Equipped Box Car, Inside Length: 49' to 59', Sliding door, opening between 9 and 11 feet
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".
ex-SCL 23566 Blt 11-71
CSXT 124834 is seen at Elsmere, DE. Car is ex SCL 23566 and was built 11-71.
Lots of these boxcars roaming around up here.