Penn Central EMD GP 40 # 3016. Newark New Jersey. July 1975.

I found this historic mid 1970's era photograph from the former Penn Central Railroad at my link page Fallen Flags.Org, which is located to the right of your computer screen at www.rr-fallenflags.org Railfan photographer Karl Greffchen, photographed Penn Central EMD model GP 40 roadswitcher diesel electric locomotive # 3016, at a freight train yard in Newark New Jersey USA way back in July of 1975.