With only two working units due to the middle unit being non-compliant, 23K is in the 8th notch, losing speed and struggling to conquer Wachusett Hill. They would ultimately prevail over gravity doing its best against them.

Photographed by Alan E. Marshall, February 17, 2018.
Added to the photo archive by Alan Marshall, February 17, 2018.
Railroad: Pan Am Southern.

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