Southern Pacific Rolling Stock Photographic Roster
Reporting Marks: SP
AAR Class:
XM: Box car for general service equipped with side or side and end doors.
AAR Type:
B407
Detail Info:
Unequipped Box Car, Inside Length: 49' to 59', cushion draft gear/underframe, Sliding doors, inside width less than 9ft 6in, Door opening 15ft and over