 They were intended for main line freight and passenger traffic.Rail companies using the G26 locomotives in the past or present include Australian Railroad Group, Freight Australia, Croatian Railways, Slovenian Railways, Serbian Railways, PT Kereta Api in Indonesia, Islamic Republic of Iran Railways, Israel Railways, Korail, ONCF in Morocco, MTR Corporation, and others.The Victorian Railways purchased 24 G26C locomotives built in Australia by Clyde Engineering, called the X class.