177006A HO PRR X23 Boxcar: PRR - Circle Keystone: Single Car #2These cars feature state of the art tooling with separate grabs, crisp and accurate details and correct PRR class 2D F1 arch bar and 2D F8 cast trucks with free rolling turned metal wheelsets, two unique door styles, both KD and AB brake components, as well as two distinct roof types, all as appropriate. In 1912 the Pennsylvania Railroad built its first 40 foot boxcar, the class X23. This single sheathed car design utilized Warren truss bracing and a