[4K] 보조기관차까지 연결! 경원선 연천 구간 화물열차 시운전

While the facility verification test run continues on the Yeoncheon section of the Gyeongwon Line, there was a test run of traction power in preparation for the operation of freight trains on June 8 and 9. It was a test to check the towing power of 13 and 18 freight cars loaded by Class 7500(GT26CW) and Class 8500 locomotives, respectively, and when diesel locomotives operated, Class 4400(GT18B-M) locomotives were connected to the rear as manned helper locomotives. It was a valuable opportunity to film the operation of an helper locomotive which was difficult to see in recent years.