After Liberation, they all remained in the South, where they were operated by the Korean National Railroad; none were preserved.
[1] The structure and interior of the diesel railcars was similar to the gasoline-powered Keha railcars, but they were more streamlined at both ends, and were powered by a German Motoren Werke Mannheim SS17S 110 hp (82 kW) diesel engine with cylinders of 127 mm (5.0 in) bore; the pistons were made of light alloy, and the cylinder head was cast iron.
[1] The diesel railcars, producing much less smoke than the gasoline-powered ones, were well received by the public and became quite popular.
Therefore, the engines were modified to use other fuels such as alcohol and benzene; experiments were conducted with wood gas, as well.
[1] Both railcars survived the Pacific War, remaining in the South after the partition of Korea, where they were operated by the Korean National Railroad until the early 1960s,[1] when they were replaced by the DC-class diesel-hydraulic railcars built by Niigata Sharyō, Kinki Sharyō and Kawasaki.