Caboose SLSF 1137 A regular on trains No 58 and No 59, caboose SLSF 1137 awaits some new glazing to replace the broken cupola window before its next call. Originally numbered SLSF 137, the renumbering of 137 is very evident in this photograph. Photographed on the caboose tract at 19th Street Yard, Kansas, City, MO.