The last two surviving Lima built 2-8-4 Berkshire locomotives, the Nickle Plate 765 and the Pere Marquette 1225. Berks were built as fast frieght engines with a top speed of around 90 miles per hour. These days the mostly run excursions. The two have double headed several times.
https://www.youtube.com/watch?v=h4bH6MFzcqI