IF YOU RECALL the 1970s TV comedy Welcome Back Kotter, one of the more eccentric characters, Arnold Horshack, had a unique way of signaling his excitement. He would get nervous and shout something that sounded like “Uho uho, uho uho.” Well, that happens to me when I see an SD40 or SD40-2s. Forget your 21st-century […]
Atlas O O gauge EMD SD40 diesel
