This is a 20m class steel passenger car that appeared in 1929 to 1944 (1929), taking over the body dimensions and underframe structure of the wooden passenger car and converting it to steel, and drawing a line that distinguishes it from the previous passenger car. It is a vehicle of You can enjoy the organization organized by Suha 32 only, and miscellaneous arrangements such as Suha 43, Oh 37, Oh 61, and other old-style passenger cars combined with other types of passenger cars.