Union Pacific Railroad Company Rolling Stock Photographic Roster
Reporting Marks: UPNZ
AAR Class:
:
AAR Type:
Z131
Detail Info:
Trailers, Chassis (Refer to Second and Third Numeric under Chassis), 48 ft. and over Straight, outside length, O.S. Height 4'6" and under at locking plane, Tandem Width 96" or under
