The Class D52 is a type of 2-8-2 steam locomotive built by the Japanese Government Railways and various manufacturers: Kisha Seizo, Nippon Sharyo, Kawasaki Heavy Industries Rolling Stock Company, Hitachi, and Mitsubishi Heavy Industries from 1943 to 1946. The name consists of a "D" for the four sets of driving wheels and the class number 52 for tender locomotives that the numbers 50 through 99 were assigned to under the 1928 locomotive classification rule.