Lionel 6-6123 PRR Covered Hopper FARR #5 series
This is a Lionel "O" model that was issued in1985 by Fundimensions, Mount Clemens, Michigan. It has diecast metal sprung trucks and a removable cover. It was part of Lionel FARR Series 5.
Per member KOOLJOCK1 this model is based on earlier post-war tooling.
As shown the model includes simulated "brake gear" details at both ends.