Southern Pacific Rolling Stock Photographic Roster
Reporting Marks: SP
AAR Class:
XP: Boxcar similar in design to "XM", but which is specially equipped, designed, and/or structurally suitable for a specific commodity loading; except, boxcars (XF, XM, XMI) dedicated to the transportation of commodities in paragraph A, Rule 97, AAR Interchange Rules, must be designated "XP".
AAR Type:
A406
Detail Info:
Equipped Box Car, Inside Length: 49' to 59', cushion draft gear/underframe, Plug door, opening greater than 11 feet
