The X51 classes of cars was composed of groups built new at the Sam Rea Shops, as well as 1000 cars rebuilt on old X32 and X33 frames.
Alco Based MT4 SlugAlco RS3mAshtabula OHClass 965BClass 968BClass CE16BClass H39Class X51NClass X73Cleveland OHColumbus OHEMD GP15-1EMD GP38EMD GP38-2EMD GP40EMD GP40-2EMD GP9EMD SD40EMD SD40-2EMD SD50EMD SW1500GE B23-7GE B40-8GE C36-7GE C39-8Miscellaneous MOW EquipmentN5 Class CabooseN7A Class CabooseN7B Class CabooseN8 Class CabooseTrack Cranes19821988
