912
Type index


Class 912 diesel hydraulic locomotives were remodeled from class DD13 diesel locomotives in order to use the track maintenance train or shunt vehicles the maintenance depots. Bogies were changed into DT8000 for the standard gauge although the original body, original traction engines, and original hydraulic transmission gears were just used. Class 912 diesel locomotives use automatic coupler and tight lock coupler together. The picture shows -60 sub-class, which double-header cooperative operation is available, to rescue the train stood in the Shin-Kanmon undersea tunnel.
Technical Data
Items Data
Traction transmission Hydraulic
Service speed 70km/h
Max power 1,000PS
Length 13,600mm
Width 3,034mm
Total mass 57.5t
Axles location B0-B0
Bogie DT8000A
Engine DMF31SB(500PS/1500rpm)
Hydraulic transmission gear DS1.2/1.35
Designed by Japan National Railways