The China Railways RM () type steam locomotive was a type of "Pacific" mainline general purpose type steam locomotives. They were built from 1958âÂÂ1966 with a total of 258 built they were numbered 1001âÂÂ1258. The locomotives pulled both passengers and freight trains all over the Railway during the Maoist and Dengist Era but were later withdrawn and scrapped starting in the 1980s, with the last ones withdrawn between 1990 and 1999.
In the 2016 animated film ', the 2018 animated film Thomas & Friends: Big World! Big Adventures! and Thomas & Friends Series 22, 23 and 24, a Chinese character named Yong Bao is based on the RM Class Locomotive .