The Chosen Gyeongnam Railway, a privately owned railway in the southwestern part of colonial-era Korea, received at least eleven 2-6-2T tank locomotive built by H.K. Porter, Inc. of the United States in 1921,[1] which it numbered 201 through at least 211. After the Liberation and partition of Korea, all railways in South Korea were nationalised, and these locomotives were taken up by the new Korean National Railroad, which designated the class 푸러7-200 (Pureo7-200) class and numbered the locomotives 푸러7-201 though at least 푸러7-211.[1]