KumagawaThe Kumagawa is a limited express train service in Japan operated by Kyushu Railway Company, which runs between and.Rolling stockPresent KiHa 185 series DMU: 1992-PresentPast KiHa 58/65 DMUHistoryThe Kumagawa was first introduced from 1 April 1959 as a semi-express service between and. From 5 March 1966, the train was upgraded to become an express service.