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This video title is "kasoku sugee," an ASCII face, and then another "sugeeee." I'll translate it as "awesome acceleration." This is DE10-1691 in an out-of-service move from Sapporo to Naebo on August 19, 2021. Built by Nippon Sharyo, it was delivered to Obihiro Depot on February 13, 1975. It has been in Hokkaido throughout its life. Assigned to Kushiro Depot on April 1, 1987 for its first day on the JR Hokkaido roster, it was subsequently based at Hakodate, and at Asahikawa as of April 1, 2021. 1691 is part of the 1500 subseries which included 265 locomotives, numbers 1501 through 1765. The teamde10 link below lists a few interesting points in its history. At 8:06 AM on January 15, 1993, the Kushiro Oki earthquake occurred, which derailed it within the Kushiro diesel shop. Snow plows, brake and sand equipment, and stabilizer bushings were damaged. It was put back on temporary rails a few days later. On March 14, 2016, it powered the last track inspection on the Esashi Line before the line's transfer to the third sector South Hokkaido Railway Company. Its radiator fan, at the end of the long hood, has Naebo's three-leaf ornament. Obviously the main point of interest here is the acceleration and engine rpm. A Yahoo chiebukuro post puts its maximum acceleration at 2.89km/h/s on the level. All DE10s have the DML61Z engine, a 61 liter V-12. From the 1000 subseries on, they have the B variant, good for 1350 horsepower at 1550 rpm. I haven't read whether or not the engine control system will take it over that. If that's 1550 rpm in the video, I'd say it's fast enough 🙂 http://teamde10.fem.jp/rireki/de101600/de101691.html https://en.wikipedia.org/wiki/JNR_Class_DE10