The Pacific Harbor Line rosters twenty-four engines, all low-emission diesel-electrics. In this view of the Pier A Yard enginehouse can be seen MP20C-3 66, a string of four/fifths of the roads 3GS21B units (with 30 on the near end), 3GS21C 80 in the enginehouse (half their fleet of 3GS21C diesels) and Progress Rail Services 2006, a leased PR22B, on the far right. Photographed on railroad property with permission.