| Canadian National FPA2 diagram, indicating that number 6758 was former 6751, which was renumbered from the as-delivered number 6706 (c/n 79197) built by MLW in March 1955. In 1958 it was upgraded to FPA2u by exchanging the original Model 244 prime mover for a Model 251B prime mover. Also upgraded was FPA2 6755, delivered as 6711, the upgraded locomotive was renumbered to 6759. Two FPB-2's were also upgraded in the same manner: #6807, renumbered to 6851, became FPB-2u 6859, and #6811, renumbered to 6855, became FPB-2u 6858. No guarantees on this information, which comes from several sources and some of it conflicted. |