Keywords: southern pacific sp flatcar 89 piggyback intermodal cloakedghost bethlehem steel vehicle train railroad freight car outdoor railroad track locomotive sport SP 513770 is a Bethlehem Steel 89'4" flush deck piggyback flatcar built new for Southern Pacific in 1975. SP 513770 is a Bethlehem Steel 89'4" flush deck piggyback flatcar built new for Southern Pacific in 1975. |