In the late 1960s, Santa Fe's F-unit fleet was nearing the end of its lifespan. At the same time, Santa Fe was looking to fulfill a need for nearly 200 plus locomotives for use on secondary and branch lines. Santa Fe got creative in their thinking:...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...

In 1955 The Santa Fe Railroad introduced the RR-56 class of Refrigerated boxcars. Based on the previous RR-54 class of Boxcars, the RR-56 class incorporated lessons learned from the older series of cars to build & operate its 1st large fleet of...