island Railroad |
| LV 140-141 | DS-4-4-1000 | 74234-74235 | 6/1949 | |
| LV 142-143 | DS-4-4-1000 | 74598-74599 | 6/1949 | |
| LV 144-148 | DS-4-4-1000 | 74627-74631 | 1-2/1950 | |
| MILW 1692-1697 | DS-4-4-1000 | 73920-73925 | 11/1948 | |
| MILW 1901-1904 | DS-4-4-1000 | 74632-74635 | 10/1949 | |
| MKT 1000-1005 | DS-4-4-1000 | 72795-72800 | 8-9/1946 | |
| MKT 1006-1010 | DS-4-4-1000 | 72834-72838 | 2-3/1947 | |
| MP 9120-9122 | DS-4-4-1000 | 73582-73584 | 2/1948 | |
| MP 9123 | DS-4-4-1000 | 73963 | 3/1949 | |
| MP 9124-9127 | DS-4-4-1000 | 74090-74093 | 3-4/1949 | |
| MP 9133-9141 | DS-4-4-1000 | 74765-74773 | 3-4/1950 | |
| MP 9148-9149 | DS-4-4-1000 | 74763-74764 | 3/1950 | sublettered StLB&M |
| MP 9162-9167 | DS-4-4-1000 | 74094-74099 | 3-4/1949 | sublettered StLB&M |
| NKP 100-101 | DS-4-4-1000 | 72849-72850 | 10/1947 | |
| NS 1001-1002 | DS-4-4-1000 | 72832-72833 | 1/1947 | |
| OTR 101 | DS-4-4-1000 | 73773 | 7/1948 | Oakland Terminal Railway |
| (OLIRMC) 928-932 | DS-4-4-1000 | 74188-74192 | 6-7/1949 | Oliver Iron Mining Company |
| P&BR 337-341 | DS-4-4-1000 | 73571-73575 | 3/1948 | Patapsco & Back Rivers Railroad |
| P&BR 342-344 | DS-4-4-1000 | 74648-74650 | 12/1949 | Patapsco & Back Rivers Railroad |
| PRR 5550 | DS-4-4-1000 | 74759 | 3/1950 | |
| PRR 5551-5552 | DS-4-4-1000 | 74638-74639 | 2/1950 | |
| PRR 5553-5557 | DS-4-4-1000 | 74641-74645 | 2/1950 | |
| PRR 5558-5565 | DS-4-4-1000 | 74651-74658 | 2-3/1950 | |
| PRR 5566-5570 | DS-4-4-1000 | 74198-74202 | 1/1950 | |
| PRR 5571-5576 | DS-4-4-1000 | 74621-74626 | 1/1950 | |
| PRR 5577 | DS-4-4-1000 | 74636 | 1/1950 | |
| PRR 5578-5584 | DS-4-4-1000 | 74659-74665 | 4/1950 | |
| PRR 5585 | DS-4-4-1000 | 74197 | 1/1950 | |
| PRR 5586 | DS-4-4-1000 | 74666 | 2/1950 | |
| PRR 5587-5590 | DS-4-4-1000 | 74704-74707 | 2/1950 | |
| PRR 5967-5972 | DS-4-4-1000 | 73585-73590 | 3/1948 | |
| PRR 5973-5977 | DS-4-4-1000 | 73591-73595 | 3-4/1948 | |
| PRR 5978-5979 | DS-4-4-1000 | 73603-73604 | 5/1948 | |
| PRR 9050-9072 | DS-4-4-1000 | 74100-74122 | 3-4/1949 | |
| PRR 9073-9079 | DS-4-4-1000 | 74179-74185 | 4-5/1949 | |
| PRR 9122-9123 | DS-4-4-1000 | 73616-73617 | 6/1948 | |
| PRR 9124-9136 | DS-4-4-1000 | 73753-73765 | 6-4/1948 | |
| PRR 9177-9183 | DS-4-4-1000 | 73596-73602 | 4-5/1948 | |
| PRR 9251-9275 | DS-4-4-1000 | 73864-73888 | 12/1948-2/1949 | |
| PRR 9429-9434 | DS-4-4-1000 | 74708-74713 | 5/1950 | |
| RDG 26-27 | DS-4-4-1000 | 72841-72842 | 4-5/1947 | |
| RDG 28-33 | DS-4-4-1000 | 72843-72848 | 8-10/1947 | |
| RDG 34 | DS-4-4-1000 | 72232 | 6/1946 | |
| RDG 35 | DS-4-4-1000 | 72233 | 6/1946 | |
| RDG 36-37 | DS-4-4-1000 | 72793-72794 | 7/1946 | |
| RDG 38-39 | DS-4-4-1000 | 72801-72802 | 8/1946 | |
| RDG 700-714 | DS-4-4-1000 | 73774-73788 | 9-10/1948 | |
| RDG 715-729 | DS-4-4-1000 | 74601-74615 | 7-9/1949 | |
| SAL 1417 | DS-4-4-1000 | 72233 | 6-7/1946 | |
| SAL 1418-1419 | DS-4-4-1000 | 72791-72792 | 6-7/1946 | |
| SAL 1420-1424 | DS-4-4-1000 | 72803-72807 | 6-7/1946 | |
| SAL 1435-1437 | DS-4-4-1000 | 74760-74762 | 2/1950 | |
| SAL 1438-1443 | DS-4-4-1000 | 74793-74798 | 8/1950 | |
| SAL 1444-1451 | DS-4-4-1000 | 74883-74890 | 8/1950 | |
| SAL 1452-1461 | DS-4-4-1000 | 75098-75107 | 8/1950 | |
| SL-SF 238-241 | DS-4-4-1000 | 73916-73919 | 12/1948 | |
| SOO 311-312 | DS-4-4-1000 | 74186-74187 | 6/1949 | |
| SOU 2285-2289 | DS-4-4-1000 | 73928-73932 | 11/1948 | |
| SP 1393-1402 | DS-4-4-1000 | 73933-73942 | 9/1948 | |
| SSW 1023-1027 | DS-4-4-1000 | 73482-73486 | 12/1947-1/1948 | |
| TRRA 602-603 | DS-4-4-1000 | 73961-73962 | 3/1949 | Terminal Railroad Association of St. Louis |
| UP 1206-1210 | DS-4-4-1000 | 73768-73772 | 9/1948 | |
| (USACOE) L-4 | DS-4-4-1000 | 74777 | 5/1950 | United States Army Corps of Engineers |
| (USACOE) W8380 | DS-4-4-1000 | 74193 | 8/1949 | United States Army Corps of Engineers |
| (USSTL) 21-26 | DS-4-4-1000 | 7285*-7285* | 12/1947 | United States Steel Corporation |
| (USSTL) 27-32 | DS-4-4-1000 | 736**-736** | */19** | United States Steel Corporation |
| (USSTL) 74-76 | DS-4-4-1000 | *****-***** | */19** | United States Steel Corporation |
| WofA 630 | DS-4-4-1000 | 74233 | 11/1948 | |
| WAB 304 | DS-4-4-1000 | 73955 | 1/1949 | |
| WM 133-134 | DS-4-4-1000 | 72810-72811 | 12/1946 |