Although being run for a unwheeling cycle, it could not be put into production for the significant change on the traction power policy of the nation.
该车曾经过一个架修期的运用考核，但由于国家牵引动力政策发生重大变化，未能投入生产。
2
Thus, the target is basically reached that the locomotive can run without replacement of the oil damper between two unwheeling repairs (at least 200 thousand kilometers running).