The locomotives corresponded to the three-axis type of the prototype HR360 C12 up to details. Since besides the army now, in addition, Air Force and Navy were interested in this type, the designation was changed to WR360C12. 

   There are the following differences to the later WR360 C14: No multi-step-transmission; therefore only a maximum speed of45 km/h；Around350 mmshorter wheelbase and overall length, Total weight 36t；Axle load according 12 tons.