Commercialized Waki 50000, which played an active part with 50000 between Tokyo and Kyushu. When the mainstay of the high-speed freight train between Tokyo and Kyushu is transferred from Koki 10000 series to Koki 50000 series by the schedule revision of October, 1978 (1978), as a cover car that can be operated concurrently with Koki 50000 series 50000 was born. It is a vehicle that has been remodeled based on Waki 10000, and has appeared one after another from 1977 (1977) to 55 (1980), and has been mainly active in small package transportation.
It is a modified car from Waki 50000 , Waki 10000 and a roof car with a prototype that is equipped with the TR 203 truck until around 1983 (1983). ・ We reproduce Tobi color 2 and silver paint color exactly. -Reproduce the leg equipped with TR203 truck. ・ The car numbers are "59014" and "59017" respectively. Affiliation notation "gate", standing station "Higashi Kokura station standing". Each notation printed. ・ Arnold coupler equipment.