The Lionel Postwar O Gauge Union Pacific AA Diesel Locomotive #2023 is a vintage model train set manufactured in the United States in 1951. It is a replica of the Union Pacific railroad and features a three-rail system, analog control, and a painted yellow plastic and diecast body. It is designed for ages 17 and up and is part of the Lionel franchise.

Moves forward and backwards. No further testing was done. Visible signs of usage. ***SEE PICTURES FOR CONDITION*** ***NO BOX*** Track(s) in pic not included.