EMD SW1200:
This page is dedicated to EMD's model SW1200. EMD built many examples of this popular model for numerous railroads and industries.
Many of the GMD-built Canadian units were built as SW1200RS units with larger fuel tanks, larger headlight/numberboard housings and EMD Flexicoil trucks for intended use as Road Switchers.
Domestic Orders:
| Orig. road numbers | model | EMD serial no. | build date | notes |
| AD&N 176 | SW1200 | 21016 | 12/1955 | Ashley, Drew & Northern |
| AD&N 178 | SW1200 | 28344 | 6/1963 | Ashley, Drew & Northern |
| ALQS 1201 | SW1200 | 19529 | 6/1954 | Aliquippa and Southern |
| ALQS 1202-1203 | SW1200 | 19532-19533 | 6/1954 | Aliquippa and Southern |
| ALQS 1204-1207 | SW1200 | 20636-20639 | 5-8/1955 | Aliquippa and Southern |
| ALQS 1208-1210 | SW1200 | 21559-21561 | 2=4/1956 | Aliquippa and Southern |
| ALQS 1211-1213 | SW1200 | 23078-23080 | 3/1957 | Aliquippa and Southern |
| AT&SF 2439-2441 | SW1200 | 25224-25226 | 6/1959 | |
| BFC 5624 | SW1200 | 21471 | 6/1956 | Bellefonte Central |
| B&O 9614-9621 | SW1200 | 23360-23367 | 5/1957 | |
| BRC 524-526 | SW1200 | 28348-28350 | 6-7/1963 | Belt Railway of Chicago |
| BS 200-201 | SW1200 | 23983-23984 | 7/1957 | |
| BXN 11 | SW1200 | 19530 | 6/1954 | Bauxite & Northern |
| CBL 120-121 | SW1200 | 21831-21832 | 6/1956 | Conemaugh & Black Lick |
| CB&Q 156-160 | SW1200 | 25006-25010 | 2/1959 | sublettered C&S |
| CB&Q 607-610 | SW1200 | 25043-25046 | 3/1959 | sublettered FW&D |
| CB&Q 9271-9280 | SW1200 | 20543-20552 | 9-10/1955 | |
| CB&Q 9281-9288 | SW1200 | 30533-30540 | 7/1965 | |
| CB&Q 9289-9292 | SW1200 | 30541-30544 | 7/1965 | |
| C&IM 18 | SW1200 | 20363 | 4/1955 | Chicago & Illinois Midland |
| C&IM 19 | SW1200 | 20375 | 4/1955 | Chicago & Illinois Midland |
| C&IM 20-23 | SW1200 | 20678-20681 | 11/1955 | Chicago & Illinois Midland |
| C&NW 310-315 | SW1200 | 26075-26080 | 7-11/1960 | |
| C&NW 316-321 | SW1200 | 27145-27150 | 2/1962 | |
| CWEX 16 | SW1200 | 29133 | 7/1964 | Commonwealth Edison Co. |
| (COOSLUM) 1201-1203 | SW1200 | 19661-19663 | 8-9/1954 | Coos Bay Lumber Co. |
| CUVA 1280-1282 | SW1200 | 21598-21600 | 5/1956 | The Cuyahoga Valley Railway Co. |
| CUVA 1283-1285 | SW1200 | 23081-23083 | 3-4/1957 | The Cuyahoga Valley Railway Co. |
| CUVA 1286 | SW1200 | 30490 | 5/1965 | The Cuyahoga Valley Railway Co. |
| DL&W 561-568 | SW1200 | 23762-23769 | 5-6/1957 | Delaware, Lackawanna & Western |
| DQE D5 | SW1200 | 25731 | 2/1960 | DeQueen & Eastern |
| D&RGW 130-134 | SW1200 | 30016-30020 | 1/1965 | |
| D&RGW 135-139 | SW1200 | 30024-30028 | 1/1965 | |
| EJ&E 300-307 | SW1200 | 25847-25854 | 5/1960 | |
| FEC 229-235 | SW1200 | 20088-20094 | 12/1954 | |
| GN 29-33 | SW1200 | 22481-22485 | 5/1957 | |
| GN 100 | SW1200 | 647:2 | 2/1955 | Rblt from GN 5300, nee GN 5101 |
| (GRLSTL) 16 | SW1200 | 27134 | 3/1962 | Great Lakes Steel |
| (GRLSTL) 39 | SW1200 | 21082 | 5/1956 | Great Lakes Steel |
| (GRLSTL) 40 | SW1200 | 21737 | 5/1956 | Great Lakes Steel |
| (GRLSTL) 41-42 | SW1200 | 22085-22086 | 1/1957 | Great Lakes Steel |
| (GRLSTL) 43-44 | SW1200 | 23301-23302 | 4/1957 | Great Lakes Steel |
| (GRLSTL) 45 | SW1200 | 26156 | 9/1960 | Great Lakes Steel |
| (GRLSTL) 46 | SW1200 | 26213 | 10/1960 | Great Lakes Steel |
| (GRLSTL) 47 | SW1200 | 26779 | 7/1961 | Great Lakes Steel |
| (GRLSTL) 48 | SW1200 | 27312 | 4/1962 | Great Lakes Steel |
| (GRLSTL) 49 | SW1200 | 28676 | 12/1963 | Great Lakes Steel |
| (GRLSTL) 50-51 | SW1200 | 29483-29484 | 7/1964 | Great Lakes Steel |
| (GRLSTL) 52-53 | SW1200 | 30738-30739 | 10/1965 | Great Lakes Steel |
| GTW 1269-1270 | SW1200 | 22827-22878 | 4/1957 | |
| GTW 1505-1508 | SW1200 | 20413-20416 | 5-6/1955 | |
| GTW 1511-1519 | SW1200 | 25743-25751 | 3/1960 | |
| GTW 7017-7019 | SW1200 | 20381-20383 | 4/1955 | |
| HB&T 33-37 | SW1200 | 31683-31687 | 4/1966 | Houston Belt & Terminal |
| INLX 90-93 | SW1200 | 22464-22467 | 2/1957 | Inland Steel |
| INLX 94-96 | SW1200 | 23988-23990 | 9/1957 | Inland Steel |
| INLX 97-98 | SW1200 | 24090-24091 | 3/1958 | Inland Steel |
| INLX 103-104 | SW1200 | 25353-25354 | 7/1960 | Inland Steel |
| INLX 105-106 | SW1200 | 25913-25914 | 7/1960 | Inland Steel |
| INLX 107-108 | SW1200 | 28935-28936 | 4/1964 | Inland Steel |
| INLX 109-110 | SW1200 | 30014-30015 | 12/1964 | Inland Steel |
| INLX 111-114 | SW1200 | 30486-30489 | 6/1965 | Inland Steel |
| ITC 775-786 | SW1200 | 20666-20677 | 11-12/1955 | Illinois Terminal |
| KCT 70-79 | SW1200 | 29239-29248 | 6-7/1964 | Kansas City Terminal |
| (LKSTAT) 105 | SW1200 | 23480 | 7/1957 | Lake Superior Terminal & Transfer |
| L&N 2297-2300 | SW1200 | 22504-22507 | 2/1957 | |
| (MIDLEC) 1201 | SW1200 | 23578 | 6/1957 | Midland Electric Coal Co. |
| MILW 1637-1642 | SW1200 | 18758-18763 | 1/1954 | |
| MILW 2020-2047 | SW1200 | 20055-20082 | 11-12/1954 | |
| MILW 2048-2061 | SW1200 | 20041-20054 | 11-12/1954 | |
| MKT 1-6 | SW1200 | 24466-24471 | 12/1957 | |
| MKT 43-44 | SW1200 | 27800-27801 | 10/1962 | |
| MN&S 30-31 | SW1200 | 27507-27508 | 9/1962 | Minneapolis, Northfield & Southern |
| MN&S 32-33 | SW1200 | 28933-28934 | 2/1964 | Minneapolis, Northfield & Southern |
| MN&S 34-35 | SW1200 | 29758-29759 | 5/1965 | Minneapolis, Northfield & Southern |
| MP 1100-1125 | SW1200 | 27868-27893 | 1-4/1963 | |
| MP 1126-1133 | SW1200 | 28747-28754 | 1-2/1964 | |
| MP 1134-1141 | SW1200 | 31094-31101 | 3/1966 | |
| MP 1142-1151 | SW1200 | 31216-31225 | 3-4/1966 | |
| MP 1152-1166 | SW1200 | 29790-29804 | 3-4/1965 | |
| MP 1175-1178 | SW1200 | 28766-28769 | */1964 | |
| MP 1179-1189 | SW1200 | 28755-28765 | 2-3/1964 | |
| MP 1190-1199 | SW1200 | 27858-27867 | *-4/1963 | |
| MP 1200-1201 | SW1200 | 31226-31227 | 2/1966 | |
| MP 1255-1259 | SW1200 | 31228-31232 | 2/1966 | |
| MP 1263-1264 | SW1200 | 28770-28771 | 4/1964 | |
| MP 1265-1274 | SW1200 | 29780-29789 | 2/1965 | |
| MP 1275-1279 | SW1200 | 31233-31237 | 2-*/1966 | sublettered T&P |
| MP 1280-1289 | SW1200 | 31110-31119 | 3/1966 | sublettered T&P |
| MP 1290-1299 | SW1200 | 31238-31247 | 3/1966 | sublettered T&P |
| NH 640-649 | SW1200 | 21165-21174 | 1-2/1956 | |
| NH 650-659 | SW1200 | 21473-21482 | 2-3/1956 | |
| NOPB 71-72 | SW1200 | 24063-24064 | 9/1957 | New Orleans Public Belt |
| NP 119-126 | SW1200 | 20328-20335 | 3/1955 | |
| NP 127-129 | SW1200 | 20320-20322 | 7-8/1955 | |
| NP 130 | SW1200 | 21019 | 1/1956 | |
| NP 131-132 | SW1200 | 21102-21103 | 4/1956 | |
| NP 133-134 | SW1200 | 21100-21101 | 4/1956 | |
| NP 135-141 | SW1200 | 21175-21181 | 6-7/1956 | |
| NP 142-144 | SW1200 | 21433-21435 | 7/1956 | |
| NP 145 | SW1200 | 22089 | 7/1956 | |
| NP 146-150 | SW1200 | 22748-22752 | 2/1957 | |
| NP 151-162 | SW1200 | 22753-22764 | 6-7/1957 | |
| NP 163-177 | SW1200 | 24027-24041 | 12/1957-1/1958 | |
| NPBL 101-105 | SW1200 | 21021-21025 | 12/1955-1/1956 | Norfolk & Portsmouth Belt Line |
| NPBL 106-115 | SW1200 | 21056-21065 | 3 & 6/1956 | Norfolk & Portsmouth Belt Line |
| (OLIRMC) 940 | SW1200 | 19531 | 8/1954 | Oliver Iron Mining Company |
| (OLIRMC) 941-942 | SW1200 | 19534-19535 | 8/1954 | Oliver Iron Mining Company |
| (OLIRMC) 943 | SW1200 | 19537 | 8/1954 | Oliver Iron Mining Company |
| (OLIRMC) 944-945 | SW1200 | 19539-19540 | 8/1954 | Oliver Iron Mining Company |
| (OLIRMC) 946-947 | SW1200 | 23783 & 23782 | 8/1957 | Oliver Iron Mining Company |
| (OLIRMC) 948 | SW1200 | 23785 | 8/1957 | Oliver Iron Mining Company |
| (PACPAL) 10 | SW1200 | 30021 | 1/1965 | Pacific Power & Light |
| PBNE 39 | SW1200 | 21736 | 6/1956 | Philadelphia, Bethlehem and New England |
| PBNE 40-41 | SW1200 | 22903-22904 | 1/1957 | Philadelphia, Bethlehem and New England |
| PBNE 42-43 | SW1200 | 23266-23267 | 1/1957 | Philadelphia, Bethlehem and New England |
| P&BR 125-126 | SW1200 | 21242-21243 | 4/1956 | Patapsco & Back Rivers |
| P&BR 127-129 | SW1200 | 22081-22083 | 9-10/1956 | Patapsco & Back Rivers |
| P&BR 130-134 | SW1200 | 22268-22272 | 1 & 4/1957 | Patapsco & Back Rivers |
| P&PU 500 | SW1200 | 30307 | 5/1965 | Peoria & Pekin Union |
| PRR 7900-7925 | SW1200 | 24132-24157 | 11-12/1957 | |
| PRR 7926-7934 | SW1200 | 24158-24166 | 4/1958 | |
| RDG 2715-2719 | SW1200 | 28412-28416 | 11/1963 | |
| RF&P 81-83 | SW1200 | 30513-30515 | 8/1965 | |
| RF&P 84-85 | SW1200 | 30511-30512 | 7/1965 | |
| RI 920-928 | SW1200 | 30638-30646 | 9-10/1965 | |
| RI 929-936 | SW1200 | 30743-30750 | 10/1965 | |
| RSCX 362 | SW1200 | 25718 | 12/1959 | Republic Steel Corp. |
| RSCX 895 | SW1200 | 21818 | 9/1956 | Republic Steel Corp. |
| RSMX 1212 | SW1200 | 27823 | 12/1962 | Reserve Mining |
| RSS 8-9 | SW1200 | 20702-20703 | 10/1955 | Rockdale, Sandow & Southern |
| RT 63 | SW1200 | 25442 | 5/1959 | River Terminal Railway |
| RT 64 | SW1200 | 25449 | 5/1959 | River Terminal Railway |
| SAN 200 | SW1200 | 29888 | 12/1964 | Sandersville |
| SH 44 | SW1200 | 22084 | 9/1956 | Steelton & Highspire |
| SOO 321 | SW1200 | 19538 | 12/1954 | |
| SOO 322-324 | SW1200 | 19541-19543 | 12/1954 | |
| SOO 325-327 | SW1200 | 20108-20110 | 1/1955 | |
| SOO 328 | SW1200 | 20182 | 1/1955 | |
| SOO 2120-2122 | SW1200 | 19085-19087 | 1/1955 | |
| SOO 2123-2127 | SW1200 | 20115-20119 | 1/1955 | |
| SP 1597-1606 | SW1200 | 29638-29647 | 12/1964-2/1965 | |
| SP 1607-1623 | SW1200 | 30239-30255 | 5-11/1965 | |
| SSTX 1200-1201 | SW1200 | 20634-20635 | 4-5/1956 | Schnitzer Steel |
| SSW 1062-1069 | SW1200 | 28895-28902 | 1-2/1964 | |
| SSW 1070-1073 | SW1200 | 29634-29637 | 12/1964-1/1965 | |
| SSW 2289-2293 | SW1200 | 31570-31574 | 1-4/1966 | |
| T&NO 113-118 | SW1200 | 19486-19491 | 2/1954 | |
| T&NO 123-128 | SW1200 | 22906-22911 | 2-3/1957 | |
| TOV 100 | SW1200 | 20640 | 5/1955 | Tooele Valley Railway |
| TRRA 1219-1226 | SW1200 | 20656-20663 | 7-10/1955 | Terminal Railroad Association of St. Louis |
| TRRA 1227-1233 | SW1200 | 29440-29446 | 6-8/1964 | Terminal Railroad Association of St. Louis |
| TRRA 1234-1243 | SW1200 | 30004-30013 | 4-5/1965 | Terminal Railroad Association of St. Louis |
| USSX SX1-SX2 | SW1200 | 23770-23771 | 8/1957 | United States Steel/US Steel |
| WAB 375-378 | SW1200 | 18877-18880 | 1/1954 | |
| WAB 379 | SW1200 | 23297 | 1/1957 | |
| (WHLSTL) 1250 | SW1200 | 20364 | 5/1955 | Wheeling Steel |
| (WHLSTL) 1254 | SW1200 | 19536 | 10/1954 | Wheeling Steel |
| (WHLSTL) 1255-1257 | SW1200 | 20365-20367 | 5/1955 | Wheeling Steel |
| (WHLSTL) 1258-1259 | SW1200 | 20368-20369 | 5/1955 | Wheeling Steel |
| (WOODIR) 52 | SW1200 | 20632 | 8/1955 | Woodward Iron |
| WTCX 304 | SW1200 | 20354 | 2/1955 | Weyerhauser Timber Co. |
| WVN 52 | SW1200 | 26033 | 8/1960 | West Virginia Northern |
GMD Orders:
| (CANFOR) 301-302 | SW1200 | A380-A381 | 3/1956 | Canfor |
| (CANFOR) 303 | SW1200 | A1715 | 4/1959 | Canfor |
| CN 1227-1247 | SW1200RS | A854-A874 | 5-9/1956 | |
| CN 1248-1268 | SW1200RS | A1020-A1040 | 11/1956-3/1957 | |
| CN 1271-1288 | SW1200RS | A1167-A1184 | 8-11/1957 | |
| CN 1289-1304 | SW1200RS | A1358-A1373 | 1-5/1958 | |
| CN 1305-1337 | SW1200RS | A1542-A1574 | 7-12/1958 | |
| CN 1338-1357 | SW1200RS | A1788-A1807 | 5-7/1959 | |
| CN 1358-1397 | SW1200RS | A1843-A1882 | 4-8/1960 | |
| CN 1575-1592 | SW1200RS | A745-A762 | 2-5/1956 | |
| CN 1593-1594 | SW1200RS | A740-A741 | 9/1955 | |
| CN 1595-1597 | SW1200RS | A742-A744 | 2/1956 | |
| CN 7020-7030 | SW1200 | A875-A884 | 9-10/1956 | |
| CN 7031-7033 | SW1200 | A1041-A1043 | 1/1957 | |
| CN 7034-7035 | SW1200 | A1809-A1810 | 7/1959 | |
| CP 8100-8130 | SW1200RS | A1480-A1510 | 6-10/1958 | |
| CP 8131-8146 | SW1200RS | A1731-A1746 | 4-5/1959 | |
| CP 8147-8171 | SW1200RS | A1893-A1917 | 7-9/1960 | |
| (DOFASCO) 14 | SW1200 | A2047 | 6/1964 | Dominion Foundries and Steel Co. |
| ETL 105 | SW1200 | A949 | 3/1956 | Essex Terminal Railway |
| (QUITIT) 5 | SW1200 | A1913 | 5/1961 | Quebec Iron & Titanium - Romaine River Railway |
| RS 23 | SW1200 | A976 | 11/1956 | Roberval and Saguenay Railway |
Export Orders:
| (AMAPA) 1-3 | SW1200 | 20007-20010 | 1/1955 | Amapa - Brazil |
| (AMAPA) 4 | SW1200 | 31838 | 5/1966 | Amapa - Brazil |
| (CHILEEX) 911 | SW1200 | 23119 | 2/1957 | Chile Exploration - Chile |
| (CHILEEX) 912-913 | SW1200 | 23939-23940 | 9/1957 | Chile Exploration - Chile |
| (CHILEEX) 914 | SW1200 | 25155 | 4/1959 | Chile Exploration - Chile |
| (CHILEEX) 915 | SW1200 | 25357 | 7/1959 | Chile Exploration - Chile |
| (CHILEEX) 916-917 | SW1200 | 25629-25630 | 11/1959-2/1960 | Chile Exploration - Chile |
| (CHILEEX) 918-919 | SW1200 | 26652-26653 | 8/1961 | Chile Exploration - Chile |
| (CHILEEX) 920-923 | SW1200 | 26769-26772 | 9/1961 | Chile Exploration - Chile |
| (CHILEEX) 924-929 | SW1200 | 27456-27461 | 7-8/1962 | Chile Exploration - Chile |
| (CHILEEX) 930-935 | SW1200 | 28255-28260 | 6/1963 | Chile Exploration - Chile |
| (PANCANL) 661-663 | SW1200 | 27111-27113 | 7-9/1962 | Panama Canal - Panama |