Articulated lightweight piggyback railcar

Abstract From the Canadian patent

An articulated railcar for transportation of highway trailers is lightweight and has a deck height which permits heavy highway trailers to be carried without exceeding the maximum allowable center of gravity height above the top of the rail. The railcar comprises a plurality of car bodies positioned end to end with articulated connections therebetween, each car body having a skeleton structure with a depressed center sill extending centrally for the length of the car body the, center sill having goose neck projections at each end with the ends of the center sill at a higher elevation than the remainder of the center sill, end sills at each end of the center sill extending perpendicularly …