The Athearn HO Southern Pacific SP Maintenance Bunk Car #3107 is a ready-to-go, pre-built model train box car designed for model railroads using a two-rail system. This plastic car features the iconic oxide red color of the Southern Pacific railroad, making it a perfect addition to any transportation-themed layout. With a scale of 1:87 and a C-7 Excellent grade, this HO gauge car is sure to enhance the realism and detail of your model railroad scene. T33