Southern Railway 40 Standard Box Car Single Door Without Roofwalk #503564This 40’ XM Class boxcar with Bettendorf trucks was built in the late 1940s and rebuilt in the mid-1950s. It was repainted and serviced in the late 1970s. Southern Railway was a Class 1 railroad that operated over 6,000 miles of track across the southern United States from 1894-1982.