Locomotive built by General Electric In 1960s Operated By State Railway Of Thailand Click Love and star Use With Credit The State Railway of Thailand purchased 50 units of a meter gauge version of the UM12C. Unlike the Philippine version, it features a dual cab layout with a cab forward design. As of 2015, 45 units remain in service with the SRT. By Wikipedia
Wikipedia link https://en.wikipedia.org/wiki/GE_UM12C if you're a thai scratcher then go to thai translation https://th.wikipedia.org/wiki/%E0%B8%88%E0%B8%B5%E0%B8%AD%E0%B8%B5_(%E0%B8%A3%E0%B8%96%E0%B8%88%E0%B8%B1%E0%B8%81%E0%B8%A3)