| Class D52 | |
| Powertype: | Steam |
| Whytetype: | 2-8-2 (1-D-1) Mikado |
| Operator: | JNR |
| Fleetnumbers: | D52 1-D52 152, D52 198-D52 238, D52 333-D52 384, D52 393-D52 423, D52 443-D52 468 |
| Retiredate: | 24 December 1972 |
| Disposition: | Seven preserved; remainder scrapped |
| Length: | 21,105 mm |
| Height: | 3982mm |
| Locoweight: | 85.13 t |
| Fueltype: | Coal |
| Builder: | JNR Kisha Seizo,Nippon Sharyo Kawasaki Heavy Industries Rolling Stock Company,Hitachi,Mitsubishi Heavy Industries |
| Builddate: | 1943-1946 |
| Totalproduction: | 285 |
| Valvegear: | Walschaerts |
| Maxspeed: | 850NaN0 |
| Tractiveeffort: | 190.1kN |
The Class D52 is a type of 2-8-2 steam locomotive built by the Japanese Government Railways (Now Japanese National 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.
Most of the D52s have been scrapped. However, seven locomotives have been preserved.