SEK Class Θγ
SEK (Sidirodromoi Ellinikou Kratous, Hellenic State Railways) Class Θγ (or Class Thg; Theta-gamma) was a class of 2-8-0 steam locomotives ex-United States Army Transportation Corps S160 type. 27 locomotives were acquired in 1947; Θγ521–537 were coal burners, while Θγ551–560 were oil burners. In 1959, Italian Railways (Ferrovie dello Stato, FS) sold another 25, formerly Class 736, Nos 736.011/23/40/55/73/90/101/2/126/7/131/5/51/8/60/4/6/78/88/90/9/203/7/9/17 to SEK. These were renumbered Θγ571-95 in the same order.
Stock list
| SEK No. | Former USATC No. | Former FS No. | Builder | Date Built | Works No. |
|---|---|---|---|---|---|
| Θγ521 | 2050 | - | ALCo | 1943 | 70532 |
| Θγ522 | 2112 | - | ALCo | 1943 | 70594 |
| Θγ523 | 2127 | - | ALCo | 1943 | 70609 |
| Θγ524 | 2154 | - | Lima | 1943 | 8160 |
| Θγ525 | 2206 | - | Lima | 1943 | 8212 |
| Θγ526 | 2428 | - | ALCo | 1943 | 70777 |
| Θγ527 | 2443 | - | ALCo | 1943 | 70792 |
| Θγ528 | 2229 | - | Lima | 1943 | 8235 |
| Θγ529 | 2456 | - | ALCo | 1943 | 70805 |
| Θγ530 | 2573 | - | Lima | 1943 | 8275 |
| Θγ531 | 3398 | - | Baldwin | 1944 | 70355 |
| Θγ532 | 3524 | - | Baldwin | 1944 | 70481 |
| Θγ533 | 1781 | - | Baldwin | 1942 | 67615 |
| Θγ534 | 2166 | - | Lima | 1943 | 8172 |
| Θγ535 | 2226 | - | Lima | 1943 | 8232 |
| Θγ536 | 2365 | - | Baldwin | 1943 | 69622 |
| Θγ537 | 2537 | - | Lima | 1943 | 8354 |
| Θγ551 | 3338 | - | ALCo | 1944 | 71593 |
| Θγ552 | 3352 | - | ALCo | 1944 | 71607 |
| Θγ553 | 3364 | - | ALCo | 1944 | 71619 |
| Θγ554 | 3374 | - | ALCo | 1944 | 71629 |
| Θγ555 | 3375 | - | ALCo | 1944 | 71630 |
| Θγ556 | 3327 | - | ALCo | 1944 | 71582 |
| Θγ557 | 3347 | - | ALCo | 1944 | 71602 |
| Θγ558 | 3357 | - | ALCo | 1944 | 71612 |
| Θγ559 | 3360 | - | ALCo | 1944 | 71615 |
| Θγ560 | 3372 | - | ALCo | 1944 | 71627 |
| Θγ571 | 1740 | 736.011 | Baldwin | 1942 | 67574 |
| Θγ572 | 1785 | 736.023 | Baldwin | 1942 | 67619 |
| Θγ573 | 2070 | 736.040 | ALCo | 1943 | 70552 |
| Θγ574 | 2746 | 736.055 | Baldwin | 1943 | 70009 |
| Θγ575 | 3278 | 736.073 | ALCo | 1944 | 71533 |
| Θγ576 | 3299 | 736.090 | ALCo | 1944 | 71554 |
| Θγ577 | 3310 | 736.101 | ALCo | 1944 | 71565 |
| Θγ578 | 3311 | 736.102 | ALCo | 1944 | 71566 |
| Θγ579 | 3348 | 736.126 | ALCo | 1944 | 71603 |
| Θγ580 | 3350 | 736.127 | ALCo | 1944 | 71605 |
| Θγ581 | 3383 | 736.131 | Baldwin | 1944 | 70340 |
| Θγ582 | 3387 | 736.135 | Baldwin | 1944 | 70344 |
| Θγ583 | 3413 | 736.151 | Baldwin | 1944 | 70370 |
| Θγ584 | 3420 | 736.158 | Baldwin | 1944 | 70377 |
| Θγ585 | 3422 | 736.160 | Baldwin | 1944 | 70379 |
| Θγ586 | 3426 | 736.164 | Baldwin | 1944 | 70383 |
| Θγ587 | 3428 | 736.166 | Baldwin | 1944 | 70385 |
| Θγ588 | 3622 | 736.178 | Lima | 1944 | 8535 |
| Θγ589 | 3666 | 736.188 | Lima | 1944 | 8579 |
| Θγ590 | 3668 | 736.190 | Lima | 1944 | 8581 |
| Θγ591 | 3690 | 736.199 | Lima | 1944 | 8603 |
| Θγ592 | 3694 | 736.203 | Lima | 1944 | 8607 |
| Θγ593 | 3698 | 736.207 | Lima | 1944 | 8611 |
| Θγ594 | 4418 | 736.209 | ALCo | 1945 | 73410 |
| Θγ595 | 5740 | 736.217 | Lima | 1944 | 8678 |
A few still survive in scrapyard condition. Four in Salonika (Θγ 525, 535, 575 and one more) and one in Tithorea depot (Θγ 576).