Pushers SD-40 #6345 & SD-45 #6177 drifting westbound at Benny Curve, heading back to Altoona to push another freight up the grade. In the distance is Bennington Interlocking. August 31, 1977. This place was a nice area for photography in those days.
EMD SD40; Built ad PRR #6092; Serial number 31337; Order number 7862; Built March 1966